This DVD player uses a pickup that emits a laser beam.
Do not look directly at the laser beam coming
from the pickup or allow it to strike against your
skin.
The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep
your eyes at least 30cm away from the pickup lens when the diode is turned on. Do not look directly at the laser
beam.
Caution: Use of controls and adjustments, or doing procedures other than those specified herein, may result in
hazardous radiation exposure.
Drive Mecha Assembly
Laser Beam Radiation
Laser Pickup
Turntable
CAUTION
LASER RADIATION
WHEN OPEN. DO NOT
STARE INTO BEAM.
Location: Inside Top of DVD mechanism.
1-1
Page 4
1-2 IMPORTANT SAFETY PRECAUTIONS
1-2-1 Product Safety Notice
Some electrical and mechanical parts have special
safety-related characteristics which are often not evident from visual inspection, nor can the protection they
give necessarily be obtained by replacing 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 shock, fire, and/or other hazards. The Product’s Safety is under review
continuously and new instructions are issued whenever appropriate. Prior to shipment from the factory,
our products are carefully inspected to confirm with
the recognized product safety and electrical codes of
the countries in which they are to be sold. However, in
order to maintain such compliance, it is equally important to implement the following precautions when a set
is being serviced.
1-2-2 Precautions during Servicing
A. Parts identified by the # symbol are critical for
safety. Replace only with part number specified.
B. In addition to safety, other parts and assemblies
are specified for conformance with regulations
applying to spurious radiation. 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 about the terminals before soldering.
F. Observe that the wires do not contact heat produc-
ing parts (heatsinks, oxide metal film resistors, fusible resistors, etc.).
G. Check that replaced wires do not contact sharp
edges 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. Be careful that foreign objects (screws, solder
droplets, etc.) do not remain inside the set.
K. Crimp type wire connector
The power transformer uses crimp type connectors
which connect the power cord and the primary side
of the transformer. When replacing the transformer,
follow these steps carefully and precisely to prevent
shock hazards.
Replacement procedure
1)Remove the old connector by cutting 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 insulation from the ends
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 a crimping tool to crimp the metal sleeve at its
center. Be sure to crimp fully to the complete closure of the tool.
L. When connecting or disconnecting the internal
connectors, first, disconnect the AC plug from the
AC outlet.
1-2
Page 5
1-2-3 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 their original positions. Afterwards, do the following tests and confirm
the specified values to verify compliance with safety
standards.
1. Clearance Distance
When replacing primary circuit components, confirm
specified clearance distance (d) and (d’) between soldered terminals, and between terminals and surrounding metallic parts. (See Fig. 1)
Table 1 : Ratings for selected area
AC Line VoltageClearance Distance (d) (d’)
Chassis or Secondary Conductor
Primary Circuit Terminals
dd'
120 V
Note: This table is unofficial and for reference only.
Be sure to confirm the precise values.
2. Leakage Current Test
Confirm the specified (or lower) leakage current
between B (earth ground, power cord plug prongs)
and externally exposed accessible parts (RF terminals, antenna terminals, video and audio input and
output terminals, microphone jacks, earphone jacks,
etc.) is lower than or equal to the specified value in the
table below.
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 the terminals of load
Z. See Fig. 2 and the following table.
Table 2: Leakage current ratings for selected areas
AC Line VoltageLoad ZLeakage Current (i)Earth Ground (B) to:
120 V
≥ 3.2mm (0.126 inches)
0.15µF CAP. & 1.5kΩ RES.
Connected in parallel
Exposed Accessible Part
Z
1.5k
i≤0.5mA PeakExposed accessible parts
0.15 F
Earth Ground
B
Power Cord Plug Prongs
AC Voltmeter
(High Impedance)
Fig. 1
Fig. 2
Note: This table is unofficial and for reference only. Be sure to confirm the precise values.
1-3
Page 6
1-3 STANDARD NOTES FOR SERVICING
1-3-1 Circuit Board Indications
a. The output pin of the 3 pin Regulator ICs is indi-
cated as shown.
Top View
Input
Out
b. For other ICs, pin 1 and every fifth pin are indicated
as shown.
In
Pin 1
c. The 1st pin of every male connector is indicated as
shown.
Pin 1
Bottom View
5
10
1-3-3 How to Remove / Install Flat
Pack-IC
1. Removal
With Hot-Air Flat Pack-IC Desoldering Machine:.
(1) Prepare the hot-air flat pack-IC desoldering
machine, then apply hot air to the Flat Pack-IC
(about 5 to 6 seconds). (Fig. S-1-1)
Fig. S-1-1
(2) Remove the flat pack-IC with tweezers while apply-
ing the hot air.
(3) Bottom of the flat pack-IC is fixed with glue to the
CBA; when removing entire flat pack-IC, first apply
soldering iron to center of the flat pack-IC and heat
up. Then remove (glue will be melted). (Fig. S-1-6)
(1) Release the flat pack-IC from the CBA using twee-
zers. (Fig. S-1-6)
1-3-2 Instructions for Connectors
1. When you connect or disconnect the FFC (Flexible
Foil Connector) cable, be sure to first disconnect
the AC cord.
2. FFC (Flexible Foil Connector) cable should be
inserted parallel into the connector, not at an angle.
FFC Cable
Connector
CBA
* Be careful to avoid a short circuit.
Caution:
1. Do not supply hot air to the chip parts around the
flat pack-IC for over 6 seconds because damage to
the chip parts may occur. Put masking tape around
the flat pack-IC to protect other parts from damage.
(Fig. S-1-2)
2. The flat pack-IC on the CBA is affixed with glue, so
be careful not to break or damage the foil of each
pin or the solder lands under the IC when removing
it.
