I Specifications
I Preparation for Servicing
I Adjustment Procedures
I Schematic Diagrams
I CBA’s
19" COLOR TV/VCR COMBINATION
6319CD/EWC1903
Sec. 2: Deck Mechanism Section
I Standard Maintenance
I Alignment for Mechanism
I Disassembly/Assembly of Mechanism
Sec. 3: Exploded views
and Parts List Section
I Exploded views
I Parts List
Page 2
IMPORTANT SAFETY NOTICE
Proper service and repair is important to the safe, reliable operation of all
Funai Equipment. The service procedures recommended by Funai and
described in this service manual are effective methods of performing service
operations. Some of these service special tools should be used when and as
recommended.
It is important to note that this service manual contains various CAUTIONS
and NOTICES which should be carefully read in order to minimize the risk of
personal injury to service personnel. The possibilit y exists that improper service methods may damage the equipment. It also is important to understand
that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Funai could not
possibly know, eval uate and advice the service tra de of all conceivable ways
in which service might be done or of the possible hazardous consequences of
each way. Consequently, Funai has not undertaken any such broad evaluation. Accordingly , a servicer who uses a service pr ocedure or tool which is not
recommended by Funai must first use all precautions thoroughly so that neither his safety nor the safe operation of the equipment will be jeop ardized by
the service method selected.
Page 3
MAIN SECTION
19" COLOR TV/VCR COMBINATION
6319CD/EWC1903
Sec. 1: Main Section
I Specifications
I Preparation for Servicing
I Adjustment Procedures
I Schematic Diagrams
I CBA’s
All items are measured across 8Ω resistor at speaker output terminal.
DescriptionConditionUnitNominalLimit
1. Audio Output Power (Max.)(R/P)W1.00.8
2. Audio S/N (W/LPF)(R/P)dB4036
3. Audio Distortion (W/LPF)(R/P)%3.05. 0
4. Audio Freq. Response
(-10dB Ref. 1KHz)
Note: Nominal specific ations represent the design specificatio ns. All units should b e able to approxim ate these.
Some will exceed a nd so me may dro p slightl y below these spec ifica tions . Limit s pecific ations repre sent t he abs olute worst conditi on that still might be c onsidered acce ptable. In no case shoul d a unit fai l to meet li mit specific ations.
200Hz (R/P)
8kHz (R/P)
dB
dB
-2.0
0
-2.0 ± 5.0
0 ± 6.0
1-1-2T7300SP
Page 6
IMPORTANT SAFETY PRECAUTIONS
Prior to shipment from the factory , our pro ducts are strictl y insp ected for re cogni zed product safety and el ectric al
codes of the countries in which they are to be sold. Howev er, in order to ma intain such c ompliance, it is equally
important to implement the following precautions when a set is being serviced.
Safety Precautions for TV Circuit
1. Before returning an instrum ent t o the c ustom -
er, always make a safety check of the entire instru-
ment, including, but not limited to, the following
items:
a. Be sure that no bui lt-in prot ective devices a re de-
fective and have b een defeated during servicing.
(1) Protective shields are provided on this chassis
to protect both the technician an d the customer.
Correctly replace all missing protective shields, including any removed for servicing convenience.
(2) When reinstalli ng the c hassis an d/or othe r assembly in the cabinet, be sure to put back in place
all protective de vices, in cluding but not li mited to,
nonmetallic control knobs, insulating fishpapers,
adjustment and compartment cove rs/shields, and
isolation resistor/capacitor networks. Do not oper-
ate this instrument or permit it to be operated
without all protective devices correctly installed and functioning. Servicers who defeat
safety features or fail to perform safety checks
may be liable for any resulting damage.
b. Be sure that there are no cabinet openings through
which an adult or child might be able to insert their
fingers and contact a hazardous voltage. Such
openings include, but are n ot limited to , (1) spacing between the picture tube and the cabinet
mask, (2) excessively wide cabinet ventilation
slots, and (3) an improperly fitted and/or incorrectly
secured cabinet back cover.
c. Antenna Cold Check - With the instrument AC
plug removed from any AC source, connect an
electrical jumper acr oss the two AC plug prongs.
Place the instrument AC switch in the on position.
Connect one lead of an oh mmeter to the A C plug
prongs tied together and to uch the other ohmme ter lead in turn to each tuner antenna input exposed terminal screw and, if applicable, to the
coaxial connector. If the measured resistance is
less than 1.0 mego hm or greater than 5 .2 megohm, an abnormality exi sts that must be correct ed
before the instrum ent is retur ned to the c ustom er.
Repeat this test with the ins trument AC switch in
the off position.
d. Leakage Current Hot Check - With the instru-
ment completely reassembled, plug the AC line
cord directly into a 120V AC outlet. (Do not use an
isolation transformer d uring thi s test.) Use a leak-
age current tester or a me tering syst em that com plies with American National Standards Institute
(ANSI) C101.1 Leakage Current for Appliances
and Underwriters Laborat ories (UL) 1410, (50.7).
With the instrument AC switc h first in the on posi tion and then in the o ff position, measure from a
known earth ground (metal water pipe, conduit,
etc.) to all exposed me tal parts of the instrument
(antennas, handle brac kets, metal cabinet, screw
heads, metallic overlays, c ontrol shafts, etc.), especially any exposed metal parts that offer an electrical return path to the chassis. Any current
measured must not excee d 0.5 milli-ampere. Re verse the instrument power cord plug in the outlet
and repeat the test.
READING SHOULD
NOT BE ABOVE 0.5 mA
LEAKAGE
DEVICE
BEING
TESTED
TEST ALL EXPOSED
METAL SURFACES
ALSO TEST WITH
PLUG REVERSED
USING AC
ADAPTER PLUG
AS REQUIRED
CURRENT
TESTER
EARTH
GROUND
ANY MEASUREMENTS NOT WITHIN THE LIMITS
SPECIFIED HEREIN INDICATE A POTENTIAL
SHOCK HAZARD THAT MUST BE ELIMINATED
BEFORE RETURNING THE INSTRUMENT TO
THE CUSTOMER OR BEFORE CONNECTING
THE ANTENNA OR AC CES SORI ES.
e. X-Radiation and High Voltage Limits - Because
the picture tube i s the prim ary potentia l source of
X-radiatio n in solid- state TV receiver s, it is s pecially constructed to prohibit X-radiation emissions.
For continued X-radiation pr otection, the replacement picture tube must be the same type as the
original. Also, because the picture tube shields
and mounting hardware perform an X-radiation
protection function, they must be correctly in place.
High voltage must be mea su re d ea ch tim e s er vic -
1-2-1SFTY_2
Page 7
ing is performed that inv olves B+, horizontal deflection or high voltage. Correct operation of t he
X-radiation protection c ircu its a ls o m ust b e r ec on firmed each time they are serviced. (X-radiation
protection circuits also may be called "horiz ontal
disable" or "hold do wn.") R ead a nd a ppl y th e hi gh
voltage limits a nd, if the chassis is so e quipped,
the X-radiation protection circuit specifications given on instrument labe ls and i n the P roduct S afety
& X-Radiation Warning note on the service data
chassis schematic. High voltage is maintained
within specified limits by close tolerance safety-related components/adjus tme nts in th e hig h-vo lta ge
circuit. If high voltage exceeds specified limits,
check each component specified on the chassis
schematic and take corrective action.
2. Read and comply with all caution and safety-related notes on or inside th e receiver cabi net, on the
receiver chassis, or on the picture tube.
3. Design Alteration Warning - Do not alter or add
to the mechanical or electrical design of this TV receiver. Design alterations and additions, including,
but not limited to circuit modificatio ns and the addition of items such as auxiliary audio and/or video
output connections, mig ht alter the safety ch aracteristics of this receiver and create a hazard to the
user. Any design alter ations or addition s will void
the manufacturer's warr anty and may make you,
the servicer, responsible for personal injury or
property damage resulting therefrom.
4. Picture Tube Implosion Protection Warning -
The picture tube in this receiver employs integral
implosion protection. For continued implosion protection, replace the pic ture tube only with one of
the same type numbe r. Do not rem ove, install , or
otherwise handle the picture tube in any ma nner
without first putting on shatterproof goggles
equipped with side shields. People not so
equipped must be ke pt safely away while p icture
tubes are handled. Keep the picture tube away
from your body. Do not handl e the pictur e tu be b y
its neck. Some "in-line" picture tubes are equipped
with a permanently at tached deflection yoke ; because of potential hazard, do not try to remove
such "permanently attached" yokes from the picture tube.
5. Hot Chassis Warning -
a. Some TV receiver chassis are electrically connect-
ed directly to one conduc tor of th e AC powe r cor d
and maybe safety-serviced without an isolation
transformer only i f the AC power plug i s inserted
so that the chassis is connected to the ground side
of the AC power source. To confi rm that the AC
power plug is ins erted correctly, with an AC voltmeter, measure between the chassis and a known
earth ground. If a voltage reading in excess of 1.0V
is obtained, remove and reinsert the AC power
plug in the opposite polarity and again measure
the voltage potential between the chassis and a
known earth ground.
b. Some TV receiver chassis normally have 85V
AC(RMS) between ch assis and earth ground regardless of the AC plug polarity. This chassis can
be safety-serviced only with an isolation transformer inserted in the power line between the receiver
and the AC power so urce , for both pers onnel and
test equipment protection.
c. Some TV receiver chassis have a secondary
ground system in addition to the main chassis
ground. This se conda ry gro und s ystem is no t iso lated from the AC power line. The two ground systems are electrically separated by insulation
material that must not be defeated or altered.
6. Observe original lead dress. Take extra care to assure correct lead dres s in the following areas: a.
near sharp edge s, b. near thermal ly hot parts-be
sure that leads and components do not touch thermally hot parts, c. the AC su pply, d. high volta ge,
and e. antenna wiring. Alway s inspe ct in all ar eas
for pinched, out of plac e, or frayed wiring. C heck
AC power cord for damage.
7. Components, parts, and/or wiring that appear to
have overheated or are otherwise damaged
should be replaced with components, parts, or wiring that meet origin al specifications. Additiona lly,
determine the cause of ov erheating and/or damage and, if nece ss ar y, ta ke corre ct i ve ac ti o n to remove any potential safety hazard.
8. Product Safety Notice - Some electrical and mechanical parts have s pecia l safety- relat ed char acteristics which are often not evident from visual
inspection, nor can the protection they give necessarily be obtained by replaci ng them with components rated for higher voltage, wattage, etc.. Parts
that have special safety characteristics are identified by a ( # ) on schematics and in parts lists. Use
of a substitute replacement that does not have the
same safety characteristics as the recommended
replacement part might create sh ock, fire, and/or
other hazards. The Product's Safety is under review continuously and new instructions are issued
whenever appropriate . Prior to shi pment from the
factory, our products are strictly inspected to confirm with the recognized product safety and electrical codes of the countrie s in which they ar e to be
sold. However, in order to maintain such compliance, it is equal ly important to imp lement the following precautions when a set is being servic ed.
1-2-2SFTY_2
Page 8
Precautions during Servicing
A. Parts identified b y the ( # ) symbo l are c ritica l for
safety.
Replace only with part number specified.
B. In addition to safety, othe r parts and assemblies
are specified for conformance with regulations applying to spurious radiati on. These must also be
replaced only with specified replacements.
Examples: RF converters, RF cables, noise blocking capacitors, and noise blocking filters, etc.
C. Use specified internal wiring. Note especially:
1) Wires covered with PVC tubing
2) Double insulated wires
3) High voltage leads
D. Use specified insulating materials for hazardous
live parts. Note especially:
1) Insulation Tape
2) PVC tubing
3) Spacers
4) Insulators for transistors.
E. When replacing AC primary side components
(transformers, power cord, etc.), wrap ends of
wires securely abo ut the terminals before so ldering.
F. Observe that the wires do not contact heat produc-
ing parts (heatsinks, oxide metal film resistors, fusible resistor s, etc.)
G. Check that replaced wires do not contact sharp
edged or pointed parts.
H. When a power cord has been replaced, check that
5~6 kg of force in any direction will not loosen it.
I. Also check areas surrounding repaired locations.
J. Use care that foreign objects (screws, solder drop-
lets, etc.) do not remain inside the set.
K. Crimp type wire connector
When replacing the power transformer in sets
where the connections between the power cord
and power transformer primary lead wires are performed using crimp type connectors, in order to
prevent shock hazards, perform carefully and precisely the following steps.
Replacement procedure
1) Remove the old con nector by cutti ng the wires at
a point close to the connector.
Important: Do not re-use a connector (discard it).
2) Strip about 15 mm of the in su lation from the en ds
of the wires. If the wires are stranded, twist the
strands to avoid frayed conductors.
3) Align the lengths of the wires to be connected . Insert the wires fully into the connector.
4) Use the crimping too l to crimp the met al slee ve at
the center position . Be sure to crimp fully to the
complete closure of the tool.
L. When connecting or disconnecting the VCR con-
nectors, f irst, di sconnec t the AC plug fr om AC supply socket.
1-2-3SFTY_2
Page 9
Safety Check after Servicing
Examine the area surrounding the repaired location
for damage or deterioration. Observe that screws,
parts and wires have been returned to original positions. Afterwards, perform th e fol lo wing tes ts and c on firm the specified values in orde r to verify comp liance
with safety standards.
1. Clearance Distance
When replacing primary circuit components, confirm
specified clearance d istance (d) a nd (d') betwee n soldered terminals, and between terminals and surrounding metallic parts. (See Fig. 1)
T able 1 : Ratings for selected area
Chassis or Secondary Conductor
Primary Circuit Terminals
dd'
AC Line VoltageRegion
110 to 130 V
Note: This table is unofficial and for reference only.
Be sure to confirm the precise values.
USA or
CANADA
Clearance
Distance (d) (d')
≥ 3.2 mm
(0.126 inches)
2. Leakage Current Test
Confirm the specified (or lower) leakage current between B (earth ground, power cor d plug prongs) and
externally exposed accessible parts (RF terminals, antenna terminals, vid eo and audio input a nd outp ut terminals, microphone jacks, earphone jacks, etc.).
Measuring Method : (Power ON)
Insert load Z between B (earth ground, power cord
plug prongs) and exposed accessible parts. Use an
AC voltmeter to measure across both terminals of
load Z. See Fig. 2 and following table.
Table 2 : Leakage current ratings for selected areas
Exposed Accessible Part
Z
One side of
B
Power Cord Plug Prongs
Fig. 1
AC Voltmeter
(High Impedance)
Fig. 2
AC Line VoltageRegionLoad ZLeakage Current (i)Earth Ground (B) to:
110 to 130 V
Note: This table is unofficial and for reference only. Be sure to confirm the precise values.
USA or
CANADA
0.15µF CAP . & 1.5 kΩ
RES. connected in
parallel
1-2-4SFTY_2
i≤0.5mA rms
Exposed accessible
parts
Page 10
STANDARD NOTES FOR SERVICING
Circuit Board Indications
1. The output pin of the 3 pin Regulator ICs is indicated as shown:
Top View
Out
2. For other ICs, pin 1 and every 5th pin is indica ted
as shown:
Pin 1
3. The 1st pin of every pin connector are indicated as
shown:
Pin 1
Input
In
Bottom View
5
10
How to Read the Values of the Rectangular Type Chip Components
Example:
(a) Resistor
473
= 473 = 47 [kΩ]
(b) Capacitor
= Not Shown
Caution:
Once chip parts (Resistors, Capacitors, Transistors,
etc.) are removed, they must not be reused. Always
use a new part.
Replacement Procedures for
(Top View)
(Top View)
Instructions for Connectors
1. When you conn ect or disconnect FFC cable (connector), be sure to disconnect the AC cord.
2. FFC ca ble (connector) should be inserted parallel
into the connector, not at an angle.
FFC Cable
Connector
CBA
* Be careful to avoid a short circuit.
[ CBA= Circuit Board Assembly ]
Leadless (Chip) Components
The Following Procedures are Recommended for the Replacement of the Leadless Components Used in this Unit.
1. Preparation for replacement
a. Soldering Iron
Use a pencil-type soldering iron (less than 30
watts).
b. Solder
Eutectic solder (Tin 63%, Lead 37%) is recommended.
c. Soldering time
Do not apply heat for more than 4 seconds.
d. Preheating
Leadless capacitor must be preheated before
installation. (130°C~150°C, for about two minutes.)
Notes:
a. Leadless components must not be reused after
removal.
b. Excessive mechanical stress and rubbing for the
component electrode must be avoided.
2. Removing the leadless component
Grasp the leadless component body with tweezers
and alternately apply heat to both electrodes. When
the solder on both electrodes has melted, remove
leadless component with a twisting motion.
1-3-1SFTY_5
Page 11
Notes:
S
a. Do not atte mpt to lift the component off the boar d
until the component is completely disconnected
from the board by the twisting action.
b. Take care not to break the copper foil on the
printed board
3. Installing the leadless component
a. Presolder the contact points of the circuit board.
b. Press th e part downward wi th tweezers and solde r
both electrodes as shown below.
Note:
Do not glue the replacement leadless component to
the circuit board.
Tweezers
Chip
oldering Iron
Soldering Iron
Tweezers
Solder
Soldering Iron
2. Th e Flat Pack-IC on the CBA is affixed with gl ue,
so be careful not to break or damage the foil of
each pin or solder l ands u nder the IC when removing it.