Hot-air
Flat Pack-IC
Desoldering
CBA
Masking
Tape
Tweezers
Machine
Flat Pack-IC
Fig. S-1-2
1-4
Page 7
With Soldering Iron:
(1) 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)
Flat Pack-IC
Desoldering Braid
(4) Bottom of the flat pack-IC is fixed with glue to the
CBA; when removing entire flat pack-IC, first apply
soldering iron to center of the flat pack-IC and heat
up. Then remove (glue will be melted). (Fig. S-1-6)
(5) Release the flat pack-IC from the CBA using twee-
zers. (Fig. S-1-6)
Note:
When using a soldering iron, care must be taken
to ensure that the flat pack-IC is not being held by
glue. When the flat pack-IC is removed from the
CBA, handle it gently because it may be damaged
if force is applied.
Soldering Iron
Fig. S-1-3
(2) Lift each lead of the flat pack-IC upward one by
one, using a sharp pin or wire to which solder will
not adhere (iron wire). When heating the pins, use
a fine tip soldering iron or a hot air desoldering
machine. (Fig. S-1-4)
Sharp
Pin
Fine Tip
Soldering Iron
Fig. S-1-4
(3) Bottom of the flat pack-IC is fixed with glue to the
CBA; when removing entire flat pack-IC, first apply
soldering iron to center of the flat pack-IC and heat
up. Then remove (glue will be melted). (Fig. S-1-6)
(4) Release the flat pack-IC from the CBA using twee-
zers. (Fig. S-1-6)
With Iron Wire:
(1) 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)
(2) Affix the wire to a workbench or solid mounting
point, as shown in Fig. S-1-5.
(3) While heating the pins using a fine tip soldering
iron or hot air blower, pull up the wire as the solder
melts so as to lift the IC leads from the CBA contact
pads as shown in Fig. S-1-5
To Solid
Mounting Point
CBA
Tweezers
Hot Air Blower
or
Iron Wire
Soldering Iron
Fig. S-1-5
Fine Tip
Soldering Iron
Flat Pack-IC
Fig. S-1-6
1-5
Page 8
2. Installation
(1) 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.
(2) The “I” mark on the flat pack-IC indicates pin 1.
(See Fig. S-1-7.) Be sure this mark matches the 1
on the PCB when positioning for installation. Then
presolder the four corners of the flat pack-IC. (See
Fig. S-1-8.)
(3) Solder all pins of the flat pack-IC. Be sure that none
of the pins have solder bridges.
Example :
Pin 1 of the Flat Pack-IC
is indicated by a " " mark.
Fig. S-1-7
1-3-4 Instructions for Handling
Semi-conductors
Electrostatic breakdown of the semi-conductors may
occur due to a potential difference caused by electrostatic charge during unpacking or repair work.
1. Ground for Human Body
Be sure to wear a grounding band (1MΩ) that is properly grounded to remove any static electricity that may
be charged on the body.
2. Ground for Workbench
(4) Be sure to place a conductive sheet or copper plate
with proper grounding (1MΩ) on the workbench or
other surface, where the semi-conductors are to be
placed. Because the static electricity charge on
clothing will not escape through the body grounding band, be careful to avoid contacting semi-conductors with your clothing.
< Incorrect >
CBA
Presolder
Flat Pack-IC
Fig. S-1-8
CBA
< Correct >
Grounding Band
1MΩ
CBA
1MΩ
Conductive Sheet or
Copper Plate
1-6
Page 9
P
r)
D
C
P
P
O
D
W
2
GENERAL INFORMATION
2-1 SPECIFICATIONS
roduct type:DVD/VCR Combo (DVD player with Video Cassette Recorde
iscs:DVD video
onverter output:VHF Channel 3 or 4.
ower source:120 V AC +/- 10%, 60 Hz +/- 0.5%
ower consumption:24 W (standby: 7.0 W)
perating temperature:41˚F(5˚C) to 104˚(F40˚C)
imensions:W 17-1/8” (435 mm)
Audio CD
Video Cassette tape
H 3-7/8” (99 mm)
D 8-5/8” (218 mm)
eight:8.1 lbs (3.7 kg)
Designs and specifications are subject to change without notice.
2-1
Page 10
2-2 COMPARISON OF MODELS
A
E
C
R
V
O
/
O
T
O
R
M
M
2-2-1 General
ITEMDV-PF73U/PF73U(C)/PF33UDV-PF2U
Dimensional435(W) x 99(H) x 218(D)mm435(W) x 99(H) x 266(D)mm
Weight3.7kg4.0kg
Tray PanelClear←
Color Front/BUtton
PPEARANC
Hot Stamp---←
Silver/Silver (DV-PF73U/PF73U(C))
Black/Silver (DV-PF33U)
Silver/Silver
Remote Controller Model Name
Jog Shuttle on Remote---←
REMOTE
ONTROLLE
TV Control
2-2-2 VCR Section
ITEMDV-PF73U/PF73U(C)/PF33UDV-PF2U
Video FormatVHS←
Y/C SeparationComb Filter←
YNR (Luminance Noise Reduction)
Stereo CM Skip Feature[O
Auto Clock Feature[O
Number of Timer Programming8 Program/year7 Program/year
Self Diagnosis FunctionO (4 Modes)--Back-up Time30 s60 s
SQPB[O
THE
Surge AbsorberO←
Auto Power Off FeatureO←
Local Broadcast SettingO←
Multi Search FeatureO (Index, Time Search)←
OSD languages3 (English, French, Spanish)←
Jog Shuttle on Front---←
Headphone Jack / Volume---/---←
PAL Disc NTSC Out---←
Video Out Mode NTSC/PAL/PAL60O / --- / ---←
S-Video / Component / CompositeO / O / O←
Video D/A Converter10bit←
IDE
Black Level SelectO←
Picture Control---←
Progressive OutO --Audio D/A Converter192kHz / 24bit←
Digital Audio Out Optical / Coaxial--- / OO / O
Dolby Digital 5.1 ch Decode---←
DTS Digital Out--- O
Virtual SurroundO←
Closed Caption for NTSC DVDO←
Front Panel Display DimmerO←
Screen SaverO←
Auto Power OffO←
2 to 100 (FORWARD/REWIND)
(DVD: 2, 8, 50, 100/CD: 16)
O (DV-PF73U/PF73U(C))
O←
2 to 60 (FORWARD/REWIND)
(DVD: 2, 8, 30, 60/CD: 16)
--- (DV-PF33U)
---O / O
---
2-3
Page 12
1
1
in
a
e
g
g,
ll
.
d.