1. Removal
With Hot - Air Flat Pack - IC Desoldering Machine:
a. Prepare the Hot - Air Flat Pack - IC Desoldering
Machine, then apply hot air to Flat Pack - IC (about
5~6 seconds). (Fig. S-1-1)
b. Remove the Flat Pack- IC with tweezers while
applying the hot air.
With Soldering Iron:
a. Using desoldering braid, remove the solder from all
pins of the Flat Pack - IC. When you use solder flux
which is applied to all pins of the Flat Pack - IC, you
can remove it easily. (Fig. S-1-3)
b. Lift eac h lead of the F lat Pack - IC upward one by
one, using a sharp pin or wire to which sol der will
not adhere (iron wi re). When hea ting the pins, u se
a fine tip soldering iron or a hot air Desoldering
Machine. (Fig. S-1-4)
With Iron Wire:
a. Using desoldering braid, remove the solder from all
pins of the Flat Pack - IC. When you use solder flux
which is applied to all pins of the Flat Pack - IC, you
can remove it easily. (Fig. S-1-3)
b. Affix the wire to a workbench or solid mounting
point, as sh own in Fig. S-1-5.
c. Pull up on the wire as the solder melts so as to lift
the IC leads from the CBA contact pads, while
heating the pins using a fine tip soldering iron or
hot air blower.
Note:
When using a sold ering iron, care must be taken
to ensure that the Flat Pa ck - IC is not being held
by glue, or when it is removed from the CBA, it
may be damaged if force is used.
Presolder
How to Remove / Install Flat Pack IC
Caution:
1. Do not apply the hot air to the chip parts around the
Flat Pack-IC for over 6 seconds as damage may
occur to the chip parts. Put Masking Tape around
the Flat Pack-IC to protect other parts from damage. (Fig. S-1-2)
2. Installation
a. Using desoldering braid, remove the solder from
the foil of each pin of the Flat Pack - IC on the CBA,
so you can install a replacement Flat Pack - IC
more easily.
b. The "I" mark on the Flat Pack - IC indicates p in 1
(See Fig. S-1-6). Make s ure t his mar k matches the
1 on the CBA when positioning for installation.
Then pre - solder the four corners of the Flat PackIC (See Fig. S-1-7).
c. Solder all pins of the Flat Pack - IC. Make sure that
none of the pins have solder bridges.
1-3-2SFTY_5
Page 12
Hot Air Blower
Iron Wire
or
CBA
Masking
Tape
Tweezers
Flat Pack-IC
Fig. S-1-1
Hot-air
Flat Pack-IC
Desoldering
Machine
Flat Pack-IC
Fig. S-1-2
Desoldering Braid
To Solid
Mounting Point
Example :
Pin 1 of the Flat Pack-IC
is indicated by a " " mark.
Presolder
Soldering Iron
Fig. S-1-5
Fig. S-1-6
Soldering Iron
Fine Tip
Soldering Iron
Fig. S-1-3
Flat Pack-IC
CBA
Fig. S-1-7
Sharp
Pin
Fig. S-1-4
1-3-3SFTY_5
Page 13
Instructions for Handling
Semiconductors
Electrostatic breakdown of the semiconductors may
occur due to a pot ential difference ca used by electrostatic charge during unpacking or repair work.
Ground for Human Body
Be sure to wear a gr oundi ng ba nd (1MΩ) that is prop erly grounded to rem ov e a ny s tatic ele ctr ici ty tha t m ay
be charged on the body.
Ground for Work Bench
Be sure to place a conductive sheet or copper plate
with proper grounding (1MΩ) on the work bench or
other surface, where the semiconductors are to be
placed. Because the static electricity charge on the
clothing will not escape through the body grounding
band, be careful to avoid contacting semiconductors to
clothing.
<Incorrect>
<Correct>
1MΩ
CBA
Grounding Band
1MΩ
CBA
Conductive Sheet or
Copper Plate
1-3-4SFTY_5
Page 14
PREPARATION FOR SERVICING
)
How to Enter the Service Mode
Caution: 1
1. Optical sensors system are used for T ape Start and
End Sensor on this equipment. Read this page
carefully and prepare as described on this page
before starting to service ; otherwise, the unit may
operate unexpectedly.
Preparing: 1
1. Cover Q202 (START SENSOR) and Q201 (END
SENSOR) with Insulation Tape or enter the service
mode to activate Sensor Inhibition automatically.
Note: Avoid playing, rewinding or fast fo rwarding the
tape to its beginning o r end, because both Tape End
Sensors are not active.
How to Enter the Service Mode
1. Turn power on.
2. Use servic e remote control unit and press WAKEUP/SLEEP key. (See page1-7-1)
3. When e ntering the servic e mode, one of th e number (1, 2 or 4) will display at corners of the screen.
4. During the service mode, electrical adjustment
mode can be selected by remote con trol key. (Service remote control unit).
Details are as follows.
KeyAdjustment Mode
Picture adjustment mode: Press the
MENU button to change from BRT
(Bright), *CNT (Contrast), *CLR
MENU
0
1No need to use.
2
3No need to use.
4
5
(Color), *TNT(Tint) and *V-T. Press
CH UP/DOWN key to display Initial
Value. *Marked items are not necessary to adjust normally.
C-Trap and Y DL Time/Y SW LPF
adjustment mode: See adjustment
instructions page 1-7-2.
H adjustment mode: See adjustmentinstructions page 1-7-2.
Auto record mode: Perform recording
(15 Sec.)-->Stop-->Rewind (Zero
return) automatically.
Head switching point adjustment
mode: See adjustment instructions
page 1-7-5.
KeyAdjustment Mode
6No need to use.
Purity check mode: Shows Red,
7
8
9
Caution: 2
1. Th e deck mec hanism assem bly is mounte d on the
Main CBA directly, and SW211 (REC-SAFETY
SW) is mounted on the Main CBA. When deck
mechanism assembly is removed from the Main
CBA due to servici ng, this switch c an not be operated automatically.
Green, Blue or White cyclically on the
screen each time the “7” key is
pressed.
H. Shift adjustment mode: See adjustment instructions page 1-7-3.
V.size/V. shift adjustment: See adjustment instructions page 1-7-3.
Preparing: 2
1. To eject the tape, press the STOP/EJECT button
on the unit (or Remote Control).
2. Whe n yo u want to record during the Se rv ice m ode,
press the Rec button while depressing SW211
(REC-SAFETY SW) on the Main CBA.
Q201
(END SENSOR)
SW211
(REC-SAFETY SW)
Q202
(START SENSOR
MAIN CBA
1-4-1T5401PFS
Page 15
N
•
-
X
Y
n
e
-
AUDIO
EARPHONE
VIDEO
STOP/EJECT
REW
PLAY
F.FWD REC/OTRCHANNEL
VOLUME
POWER
1923 45 6 7 81310111412
POWER
WAKE-UP
/SLEEP
123
456
789
+100
0
EJECT
CHANNEL
RETURN
REW
PLAY
STOP
F.FWD
GAME
RECORD
PAUSE/STILL
SPEED
TIME SEARCH
CHANNEL
T-PROG.
CLEAR
COUNTER
RESET
DISPLAYMUTE
MENU
VOLUME
3
15
5
7
16
8
11
18
19
20
7
24
4
10
9
22
21
23
17
25
[ 6319CD3 ]
This manual covers 13" and 19". The operation of the two models are exactly the same except
the appearance. 19" model is illustrated in this manual.
OTE:
We do not recommend the use of universal remote controls. Not all of the functions may be controlled with
a universal remote control.
If you decide to use a universal remote control with this unit, please be aware that the code number given
may not operate this unit. In this case, please call the manufacturer of the universal remote control.
OPERATING CONTROLS AND FUNCTIONS
TV/VCR FRONT PANEL
VIDEO input jack– Connect to the video output
REMOTE CONTROL
1
jack of your video camera or another VCR.
AUDIO input jack– Connect to the audio output
2
jack of your audio equipment, video camera or
another VCR.
3
POWER button– Press to turn TV/VCR on and
off. Press to activate timer recording.
X
VOLUME
4
Y
/
buttons– Adjust the volume
level.
CHANNEL K / L buttons– Press to select the
5
desired channels for viewing or recording.
You may display the main menu on the TV scree
by pressing repeatedly this button on the
TV/VCR.
TRACKING function– Press to minimize video
‘noise’ (lines or dots on screen) during playback
mode.
Remote Sensor Window– Receives the infrared
6
signals from the remote control.
STOP button– Press to stop the tape motion.
7
EJECT button– Press in the Stop mode to remov
tape from TV/VCR.
button–
L
Press to select setting modes from the on screen
•
menu.
Press to enter digits when setting program.
•
(for example: setting clock or timer program)
1-5-1T7401IB
Page 16
-
REAR VIEW
ANT.
2726
1
1
1
1
1
1
n
-
r
l
c-
to
-
8 REW button– Press to rewind the tape, or to view
the picture rapidly in reverse during playback
mode. (Rewind Search)
s
button–
Press to select a mode from a particular menu.
•
(for example: LANGUAGE or USER’S SET UP)
PLAY button– Press to begin playback.
9
K button–
Press to select setting modes from the on screen
•
menu.
Press to enter digits when setting program.
•
(for example: setting clock or timer program)
0 F.FWD button– Press to rapidly advance the tape,
or to view the picture rapidly in forward during
playback mode. (Forward Search)
button–
B
When setting program (for example: setting clock
•
or timer program), press to determine your selection and proceed to the next step you want to
input.
Press to determine setting modes from on screen
•
menu.
Press to select a mode from a particular menu.
•
(for example: LANGUAGE or USER’S SET UP)
1 REC button– Press for manual recording.
OTR button– Activates One Touch Recording.
(only on the TV/VCR)
2 RECORD indicator– Flashes during recording.
Lights up in the Stand-by mode for Timer
Recording.
3 EARPHONE jack– Connects to earphones (not
supplied) for personal listening. The size of jack is
1/8” monaural (3.5mm).
4 Cassette compartment
5 Number buttons– Press to select desired channels
for viewing or recording. To select channels from
1 to 9, first press the 0 button and then 1 to 9.
+100 button– When selecting cable channels
which are higher than 99, press this button first,
then press the last two digits. (To select channel
125, first press the “+100” button then press “2”
and “5”).
MENU button– Press to display the main menu o
16
the TV screen.
DISPLAY button– Display the counter or the cur
17
rent channel number and current time on the TV
screen.
SPEED button– Press to choose the desired
18
recording speed:SP/SLP.
T-PROG. CLEAR button–
19
ting of timer program.
COUNTER RESET button– Press to reset counte
to 0:00:00.
GAME button– Sets the game mode and externa
20
input mode at the same time.
21
TIME SEARCH button– Press to activate Time
Search mode.
PAUSE/STILL button– Press to temporarily stop
22
the tape during the recording or to view a still pi
ture during playback.
MUTE button– Mutes the sound. Press it again
23
resume sound.
CHANNEL RETURN button– Press to go back to
24
the previously viewed channel. For example,
pressing this button once will change channel dis
play from 3 (present channel) to 10 (previously
viewed channel), and pressing it a second time
will return from 10 to 3.
25
WAKE UP/SLEEP button– Sets the Wake up or
Sleep Timer.
Power cord– Connect to a standard
26
(120V/60Hz).
ANT. terminal– Connect to an antenna or cable
27
system.
Press to cancel a set-
AC outlet
1-5-2T7401IB
Page 17
N
•
-
X
Y
n
R.
e
-
AUDIO
EARPHONE
VIDEO
STOP/EJECT
REW
PLAY
F.FWD REC/OTRCHANNEL
VOLUME
POWER
1923 45 6 7 81310111412
POWER
WAKE-UP
/SLEEP
123
456
789
+100
0
EJECT
CHANNEL
RETURN
REW
PLAY
STOP
F.FWD
GAME
RECORD
PAUSE/STILL
SPEED
TIME SEARCH
CHANNEL
T-PROG.
CLEAR
COUNTER
RESET
DISPLAYMUTE
MENU
VOLUME
3
15
5
7
16
8
11
18
19
20
7
24
4
10
9
22
21
23
17
25
[ EWC1903 ]
This manual covers 13" and 19". The operation of the two models are exactly the same except
the appearance. 19" model is illustrated in this manual.
OTE:
We do not recommend the use of universal remote controls. Not all of the functions may be controlled with
a universal remote control.
If you decide to use a universal remote control with this unit, please be aware that the code number given
may not operate this unit. In this case, please call the manufacturer of the universal remote control.
TV/VCR FRONT PANEL
REMOTE CONTROL
VIDEO input jack– Connect to the video output
1
jack of your video camera or another VCR.
AUDIO input jack– Connect to the audio output
2
jack of your audio equipment, video camera or
another VCR.
POWER button– Press to turn TV/VCR on and
3
off. Press to activate timer recording.
X
VOLUME
4
Y
/
buttons– Adjust the volume
level.
5
CHANNEL K / L buttons– Press to select the
desired channels for viewing or recording.
You may display the main menu on the TV scree
by pressing repeatedly this button on the TV/VC
TRACKING function– Press to minimize video
‘noise’ (lines or dots on screen) during playback
mode.
6
Remote Sensor Window– Receives the infrared
signals from the remote control.
STOP button– Press to stop the tape motion.
7
EJECT button– Press in the Stop mode to remov
tape from TV/VCR.
button–
L
Press to select setting modes from the on screen
•
menu.
Press to enter digits when setting program.
•
(for example: setting clock or timer program)
1-5-3T7401IB
Page 18
-
REAR VIEW
ANT.
2726
1
1
1
1
1
1
n
-
r
l
c-
to
-
8 REW button– Press to rewind the tape, or to view
the picture rapidly in reverse during playback
mode. (Rewind Search)
s
button–
Press to select a mode from a particular menu.
•
(for example: LANGUAGE or USER’S SET UP)
PLAY button– Press to begin playback.
9
K button–
Press to select setting modes from the on screen
•
menu.
Press to enter digits when setting program.
•
(for example: setting clock or timer program)
0 F.FWD button– Press to rapidly advance the tape,
or to view the picture rapidly in forward during
playback mode. (Forward Search)
button–
B
When setting program (for example: setting clock
•
or timer program), press to determine your selection and proceed to the next step you want to
input.
Press to determine setting modes from on screen
•
menu.
Press to select a mode from a particular menu.
•
(for example: LANGUAGE or USER’S SET UP)
1 REC button– Press for manual recording.
OTR button– Activates One Touch Recording.
(only on the TV/VCR)
2 RECORD indicator– Flashes during recording.
Lights up in the Stand-by mode for Timer
Recording.
3 EARPHONE jack– Connects to earphones (not
supplied) for personal listening. The size of jack is
1/8” monaural (3.5mm).
4 Cassette compartment
5 Number buttons– Press to select desired channels
for viewing or recording. To select channels from
1 to 9, first press the 0 button and then 1 to 9.
+100 button– When selecting cable channels
which are higher than 99, press this button first,
then press the last two digits. (To select channel
125, first press the “+100” button then press “2”
and “5”).
MENU button– Press to display the main menu o
16
the TV screen.
DISPLAY button– Display the counter or the cur
17
rent channel number and current time on the TV
screen.
SPEED button– Press to choose the desired
18
recording speed:SP/SLP.
T-PROG. CLEAR button–
19
ting of timer program.
COUNTER RESET button– Press to reset counte
to 0:00:00.
GAME button– Sets the game mode and externa
20
input mode at the same time.
21
TIME SEARCH button– Press to activate Time
Search mode.
PAUSE/STILL button– Press to temporarily stop
22
the tape during the recording or to view a still pi
ture during playback.
MUTE button– Mutes the sound. Press it again
23
resume sound.
CHANNEL RETURN button– Press to go back to
24
the previously viewed channel. For example,
pressing this button once will change channel dis
play from 3 (present channel) to 10 (previously
viewed channel), and pressing it a second time
will return from 10 to 3.
25
WAKE UP/SLEEP button– Sets the Wake up or
Sleep Timer.
Power cord– Connect to a standard
26
(120V/60Hz).
ANT. terminal– Connect to an antenna or cable
27
system.
Press to cancel a set-
AC outlet
1-5-4T7401IB
Page 19
CABINET DISASSEMBLY INSTRUCTIONS
1. Disassembly Flowchart
This flowchart indicates the disassembly s teps for the
cabinet parts and the CBA in order to gain acces s to
item(s) to be serv iced. W hen reasse mbling, f ollow the
steps in reverse order. Bend, route and dress the
cables as they were.
Caution !
When removing the CRT, be sure to discharge the
Anode Lead of the CRT with the CRT Ground Wire
before removing the Anode Cap.
[1] Rear Cabinet
[2] Tray Chassis
[3] Deck Unit
[4] Main CBA
[5] CRT
2. Disassembly Method
REMOVAL
ID/
LOC.
No.
[1]
[2]
PART
Rear
Cabinet
Tray
Chassis
REMOVE/
*UNHOOK/
Fig.
UNLOCK/RELEASE/
No.
UNPLUG/DESOLDER
1, 2 4(S-1), (S-2)1
Anode Cap, CN505,
3, 5
CRT CBA, CN601,
CN801, CN571
Note
2
(1): Order of s teps in Procedure . When reassem bling,
follow the steps in reverse order.These numbers
are also used as the Identifi ca tio n (loc ati on) No. of
parts in Figures.
(2): Parts to be removed or installed.
(3): Fig. No. showing Procedure of Part Location.
(4): Identification of part to be removed, unhooked,
unlocked, released, unplugged, unclamped, or
desoldered.
S=Screw, P=Spring, L=Locking Ta b, CN=Connec-
tor, *=Unhook, Unlock, Release, Unplug, or
Desolder
2(S-2) = two screws (S-2)
(5): Refer to the following Reference Notes in the
Table.
Reference Notes in the Table
1. Removal of the Rear Cabinet.
Remove screws 4(S-1) and (S-2).
Caution !
Discharge the Anode Lead of the CRT with the CRT
Ground Wire before removing the Anode Cap.
2. Removal of the Tray Chassis.
Discharge the Anode Lead of the CRT with the
CRT Ground Wire before removing the Anode Cap.
Disconnect the following: Anode Cap, CN505, CRT
CBA, CN601, CN571 and CN801. Then, pull the
Tray Chassis backward.
3. Removal of the Deck Unit.
Remove screws 7(S-3 ) and 2(S-4) . Then, desold er
connectors (CL201, CL40 1, CL 402 , CL 403) a nd li ft
up the Deck Unit.
4. Removal of the Main CBA.
Remove screws 6(S-5) and pull up the Main CBA.
5. Removal of the CRT.
Remove screw s 4( S-6 ) an d pu ll t he CRT backward.
7(S-3), 2(S-4),
[3]Deck Unit3, 5
[4]Main CBA3, 5 6(S-5)4
[5]CRT44(S-6)5
↓
(1)
↓
(2)
Desolder (CL201,
CL401, CL402,
CL403)
↓
(3)
↓
(4)
3
↓
(5)
1-6-1T7400DC
Page 20
S-1
-2
ANT.
S-1S-1
S-2
[1] REAR CABINET
S-1
Fig. 1
S-1
S
S-1
S-1
[1] REAR CABINET
Fig. 2
1-6-2T7400DC
Page 21
[2] TRAY CHASSI
S
S-3
[4] MAIN CBA
S-5
S-3
[3] DECK UNIT
S-3
S-5
S-5
S-5
S-4
S-4
S-5
Fig. 3
1-6-3T7400DC
Page 22
S-6
A
ANODE CAP
S-6
CRT CB
S-6
[5] CRT
S-6
Fig. 4
1-6-4T7400DC
Page 23
ANODE
CRT
GND
MAIN CBA
CN505
SCREEN
TO SPEAKER
CN801
CL401
CL501A
FOCUS
CL403
CL502A
CRT CBA
TO DEGAUSS
COIL
CL502B
CN601
AC CORD
FE HEAD
CL201
CYLINDER
ASSEMBLY
CL402
AC HEAD
ASSEMBLY
CN571
CL501B
CAPSTAN
MOTOR
DECK UNIT
Fig. 5
1-6-5T7400DC
Page 24
ELECTRICAL ADJUSTMENT INSTRUCTIONS
General Note:
"CBA" is abbreviation for "Circuit Board
Assembly."
NOTE:
Electrical adjustments are requir ed after replacing
circuit components and certain mechanical parts.
It is important to perform these adjustments only
after all repairs and replacements have been completed.
Also, do not attem pt thes e adj ustmen ts unles s the
proper equipment is available .
Test Equipment Required
1. NTSC Pa ttern Generator (Color Bar W/White Window, Red Color, Dot Pattern, Gray Scale, Monoscope, Multi-Burst)
2. AC Milli Voltmeter (RMS)
3. Alignment Tape (FL8A, FL8N), Blank Tape
4. DC Voltmeter
5. Oscilloscope: Dual-trace with 10:1 probe,
V-Range: 0.001~50V/Div,
F-Range: DC~AC-60MHz
6. Frequency Counter
7. Plastic Tip Driver
How to make service remote control
unit:
1. Prepare normal remote control unit. (Part No.
N0107UD) Remove 3 screws from the back lid.
(Fig. 1-1)
SCREW
How to Set up the Service mode:
Service Mode:
1. Use the service remote control unit.
2. Turn the power on.
3. Press "WAKE-UP/SLEEP" button on the service
remote control unit.
1. DC 114V (+B) Adjustment
Purpose: To obtain correct operation.
Symptom of Misadjustment: The picture is dark and
unit does not operate correctly.
Test pointAdj. PointModeInput
D613
Cathode
(+B)
C613(-)
(GND)
TapeM. EQ.Spec.
---
Note: D613 Cathode (+B), C613(-) (GND),
VR601 --- Main CBA
1. Connect the unit to AC Power Outlet.
2. Conne ct DC Volt Meter to D613 Cathode (+ B) and
C613(-) (GND).
3. Adj ust V R601 so that the vo ltage of D613 Cathode
(+B) becomes +114±0.5V DC.
VR601--------
DC Voltmeter
Plastic Tip Driver
+114±0.5V DC
2-1. H Adjustment
Remote control unit (Bottom)
2. Remote control unit: Part No. N0107UD
Add J1 (Jumper Wire) to the remote control CBA.
(Fig. 1-2)
J 1
J 1
Remote control CBA
Remote control CBA
Remote control unit: Part No. N0150UD
Cut off pin 10 of the remote con trol m ic ropr oces so r
and short circuit pins 10 and 17 of the microprocessor with a jumper wire
Fig. 1-1
Fig. 1-2
Fig. 1-2
Purpose: To get correct hor i zo nt a l po si t ion an d si ze of
screen image.
Symptom of Misadjustment: Horizontal position and
size of screen image may not be properly displayed.
Test pointAdj. PointModeInput
R583
TapeM. EQ.Spec.
---Frequency Counter 15.734kHz±300Hz
Note: R583 --- Main CBA
1. Connect Frequency Counter to R583.
2. Set the unit to the VIDEO mode and no input is
necessary. Enter the Service mode.
(See page 1-4-1.)
1-7-1T7400EA
CH o / p
buttons
Video---
Page 25
3. Operate the unit for at least 20 minutes.
"
b
)
4. Press "2" button on the remote control unit and
2-3. Y DL Time/Y SW LPF
Adjustment
select H-Adj M ode. (Press "2" button , then displa y
will change H-Adj and AGC.)
5. Press CH o / p but tons on the remote c ontro l unit
so that the display will change "0" to "7."
At this moment, choose di spla y "0" to " 7" when the
Frequency counter display is closest to
15.734kHz±300Hz.
6. Turn the power off and on again.
2-2. C-Trap Adjustment
Purpose: To get minimum le akage of t he color signal
carrier.
Symptom of Misadjustment: If C-Trap Adjustment is
incorrect, stripes will appear on the screen.
Purpose: To get minimum leakag e of the color signal
carrier.
Symptom of Misadjustment: If Y DL Time Adjustment is incorrect, stripes will appear on the screen.
1. Enter the Service Mode. (See page 1-4-1.)
2. Y DL Time Adjustment: Press "0" button on the
service remote c ontro l uni t twic e to s how "D-T " on
the display.
Y SW LPF Adjustment: Press "0" button on the
service remote control unit four times to show
"Y SW" on the display.
3. Y DL Time Adjustment: Select "2" by pressing
"CH o / p" butto ns on the service rem ote control
to enter Y DL Time Adjustment mode.
Test pointAdj. PointModeInput
Y SW LPF Adjustment: Select "1" by pressing
"CH o / p" butto ns on the service rem ote control
J271
(B-OUT)
CH o / p
buttons
---Color Bar
to enter Y SW LPF Adjustment mode.
4. If needed, perform the following.
TapeM. EQ.Spec.
C-TRAP Adjustment (Factory mode
0"
utton
C-TRP 0C-TRP 1
CH
button
---
Oscilloscope
Pattern Generator
---
Figure
CH
button
minimum
"0" button
Y DL Time Adj TV Adjustment
CH
D-T TV 0D-T TV 1
button
Fig. 2
CH
button
Note: J271 (B-Out)--- Main CBA
1. Connect Oscilloscope to J271.
2. Input a color bar signal from RF input.
Enter the Service mode. (See page 1-4-1.)
3. Press "0" button on the remote control unit and
"0" button
Y DL Time Adj EXT/PB Adjustment
CH
D-T EXT 0D-T EXT 1
button
select C-TRAP Mode.
4. Press "CH o / p" buttons on the remote control
CH
button
unit so that the carrier leakage B-Out (3.58MHz)
value becomes minimum on the oscilloscope.
5. Turn the power off and on again.
"0" button
Y SW LPF Adjustment
CH
Y SW
button
0Y SW1
CH
button
1-7-2T7400EA
Page 26
3. V. Size Adjustment
P
5. H. Shift Adjustment
Purpose: To obtain correct vertical height of screen
image.
Symptom of Misadjustment: If V. Size is incorrect,
vertical height of image on the screen may not be
properly displayed.
Test pointAdj. PointModeInput
---
TapeM. EQ.Spec.
---Pattern Generator90±5%
1. Enter the Service mode. (See page 1-4-1.)
Press "9" button on the remote control unit and
select V-S Mode. (Press "9" button then display will
change to V-P and V-S).
2. Input monoscope pattern.
3. Press "CH o / p" buttons on the remote control
unit so that the monoscope pattern is 90±5% of display size and the circle is round.
CH o / p
buttons
---Monoscope
4. V. Shift Adjustment
Purpose: To obtain correct vertical position of screen
image.
Symptom of Misadjustment: If V. position is incor-
rect, vertical positio n of image on the screen may not
be properly displayed.
Purpose: To obtain correct horizontal position and
size of screen image.
Symptom of Misadjustment: Horizontal position and
size of screen image may not be properly displayed.
Test pointAdj. PointModeInput
---
TapeM. EQ.Spec.
---Pattern Generator90±5%
1. Enter the Service mode. (See page 1-4-1.)
Press "8" button on the remote control unit and
select H-P Mode.
2. Input monoscope pattern.
3. Press "CH o / p" buttons on the remote control
unit so that the left and right side of the monoscope
pattern are equal to each other.
4. Turn the power off and on again.
CH o / p
buttons
---Monoscope
6. Cut-off Adjustment
Purpose: To adjust the beam cu rrent of R, G, B, and
screen voltage.
Symptom of Misadjustment: White color may be
reddish, greenish or bluish.
Test pointAdj. PointModeInput
Te st poi ntAdj. PointModeInput
---
TapeM. EQ.Spec.
---Pattern Generator90±5%
1. Enter the Service mode. (See page 1-4-1.)
Press "9" button on the remote control unit and
select V-P Mode. (Press "9" button then display will
change to V-P and V-S).
2. Input monoscope pattern.
3. Press "CH o / p" buttons on the remote control
unit so that the top and botto m of the monoscope
pattern are equal to each other.
CH o / p
buttons
---Monoscope
---Screen-ControlExt.
TapeM. EQ.Spec.
---Pattern Generator
Figure
ATTERN GENERATOR
EXT. INPUT
See Reference
Notes below
Black
Raster /
White
Raster
Fig. 3
1-7-3T7400EA
Page 27
Notes: Screen Control FBT --- MAIN CBA
W
ar
F.B.T= Fly Back Transformer
Use the Remote Control Unit
1. Degauss the CRT and allow CRT to operate f or 20
minutes before starting the alignment.
2. Set the sc reen control to minimum position. Input
the Black raster signal from RF input.
3. Enter the Service Mode. (See page 1-4-1.)
Dimmed horizontal line appears on the CRT.
4. Press the "VOL p" button.
(Press "VOL p" then display will change CUT OFF/
DRIVE, VCO adjustment, Analog OSD adjustment).
5. Choose CUT OFF/DRIVE Mode then press "1" button. This adjustment mode is CUT OFF (R).
6. Press the "CH o / p" button until the horizontal line
becomes white.
7. Choose CUT OFF/DRIVE mode then press "2" button. This adjustment mo de is CUT OFF (G). Pres s
"CH o / p" until the horizontal line becomes white.
8. Choose CUT OFF/DRIVE Mode then press "3" button. This adjustment mode is CUT OFF (B ). Press
"CH o / p" until the horizontal line becomes white.
9. Input the White Raster Signal from Video In.
10.Choose CUT OFF/DRIVE mode then press "4."
Adjust the RED DRIVE as needed with the "CH o /p" buttons to get the followin g value, X= 286, Y=
294.
11.Choose CUT OFF/DRIVE mode then press "5."
Adjust the BLUE DRIVE as needed with the "CH o
/ p" buttons to get the following value, X= 286.
12.Turn the power off and on again.
7. Sub-Brightness Adjustment
Purpose: To get proper brightness.
Symptom of Misadjustment: If Sub-Brightness is
incorrect, proper brightness cannot be obtained by
adjusting the Brightness Control.
Test pointAdj. PointModeInput
---
TapeM. EQ.Spec.
---
CH o / p
buttons
Pattern
Generator
Figure
---
hite
Note: SYMPTE Setup level --- 7 IRE
1. Enter the Service Mode. (See page 1-4-1.)
Then input SYMPTE signal from RF input.
2. Pr ess "MENU" button . (Press "MENU" button then
display will change B R T, C N T, T N T, V-T and
SHP). Select BRT and press "CH o / p" buttons
so that the bar is just visible (See above figure).
3. Turn the power off and on again.
SYMPTE
7.5IRE
See below
Black
This b
just
visible
Fig. 4
1-7-4T7400EA
Page 28
8. Focus Adjustment
Purpose: Set the optimum Focus.
Symptom of Misadjustment: If Focus Adjustment is
incorrect, blurred images are shown on the display.
Test pointAdj. PointModeInput
---F oc us Cont ro l---Monoscope
TapeM. EQ.Spec.
---Pattern GeneratorSee below.
Note: Focus VR (FBT) --- MAIN CBA
FBT= Fly Back Transformer
1. Operate the unit more than 30 minutes.
2. Face the unit to the East and degauss the CRT
using a Degaussing Coil.
3. Input the monoscope pattern.
4. Adjust the Focus Control on the FBT to obtain clear
picture.
9. Head Switching Position Adjustment
The following 2 adjustments normally are not
attempted in the field. They should be done
only when replacing the CRT then adjust as a
preparation.
11.Purity Adjustment
Purpose: To obtain pure color.
Symptom of Misadjustment: If Color Purity Adjust-
ment is incorrect, large areas of color may not be
properly displayed.
Test pointAdj. PointModeInput
---
TapeM. EQ.Spec.
---Pattern GeneratorSee below.
Deflection Yoke
Purity Magnet
Figure
---*Red Color
Purpose: Determine the He ad Switching Poi nt during
Playback.
Symptom of Misadjustment: May cause Head
Switching Noise or Vertical Jitter in the picture.
Note: Unit reads Head Switching Position automatically and displays it on the screen (Upper Left Corner).
1. Playba ck test tape (FL 8A, FL8N).
2. Enter the Service Mode. (See page 1-4-1.)
Then press the "5" button on the remote control
unit.
3. The Head Switching position will display on the
screen; if adjustment is necessary follow step 4.
6.5H(412.7µs) is preferabl e.
4. Press "CH o" or "CH p" button on the remote control unit if n ecessary. The value will b e changed in
0.5H steps up or down. Adjustable rang e is up to
9.5H. If the value is bey ond adjustable range, the
display will change as:
Lower out of range: 0.0H
Upper out of range: -.-H
5. Turn the power off and on again.
10. CCS Text Box Location
When replacing the CRT, the CCS Box might not stay
in appropriate position. Then, replace micro computer.
Note: This adjustment automatically done by the
microcomputer.
GREEN
* This becomes RED COLOR if push 7KEY with a
service mode.
1. Set the unit facing east.
2. Ope rate the un it for over 30 mi nutes befo re adj usting.
3. Fu lly degauss the unit us ing an external degaussing coil.
4. Set the unit to the AUX Mode which is located
before CH2 then input a red raster from video in.
5. Loos en the screw on the Deflection Yoke Clamper
and pull the Deflection Yoke back away from the
screen. (See Fig. 6.)
6. Loos en the Ring Lock and adjust the Purity Ma gnets so that a red field is obtained at the center of
the screen. Tighten Ring Lock. (See Fig. 5,6.)
7. Slowly push the Deflection Yoke toward the bell of
the CRT and set it where a uniform red field is
obtained.
8. Tighten the clamp screw on the Deflection Yoke.
RED
BLUE
Fig. 5
1-7-5T7400EA
Page 29
12. Convergence Adjustment
6
7
8
Purpose: To obtain proper converg ence of red, gr een
and blue beams.
Symptom of Misadjustment: If Convergence Adjust-
ment is incorrect, t he edge of white letters may hav e
color edges.
Test pointAdj. PointModeInput
C.P. Magnet (RB),
---
C.P. Magnet (RB-G),
Deflection Yoke
Ta peM. EQ.Spec.
---Pattern GeneratorSee below.
Figure
---
Dot Pattern
or
Crosshatch
1. Set the unit to the AUX Mode which is located
before CH2 then input a Dot or crosshatch pattern.
2. Loos en the Ring Lock and al ign red with blue dots
or Crosshatch at the center of the screen by rotating (RB) C.P. Magnets. (See Fig. 7.)
3. Align red / blue w ith gr een dots at th e center of the
screen by rotating (RB-G) C.P. Magnet.
(See Fig. 8.)
4. Fix the C.P. Magnets by tightening the Ring Lock.
5. Remove the DY W e dg e s a nd sli g ht l y t il t t h e D eflection Yoke horizontally and vertically to obtain the
best overall convergence.
6. Fix the Deflection Yoke by carefully inserting the
DY Wedges between CRT and Deflection Yoke.