T
e
nt
or
ss
e-
r
d.
T
e
e
y
N
y
k.
e
al
2-3 OPERATING CONTROLS AND FUNCTIONS
[ DV-PF73U/PF73U(C) ]
FRONT PANEL
1342
OPEN/CLOSE
DVD OUTPUT VCRSTOP PLAY
TIMER REC
LINE 2
F.FWDREWREC/IRT
(mono)
VIDEO IN
L
AUDIO IN R
5
POWER/STANDBY
CHANNEL
PLAYSTOP/EJECT
79111317192115
18 16
REMOTE CONTROL
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
SEARCH
SURROUND
A-B REPEAT
1
REPEAT
4
MODE
7
CLEAR/C. RESET
ZOOM
SUBTITLE/TIMER
ANGLE
MENU
ENTER
RETURN
DISC
NAVIGATION
DVD VCR/TV
SLOW SPEED REC
SKIP
STOP
PAUSE/STEP
VOL
TV POWER
VIDEO/TV
TV
OPEN/CLOSE
MODE
2
56
8
0
DISPLAY
AUDIO
TOP MENU
SETUP
VCR
CH
PLAY
CH
1. Disc loading tray
2. OPEN/CLOSE Button
Press to insert discs into or remove them from the tray.
3. CASSETTE COMPARTMENT
4. POWER Light
Lights up when the power is on.
5. POWER/STANDBY Button
Press to turn the power on and off.
6. CHANNEL Buttons
In VCR mode, press to change TV channels on the VCR;
press to adjust the tracking during normal or slow motion
playback; press to remove vertical jitter in a Still picture.
7. PLAY Button(VCR)
Press to begin playback.
8. STOP/EJECT Button (VCR)
EJECT Button
Press to remove the tape from the VCR.
STOP Button
Press to stop the tape motion.
9. AUDIO In Jacks
Connect audio cables coming from the audio out jacks of a
camcorder, another VCR, or an audio source here.
0. VIDEO In Jack
Connect a video cable coming from the video out jack of a
camcorder, another VCR, or a video source (laser disc
player, camcorder, etc.) here.
1. F.FWD Button (VCR)
Press to rapidly advance the tape, or view the picture rapidly in forward during playback. (Forward Search).
EJECT
+10
59
58
3
57
9
56
55
54
53
52
51
50
49
48
47
46
45
44
43
12. REW Button (VCR)
Press to rewind the tape, or to view the picture rapidly
reverse during the playback mode (Rewind Search).
13. REC/IRT Button
Press once to start a recording. Press repeatedly to start
Instant Recording Timer.
14. REC Light
Lights up during recording.
15. TIMER Light
This light glows when the DVD/VCR is in standby mod
or off for a timer recording or during a Instant Recordin
Timer. It flashes if TIMER is pressed for a timer recordin
but there is no tape in the DVD/VCR. It flashes when a
timer recordings or Instant Recording Timer, are finished
16 VCR OUTPUT Light (Green)
This light appears when the VCR output mode is selecte
You can only watch tapes when the green VCR OUTPU
light is on. To make the green VCR OUTPUT light com
on, VCR on the remote control or OUTPUT on the fro
panel.
17. OUTPUT Button
Press to select DVD mode or VCR mode.
● You can switch the output mode either by pressing
OUTPUT on the front panel, or by pressing DVD
VCR on the remote control. However, if you pre
OUTPUT on the front panel first, you need to r
select the corresponding mode by pressing DVD o
VCR on the remote control.
18. DVD OUTPUT Light (Green)
This light appears when the DVD output mode is selecte
You can only watch DVDs when the green DVD OUTPU
Light is on. To make the green DVD OUTPUT light com
on, press DVD on the remote control or OUTPUT on th
front panel.
19. Display, Remote Sensor Window
20. PLAY Button (DVD)
Press to begin playback.
21. STOP Button (DVD)
Stops operation of the disc.
22. SURROUND Button
Press to activate the 3D sound.
y
23.
/I(POWER/STANDBY) Button
Press to turn the power on and off.
(As to the indication of the Operate switch,
y
and “
/I
” shows electrical power stand-by.
)
24. A-B REPEAT Button
Repeats playback of a selected section.
25. REPEAT Button
Repeats playback of the current disc, title, chapter or trac
26. MODE Button
Activates program playback or random playback mod
when playing CDs or MP3. Sets Black level and virtu
surround.
27. ZOOM Button
Enlarges part of a DVD-reproduced image.
6810121420
“I” shows O
2-4
Page 13
2
8. CLEAR/C.RESET Button
2
3
3
3
3
4
4
3
3
3
3
3
3
3
or
in
.
to
a
g
g.
ss
to
e
.
en
ss
of
re
g
R
n
ete
le
g
us
● DVD mode
Press to reset the setting.
● VCR mode
Press to reset the counter. Press to exit from the MENU
screen.
9. ANGLE Button
Press to change the camera angle to see the sequence being
played back from a different angle.
0. SUBTITLE Button
Press to select the desired subtitle language.
5. TIMER Button
Press to put the VCR into standby mode for a timer recording.
1. MENU Button
● DVD mode
Press to display the menu of the Disc.
● VCR mode
Press to access the VCR menu.
2. Arrow Buttons
● DVD mode
4.
p/o
Bs
Move the cursor and determines its position.
● VCR mode
4.
p/o Buttons
Press to enter digits when setting program (For example:
setting clock or timer program). Press to select the setting
modes from the on screen menu.