DY WEDGE
CRT
COIL
COIL CLAMPER
DEFLECTION YOKE
PURITY
SCREW
C.P. MAGNET (RB)
R
G
B
C.P. MAGNET (RB-G)
RB
RB
RB-G
RING LOCK
C.P. MAGNET
CLAMPER
C.P. MAGNET
SCREW
Fig.
R
G
B
Fig.
G
RB
G
Fig.
1-7-6T7400EA
Page 30
CONTROL
HEAD
CL402
AC HEAD ASSEMBLY
MAIN CBA
KEY 1
RF-SW
ST-SENS.
T-REEL
KEY 0
DV-SYNC
C-SYNC
C-SYNC
V-ENV
REMOTE
CTL(+)
RESET
ROTA
D-REC-H
D-REC-H
REC-SAFETY
A-MUTE
SCL
SDA
A-MUTE
CTL(-)
RF-SW
DV-SYNC
V-ENV
ROTA
END-SENS.
IC201
(SERVO/SYSTEM CONTROL)
14
94
95
9
7
80
34
18
15
10
13
74
33
44
65
72
6
5
RS201
REMOTE
SENSOR
CTL AMP-OUT
97
AL+5V
D203
S-LED
CTL
TP201
(DECK ASSEMBLY)
Servo/System Control Block Diagram
BLOCK DIAGRAMS
END-SENS.
T-REELST-SENS.
Q202Q206
Q201
Q205
RESET
TIMER+5V
SP/LP/SLP 28
EXT-H/INSEL 29
RENTAL 30
SPL-PLAY
SP/LP/SLP
EXT-H/INSEL
RENTAL
SPL-PLAY
32
REC/EE/PB
REC/EE/PB
27
EXT-H/INSEL
REC/EE/PB
SP-MUTE
SP-MUTE
12
SW211
REC
SAFETY
FROM/TO
VIDEO BLOCK
FROM/TO
AUDIO BLOCK
KEY
SWITCH
KEY
SWITCH
SW201 SW204,SW206
1-8-11-8-2T7401BLS
SCL
(MEMORY)
SDA
6
5
REC LED 22
REC LED
23
P-DOWN
84
P-ON-H
P-DOWN
P-ON-H
31
D204 REC
AL+5V
LD-SW1
I2C-OPEN
45
71
SW212
LD-SW
CS
7
FROM/TO
POWER SUPPLY
BLOCK
SW205,SW207 SW210
SDA
SCL
FROM/TO
CHROMA /TUNER
BLOCK
SDA
SCL
IC202
WF3
55CTL(+)
66CTL(-)
M
M
LOADING
MOTOR
CYLINDER ASSEMBLY
CAPSTAN MOTOR
SENSOR CBA
(ST-SENSOR)
SENSOR CBA
(END-SENSOR)
DRUM
MOTOR
PG
SENSOR
CL201
C-FG
C-CONT
D-PFG
90
76
87
LD-CONT82
D-CONT77
P-ON+12V
P-ON+5V
M
CAPSTAN
MOTOR
C-F/R66
D/L+12V
DEF+B
AFT
AFT
8
EXT-L
EXT-L
20
1P-ON+12V
2P-ON+5V(2)
3C-FG
4C-F/R
5
C-CONT
6FG-GND
7LD-CONT
8
D-CONT
9D-PFG
10M-GND
11D/L+12V
12D/L+15V
Page 31
R
L
LUMINANCE
SIGNAL PROCESS
MAIN CBA
Video Block Diagram
VIDEO (L) HEAD
VIDEO (R) HEAD
1-8-31-8-4T7401BLV
(DECK ASSEMBLY)
V(L)
V-COM
V(R)
CL401
3
2
1
Q401
JK701
REAR V-IN
TP301
V-OUT
V-AGC
TUNER
LINE
R P
FBC
Y/C
MIX
CCD 1H
DELAY
R
P
DOC YNR Y/C COMB
CHROMINANCE
SIGNAL PROCESS
IC401
VIDEO/AUDIO
SIGNAL PROCESS
35
REC VIDEO SIGNAL PB VIDEO SIGNALMODE: SP/REC
13
91
90
89
88
42
38
CHARA
MIX
6dB
AMP
ENV
DET
AGC
AMP
HPF
FROM
SERVO/SYSTEM
CONTROL BLOCK
FROM/TO
CHROMA/TUNER
BLOCK
TO CHROMA/
TUNER BLOCK
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
CYLINDER ASSEMBLY
RF-SW
RF-SW
93
V-ENV
J274
WF1
TP402
V-ENV
BUFFER
D-V SYNC
SP/LP/SLP
SP/LP/SLP
ROTA
D-V SYNC
ROTA
14
36
16
71
39
59
73
SPL-PLAY
REC/EE/PB
RENTAL
TRICK
REC/EE/PB
RENTAL
42
TU-VIDEO
LINE-VIDEO
EXT-H/INSEL
VIDEO
74
45 474944
Q402
BUFFER
WF6
WF5
WF4
Page 32
Audio Block Diagram
BLOCK DIAGRAM FOR SECTION 2 (DECK MECHANISM)
MAIN CBA
PB-AUDIO SIGNALREC-AUDIO SIGNAL
1-8-5
JK702
A-IN
IC301(VIDEO/AUDIO SIGNAL PROCESS)
IC401
Mode : SP/REC
T7401BLA1-8-6
BIAS
OSC
Q872
P-ON+5V
P-ON+5V
Q871
Q873
Q874
Q875
(AUDIO PROCESS)
7
1
IC801 (AMP)
SPEAKER
1
SP-GND 2
JK801
EARPHONE JACK
SP801
SPEAKER
CN801
CL802
SP-MUTE
FROM PIN 12
OF IC201
TU-AUDIO
FROM
CHROMA/TUNER
BLOCK
TP401
A-OUT
AUDIO
HEAD
AC HEAD ASSEMBLY
A-COM
A-PB/REC
CL402
AUDIO
ERASE
HEAD
AE-H
AE-H/FE-H
2
1
FE-H
FE-H GND
FULL
ERASE
HEAD
CL403
4
3
1
FE HEAD UNIT
SERIAL
I/F
AUDIO
ATT
SDA
SCL
CN287
4
3A-COM
A-PB/REC
1
2
AE-H
AE-H/FE-H
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
TUNER
REC
AMP
AUTO
BIAS
LINE
AMP
MUTE
P
R
ALC
TUNER
LINE
D-REC-H
D-REC-H
A-MUTE
EXT-H/INSEL
REC/EE/PB
FROM
SERVO/
SYSTEM
CONTROL
BLOCK
WF8
OUTPUT
AMP
WF9
WF7
32
EQ
AMP
SP/LP-ON
MUTE
5
2
24
14
15
26
21
LINEVCR
98
96
4
67
11 12 71 16
99
3
2
1
8076
100
Page 33
T7401BLC1-8-71-8-8
X301
3.58MHz
CL502B
SAW
FILTER
SF001
IC301 (VIDEO/AUDIO/CHROMA/DEFLECTION)
TU001
IF
AGC
SDA
SCL
FSC
1
11
5
4
8
IC201
(SYSTEM CONTROL/OSD)
V-SYNC
H-SYNC
OSD-R
OSD-G
OSD-B
59
58
60
62
63
64
OSDT-BLK
TU AUDIO
EXT-L
TO AUDIO BLOCK
FROM
SERVO/ SYSTEM
CONTROL BLOCK
TU VIDEO TO VIDEO BLOCK
LINE-VIDEO
FROM
VIDEO BLOCK
VIDEO
TO
CRT/H.V. BLOCK
CL502A
FROM/TO
CRT/H.V. BLOCK
2
GREEN3
BLUE
AFC
H-DRIVE
ACL
V-RAMP-NF
V-DRIVE
Chroma/Tuner Block Diagram
SDA
AFT
SCL
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
REC VIDEO SIGNALPB VIDEO SIGNALMode : SP/REC
REC-AUDIO SIGNAL
WF18
WF17
WF10
WF11
TP302
AFC
56
CV-IN
4
MAIN CBA
18
34
35
8
9
31
13
10
11
12
15
14
4
5
3
2
40
41
16
6
20
25
23
CHROMA
TRAP
SERIAL
I/F
INTELLIGENT
MONITORING
CHROMA
BPF
SYNC
SEPARATION
LUMA
SIGNAL
PROCESS
CIRCUIT
CHROMA
SIGNAL
PROCESS
CIRCUIT
H-SYNC
PROCESS
CIRCUIT
V-SYNC
PROCESS
CIRCUIT
OSD MIX/RBG MATRIX/
BLIGHT/DRIVE AMP/
HV BLANKING
TUNER
TUNER
FILTER
TUNING
VXCO
CF031
CF032
VCO F/B
IC100 (IF SIGNAL PROCESS)
VIF
AMP
VIDEO
DET
VCO
4.5MHz
FILTER
LPF
IF AGC DET
EQ
AMP
RF
AGC
AMP
AFT
4.5MHz
TRAP
FM
DET
AF
AMP
20
14
16
7
21
5
3
8
1
11
17
C-SYNC
LINE
VCR
VCR
LINE
RED
Page 34
PUMP
UP
AMP
THERMAL
PROTECTION
V-DRIVE
H-DRIVE
GREEN AMP
BLUE AMP
Q511
Q521
Q531
H.DRIVE
Q572
Q571
T572
T7401BLCRT
AFC
ACL
CRT/H.V. Block Diagram
VDRIVE
HDRIVE
L551
DEFLECTION-YOKE
IC551 (V-DEFLECTION CONTROL)
T571 F.B.T.
ANODE
FOCUS
SCREEN
MAIN CBA
CRT CBA
R
G
B
HEATER
ANODE
GND
V501
CRT
GND
FOCUS
SCREEN
JK501
CN505
CL501ACL501B
REC VIDEO SIGNALPB VIDEO SIGNAL
CN571
FROM/TO
CHROMA/TUNER BLOCK
FOCUS VR
SCREEN VR
FROM
CHROMA/TUNER
BLOCK CL504
1-8-101-8-9
+B
FROM
POWER SUPPLY BLOCK
DEF+B
H.OUTPUT
V-RAMP-NF
5
4
3
1
WF12
WF15WF14
WF16
WF13
RED AMP
Mode : SP/REC
CL502A
VCC
6
7
1
3 2
5
1
5
3
4
6
9
7
10
8
11
S
F
HV
33HEATER
11P-ON+160V
2RED
3GREEN
4BLUE
CN573
Page 35
Power Supply Block Diagram
6
4
2
1
12
11
10
9
7
8
LINE
FILTER
BRIDGE
RECTIFIER
T601
IC601
ERROR
VOLTAGE DET
W601
F601
4A/125V
L601
D603 - D606
T7401BLP
SWITCHING
Q604
VR601
DEGAUSSING
COIL
CN601
Q601
+B ADJ.
FEED
BACK
LIMITER
Q602
PS601
41
32
HOTCOLD
1-8-12
1-8-11
Q606
Q605
Q607
DG601
AL+33V
P-ON+5V
MAIN CBA
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
4A/125V
TIMER+5V
P-DOWN
(TO PIN84 OF IC201)
P-ON-ON
P-ON+5V
P-ON+5V
P-ON+8V
AL+12V
P-ON+12V
AL+5V
P-ON-H
(FROM PIN31 OF IC201)
+5V REG.
+5V REG.
+5V REG.
+5V REG.
+8V REG.
IC602
Q608
Q611
Q610
Q609
Q612
+5.7V
REGULATOR
IC301
3027
+B
DEF+B
HOT CIRCUIT. BE CAREFUL.
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,
REPLACE ONLY WITH SAME TYPE 4 A, 125V FUSE.
CAUTION:
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE 4A, 125V.
4A/125V
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F601) is blown, check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
Page 36
MECHANICAL TROUBLE INDICATOR
1, Each Malfunction Indication
If the MONITOR is turned ON right after the Mechanical Malfunction occurs or PO WER SAFETY/X- RAY is
turned ON, display the following character to show
Malfunction after the EJECT display.
If X-RAY port become s continuously 2.5V or m ore for
120 msec. (4 times 4 0 msec. interval), the unit shall
immediately turn OFF the POWER/MONITOR and
switch over to the Mechan ical Malfunction mode with
POWER OFF.
(To return from this mode shall beco me possible only
by POWER Key as in the cas e o f the M ec han ical Mal function).
POWER SAFETY
1) POWER SAFETY 2
If P-SAFETY 2 po rt becomes c ontinuously 2. 5V or
less for 120 msec. (4 times 40 msec. interval) when
P-ON-H port is ON, the unit shall be assumed to be
the Power Malfunction 2 and immediately turn OFF
the POWER/MONITOR and switch over the
Mechanical Malfunction mode with POWER OFF.
(Shall not unload)
(To return from this mode shall become possible
only by POWER Key as in the case of the Mechanical Malfunction).
* However the POWER SAFETY 2 function shall
be disabled during 500 msec. right aft er the P-ONH turns ON.
2) POWER SAFETY 3
If P-SAFETY 3 po rt becomes c ontinuously 2. 5V or
over for 120 msec. (4 times 40 msec. interval)
when MONITOR is ON, P-SAFETY 3 function is
available. After that, if P-SA FETY 3 port becomes
continuously 2.5V or less for 120 msec. (4 times 40
msec. interval), the unit shall be assumed to be the
Power Malfunction 3 and immediately turn OFF the
POWER/MONITOR and switc h over the Mechanical Malfunction mode with POWER OFF.
(Shall not unload)
(To return from this mode shall become possible
only by POWER Key as in the case of the Mechanical Malfunction).
1-8-13T5407MTI
Page 37
Mechanical Malfunction determination
1) REEL Malfunction detection
Countermeasure for REEL and CAPSTAN motor
After the Malfunction detection with REEL/CAPSTAN sensor, the unit shall switch over to STOP
(B) and be REEL Mechanical Malfunction.
a) If the T-REEL pulse is not impressed after a lapse
of 5 sec. at SP, 10 sec. at LP, 14 sec. at SLP, or
more in the REEL Rotation Mode lik e PLAY/REC,
FS/RS Mode, and the T-REEL or S-REEL puls e is
not impress after a lapse of 4 sec. or more in REEL
Rotation Mode of FF/RE W, it shall be assumed to
stop the rotation and switch over to STOP (B) po sition, then POWER be turned OFF and the unit be
REEL Mechanical Malfunction. (T-REEL and SREEL for the models on S-RE EL and only T-REEL
for other models)
b) If the C-FG pulse is not imp ressed for a lapse of 1
sec. or more during the CAPSTAN MOTOR rotation, it shall be MOTOR Rotation Malfunction
(REEL Malfunction).
2) DRUM Malfunction detection
Detect the DRUM rotation at the D-FG inpu t termi-
nal.
If the variation o f D-FG input level is not de tected
for a lapse of 1 sec. or more wh en D-CONT is "H",
it shall be assume d to be R otation Mal functi on and
be DRUM Malfunction.
When detect Drum Mal function, POWER shall be
turned OFF after the unit switches over to STOP
(B) Mode.
3) Countermeasure for TAPE LOADING Malfunction
Detect the Malfunction with the LOADING Switch.
a) TAPE LOADING Malfun ction
If LD-SW does not go to the established position
after a lapse of 7 sec. or more from TAPE LOADING or TAPE UNLOADING start, the LOADING
function shall immediately be stopped and POWER
be turned OFF, and inform the Timer about the
LOADING Mechanical Malfunction.
b) LD-SW Position Malfunction at each mode
When the unit operates a t each mode, even if the
LD-SW position ch anges from the e stablished one
in its mode, it keeps the function according to its
mode.
4) Countermeasure for CASSETTE LOADING Malfunction
a) CASSETTE IN operating Malfunction
If LD-SW does not go to SB position after a lapse of
5 sec. or more from the CASSETTE insertion start,
the unit starts the CASSETTE OUT operation.
After switch over to CASSETTE OUT operation
and then a laps of 5 sec. or more from the CASSETTE OUT operation start, if L D-SW does not go
to the EJ position or if START Sensor and END
Sensor does no t turn "ON" at the EJ position, the
unit starts again to insert CASSETTE.
(However in S-INH state, the START/END Sensor
shall be disabled).
b) CASSETTE OUT operating Malfunction
After a lapse of 5 sec. or more from CASSETTE
OUT operation start, if LD-SW does not go to the
EJ position or if START Sensor and END Sensor
does not turn "ON" at the EJ position, the unit starts
to insert CASSETTE.
(However in S-INH state, the START/END Sensor
shall be disabled).
When the unit switches over to CASSETTE insertion at CASSETTE IN or CASSETTE OUT Malfunction, if LD-SW does not go to the SB position
after a lapse of 5 sec. or more from CASSETTE
insertion start, the function shall immediately be
stopped and POWER b e turned OFF, and the unit
be CASSETTE LOADING Malfunction.
c) Whe n POWER is turned ON, if the CL position or
GC position cannot be detected after 5 sec. LDREV operation and 5 sec. LD-FWD op eration, the
function shall immediately be stopped and POWER
be turned OFF, and the unit be CASSETTE LOAD ING Malfunction.
d) When POWER is turned ON without CASSETTE
(EJ position) and LD- SW is monitored a ll the time,
if the CL or GC position is detected continuously for
1 sec. or more, the P OWER shall be turned OFF
and the unit be CASSETTE LOADING Malfunction.
Countermeasure for Mechanical
Malfunction
If the unit detects Mechanical Malfunction, turn the
POWER OFF. If the unit is Mechanical Malfunction,
Key input except PO WER key shall be disabled and
CASSETTE inser tion disabled. Whe n POWER Key is
entered, the POWER is turned ON and the unit
switches over the EJECT Mode. (Return with POWER
ON)
1-8-14T5407MTI
Page 38
d
Power Supply Trouble Shooting Guide
1
0
It is highly recommended that a variable isola tion
transformer which can monitor current be used.
(Alternat ive ly a var iable AC sour ce whi ch moni tors
current will do). Read directions below before
power is added!
CHECK
Repair metho
Check Fuse (F601) is blown
out or not.
If fuse is blown out,
YES
#1
do repair method #1
NO
Check whether the primary
rectifying DC of the Switching
power supply has an output.
NO
#2
(Reading should be about 168V.
YES
Voltage of the 105V line
higher than normal?
YES
#3
NO
The transformer of the power
supply makes a higher sound
or the oscillation wave form is
abnormal.
(E.g. intermittent oscillation)
Connect the positive probe of
oscilloscope to the pin 16 of
YES
#4
T601, then connect the negative
probe to the pin 12. Observe the
waveform and check to see if
the waveform is out of limit of
value shown in Fig.1.
Voltage approx. 5Vp-p
V
T=Approx. 6 to 14 sec
Oscilloscope setting: 1V/DIV.
2 sec./DIV
Fig.
Repair method #1
(Power must be off)
Short circuit in the sec ondary s ide. ch eck diod e D613 ,
D614, D616, D617 and D618, switching transistor
(Q601), control transistor (Q602), diode and resistor
replace as necessary.
Disconnect 105V diode (D61 3), 25V diode (D6 14), 8V
diode (D616), 12V diode (D617), 12V diode (D618)
and Check the loa d continuity of 105V li ne, 25V line,
8V line, 12V line through a tester (resistance range).
If the tester indica tes a lower resistance value a round
0 ohm, the line is short-circuited.
Before repairing the switchi ng power supply, find out
the short-circuited area of such line and repair it.
If the tester does not indicate any low resistance value
(around 0 ohm), no l oad is short- circ uited and th ere is
no problem.
Check for any defective parts while the secondary rectifying diodes are disconnected (D613, D614, D616,
D617 and D618) perform a diode check in both forward and reverse directions through a tester.
NO
There is no problem on the
SW power supply
1-8-15T5300TR1
Page 39
Repair method #2
Check the primary rectifying diodes (D603-D606) as
possible problems. Remove the above mentioned
parts and check them. Perform check according to the
step 1 and 2 of repair method #1 and check for defects
following parts, then if necess ary replace with factory
originals.
R602 is open or not.
Q601, Q602, D607, D608 and D611 are short or not.
Repair method #3
The feedback circuit whi ch is monitored by the output
of D613 105V may not work and this may be regarded
as a possible cause , remove IC601 (Photo Coupler),
diode (D620) and transistor (Q604) check for defects.
Repair method #4
Check control circuitly which is connecting to Pin 2
and 1 of Switching Transformer T601.
1-8-16T5300TR1
Page 40
(
SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS
Standard Notes
Warning
Many electrical and mechanical parts in this chassis
have special characteristics. These characteristics
often pass unnoticed and the protection afforded by
them cannot nece ssar ily b e ob tai ned by us ing repl ac ement components rated for higher voltage, wattage,
etc. Replacement parts that have th ese spe cial safety
characteristics are identified in this manual and its
supplements; electrical comp onents having such features are identified by the mark " # " in the schematic
diagram and the parts list. Before replacing any of
these components, read the parts list in this manual
carefully. The use of substitute replacement parts that
do not have the same s afety character istics as specified in the parts list may create shock, fire, or other
hazards.
Capacitor Temperature Markings
Mark
(B)
(F)+30 -80%20°C-25~+85°C
Capacity
change rate
±10%
Standard
temperature
20°C-25~+85°C
Temperature
range
Note:
1. Do n ot use th e part numb er shown o n these drawings for ordering. The correct part number is shown
in the parts list, and may be slightly different or
amended since these drawings were prepared.
2. All resistance va lues are indicated in ohms (K=10
6
).
M=10
3. Resi stor wattages are 1/4W or 1/6W unl ess otherwise specified.
4. All capacitance values are indicated in µF
-6
(P=10
5. All voltages are DC voltages unless otherwise
specified.
µF).
3
,
(SR)
(Z)+30 -80%20°C-10~+70°C
Capacitors and transistor s are represented by the following symbols.
±15%
20°C-25~+85°C
CBA Symbols
(Top View) (Bottom View)
+
Electrolytic Capacitor
Bottom View)
Transistor or Digital Transistor
E C B
Schematic Diagram Symbols
(Top View)
NPN Transistor
E C B
(Top View)
E C B
PNP Transistor
Digital Transistor
(Top View)
NPN Digital Transistor
E C B
(Top View)
PNP Digital
Transistor
E C B
1-9-1SC_1
Page 41
LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON
1
THE FOLLOWING PAGES:
1. CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE.
2. CAUTION:
Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F601) is blown, first check to see that all components in the power supply circuit are not defective
before you connect the AC plug to the AC po wer supply. Otherwi se it may cause some com ponents in the
power supply circuit to fail.
3. Note:
(1)Do not use the part number shown on the dr awings for ordering. T he correc t part number is sho wn in the parts
list, and may be slightly different or amended since the drawings were prepared.
(2)T o maintain original function and reliability of repaired units, use only original replacement parts which are listed
with their part numbers in the parts list section of the service manual.
4. Wire Connectors
(1)Prefix symbol "CN" means "connector" (can disconnect and reconnect).
(2)Prefix symbol "CL" means "wire-solder holes of the PCB" (wire is soldered directly).
5. Note: Mark "•" is a leadless (chip) component.
6. Mode: SP/REC
7. Voltage indications for PLAY and REC modes on the schematics are as shown below:
PLAY mode
REC mode
3
2
1
ABCD
AREA D3
1-D3
The same voltage for
both PLAY & REC modes
8. How to read converged lines
-D3
Distinction Area
Line Number
(1 to 3 digits)
Examples:
1. "1-D3" means that line number "1" goes to area "D3".
2. "1-B1" means that line number "1" goes to area "B1".
5.0
231
5.0
(2.5)
Indicates that the voltage
is not consistent here.
Unit: Volts
1-B1
AREA B1
9. Test Point Information
: Indicates a test point with a jumper wire across a hole in the PCB.
: Used to indicate a test point with a component lead on foil side.
: Used to indicate a test point with no test pin.
: Used to indicate a test point with a test pin.
1-9-2SC_2
Page 42
A1
A2
A3
A4
B1
B2
B3
B4
C1
C2
C3
C4
D1
D2
D3
D4
E1
E2
E3
E4
F1
F2
F3
F4
Main 1/5 Schematic Diagram
1-9-31-9-4
T7401SCM1
MAIN 1/5
Ref No.Position
IC201
C-3
IC202
D-1
Q205
B-1
Q206
D-3
CL201
F-4
J274B-2
TP201B-4
CONNECTOR
ICS
TRANSISTORS
TEST POI NTS
Page 43
G1
G2
G3
G4
H1
H2
H3
H4
I1
I2
I3
I4
J1
J2
J3
J4
K1
K2
K3
K4
L1
L2
L3
L4
REC Video Signal
REC Audio Signal
PB Video Signal
PB Audio Signal
Main 2/5 Schematic Diagram
1-9-5
1-9-6
T7401SCM2
MAIN 2/5
Ref No.Position
IC401
H-2
IC801
K-4
Q401
K-2
Q402
K-3
Q871
G-2
Q872H-1
Q873
G-2
Q874G-1
Q875
G-1
CL401
G-3
CL402
L-1
CL403
G-1
CN801
L-4
TP301
K-3
TP401
G-2
TP402I-4
CONNECTOR
ICS
TRANSISTORS
TEST POI NTS
Page 44
M1
M2
M3
M4
N1
N2
N3
N4
O1
O2
O3
O4
P1
P2
P3
P4
Q1
Q2
Q3
Q4
R1
R2
R3
R4
REC Video Signal
REC Audio Signal
PB Video Signal
PB Audio Signal
Main 3/5 Schematic Diagram
1-9-71-9-8
T7401SCM3
MAIN 3/5
Ref No.Position
IC100
Q-2
IC301
M-2
Q301
N-1
TP302O-1
ICS
TRANSISTOR
TEST POI NT
Page 45
S1
S2
S3
T1
T2
T3
U1
U2
U3
V1
V2
V3
W1
W2
W3
X1
X2
X3
Main 4/5 Schematic Diagram
1-9-9
1-9-10
T7401SCM4
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK
FIRE, REPLACE ONL Y WITH THE SAME TYPE 4A, 125V FUSE.
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE
MÊME TYPE DE 4A, 125V.
4A/125V
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F601) is blown, check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER
SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.
ALSO, IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT
SLOWL Y, WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY
CIRCUIT, A VARIABLE ISOLA TION TRANSFORMER IS REQUIRED.
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK
FIRE, REPLACE ONL Y WITH THE SAME TYPE 4A, 125V FUSE.
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE
MÊME TYPE DE 4A, 125V.
4A/125V
BHB300F01014-A
BHB300F01014-B
Sensor CBA Top View
TO SENSOR CBA
(END-SENSOR)
TO SENSOR CBA
(START-SENSOR)
Main CBA Top View
BT5400F01014
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F601) is blown, check to see that all components in the power supply circuit
are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply
circuit to fail.
1-9-13
1-9-14
MAIN CBA
Ref No.Position
IC100
D-4
IC201
A-3
IC202
B-3
IC301
B-4
IC401
C-3
IC551
D-2
IC601E-3
IC602
D-2
IC801
A-1
Q205
A-4
Q206
B-3
Q301
B-4
Q401
B-3
Q402
B-3
Q571
D-1
Q572
C-1
Q591
C-1
Q601
E-3
Q602
E-3
Q604
E-3
Q605
E-2
Q606
D-2
Q607
D-2
Q608
D-3
Q609
D-3
Q610
D-3
Q611
D-3
Q612
D-3
Q871
C-3
Q872
D-3
Q873
C-2
Q874
C-3
Q875
C-2
CL201
C-1
CL401
C-3
CL402
C-2
CL403
C-4
CL501B
D-1
CL502B
C-4
CN571
D-1
CN573
E-2
CN601
D-4
CN801
B-4
J274C-4
TP201
B-4
TP301
C-4
TP302
B-4
TP401
C-4
TP402
C-4
VR601E-3
ICS
VARIABLE R ESI STOR
CONNECTORS
TEST POI NTS
TRANSI STORS
Page 48
PIN 5
OF CN571
WF13
Q571
Collector
WF12
PIN 7
OF IC401
WF9
PIN 9
OF IC301
WF10
PIN 8
OF IC100
WF7
PIN 41
OF IC301
WF11
PIN 61
OF IC401
WF2
PIN 42
OF IC401
WF4
PIN 59
OF IC201
WF18
PIN 58
OF IC201
WF17
Main CBA Bottom View
BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER
SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.
ALSO, IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT
SLOWL Y , WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY
CIRCUIT, A VARIABLE ISOLA TION TRANSFORMER IS REQUIRED.
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK
FIRE, REPLACE ONL Y WITH THE SAME TYPE 4A, 125V FUSE.
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE
MÊME TYPE DE 4A, 125V.
4A/125V
BT5400F01014
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F601) is blown, check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
1-9-15
1-9-16
Page 49
Q531
Collector
WF16
Q521
Collector
WF15
Q511
Collector
WF14
BT5400F01014
CRT CBA Top ViewCRT CBA Bottom View
1-9-17
1-9-18
CRT CBA
Ref No.Position
Q511
B-2
Q521
B-2
Q531
B-2
CL501A
A-1
CL502A
B-2
CN505A-1
TRANSISTORS
CONNECTORS
Page 50
Z12WF1-10-11-10-2
WAVEFORMS
WF2 MAIN 2/5 SCHEMATIC DIAGRAM
IC401 PIN 61
WF1 MAIN 1/5 SCHEMATIC DIAGRAM
J274 RF-SW
Upper: WF6 Lower: WF1
MAIN 2/5 SCHEMATIC DIAGRAM
TP402 V-ENV
WF5 MAIN 2/5 SCHEMATIC DIAGRAM
TP301 V-OUT
WF4 MAIN 2/5 SCHEMATIC DIAGRAM
IC401 PIN 42
WF9 MAIN 2/5 SCHEMATIC DIAGRAM
IC401 PIN 7
WF8 MAIN 2/5 SCHEMATIC DIAGRAM
TP401 A-OUT
WF3 MAIN 1/5 SCHEMATIC DIAGRAM
TP201 CTL
WF7 MAIN 3/5 SCHEMATIC DIAGRAM
IC100 PIN 8
WF11 MAIN 3/5 SCHEMATIC DIAGRAM
IC301 PIN 41
WF10 MAIN 3/5 SCHEMATIC DIAGRAM
IC301 PIN 9
WF13 MAIN 5/5 & CRT SCHEMATIC
DIAGRAM
CN571 PIN 5
WF15 MAIN 5/5 & CRT SCHEMATIC
DIAGRAM
Q521 COLLECTOR
WF16 MAIN 5/5 & CRT SCHEMATIC
DIAGRAM
Q531 COLLECTOR
WF12 MAIN 5/5 & CRT SCHEMATIC
DIAGRAM
Q571 COLLECTOR
WF14 MAIN 5/5 & CRT SCHEMATIC
DIAGRAM
Q511 COLLECTOR
0.2 V0.1 µs
2 V5 ms
0.2 V 5 V 5 ms
0.5 V20 µs
0.25 V20 µs
0.5 V
0.5 V0.5 ms
1 V10 ms
0.2 V0.5 ms
0.5 ms
1 V20 µs
2 V
5 ms
20 µs200 V
10 V5 ms
20 V20 µs
20 V20 µs
20 V20 µs
WF17 MAIN 1/5 SCHEMATIC DIAGRAM
IC201 PIN 58
1 V
WF18 MAIN 1/5 SCHEMATIC DIAGRAM
IC201 PIN 59
1 V5 ms
20 µs
WAVEFORM NOTES
INPUT: NTSC COLOR BAR SIGNALOTHER CONTROLS: CENTER POSITIONVOLTAGES SHOWN ARE RANGE OFOSCILLOSCOPE SETTING
WAVEFORM NOTES
INPUT: NTSC COLOR BAR SIGNAL (WITH 1kHz AUDIO SIGNAL)
BRIGHTNESS, COLOR AND TINT CONTROLS: CENTER POSITION
CONTRAST CONTROL: APPROX 70%
VOLTAGES SHOWN ARE RANGE OF OSCILLOSCOPE SETTING.
6INKEY1Key 1 Input
7INEND-SENS End-Sensor
8INAFT-INA FT Inpu t
9INST-SENSStart-Sensor
10INV-ENVVideo Envelope Input
11OUT FM-SWSwitching IF IC VCO
12 OUT SP-MUTESpeaker Mute Output
13 OUT D-V SYNCArtificial V-Sync Output
14INREMOTERemote Signal Input
15 OUT ROTA
16-NUNot Used
17-NUNot Used
18 OUT RF-SW
19-NUNot Used
20 OUT EXT-L
21-NUNot Used
22 OUT REC-LED
23 OUT REC-LED
24-NUNot Used
25-NUNot Used
26-NUNot Used
27 OUT REC/EE/PB YCA IC Mode Output
IN/
28
OUT
29 OUT
Signal
Name
Power Supply Failure
Detection 2
Power Supply Failure
Detection 3
Color Phase Rotary
Changeover SIgnal
Video Head Switching
Pulse
External Input or
Playback = Output
Recording LED Control
Signal
Recording LED Control
Signal
SP/LP/SLPTape Speed Control Output
EXT-H/
INSEL
External Input or Playback
Signal Input Selector
Control Signal
Function
Pin
IN/
No.
OUT
30 OUT RENTAL
31 OUT P-ON-HPower On Signal at High
32 OUT SPL-PLAY
33IN
34INRESET
35INXC-INSub Clock 32 kHz
36 OUT XC-OUTSub Clock 32 kHz
37-TIMER+5VVcc
38INX-INMain Clock Input
39 OUT X-OUTMain Clock Output
40-GNDGND
41 OUT SPOT-KILL Counter-measure for Spot
42-NUNot Used
43INCLKSELClock Select (GND)
44 OUT D-REC-HDelayed Record Signal
45INI2C-OPEN
46-GNDGND
47-NUNot Used
48-NUNot Used
49-GNDOSD GND
50-NUNot Used
51-NUNot Used
52-NUNot Used
53-P-ON+5VOSD Vcc
54-HLFHLF
55INV-HOLDVHOLD
56INCV-INVideo Signal Input
57-GNDGND
58INH-SYNCH-SYNC Input
59INV-SYNCV-SYNC Input
60 OUT OSD-BLKOutput for Picture Cut off
61-NUNot Used
62 OUT OSD-BBlue Output
63 OUT OSD-GGreen Output
Signal
Name
RECSAFETY
Function
Rental Position Control
Signal
Special Playback Control
Signal
Record Protection Tab
Detection
System Reset Signal
(Reset=”L”)
White Balance Adjust
Mode Judgment
1-13-1Z12PIN
Page 55
Pin
No.
IN/
OUT
Signal
Name
Function
Pin
No.