B Button
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 the setting modes from the on screen menu. Press to add or delete
channel numbers during channel preset.
s Button
Press to cancel a setting of timer program. Press to correct
digits when setting program (For example: setting clock or
timer program). Press to add or delete channel numbers
during channel preset.
3. ENTER Button
Press to accept a setting.
4. RETURN Button
Returns to the previous operation.
5. VCR/TV Button
Use to select VCR or TV position.
This DVD/VCR does not have VCR/TV light. If noise
appears on your TV when you turn on DVD/VCR(VCR
mode), press this button.
●VCR Position
● TV Position
DISC NAVIGATION Button
Use to DISC NAVIGATION function.
6.DVD Button
Press to select DVD mode for the remote control.
● You can switch the OUTPUT mode either by pressing
OUTPUT on the front panel, or by pressing DVD or VCR
on the remote control. However, if you press OUTPUTon
the front panel first, you need to re-select the corresponding mode by pressing DVD orVCR on the remote
control.
7. SLOW Button
During tape playback, press to view the video tape in slow
motion. Press again to resume normal playback. This button does not affect DVD playback.
8. SKIP Buttons
● DVD mode
9. STOP Button
● DVD mode
Buttons
To view playback, to monitor video recordings or to
watch TV using the VCR tuner.
To watch TV or to view one program while recording
another.
Press to skip Chapters or Tracks.
Press to stop the disc motion.
● VCR mode
Press to stop the tape motion.
40. h Button
● DVD mode
Press to view the DVD picture in fast reverse motion
to reverse playback of an Audio CD.
● VCR mode
Press to rewind the tape, or to view the picture rapidly
reverse during the playback mode (Rewind Search).
41. TV POWER Button
To exclusively turn ON/OFF the TV.
42. VIDEO/TV Button
Press to select the external input mode or TV mode of the TV
43.
VOL p/o Buttons
Press to exclusively control the TV volume.
44. T
V CH p/o Buttons
Press to exclusively control the TV channels.
45. PAUSE/STEP Button
● DVD mode
Press to pause Disc playback. Press repeatedly
advance the DVD picture step by step (or one frame at
time).
● VCR mode
While recording, press to temporarily stop the recordin
(pause). Press a second time to resume normal recordin
You can not pause a Instant Recording Timer. Or, pre
during tape playback to freeze the picture. Press
advance the picture one frame at a time during still mod
46. D Button
● DVD mode
Press to fast forward the Disc. Press PAUSE/STEP, th
press this button to begin slow motion playback. Pre
this button repeatedly to change the forward speed
slow motion.
● VCR mode
Press to rapidly advance the tape, or view the pictu
rapidly in forward during playback (Forward Search).
47. PLAY Button
● DVD mode
Press to begin playback.
● VCR mode
Press to begin playback.
48. CH Button
Press to change TV channels on the DVD/VCR.
49. REC Button
Press once to start a recording.
50. SPEED Button
Press to select the VCR’s recording speed (SPor SLP)
51. VCR Button
Press to select VCR mode for the remote control.
● You can switch the OUTPUT mode either by pressin
OUTPUT on the front panel, or by pressing DVD or VC
on the remote control. However, if you press OUTPUTo
the front panel first, you need to re-select the corr
sponding mode by pressing DVD orVCR on the remo
control.
52. SETUP Button
Press to enter the setup mode.
53. DISC NAVIGATION Button
Press to display the first scenes of each chapter of the tit
being played.
54. TOP MENU Button
Press to call up the title menu.
55. DISPLAY Button
● DVD mode
Press to access or remove the display screen durin
DVD or Audio CD playback.
● VCR mode
Press to access or remove the VCR’s on-screen stat
display.
56. AUDIO Button
Press to select a desired audio language or sound mode.
2-5
Page 14
5
7. Number Buttons
5
,
c
r
e
N
r
.
S
w
i
).
● DVD mode
Press to directly select a Track (Audio CD) for playback.
● VCR mode
Press to select TV channels on the VCR.
To select channels, enter channel numbers as a two-digit
number for the quickest results. For example, to select
channel 6, press 0 then 6.
8. OPEN/CLOSE Button
Press to open or close the disc loading tray.
54. EJECT Button
Press to eject the video cassette from the VCR.
59. SEARCH MODE Button
● DVD mode
Press to access or remove the Search display
which allows you to go directly to a specifi
Title/Chapter/Track/Time.
● VCR mode
Press to perform a Time Search or an Index Search.
Caution: Do not touch the inner pins of the jacks on the rea
panel. Electrostatic discharge may cause permanent damag
otes
to the DVD/VCR.
To use the remote control to operate the DVD/VCR and its features, press DVD on the remote control before pressing othe
DVD. Verify that the green DVD OUTPUT Light is on.
To use the remote control to operate the VCR and its features, press VCR on the remote control before pressing other VCR
Verify that the green VCR OUTPUT Light is on.
DISPLAYDISPLAYS DURING OPERATION
Stays on when the
A-B repeat function
is on.
Stays on when the
repeat function is on.
Stays on when
repeat title
function is on.
Lights up when the
inserted disc comes
to a pause.
Stays on when the inserted
disc is being played back.
tays on during playback
hen the repeat function
s on.
DVD
Lights up when a DVD
is inserted into the tray.
Stays on when repeat
track function is on.
Stays on when
repeat chapter
function is on.
Lights up when a
CD is inserted into
the tray.
Displays how long a current title
or track has been played back. When
a chapter or track has switched, the
number of the a title, chapter or
track is displayed.
VCR
No disc inserted or playing
DVD menu
Tray open
Tray closed
Loading the Disc
Lights up when the playback
is in a still or in a slow mode.
Stays on when the inserted
cassette is being played back.
Works as a tape counter(hour,minute only
Also displays a channel number,
tape speed remaining time for IRT and
current time.
2-6
Page 15
C
he
REAR VIEW
D
S-
a
ce
to
ck
21345
DVD/VCR VCR
AUDIO OUT AUDIO IN
ANT-IN
ANT-OUT
121110
VIDEO OUT VIDEO IN
L
RLR
1. ANT-IN (Antenna In) Jack
Connect your antenna, Cable Box, or Direct Broadcast
System.
2. DVD/VCR AUDIO OUT Jacks
Connect the supplied audio cables here and to the Audio
In jacks of a television or other audio equipment.
3. AUDIO IN Jacks (VCR only)
Connect audio cables coming from the audio out jacks
of a camcorder, another VCR, or an audio source here.
4. AC Power Cord
Connect to a standard AC outlet to supply power to the
DVD/VCR.
5. COMPONENT VIDEO OUT Jacks (DVD only)
Connect optional component video cables here and to
the component Video In jacks of a television.
6. COAXIAL Jack (DVD only)
Connect an optional coaxial digital audio cable here and
to the Coaxial Digital Audio In jack of a decoder or
audio receiver.
7. DVD AUDIO OUT Jacks (DVD only)
Connect the supplied audio cables here and to the Audio
DVD
S-VIDEO
COMPONENT
AUDIO
DIGITAL
OUT
AUDIO OUT
Y
C
B
L
PB
COAXIAL
CR
R
PR
7
6
I P
PROGRESSIVE
VIDEO OUT
OUT
89
In jacks of a television or other audio equipment (DV
only).
8. S-VIDEO OUT Jack (DVD only)
Connect an optional S-Video cable here and to the
Video In jack of a television.
9. INTERLACE/PROGRESSIVE SCAN SELECTOR
T
o select interlace or progressive scanning.
10. VIDEO IN Jack (VCR only)
Connect a cable coming from the video out jack of
camcorder, another VCR, or an audio-visual sour
(laser disc player, video disc player, etc.) here.
11. DVD/VCR VIDEO OUT Jack
Connect the yellow video cable (supplied) here and
the TV’s Video In jack.
If you select P(PROGRESSIVE) in
INTERLACE/PROGRESSIVE SCAN SELECTOR,
DVD video signal is not output to your TV.
12. ANT-OUT (Antenna Out) Jack
Use the supplied RF coaxial cable to connect this ja
to the ANTENNAIN Jack on your TV.
AUTION:
Be sure to turn off the DVD/VCR and equipment to be connected before connecting.
Read through the operation manual for the equipment to be connected.
Be sure that the colors of the jacks and plugs match up when using VIDEO/AUDIO cables.
Be sure to keep the DVD/VCR connection cables separate from the TV antenna cable when you install t
DVD/VCR, because it may cause electrical interference when you are watching television programs.
2-7
Page 16
y
y
[ DV-PF33U ]
FRONT PANEL
1342
REMOTE CONTROL
52
50
48
46
45
43
41
39
54
53
51
49
47
44
42
40
38
22
24
25
23
SURROUND
SPEED
123
4
789
DISPLAY
TV
OPEN/CLOSE
AUDIO
56
+
010
DVD VCR
EJECT
SKIP/CH.
SKIP/CH.
VCR/TV
SLOW
PAUSE/STEP
26
27
29
31
33
35
37
28
30
32
34
36
REC
MENU
SETUP
MODE
SUBTITLE
TIMER
TOP MENU
ZOOM
ANGLE
PLAY
STOP
TV CH
VIDEO/TV
ENTER
TV CH
SEARCH MODE
REPEAT
TV POWER
VOLVOL
RETURN
CLEAR
C.RESET
A-BREPEAT
1. Disc loading tray
2. OPEN/CLOSE Button
Press to insert discs into or remove them from the tray.
3. CASSETTE COMPARTMENT
4. POWER Light
Lights up when the power is on.
5. POWER/STANDBY Button
Press to turn the power on and off.
6. CHANNEL Buttons
In VCR mode, press to change TV channels on the VCR;
press to adjust the tracking during normal or slow motion
playback; press to remove vertical jitter in a Still picture.
7. PLAY Button(VCR)
Press to begin playback.
8. STOP/EJECT Button (VCR)
EJECT Button
Press to remove the tape from the VCR.
STOP Button
Press to stop the tape motion.
9. AUDIO In Jacks
Connect audio cables coming from the audio out jacks of a
camcorder, another VCR, or an audio source here.
10. VIDEO In Jack
Connect a video cable coming from the video out jack of a
camcorder, another VCR, or a video source (laser disc
player, camcorder, etc.) here.
11. F.FWD Button (VCR)
Press to rapidly advance the tape, or view the picture rapidly in forward during playback. (Forward Search).
OPEN/CLOSE
DVD OUTPUT VCRSTOP PLAY
TIMER REC
LINE 2
F.FW DREWREC/IRT
(mono)
VIDEO IN
L
AUDIO IN R
18 16
12. REW Button (VCR)
Press to rewind the tape, or to view the picture rapidly in
reverse during the playback mode (Rewind Search).
13. REC/IRT Button
Press once to start a recording. Press repeatedly to start a
Instant Recording Timer.
14. REC Light
Lights up during recording.
15. TIMER Light
This light glows when the DVD/VCR is in standby mode
or off for a timer recording or during a Instant Recording
Timer. It flashes if TIMER is pressed for a timer recording,
but there is no tape in the DVD/VCR. It flashes when all
timer recordings or Instant Recording Timer are finished.
16 VCR OUTPUT Light (Green)
This light appears when the VCR output mode is selected.
You can only watch tapes when the green VCR OUTPUT
light is on. To make the green VCR OUTPUT light come
on, VCR on the remote control or OUTPUT on the front
panel.
17. OUTPUT Button
Press to select DVD mode or VCR mode.
● You can switch the output mode either by pressing
OUTPUT on the front panel, or by pressing DVD or
VCR on the remote control. However, if you press
OUTPUT on the front panel first, you need to reselect the corresponding mode by pressing DVD or
VCR on the remote control.