IN/
OUT
Signal
Name
Function
64 OUT OSD-RRed Output
65 OUT A-MUTEAudio Mute Output
66 OUT C-F/R
Capstan Motor FWD/REV
Control Signal
67-NUNot Used
68-NUNot Used
69-NUNot Used
70-NUNot Used
E2PROM/CHROMA IC
71 OUT SCL
Tuner Communication
Clock
72
IN/
OUT
SDA
E2PROM/CHROMA IC
Tuner Communication Data
73-NUNot Used
74INC-SYNCC-Sync Input
75-NUNot Used
76 OUT C-CONT
Capstan Motor Control
Signal
77 OUT D-CONTDrum Motor Control Signal
78-NUNot Used
IN/
95
CTL (+)CTL (+)
OUT
96-AMPCAMPC
97 OUT
CTL AMP
OUT
Control Amp Output
98-P-ON+5VPower Supply for AMP
99-AL+5VA/D, D/A Standard Voltage
1.Clean all parts for the tape tr ansport (Upp er Drum with Video Head / Pinch Roll er / Audio Control Head / Full
Erase Head) using 90% lsopropyl Alcohol.
2.After cleaning the parts, do all DECK ADJUSTMENTS.
3.For the reference numbers listed above, refer to Deck Exploded Views.
* B73 ------ Recording Model only
LDG Belt
Cam Holder (F)
Cam Holder (F) Assembly
II
II
II
2-1-1U27MEN
Page 59
Cleaning
V
Cleaning of Video Head
Clean the head with a head cleanin g stick or chamois
cloth.
Procedure
1.Remove the top cabinet.
2.Put on a glove (thin type) to avoid touching the
upper and lower drum with your bare hand.
3.Put a few d rops of 90% Isopropyl alcohol o n the
head cleaning stick or on the chamois cloth and,
by slightly pressi ng it a gai ns t th e he ad tip , tur n the
upper drum to the right and to the left.
Notes:
1.The video head surface is made of very hard
material, but since it i s very thin, avoid clea ning it
vertically.
2.Wait for the cleaned part to dry thorough ly before
operating the unit.
3.Do not reuse a stained head cleaning stick or a
stained chamois cloth.
Cleaning of Audio Control Head
Clean the head with a cotton swab.
Procedure
1.Remove the top cabinet.
2.Dip the cotton swab in 90% is opropyl alcohol and
clean the audio control head. Be careful not to
damage the upper drum and other tape running
parts.
Notes:
1.Avoid cleaning the audio control head vertically.
2.Wait for the cleaned part to dry thoroughly before
operating the unit or damage may occur.
A/C Head
Upper
Cylinder
Do Not !
ideo Head
Cleaning Stick
2-1-2U27MEN
Page 60
SERVICE FIXTURE AND TOOLS
J-1-1, J-1-2
J-3
J-2
J-4
J-5
Ref. No. NamePart No.Adjustment
J-1-1Alignment TapeFL8AHead Adjustment of Audio Control Head
J-1-2Alignment TapeFL8N
J-2Guide Roller Adj.Scr ewdri ve rAvailable
J-3MirrorAvailable
J-4Azimuth Adj.Screwdriver +Available
J-5X Value Adj.Screwdriver -Available
(2Head only)
FL8NW
(4Head only)
Locally
Locally
Locally
Locally
Azimuth and X Value Adjustment of Audio Control
Head / Adjustment of Envelope Waveform
Guide Roller
Tape Transportation Check
A/C Head Height
X Value
2-2-1U25NFIX
Page 61
MECHANICAL ALIGNMENT PROCEDURES
Explanation of alignme nt for the tape to correctly run
starts on the next page. Refer to the information below
on this page if a tape gets stuck , for example, in the
mechanism due to some electrical trouble of the unit.
Service Information
A. Method for Manual Tape Loading/Unloading
To load a cassette tape manually:
1. Disconnect the AC plug.
2. Remove the Top Case and Front Assembly.
3. Insert a cassette tape. Though the tape wil l not be
automatically loaded, make sure that the cassette
tape is all the way in at the inlet of the Cassette
Holder. To confirm this, lightly push the cassette
tape further in and see if the tape c omes bac k out,
by a spring motion, just as much as you have
pushed in.
4. Turn the LDG Belt in the appropriate direction
shown in Fig. M1 f or a minute or two to complete
this task.
To unload a cassette tape manually:
1. Disconnect the AC plug.
2. Remove the Top Case and Front Assembly.
3. Make s ure that the Movi ng guide preparations are
in the Eject Position.
4. Turn the LDG Belt in the appropriate direction
shown in Fig. M1 until the Moving guide preparations come to the Eject Position. Stop turning when
the preparations begin clicking or can not be
moved further. However, the tape will be left wound
around the cylinder.
5. Turn the LDG Belt in the app ropriat e direc tion c ontinuously, and the cassette tape will be ejected.
Allow a minute or two to complete this task.
B. Method to place the Cassette Holder in the tape-
loaded position without a cassette tape
1. Disconnect the AC Plug.
2. Remove the Top Case and Front Assembly.
3. Turn the LDG Belt in the appropriate direction
shown in Fig. M1 . Rel eas e the lo ck in g tabs s hown
in Fig. M1 and contin ue turning the LDG Belt un til
the Cassette Holder comes to the tape-loaded
position. Allow a minute or two to complete this
task.
Top View
Moving guide T preparation
(Eject Position)
Moving guide S preparation
(Eject Position)
Push the tape
to load it.
Push the locking tab gently to unlock
when loading without a cassette.
UNLOAD
/EJECT
LOAD
Side View
LDG Belt
Fig. M1
Bottom View
LDG Belt (B)
UNLOAD
/EJECT
Cam Gear
Fig. M2
2-3-1Z12NMA
Page 62
F
1.Tape Interchangeability Alignment
Note:
To do these alignmen t proc edu re s, mak e sur e that the
Tracking Control Circuit is set to the center position
every time a tape is loaded or unloaded. (Refer to
page 2-3-4, procedure 1-C, step 2.)
Note: Before starting this Mechanical Alignment, do all
Electrical Adjustment procedures.
lowchart of Alignment for tape traveling
Loading (Use a blank tape.)
Adjust the height of the Guide Rollers
(Supply side and take-up side).
(Use a blank tape.) (pg. 2-3-3)
1-A
Check to see that the tape is not creasing
and that there is no slack on the supply
and take-up side Guide Rollers.
(Use a blank tape.)
1-A
Adjust the X Value for maximum envelope.
(pg. 2-3-3) (Use Alignment Tape.)
Adjust the envelope. (pg. 2-3-4)
Check the envelope.
OK
Adjust the Audio Section.
(Azimuth Alignment) (pg. 2-3-4)
1-B
1-C
1-C
1-D
Not good
Not good
Do the final tape-traveling test to see that
the tape runs normally in play mode without creasing or slacking.
OK
Completion
1-A
Check the audio output.
OK
Check the following:
1. X Value (pg. 2-3-3)
2. Envelope (pg. 2-3-4)
OK
1-D
1-B, 1-C
Not good
Not good
2-3-2Z12NMA
Adjust the X value and envelope.
1-B, 1-C
Page 63
1-A. Preliminary/Final Checking and
Alignment of Tape Path
Purpose:
To make sure that the tape path is well stabilized.
Symptom of Misalignment:
If the tape path is unstable, the tape will be damaged.
Note: Do not use an Alignment Tape for this proce-
dure. If the unit is not correctl y aligned, the tape may
be damaged.
1. Playba ck a blank cassette tape and check t o see
that the tape runs without creasing at Guide Rollers
[2] and [3], and at points A and B on the le ad surface. (Refer to Fig. M3 and M4.)
2. If creasing is apparent, align the height of the guide
rollers by turning the to p of Guide Rollers [2] and
[3] with a Guide Roller Adj. Screwdrive r. (Refer to
Fig. M3 and M5.)
Guide Roller [2]
A
Take-up Guide Post [4]
Lead Surface of Cylinder
Correct
Guide Roller
Tape
Guide Roller [3]
B
Tape
Incorrect
AC Head
Fig. M3
Fig. M4
3. C heck to see that the tape runs without cr ea si ng a t
Take-up Guide Post [4] or without snaking between
Guide Roller [3] and AC Head. (Fig. M3 and M5)
4. If creasing or snaking is apparent, adjust the Tilt
Adj. Screw of the AC Head. (Fig. M6)
Azimuth Adj. Screw
AC Head
X-Value Adj.
Screwdriver
Tilt Adj. Screw
Fig. M6
1-B. X Value Alignment
Purpose:
To align the Horizontal Position of the Audio/Co ntrol/
Erase Head.
Symptom of Misalignment:
If the Horizontal Position of the Audio/Control/Erase
Head is not proper ly a ligned , m ax imu m e nv el ope ca nnot be obtained at the Neutral position of the Tracking
Control Circuit.
1. Connect the oscilloscope to TP402 (ENV.) and
TP201 (CTL) on the Main CBA. Use J274 (RF-SW)
as a trigger.
2. Playback the Gray Scale of the Alignment Tape
(FL8N) and confirm that the PB FM signal is
present.
3. Set th e Tracking Control Circuit to the center position by pressing CH UP button then “ PLAY ” button
on the unit. (Refer to note on bottom of page
2-3-4.)
4. Use the X-Value Adj. Screwdriver so that the PB
FM signal at TP402 (ENV.) is maximum. (Fig. M6)
5. Press CH UP button on the unit until the CTL waveform has shifted by approx. +2msec. Make sure
that the envelope is simply attenuated (shrinks in
height) during this process so that you will know the
envelope has been at its peak.
Take-up Guide
Post
Tape
Fig. M5
2-3-3Z12NMA
Page 64
6. Press C H DOWN button on the unit until the CTL
waveform has shifted from its origi nal position (not
the position achie ved in step 5, b ut the position of
CTL waveform in step 4) by approximately -2msec.
Make sure that th e envelope is simply attenuated
(shrinks in heigh t) once CTL waveform passes its
original position and is fur ther bro ught in the minu s
direction.
7. Set the Tracking Control C ircuit to th e center position by pressing CH UP button and then “ PLAY ”
button.
1-C. Checking/Adjustment of Envelope
Waveform
Purpose:
To achieve a satisfactory picture and precise tracking.
Symptom of Misalignment:
If the envelope output is poor, noise will appear in the
picture. The tracki ng will then lose precision and the
playback picture w ill be distorted by any sligh t variation of the Tracking Control Circuit.
1. Connect the oscilloscope to TP40 2 (ENV.) on the
Main CBA. Use J274 (RF-SW) as a trigger.
2. Playback the Gray Scale on the Alignment Tape
(FL8N). Set the Tracking Control Circuit to the center position by pressing CH UP button and then “
PLAY ” button on the unit. Adjust the height of
Guide Rollers [2] and [3] (Fig. M3, Page 2-3-3)
watching the oscill oscope di splay so that the enve lope becomes as flat as possible. To do this adjustment, turn the top of the Guide Roller with the
Guide Roller Adj. Screwdriver.
3. If the env elope is as shown in Fig. M 7, adjust the
height of Guide Ro ll er [2] (Re fer to Fig. M3) s o that
the waveform looks like the one shown in Fig. M9.
4. If the env elope is as shown in Fig. M 8, adjust the
height of Guide Ro ll er [3] (Re fer to Fig. M3) s o that
the waveform looks like the one shown in Fig. M9.
5. When G uide Rollers [2] and [3] (Refer to Fi g.M3)
are aligned properly, there is no envelope drop
either at the beginning or end of track as shown in
Fig. M9.
Note: Upon completion of the adjustment of Guide
Rollers [2] and [3] (Refer to Fig. M3), check the X
Value by pushin g the CH UP or DOWN buttons al ternately, to check the symmetry of the envelope. Check
the number of pushe s to ensure cente r position. The
number of pushes CH UP button to achieve 1/2 level of
envelope should match the number of pushes CH
DOWN button from center. If required, redo the “X
Value Alignment.”
1-D. Azimuth Alignment of Audio/Con-
trol/ Erase Head
Purpose:
To correct the Azimuth alignment so that the Audio/
Control/Erase Head meets tape tracks proper ly.
Symptom of Misalignment:
If the position of the Audio/Control/Erase Head is not
properly aligned, the Audio S/N Ratio or Frequency
Response will be poor.
1. C onnect the oscilloscope to the au dio output jack
on the rear side of the deck.
2. Playback the alignment tape (FL8N) and confirm
that the audio signal output level is 8kHz.
3. Adjust Azimuth Adj. Screw so that the output level
on the AC Voltmeter or the waveform on the oscilloscope is at maximum. (Fig. M6)
Dropping envelope level at the beginning of track.
Fig. M7
Dropping envelope level at the end of track.
Fig. M8
Envelope is adjusted properly. (No envelope drop)
Fig. M9
2-3-4Z12NMA
Page 65
DISASSEMBLY/ASSEMBLY PROCEDURES
OF DECK MECHANISM
Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to
CABINET DISASSEMBLY INSTRUCTIONS on page 1-6-1.)
All the following proc edures, including those for adjustment and replacement of parts, should be done in Ejec t
mode; see the positions of [41] and [42] in Fig.DM1 on page 2-4-3. When reassembling, follow the steps in reverse
order.
[9][9]AC Head AssemblyTDM1,DM7(S-4)
[10][2]Tape Guide Arm Assembly TDM1,DM8*(P-2)
[11][10]C Door Opener TDM1,DM8*(L-4)
[12][11]Pinch Arm (B)TDM1,DM8*(P-3)
[13][12]Pinch Arm AssemblyTDM1,DM8
[14][14]FE Head AssemblyTDM1,DM9(S-5)
[15][15]PrismTDM1,DM9(S-6)
[16][2],[15]Sensor GearTDM1,DM15
[17][2]Slider ShaftTDM10*(L-5)
[18][17]C Drive Lever (SP)TDM10
[19][17]C Drive Lever (TU)TDM10(S-7),*(P-4)
(1): Follow steps in sequence. When reassembling, follow the steps in reverse order.
These numbers are also used as identification (location) No. of parts in the figures.
(2): Indicates the part to start disassembling with in order to disassemble the part in column (1).
(3):Name of the part
(4): Location of the part: T=Top B=Bottom R=Right L=Left
(5): Figure Number
(6): Identification of parts to be removed, unhooked, unlocked, released, unplugged, unclamped, or desoldered.
e.g., 2(L-2) = two Locking Tabs (L-2).
(7): Adjustment Information for Installation
(+):Refer to Deck Exploded Views for lubrication.
.
2-4-2Z12NDA
Page 67
T op View
[14]
[36]
[35]
[42][41][43][9]
[7][46][8]
[13]
[11]
[15]
[10]
[12]
[34]
Bottom View
[26]
[27]
[23]
[28]
[20]
[29]
[30][40][16] [39][38]
Fig. DM1
[33]
[32]
[24]
[25]
[31][21][22]
Fig. DM2
2-4-3Z12NDA
Page 68
(S-1)
[1]
(S-1)
Fig. DM3
[7]
(L-1)
[3]
[6]
(L-2)
(P-1)
[46]
[4]
(L-3)
[5]
Fig. DM5
Pin D
Pin C
Slots B
First, while pushing the locking tab as
shown at right, slide and pull up the right
side on [2] to release Pin A and Pin B from
the slots A.
Then, remove Pin C and Pin D on [2] from
the slots B as shown.
[2]
Pin A
Locking tab
2
Pull up
A
1
Slide
Pin B
Slot A
Slot A
View for A
Fig. DM4
Desolder
from bottom
(S-2)
View for A
[47]
(L-14)
A
Lead with
Red Stripe
Fig. DM6
2-4-4Z12NDA
Page 69
[9]
)
)
(S-4)
[8]
A
[14]
(S-5)
[16]
(S-6)
[15]
(S-3)
Adj. Screw
[13]
LDG
Belt
Desolder
from bottom
Lead with White Stripe
View for A
[8]
Fig. DM7
[11]
(L-4)
(P-3)
[12]
[10]
Fig. DM9
[18]
(L-5)
[17]
[19]
(P-4
(P-2
Pin of [12]
View for A
Pin of [10]
Groove of [28]
[28]
A
When reassembling [10] and
[12], confirm that pin of [10]
and pin of [12] are in the
groove of [28] as shown.
Fig. DM8
(S-7)
Fig. DM10
2-4-5Z12NDA
Page 70
1
Cap Belt
]
[20]
(S-8)
[23]
(C-4)
(P-5)
(P-5)
[22]
(L-6)
(C-1)
[21
Fig. DM1
Pin on
bottom
of [23]
[28]
When installing [23], install
the spring (P-5) to [28] as
shown in the left figure, and
then install [23] while
pressing the spring (P-5) to
the direction of the arrow in
the left figure and confirming
that the position of the
spring (P-5) is placed as
shown in the left figure.
[23]
T op Vie w
Pin on [22]
[28]
Position of pin on [22]
Fig. DM12
2-4-6Z12NDA
Page 71
[25]
)
(C-3)
[31]
(P-6)
Refer to the Alignment
Section, Page 2-4-9.
(L-10)
[27]
[28]
Pin of [34]
(S-9)
(L-8)
[26]
(L-9)
Position of Mode Lever when installed
Pin of [31]
Pin of [35]
(C-2)
[24]
[30]
[29]
(L-11)
[40]
[36]
[33]
[32]
Fig. DM14
Break belt
(P-7
[34]
Bottom View
[28]
T op Vie w
Align [25] and [28] as shown.