18. DVD OUTPUT Light (Green)
This light appears when the DVD output mode is selected.
You can only watch DVDs when the green DVD OUTPUT
Light is on. To make the green DVD OUTPUT light come
on, press DVD on the remote control or OUTPUT on the
front panel.
19. Display, Remote Sensor Window
20. PLAY Button (DVD)
Press to begin playback.
21. STOP Button (DVD)
Stops operation of the disc.
22. SURROUND Button
Press to activate the 3D sound.
SPEED Button
Press to select the VCR’s recording speed (SPor SLP)
y
/I(POWER/STANDBY) Button
23.
Press to turn the power on and off.
(As to the indication of the Operate switch,
y
and “
/I
” shows electrical power stand-by.
)
24. Number Buttons
● DVD mode
Press to directly select a Track (Audio CD) for playback.
● VCR mode
Press to select TV channels on the VCR.
To select channels, enter channel numbers as a two-digit
number for the quickest results. For example, to select
channel 6, press 0 then 6.
5
POWER/STANDBY
CHANNEL
PLAYSTOP/EJECT
79111317192115
6810121420
“I” shows ON
2-8
Page 17
2
5. DISPLAY Button
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
4
4
4
e:
g
er
to
tte
ct
or
rs
.
n
ss
of
re
g
R
n
ete
to
a
g
d-
r,
to
ill
w
t-
se
R
● DVD mode
Press to access or remove the display screen during DVD
or Audio CD playback.
● VCR mode
Press to access or remove the VCR’s on-screen status
display.
6. TV Button
Press to exclusively control the TV.
7. DVD Button
Press to select DVD mode for the remote control.
● You can switch the OUTPUT mode either by pressing
OUTPUT on the front panel, or by pressing DVD or VCR
on the remote control. However, if you press OUTPUTon
the front panel first, you need to re-select the corresponding mode by pressing DVD orVCR on the remote
control.
8. h Button
● DVD mode
Press to view the DVD picture in fast reverse motion or
to reverse playback of an Audio CD.
● VCR mode
Press to rewind the tape, or to view the picture rapidly in
reverse during the playback mode (Rewind Search).
9. STOP Button
● DVD mode
Press to stop the disc motion.
● VCR mode
Press to stop the tape motion.
0. REC Button
Press once to start a recording.
1. MENU Button
● DVD mode
Press to display the menu of the Disc.
● VCR mode
Press to access the VCR menu.
2. TOP MENU Button
Press to call up the title menu.
3. SETUP Button
Press to enter the setup mode.
4. ZOOM Button
Enlarges part of a DVD-reproduced image.
5. MODE Button
Activates program playback or random playback mode
when playing CDs or MP3. Sets Black level and virtual
surround.
6. SUBTITLE Button
Press to select the desired subtitle language.
5. TIMER Button
Press to put the VCR into standby mode for a timer recording.
7. ANGLE Button
Press to change the camera angle to see the sequence being
played back from a different angle.
8. REPEAT Button
Repeats playback of the current disc, title, chapter or track.
9. A-B REPEAT Button
Repeats playback of a selected section.
0. SEARCH MODE Button
● DVD mode
Press to access or remove the Search display,
which allows you to go directly to a specific
Title/Chapter/Track/Time.
● VCR mode
Press to perform a Time Search or an Index Search.
1. CLEAR/C.RESET Button
● DVD mode
Press to reset the setting.
● VCR mode
Press to reset the counter. Press to exit from the MENU
screen.
2. RETURN Button
Returns to the previous operation.
V CH p/o Buttons
43. T
Press to exclusively control the TV channels.
44.
VOL p/o Buttons
Press to exclusively control the TV volume.
● DVD mode
44.
p/o/ B/sButtons
Move the cursor and determines its position.
● VCR mode
44.
p/o Buttons
Press to enter digits when setting program (For exampl
setting clock or timer program). Press to select the settin
modes from the on screen menu.
B Button
When setting program (For example: setting clock or tim
program), press to determine your selection and proceed
the next step you want to input. Press to determine the se
ting modes from the on screen menu. Press to add or dele
channel numbers during channel preset.
s Button
Press to cancel a setting of timer program. Press to corre
digits when setting program (For example: setting clock
timer program). Press to add or delete channel numbe
during channel preset.
44. ENTER Button
Press to accept a setting.
VIDEO/TV Button
Press to select the external input mode or TV mode of the TV
45. TV POWER Button
To exclusively turn ON/OFF the TV.
46. D Button
● DVD mode
Press to fast forward the Disc. Press PAUSE/STEP, the
press this button to begin slow motion playback. Pre
this button repeatedly to change the forward speed
slow motion.
● VCR mode
Press to rapidly advance the tape, or view the pictu
rapidly in forward during playback (Forward Search).
47. PLAY Button
● DVD mode
Press to begin playback.
● VCR mode
Press to begin playback.
48. VCR Button
Press to select VCR mode for the remote control.
● You can switch the OUTPUT mode either by pressin
OUTPUT on the front panel, or by pressing DVD or VC
on the remote control. However, if you press OUTPUTo
the front panel first, you need to re-select the corr
sponding mode by pressing DVD orVCR on the remo
control.
49. PAUSE/STEP Button
● DVD mode
Press to pause Disc playback. Press repeatedly
advance the DVD picture step by step (or one frame at
time).
● VCR mode
While recording, press to temporarily stop the recordin
(pause). Press a second time to resume normal recor
ing. You can not pause a Instant Recording Timer. O
press during tape playback to freeze the picture. Press
advance the picture one frame at a time during st
mode.
50. SLOW Button
During tape playback, press to view the video tape in slo
motion. Press again to resume normal playback. This bu
ton does not affect DVD playback.
51. VCR/TV Button
Use to select VCR or TV position.