First groove on [28]
First tooth on [44]
[28]
When reassembling [28],
align the first groove on
[28] to the first tooth on
[44] as shown.
[25]
Fig. DM13
(P-8)
[35]
[37]
turn
turn
(L-12)
[39]
turn
[38]
Fig. DM15
2-4-7Z12NDA
Page 72
[41]
[42]
[43]
(L-13)
Fig. DM16
(P-9)
[45]
[44]
Slide
Fig. DM17
2-4-8Z12NDA
Page 73
ALIGNMENT PROCEDURES OF MECHANISM
2
The following procedures describe how to align the
individual gears and levers that make up the tape
loading/unloading mechanism. Since information
about the state of the mechanism is provided to the
System Control Circuit on ly through the Mode Switch,
it is essential that the correct relationship between
individual gears and levers be maintained.
All alignments are to be performed with the mechanism in Eject mode, in the sequenc e given. Each
procedure assumes th at all pr evious pro cedures hav e
been completed.
IMPORTANT:
If any one of these alignments is not performed
properly, even if off by only one tooth, the unit will
unload or stop and i t may result in damage to the
mechanical or electrical parts.
Alignment points in Eject Position
T op View
Alignment 3
Alignment 1
Loading Arm (SP) and (TU) Assembly
Install Loading Arm (SP) and (TU) Assembly so
that their triangle marks point to each other as
shown in Fig. AL2.
Alignment 2
Mode Gear
Keeping the two triangles pointing at each ot her,
install the Loading Arm (TU) A ssembl y so tha t the
last tooth of the gear meets the most i nside teeth
of the Mode Gear. See Fig. AL2.
Alignment 1
Triangle Marks
Loading Arm
(SP) Assembly
Last T ooth
Alignment 2
Loading Arm
(TU) Assembly
Most inside teeth
of Mode Gear
Mode Gear
Fig. AL2
Bottom View
Alignment 1
Alignment
Fig. AL1
Alignment 3
Cam Gear (A), Rack Assembly
Install the Rack Assemb ly s o that the first tooth on
the gear of the Rack Assembly meets the first
groove on the Cam Gear (A) as shown in Fig. AL3.
See Electrical Parts List
for parts with this mark.
V501-3
V501-2
L1
L1
L1
L1
B5
A3
A2
A1-1
A1-4
A1-2
A1X
A1-3
A1-6
A1-5
B2
B2
B2
B2
B1
B4
B4
A4
L4
L4
B11
CL802
SP801
L2
TL1
TL1
TL1
TL1
TB26
TB9
1B1
TL2
TL18
TL2
TL2
TL14
TB3
TB1
TB10
TB21
TB7
B3
TB2
TB24
TL3
TL3
CRT CBA
MAIN CBA
W601
SCOTCH
TAPE #880
V501
DG601
L551
TL1
TL1
TL1
TL17
L
7
L7
SENSOR CBA
SENSOR CBA
TB22
CLN551
CLN552
Page 76
Packing
3
T
X3
X2
APE
X4
X7
S2
X1
S14
FRONT
S
S6
TAPE
S3
S4
S15
(EWC1903 only)
S1
3-1-3T7400PEX
Page 77
DECK EXPLODED VIEWS
Deck Mechanism View 1
B2
B9
L1191
B73
B10
L1053
B411
B567
L1467
B494
MarkDescription
Floil G-684G or Multemp MH-D
SLIDUS OIL #150
B35
B553
(Blue grease)
B12
B11
B571
L1450
B492
B74
L1051
B37
B410
L1450
B426
B121
Chassis Assembly
Top View (Lubricating Point)
B501
B560
L1466
B126
B8
Some Ref. Numbers are not in sequence.
Chassis Assembly
Bottom View (Lubricating Point)
3-1-4Z12NDEX
Page 78
Deck Mechanism View 2
B487
B499
B508
B414
B587
B573
B416
B574
B564
B591
B590
B521
B520
MarkDescription
Floil G-684G or Multemp MH-D
(Blue grease)
SLIDUS OIL #150
SANKOUL FG84M (Yellow grease)
B148
B592
B522
B31
L1406
B3
B558
B557
B565
View for A
(Grease point)
B568
A
B417
B134
B559
B516
B133
B507
B569
B488
B491
B570
B502
B513
L1151
Bottom Side
(Grease point)
B525
B52
Some Ref. Numbers are not in sequence.
Bottom Side (Grease point)
3-1-5Z12NDEX
Page 79
Deck Mechanism View 3
L1321
B355
B347
L1321
B354
MarkDescription
Floil G-684G or Multemp MH-D
SLIDUS OIL #150
B483
(Blue grease)
B562
B482
B563
B425
B300
B313
B529
B360
B359
B361
Some Ref. Numbers are not in sequence.
B555
B561
B303
B514
3-1-6Z12NDEX
Page 80
MECHANICAL PARTS LIST
PRODUCT SAFETY NOTE: Products marked with a
# have special characteristics important to safety.
Before replacing any of these compone nts, read carefully the product safety notice in this service manual.
Don't degrade the safety of the product through
improper servicing.
NOTE:
Parts that are not assign ed part numbers (---------) are
not available.
1. V501 (CRT) HAS COUPLE OF SUBSTITUTIONAL P ARTS AND EACH P AR TS
ALSO HAS MATCHING COMBINA TION WITH L551.
PLEASE SEE TABLE 1 FOR DET AI LS OF MA TCHING COMBINA TION.
2. L551 (DEFLECTION YOKE) HAS MATCHING COMBINATION WITH V501.
PLEASE SEE TABLE 1 FOR DET AI LS OF MA TCHING COMBINA TION.
N0150UD or
AREMOTE CONTROL 512/ERC001/
N0107UD
N0162UD or
BREMOTE CONTROL 512/ERC001/
N0159UD
DRY BA TTER Y R6P(AR)2PX orXB0M451HU002
DRY BATT ERY R6P(AR)2P X ICI orXB0M451HU003
DRY BATTER Y(SUNRISE) R6SSE/2S or XB0M451MS002
DRY BATT ERY R6P/2SXB0M451T0001
N0150UD
N0107UD
N0162UD
N0159UD
CRT TYPE A
V501#CRT A48AKH13X01 KTCRT190CP043
CRT TYPE B
L551#DEFLECTION YOKE KDY3MDD74XLLBY00ZMS024
V501#CRT A48AKH13XTCRT190CP044
V501-1C.P.MAGNET JH225-014 o rXM04000 BV009
Note 1: Purity and Convergence Adjus tments must be
performed following C RT replacement. Refe r to Electr ical Adjustment Instructions.
Note 2: Please confirm CRT Type No. on the CRT
Warning Label which is locate d on the CRT. Then See
the Table 1 for V501 and L551 combination chart.
Please refer this CRT, Deflection Yoke combination
chart for parts order.
V501: CRT Type No. V501: CRT Part No.
CRT A48AKH13X 01 KTCRT190CP043----------
CRT A48AKH13 XTCRT190CP044LLBY0 0ZMS024
CRT A48L VL 095XTCRT190MS011
CRT A48JLL90 XTCRT190QS009
CRT A48LRH93X(W)TCRT190P7002
CRT A48LGS30XTCRT190THA01LLBY00ZTHA01
CRT A48LRH93X(W)DTCRT190PTD01
L551: Deflection
Yoke Part No.
LLBY00ZSY008
LLBY00ZMS019
LLBY00ZSY006
LLBY00ZQS004
LLBY00ZSY007
LLBY00ZQS005
LLBY00ZSM007
LLBY00ZQS005
LLBY00ZSM007
200301203-2-2T7401CA
Page 82
ELECTRICAL PARTS LIST
PRODUCT SAFETY NOTE: Products marked with a
# have special characteristics important to safety.
Before replacing any of these compone nts, read carefully the product safety notice in this service manual.
Don't degrade the safety of the product through
improper servicing.
NOTES:
1.P arts that are not assi gned part numbers (------- --)
are not available.
2.Tolerance of Capacitors and Resistors are noted
with the following symbols.
C.....±0.25%D.....±0.5%F.....±1%
G.....±2%J......±5%K.....±10%
M.....±20%N.....±30%Z.....+80/-20%
MMA CBA
Ref. No.DescriptionPart No.
MMA CBA 0ESA05151
Consists of the following
MAIN CBA
Ref. No.DescriptionPart No.
MAIN CBA
C005ELECTROLYTIC CAP. 220µF/16V M orCE1CMASDL221
C007CHIP CERAMIC CAP . B K 0.01µF/50VCHD1JKB0B103
C008ELECTROLYTIC CAP. 10µF/50V M orCE1JMASDL100
C032CHIP CERAMIC CAP .(MELF) F Z 0.01µF/ 16VCZM1CZB 0F103
C033CERAMIC CAP.(AX) F Z 0 . 01µF/25VCCA1EZTFZ103
C035CERAMIC CAP .(AX) CH J 15pF/50VCCA1JJTCH150
C036CHIP CERAMIC CAP . B K 220pF/50VCHD1JKB0B221
C037CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C039ELECTROLYTIC CAP. 1µF/50V M H7CE1JMAVSL1R0
C040CHIP CERAMIC CAP . B K 0.01µF/50VCHD1JKB0B103
C042CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C043CHIP CERAMIC CAP. F Z 0. 022µF/50VCHD1JZB0F223
C044CHIP CERAMIC CAP .(MELF) F Z 0.01µF/ 16VCZM1CZB 0F103
C046CERAMIC CAP.(AX) F Z 0 . 01µF/25VCCA1EZTFZ103
C047CHIP CERAMIC CAP . B K 0.01µF/50VCHD1JKB0B103
C048ELECTROLYTIC CAP. 47µF/50V M orCE1JMASDL470
C049CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C052CHIP CERAMIC CAP . B K 0.047µF/50VCHD1JKB0B473
C053CHIP CERAMIC CAP . B K 0.047µF/50VCHD1JKB0B473
C054CERAMIC CAP .(AX) Y M 0.01µF/16VCCA1CMT0Y103
C203CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
MAIN CBA
CRT CBA
SENSOR CBA
Consists of the following
------------
-----------0ESA04524
------------
CAPACITORS
ELECTROLYTIC CAP. 220µF/16V MCE1CMASTL221
ELECTROLYTIC CAP. 10µF/50V MCE1JMASTL100
ELECTROLYTIC CAP. 47µF/50V MCE1JMASTL470
Ref. No.DescriptionPart No.
C207ELECTROLYTIC CAP . 47µF/25V M H7CE1EMAVSL470
C208ELECTROLYTIC CAP . 47µF/6.3V M H7CE0KMA VSL 470
C210CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C211CERAMIC CAP.(AX) F Z 0.01µF/25VCCA1EZTFZ103
C212CHIP CERAMIC CAP.(MELF) SL J 22pF/50VCZM1JJBSL220
C213CHIP CERAMIC CAP.(MELF) SL J 22pF/50VCZM1JJBSL220
C214ELECTROLYTIC CAP . 220µF/10V M H7CE1AMAVSL221
C216CERAMIC CAP.(AX) Y M 0.01µF/16 VCCA1CMT0Y103
C217CHIP CERAMIC CAP.(MELF) SL D 10pF/50VCZM1JDBSL100
C218CHIP CERAMIC CAP.(MELF) SL J 15pF/50VCZM1JJBSL150
C219CHIP CERAMIC CAP. B K 0.01µF/50VCHD1JKB0B103
C220ELECTROLYTIC CAP . 220µF/10V M H7CE1AMAVSL221
C221CHIP CERAMIC CAP.(MELF) F Z 0.01µF/16VCZM1CZB0F103
C222CHIP CERAMIC CAP.(MELF) Y K 2200pF/35VCZM1GKB0Y222
C223CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C224CHIP CERAMIC CAP.(MELF) Y K 1000pF/35VCZM1GKB0Y102
C225CHIP CERAMIC CAP.(MELF) W K 560pF/50VCZM1JKB0B561
C231CHIP CERAMIC CAP. CH J 100pF/50VCHD1JJBCH101
C232CHIP CERAMIC CAP. CH J 100pF/50VCHD1JJBCH101
C233CHIP CERAMIC CAP. B K 0.01µF/50VCHD1JKB0B103
C235CERAMIC CAP.(AX) X K 4700pF/16VCCA1CKT0X472
C236CERAMIC CAP.(AX) F Z 0.047µF/16VCCA1CZTFZ473
C238CHIP CERAMIC CAP.(MELF) Y K 1000pF/35VCZM1GKB0Y102
C239ELECTROLYTIC CAP . 22µF/50V M orCE1JMASDL220
ELECTROLYTIC CAP. 22µF/50V MCE1JMASTL220
C240CERAMIC CAP.(AX) B J 560pF/50VCCA1JJT0B561
C241CHIP CERAMIC CAP. B K 4700pF/50VCHD1JKB0B472
C243ELECTROLYTIC CAP . 22µF/16V M LL orCE1CMASLL220
ELECTROLYTIC CAP. 22µF/16V M LLCE1CMASLH220
C245ELECTROLYTIC CAP . 220µF/16V M orCE1CMAS DL221
ELECTROLYTIC CAP. 220µF/16V MCE1CMASTL221
C247ELECTROLYTIC CAP . 220µF/16V M orCE1CMAS DL221
ELECTROLYTIC CAP. 220µF/16V MCE1CMASTL221
C252ELECTROLYTIC CAP . 100µF/16V M H7CE1CMAVSL101
C253ELECTROLYTIC CAP . 100µF/6.3V M orCE0KMASDL101
ELECTROLYTIC CAP. 100µF/6.3V MCE0KMASTL101
C254ELECTROLYTIC CAP . 47µF/35V M orCE1GMASDL470
ELECTROLYTIC CAP. 47µF/35V MCE1GMASTL470
C257CHIP CERAMIC CAP.(MELF) Y K 1000pF/35VCZM1GKB0Y102
C301CHIP CERAMIC CAP.(MELF) F Z 0.01µF/16VCZM1CZB0F103
C302CHIP CERAMIC CAP. CH J 33pF/50VCHD1JJBCH330
C303CHIP CERAMIC CAP. CH J 33pF/50VCHD1JJBCH330
C304CHIP CERAMIC CAP. CH J 33pF/50VCHD1JJBCH330
C309CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C310CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C314CHIP CERAMIC CAP. B K 0.01µF/50VCHD1JKB0B103
C315CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C316CHIP CERAMIC CAP. F Z 2.2µF/6.3VCHD1KZB0F225
C317CHIP CERAMIC CAP.(MELF) F Z 0.01µF/16VCZM1CZB0F103
C319CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C320CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C321ELECTROLYTIC CAP . 220µF/10V M H7CE1AMAVSL221
C322CHIP CERAMIC CAP.(MELF) F Z 0.01µF/16VCZM1CZB0F103
C323CHIP CERAMIC CAP. F Z 2.2µF/6.3VCHD1KZB0F225
C324CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C325CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C326CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
200301203-3-1T7401EL
Page 83
Ref. No.DescriptionPart No.
C327ELECTROLYTIC CAP. 100µF/10V M H7CE1AMAVSL101
C330CHIP CERAMIC CAP .(MELF) F Z 0.01µF/ 16VCZM1CZB 0F103
C331ELECTROLYTIC CAP. 220µF/10V M H7CE1AMAVSL221
C336ELECTROLYTIC CAP. 1µF/50V M H7CE1JMAVSL1R0
C337CHIP CERAMIC CAP . B K 0.01µF/50VCHD1JKB0B103
C338CHIP CERAMIC CAP. F Z 2. 2µF/6.3VCHD1KZB0F225
C339CHIP CERAMIC CAP . B K 0.01µF/50VCHD1JKB0B103
C340CHIP CERAMIC CAP. CH J 47pF/50VCHD1JJBCH470
C342ELECTROLYTIC CAP. 220µF/10V M H7CE1AMAVSL221
C351ELECTROLYTIC CAP. 220µF/10V M H7CE1AMAVSL221
C352ELECTROLYTIC CAP. 220µF/10V M H7CE1AMAVSL221
C410ELECTROLYTIC CAP. 1µF/50V M H7CE1JMAVSL1R0
C411ELECTROLYTIC CAP. 100µF/10V M H7CE1AMAVSL101
C412CHIP CERAMIC CAP .(MELF) F Z 0.01µF/ 16VCZM1CZB 0F103
C413CHIP CERAMIC CAP.(MELF) W K 390pF/50VCZM1JKB0B391
C414CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C416CHIP CERAMIC CAP.(MELF) B K 180pF/50VCZM1JKB0B181
C417CHIP CERAMIC CAP .(MELF) SL J 22pF/50VCZM1JJBSL220
C418PCB JUMPER D0.6-P5.0JW5.0T
C420ELECTROLYTIC CAP. 22µF/16V M H7CE1CMA VSL220
C421ELECTROLYTIC CAP. 4.7µF/50V M H7CE1JMAVSL4R7
C423ELECTROLYTIC CAP. 4.7µF/50V M H7CE1JMAVSL4R7
C424CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C425CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C426ELECTROLYTIC CAP. 22µF/16V M H7CE1CMA VSL220
C427CERAMIC CAP.(AX) B K 0.01µF/50VCA1J103TU0 11
C428CHIP CERAMIC CAP .(MELF) F Z 0.01µF/ 16VCZM1CZB 0F103
C429ELECTROLYTIC CAP. 47µF/6.3V M H7CE0KMAVSL470
C430CHIP CERAMIC CAP. F Z 0. 022µF/50VCHD1JZB0F223
C431CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C434CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C435ELECTROLYTIC CAP. 2.2µF/50V M H7CE1JMAVSL2R2
C436CHIP CERAMIC CAP . B K 3900pF/50VCHD1JKB0B392
C438CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C439CHIP CERAMIC CAP . B K 0.01µF/50VCHD1JKB0B103
C440CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C441CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C442CHIP CERAMIC CAP . B K 0.047µF/50VCHD1JKB0B473
C443CHIP CERAMIC CAP . B K 0.047µF/50VCHD1JKB0B473
C444ELECTROLYTIC CAP. 22µF/16V M H7CE1CMA VSL220
C445CHIP CERAMIC CAP . B K 0.01µF/50VCHD1JKB0B103
C446CHIP CERAMIC CAP. F Z 1µF/10VCHD1AZB0F105
C447CHIP CERAMIC CAP . B K 0.01µF/50VCHD1JKB0B103
C448CERAMIC CAP.(AX) B K 0.01µF/50VCA1J103TU0 11
C449CHIP CERAMIC CAP . B K 0.01µF/50VCHD1JKB0B103
C450CHIP CERAMIC CAP. CH J 100pF/50VCHD1JJBCH101
C552MYLAR CAP . 0.22µF/ 50V J orCMA1JJS00224
FILM CAP.(P) 0.22µF/50V JCA1J224MS029
C553ELECTROLYTIC CAP. 2.2µF/50V M LL orCE1JMASLL2R2
ELECTROLYTIC CAP. 2.2µF/50V LLCE1JMASLH2R2
C555ELECTROLYTIC CAP. 47µF/35V M orCE1GMASDL470
ELECTROLYTIC CAP. 47µF/35V MCE1GMASTL470
C556ELECTROLYTIC CAP . 1000µF/25V M orCE1EMZPDL102
ELECTROLYTIC CAP. 1000µF/25V MCE1EMZPTL102
C558CERAMIC CAP.(AX) B K 0.01µF/50VCA1J103TU0 11
C559ELECTROLYTIC CAP. 330µF/35V M orCE1GMZPDL331
FILM CAP.(P) 0.01µF/50V JCA1J103MS029
C572P.P.CAP 0.47µF/200 J orCA2D474VC012
PP CAP. 0.47µF/250V JCT2E474MS041
Ref. No.DescriptionPart No.