This DVD/VCR does not have VCR/TV light. If noi
appears on your TV when you turn on DVD/VCR(VC
mode), press this button.
2-9
Page 18
●VCR Position
ar
ge
N
re
s-
S
w
i
).
To view playback, to monitor video recordings or to
watch TV using the VCR tuner.
● TV Position
To watch TV or to view one program while recording
another.
53. OPEN/CLOSE Button
Press to open or close the disc loading tray.
54. EJECT Button
Press to eject the video cassette from the VCR.
54. AUDIO Button
Press to select a desired audio language or sound mode.
52. SKIP/CH Buttons
● DVD mode
Press to skip Chapters or Tracks.
● VCR mode
Caution: Do not touch the inner pins of the jacks on the re
panel. Electrostatic discharge may cause permanent dama
to the DVD/VCR.
Press to change TV channels on the VCR.
otes
To use the remote control to operate the DVD/VCR and its features, press DVD on the remote control befo
pressing other DVD. Verify that the green DVD OUTPUT Light is on.
To use the remote control to operate the VCR and its features, press VCR on the remote control before pres
ing other VCR . Verify that the green VCR OUTPUT Light is on.
DISPLAYDISPLAYS DURING OPERATION
Stays on when the
A-B repeat function
is on.
Stays on when the
repeat function is on.
Stays on when
repeat title
function is on.
Lights up when the
inserted disc comes
to a pause.
Stays on when the inserted
disc is being played back.
tays on during playback
hen the repeat function
s on.
DVD
Lights up when a DVD
is inserted into the tray.
Stays on when repeat
track function is on.
Stays on when
repeat chapter
function is on.
Lights up when a
CD is inserted into
the tray.
Displays how long a current title
or track has been played back. When
a chapter or track has switched, the
number of the a title, chapter or
track is displayed.
VCR
No disc inserted or playing
DVD menu
Tray open
Tray closed
Loading the Disc
Lights up when the playback
is in a still or in a slow mode.
Stays on when the inserted
cassette is being played back.
Works as a tape counter(hour,minute only
Also displays a channel number,
tape speed, remaining time for IRT and
current time.
2-10
Page 19
C
he
DVD/VCR VCR
AUDIO OUT AUDIO IN
VIDEO OUT VIDEO IN
S-VIDEO
OUT
COMPONENT
VIDEO OUT
AUDIO
OUT
DVD
Y
C
B
PB
CR
PR
L
R
L
ANT-IN
ANT-OUT
RLR
DIGITAL
AUDIO OUT
COAXIAL
I P
PROGRESSIVE
121110
89
7
6
21345
REAR VIEW
D
S-
a
ce
to
ck
1. ANT-IN (Antenna In) Jack
Connect your antenna, Cable Box, or Direct Broadcast
System.
2. DVD/VCR AUDIO OUT Jacks
Connect the supplied audio cables here and to the Audio
In jacks of a television or other audio equipment.
3. AUDIO IN Jacks (VCR only)
Connect audio cables coming from the audio out jacks
of a camcorder, another VCR, or an audio source here.
4. AC Power Cord
Connect to a standard AC outlet to supply power to the
DVD/VCR.
5. COMPONENT VIDEO OUT Jacks (DVD only)
Connect optional component video cables here and to
the component Video In jacks of a television.
6. COAXIAL Jack (DVD only)
Connect an optional coaxial digital audio cable here and
to the Coaxial Digital Audio In jack of a decoder or
audio receiver.
7. DVD AUDIO OUT Jacks (DVD only)
In jacks of a television or other audio equipment (DV
only).
8. S-VIDEO OUT Jack (DVD only)
Connect an optional S-Video cable here and to the
Video In jack of a television.
9. INTERLACE/PROGRESSIVE SCAN SELECTOR
to select interlace or progressive scanning.
10. VIDEO IN Jack (VCR only)
Connect a cable coming from the video out jack of
camcorder, another VCR, or an audio-visual sour
(laser disc player, video disc player, etc.) here.
11. DVD/VCR VIDEO OUT Jack
Connect the yellow video cable (supplied) here and
the TV’s Video In jack.
If you select P(PROGRESSIVE) in
INTERLACE/PROGRESSIVE SCAN SELECTOR,
DVD video signal is not output to your TV.
12. ANT-OUT (Antenna Out) Jack
Use the supplied RF coaxial cable to connect this ja
to the ANTENNAIN Jack on your TV.
Connect the supplied audio cables here and to the Audio
AUTION:
Be sure to turn off the DVD/VCR and equipment to be connected before connecting.
Read through the operation manual for the equipment to be connected.
Be sure that the colors of the jacks and plugs match up when using VIDEO/AUDIO cables.
Be sure to keep the DVD/VCR connection cables separate from the TV antenna cable when you install t
DVD/VCR, because it may cause electrical interference when you are watching television programs.
2-11
Page 20
3
MAINTENANCE AND INSPECTION
3-1 TROUBLESHOOTING
Troubleshooting is how to service for the specifying malfunction or poor parts.
Detect malfunction or poor parts and service as the following charts.
3-1-1 Power Supply Section
FLOW CHART NO.1
The power cannot be turned on.
Is the fuse normal?
Ye s
Is normal state restored when once unplugged
power cord is plugged again after several seconds.
Ye s
Is the AL+5V line voltage normal?
Ye s
Check each rectifying circuit of secondary circuit
and service it if defective.
FLOW CHART NO.2
The fuse blows out.
Check the presence that the primary component
is leaking or shorted and service it if defective.
After servicing, replace the fuse.
FLOW CHART NO.3
When the output voltage fluctuates.
No
No
No
See FLOW CHART No.2 <The fuse blows out.>
Check for lead or shor-circuiting of primary
circuit component and service it if defective.
(Q1001,Q1003,T1001,D1001,D1002,D1003,
D1004,D1011,C1003,C1005)
Check the presence that the rectifying diode or circuit
is shorted in each rectifying circuit of secondary side
and service it if defective.