C574#ELECTROLYTIC CAP . 4.7µF/250V M orCE2EMASDL4R7
#ELECTROLYT IC CAP. 4.7µF/250V MCE2EMASTL4R7
C577FILM CAP.(P) 0.022µF/50V J orCMA1JJS00223
FILM CAP.(P) 0.022µF/50V JCA1J223MS029
C578ELECTROLYTIC CAP . 47µF/35V M orCE1GMASDL470
ELECTROLYTIC CAP. 47µF/35V MCE1GMASTL470
C58 0P.P.CAP 0.01µF/1.6KV J orCA3C103VC011
PP CAP . 0.01µF/1.6KV J orCT3C103MS039
PP CAP . 0.01µF/1.6KV JCBH3CJQ00103
C581#CERAMIC CAP. BN 1000pF/2KV orCCD3DKA0B102
#CERAMIC CAP. LB 1000pF/2KV orCA3D102KG004
#CERAMIC CAP . 1000pF/2KVCA3D102PAN04C584#ELECTROLYTIC CAP . 1µF/160V M orCE2CMASDL1R0
#ELECTROLYT IC CAP. 1µF/160V MCE2CMASTL010
C591ELECTROLYTIC CAP . 1µF/50V M H7CE1JMAVSL1R0
C592ELECTROLYTIC CAP . 4.7µF/50V M H7CE1JMAVSL4R7
C593ELECTROLYTIC CAP . 2.2µF/50V M orCE1JMASDL2R2
ELECTROLYTIC CAP. 2.2µF/50V MCE1JMASTL2R2
C594ELECTROLYTIC CAP . 47µF/160V M W/F orCE2CMZNDL470
ELECTROLYTIC CAP. 47µF/160V M W/FCE2CMZNTL470
C602#SAFETY CAP . 47 00pF/2 50V KXCA2E472MR050
C605#METALLIZED FILM CAP . 0.1µF/ 250V orCT2E104MS037
#FILM CAP.(MP) 0.1µF/250V K orCT2E104DC011
#METALLIZED FILM CAP. 0.1µF/275V KCT2E104HJE06
C606CERAMIC CAP. F Z 0.01µF/500V orCCD2JZP0F103
CERAMIC CAP . 0.01µF /AC250VCCD2EZA0F103
C607CERAMIC CAP. F Z 0.01µF/500V orCCD2JZP0F103
CERAMIC CAP . 0.01µF /AC250VCCD2EZA0F103
C610ELECTROLYTIC CAP . 220µF/200V SL X orCA2D221S6003
CERAMIC CAP . 680pF/2KVCA3D681PAN04
C612FILM CAP.(P) 0.033µF/50V J orCMA1JJS00333
FILM CAP.(P) 0.033µF/50V JCA1J333MS029
C613FILM CAP.(P) 0.0012µF/50V J orCMA1JJS00122
FILM CAP.(P) 0.0012µF/50V JCA1J122MS029
C614FILM CAP.(P) 0.082µF/50V J orCMA1JJS00823
FILM CAP.(P) 0.082µF/50V JCA1J823MS029
C615CERAMIC CAP. BN 820pF/2KV orCCD3DKA0B821
CERAMIC CAP. LB 820pF/2KV orCA3D821KG004
CERAMIC CAP . 820pF/2KVCA3D821PAN04
C616#ELECTROLYTIC CAP . 100µF/160V M orCE2CMZPDL1 01
#ELECTROLYT IC CAP. 100µF/160V M orCE2CMZPTL101
#ELECTROLYT IC CAP. 100µF/160V M W/FCE2CMZNTL101C617#ELECTROLYTIC CAP . 470µF/35V M orCE1GMZP DL471
#ELECTROLYT IC CAP. 470µF/35V MCE1GMZPTL471C618#ELECTROLYTIC CAP . 1000µF/16V M orCE1CMZPDL1 02
#ELECTROLYT IC CAP. 1000µF/16V MCE1CMZPTL102
C619ELECTROLYTIC CAP . 470µF/16V M orCE1CMAS DL471
ELECTROLYTIC CAP. 470µF/16V MCE1CMASTL471
C620#ELECTROLYTIC CAP . 1000µF/16V M orCE1CMZPDL1 02#ELECTROLYT IC CAP. 1000µF/16V MCE1CMZPTL102
C622CERAMIC CAP.(AX) B K 220pF/50VCCA1JKT0B221
C624CHIP CERAMIC CAP. B K 0.01µF/50VCHD1JKB0B103
C625ELECTROLYTIC CAP . 1µF/50V M orCE1JMASDL1R0
ELECTROLYTIC CAP. 1µF/50V M orCE1JMASDL010
ELECTROLYTIC CAP. 1µF/50V MCE1JMASTL1R0
C626ELECTROLYTIC CAP . 4.7µF/50V M H7CE1JMAVSL4R7
C628ELECTROLYTIC CAP . 10µF/50V M orCE1JMASDL100
ELECTROLYTIC CAP. 10µF/50V MCE1JMASTL100
200301203-3-2T7401EL
Page 84
Ref. No.DescriptionPart No.
C629ELECTROLYTIC CAP. 47µF/35V M orCE1GMASDL470
ELECTROLYTIC CAP. 47µF/35V MCE1GMASTL470
C630ELECTROLYTIC CAP. 100µF/10V M orCE1AMASDL101
ELECTROLYTIC CAP. 100µF/10V MCE1AMASTL101
C631ELECTROLYTIC CAP. 220µF/6.3V M orCE0KMASDL221
ELECTROLYTIC CAP. 220µF/6.3V MCE0KMASTL221
C632ELECTROLYTIC CAP. 100µF/16V M H7CE1CMAVSL101
C633ELECTROLYTIC CAP. 47µF/25V M H7CE1EMAVSL470
C634ELECTROLYTIC CAP. 100µF/16V M H7CE1CMAVSL101
C635ELECTROLYTIC CAP. 47µF/35V M orCE1GMASDL470
ELECTROLYTIC CAP. 47µF/35V MCE1GMASTL470
C636CHIP CERAMIC CAP. F Z 0. 1µF/50VCHD1JZB0F104
C639CERAMIC CAP. B K 220pF/500VCCD2JKS0B221
C641CHIP CERAMIC CAP. CH J 100pF/50VCHD1JJBCH101
C648ELECTROLYTIC CAP. 22µF/16V M H7CE1CMA VSL220
C801ELECTROLYTIC CAP. 220µF/16V M H7CE1CMASSL221
C802ELECTROLYTIC CAP. 470µF/16V M orCE1CMASDL471
ELECTROLYTIC CAP. 470µF/16V MCE1CMASTL471
C803ELECTROLYTIC CAP. 10µF/50V M H7CE1JMA VSL100
C804ELECTROLYTIC CAP. 0.22µF/50V M H7CE1JMA VSLR22
C805CHIP CERAMIC CAP . B K 4700pF/50VCHD1JKB0B472
C853CERAMIC CAP.(AX) F Z 0 . 1µF/50VCCA1JZTFZ104
C854ELECTROLYTIC CAP. 22µF/16V M H7CE1CMA VSL220
C856CHIP CERAMIC CAP. F Z 0. 1µF/50VCHD1JZB0F104
C857ELECTROLYTIC CAP. 33µF/6.3V M H7CE0KMAVSL330
C858ELECTROLYTIC CAP. 4.7µF/50V M H7CE1JMAVSL4R7
C859CERAMIC CAP.(AX) F Z 0 . 1µF/50VCCA1JZTFZ104
C860CHIP CERAMIC CAP.(MELF) Y K 1000pF/35VCZM1GKB0Y102
C862CHIP CERAMIC CAP . B K 0.01µF/50VCHD1JKB0B103
C863ELECTROLYTIC CAP. 4.7µF/50V M H7CE1JMAVSL4R7
C865CHIP CERAMIC CAP . B K 1200pF/50VCHD1JKB0B122
C866CHIP CERAMIC CAP . B K 2700pF/50VCHD1JKB0B272
C872ELECTROLYTIC CAP. 47µF/6.3V M H7CE0KMAVSL470
C873ELECTROLYTIC CAP. 100µF/16V M H7CE1CMAVSL101
C874CERAMIC CAP. B K 470pF/100V orCCD2AKS0B471
CERAMIC CAP . B K 470pF/500VCCD2JKS0B471
C875FILM CAP.(P) 0.018µF/100V J orCMA2AJS00183
IC301#VCD IC M61275FPQSZAA0RMB133
IC401IC:Y/C/A LA71091MQSZBA0RSY012
IC551#VERTICAL OUTPUT IC AN5522 orQSZBA0SMS002
#VERTICAL OUTPUT IC L A78040AQSBBA0SSY003
IC601#PHOTOCOUPLER LTV-817B-F orNPEB0L TV817F
#PHOTOCOUPLER LTV-817C-F orNPEC0LTV817F
#PHOTO COUPLER PC817X6QPE600PC817XIC602#VOLTAGE REGULA T OR KIA7805API orNSBBA0SJY011
#VOLTAGE REGULATOR KA7805A orNSZBA0SF3052
#IC:VOLT AGE REGULAT OR AN7805FAN7805F
ELECTROLYTIC CAP. 1µF/50V MCE1JMAST L1R0
C511CHIP CERAMIC CAP. B K 470pF/50VCHD1JKB0B471
C521CHIP CERAMIC CAP. B K 470pF/50VCHD1JKB0B471
C531CHIP CERAMIC CAP. B K 470pF/50VCHD1JKB0B471
B2CYLINDER ASSEMBLY MK12 NTSC 2HDN1628CYL
B3LOADING MOTOR ASSEMBLY MK1 1 TVCR0VSA13465
B8PULLEY ASSEMBLY MK120VSA13500
B9MOVING GUIDE S PREPARATION MK120VSA13560
B10MOVING GUIDE T PREPARATI ON MK120VSA13562
B11LOADING ARM(TU) ASSEMBLY MK120VSA13300
B12LOADING ARM(SP) ASSEMBLY MK120VSA13299
B31AC HEAD ASSEMBLY MK12(TVCR)0VSA13517
B35TAPE GUIDE ARM ASSEMBLY MK120VSA13277
B37CAPSTAN MOTOR 288/VCCM012N9670CML
B52CAP BELT MK100VM411138
B73FE HEAD ASSEMBLY MK11 orN9742FEL
FE HEAD ASSEMBLY MK1 1 orN9743FEL
FE HEAD(MK11) MH-131SF11 orDHVEC01Z0005
FE HEAD(MK11) VTR-1X2ERS11-148 orDHVEC01TE004
FE HEAD(MK12) VTR-1X2ERS1 1-155 o rDHVEC01TE005
FE HEAD(MK12) HVFHP0047ADHVEC01AL007
B74PRISM MK100VM202870
B121WORM MK120VM414091
B126PULLEY MK120VM414330
B133IDLER GEAR MK120VM305738
B134IDLER ARM MK120VM305739
B148TG CAP MK110VM412972
B300C DRIVE LEVER(TU) MK120VM203773
B303F DOOR OPENER MK120VM203751
B313C DRIVE SPRING MK120VM414145
B347GUIDE HOLDER A MK100VM304920
B354SLIDER(TU) MK120VM101 172
B355SLIDER(SP) MK120VM101182
B359CLEANER LEVER MK100VM304413
B360CLEANER ROLLER MK90VM410032C
B361CL POST MK100VM411114
B410PINCH ARM ASSEMBLY(1) MK12 or0VSA13285
PINCH ARM ASSEMBLY(3) MK12 or0VSA13288
PINCH ARM(A) ASSEMBL Y(4) M K120VSA13572
B411PINCH SPRING MK120VM414644
B414M BRAKE(SP) ASSEMBL Y MK120VSA13282
B416M BRAKE(TU) ASSEMBL Y MK120VSA13283
B417TENSION SPG(360261) MK120VM414221
B425LOCK LEVER SPRING MK100VM411110
B426KICK PULLEY MK100VM411095
B482CASSETTE PLA TE MK120VM203749
B483LOCK LEVER MK120VM414095
B487BAND BRAKE(SP) MK120VM305723
B488MODE LEVER MK120VM101173
B491CAM GEAR(A) MK120VM101174
B492MODE GEAR MK120VM203769
B494C DOOR OPENER MK120VM305719
B499T LEVER HOLDER MK120VM305729
B501WORM HOLDER MK120VM203767
B502CAM GEAR(B) MK120VM305721
B507REEL WASHER MK9 5*2.1* 0.50VM410058
B508S BRAKE SPRING MK100VM411121
B514SCREW RACK MK100VM41 1535
B516REEL WASHER MK9 5*2.1* 0.50VM410058
DescriptionPart No.
Ref.
No
B520TU BRAKE SPRING MK120VM414285
B521REV BRAKE SPRING MK120VM414222
B522TG POST ASSEMBL Y MK1 10VSA12080
B525LDG BELT MK 110V M412 804
B529CLEANER ASSEMBLY MK1 00VSA11161
B553REV SPRING MK1 10VM412555
B555RACK ASSEMBL Y MK120VSA13289
B557MOTOR PULLEY U50VM403205A
B558LOADING MOTOR MDB2B82 orMMDZB10SJ001
LOADING MOTOR MDB2B80MMDZB12SJ008
B559CLUTCH ASSEMBLY MK1 20VSA13284
B560KICK SPRING MK100VM411475A
B561F DOOR SPRING MK100VM411430
B562C DRIVE LEVER(SP) MK120VM203772
B563SLIDER SHAFT MK120VM305762
B564M GEAR MK120VM305735
B565SENSOR GEAR MK120VM305736
B567PINCH ARM(B) MK120VM305718
B568BT ARM MK120VM305728
B569CAM HOLDER(F) MK120VM305722
B570CAM RACK SPRIN G(HI) MK110VM41292 3
B571P .S.W CUT 1.6X4.0X0.5T0VM408485A
B573REEL(SP)(D2) MK120VM203755
B574REEL(TU)(D2) MK120VM203756
B587TENSION LEVER ASSEMBL Y MK120VSA13279
B589TENSION LEVER MK120VM305727
B590BRAKE ARM(TU) MK120VM203752
B591BAND BRAKE(TU) MK120VM305724
B592TG POST MK1 10VM412550
B594M BRAKE S MK120VM203753
L1051SCREW, B-TIGHT M2.6X6 PAN HEAD+GPMB9060
L1053SCREW, S-TIGHT M2.6X8 W ASHER HEAD+GCMS9080
L1151SCREW, SEMS M3X4 P AN HEAD +CPM33040
L1191SCREW, S-TIGHT M2.6X8 W ASHER HEAD+GCMS9080
L1321SCREW, S-TIGHT M3X6 BIND HEAD+GBMS3060
L1406AC HEAD SCREW MK90VM410964
L1450SCREW, SEMS M2.6X5 P AN HEAD+CPM39050
L1466SCREW, S-TIGHT M2.6X6 BIND HEAD+GBMS9060
L1467SCREW, S-TIGHT M2.6X5 W ASHER HEAD+GCMS9050
DescriptionPart No.
200301203-4-1T7401DPL
Page 93
6319CD/EWC1903T7401UB/7403UD
Printed in Japan
2003-02-17 HO
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