Does the secondary side photo coupler circuit
operate normally?
Ye s
Check the circuit and service it if defective.
(IC1001, D1012, D1024)
FLOW CHART NO.4
When buzz sound can be heard in the vicinity of power circuit.
Check if there is short circuit on the rectifying diode and the circuit in each rectifying circuit of secondary side and
service it if defective.
FLOW CHART NO.5
-FL is not outputted.
Is the supply voltage of -24V fed to the anode of
D1010?
Check for load circuit short-circuiting or leak, and
service it if defective.
Check the circuit and service it if defective.
(IC1001, IC1006, D1018)
Check D1010 and their periphery, and service it if
defective.
3-1
Page 21
FLOW CHART NO.6
P-ON+5V is not outputted. (P-ON+9V is outputted normally.)
Is 5V voltage supplied to the collector of Q056?
Yes
Is the "H" pulse inputted into the base of Q056?
Yes
Replace Q056.
FLOW CHART NO.7
EV+3.3V is not outputted. (P-ON+5V is outputted normally.)
Is 5V voltage supplied to Pin(1) of IC1004?
Yes
Replace IC1004.
FLOW CHART NO.8
P-ON+12V is not outputted.
Is 12V voltage supplied to the emitter of Q1006?
Yes
Is the "L" pulse (approximately 0V) outputted to
the collector of Q1005?
Yes
Replace Q1006.
No
No
No
No
No
Check D016, D018, C020, C021, and their
periphery, and service it if defective.
Check Q056, R057 and their periphery, and
service it if defective.
Check D1008, C1007, C1038 and their periphery,
and service it if detective.
Check D1015, D1019, C018 and their periphery,
and service it if detective.
Check Q1005 and PWRCON line, and service it if
detective.
FLOW CHART NO.9
P-ON+3.3V is not outputted. (EV+3.3V is outputted normally.)
Is the "H" pulse (approximately 5V) inputted into
the base of Q1011?
Yes
Replace Q1011.
FLOW CHART NO.10
EV 1.5V is not outputted.
Is approximately 2.35V voltage supplied to Pin(1)
of IC1002?
Yes
Replace IC1002.
No
No
See FLOW CHART NO.8. <P-ON+12V is not
outputted. >
Check D1020,C1014,C1015, and their periphery,
and service it if detective.
3-2
Page 22
FLOW CHART NO.11
The fluorescent display tube does not light up.
Is 3.3V voltage supplied to Pin(6, 24) of IC571?
Ye s
Is approximately -24V to -28V voltage supplied to
Pin(15) of IC571?
Ye s
Is there approximately 500kHz oscillation to
Pin(26) of IC571?
Ye s
Are the filament voltage applied between (1, 2)
and (34, 35) of the fluorescent display tube?
Also negative voltage applied between these pins
and GND?
Ye s
Replace the fluorescent display tube.
No
No
No
No
Check the EV+3.3V line and service it if detective.
Check the -FL (-28V) line and service it if
detective.
Check R572, IC571 and their periphery, and
service it if detective.
Check the power circuit, D1016, D1017,
R1042, C1018 and their periphery, and
service it if detective.
3-3
Page 23
3-1-2 DVD Section
FLOW CHART NO.1
The key operation is not functioning.
Are the contact point and the installation state of
the key switches (SW2001-2003) normal?
Ye s
When pressing each key switches (SW2001,
SW2002, SW2003), do the voltage of each pin
of CN2001 (shown below) change to "L" (0V) from
"H" (3.3V)?
SW2001 → CN2001 4PIN
SW2002 → CN2001 2PIN
SW2003 → CN2001 1PIN
Ye s
Replace DVD Main CBA.
FLOW CHART NO.2
No DVD operation is possible from the remote control unit. (
Is 5V voltage supplied to Pin(3) terminal of the
RM2001 (remote control receiver)?
Ye s
Is the "L" pulse sent out from Pin(1) terminal of the
RM2001 (remote control receiver) when the remote
control unit is activated?
Ye s
Is the "L" pulse signal supplied to Pin(22) of
CN1001?
Ye s
Replace the DVD Main CBA.
No
No
No
No
No
Re-install the key switches (SW2001, SW2002,
SW2003) correctly or replace the poor switch.
Check the key switches (SW2001, SW2002,
SW2003) and their periphery, and service it if
detective.
Operation is possible from the unit.)
Check AL+5V line, and service it if detective.
Replace the RM2001 (remote control receiver).
Replace remote control unit if needed.
Check the line between the RM2001 (remote
control receiver) and Pin(22) of CN1001, and
service it if detective.
FLOW CHART NO.3
The disc tray cannot be opened and closed. (It can be done using the remote control unit.)
Does the voltage of Pin(4) on CN2001 become 0V
when pressing "OPEN/CLOSE" button on the unit?
Ye s
Refer to "FLOW CHAR NO.4" <The disc tray
cannot be opened and closed.>
FLOW CHART NO.4
The disc tray cannot be opened and closed.
Replace the DVD Main CBA.
No improvement can be found.
Ye s
Replace the DVD Mechanism.
No
No
Replace the "OPEN/CLOSE" button (SW2001).
Original DVD Main CBA is poor.
3-4
Page 24
FLOW CHART NO.5
The [No Disc] indication. (In case of focus error)
Replace the DVD Main CBA.
No improvement can be found.
Yes
Replace the DVD Mechanism.
FLOW CHART NO.6
The [No Disc] indication. (In case focus servo does not function.)
Replace the DVD Main CBA.
No improvement can be found.
Yes
Replace the DVD Mechanism.
FLOW CHART NO.7
The [No Disc] indication. (When the laser beam does not light.)
Replace the DVD Main CBA.
No improvement can be found.
Yes
Replace the DVD Mechanism.
No
No
No
Original DVD Main CBA is poor.
Original DVD Main CBA is poor.
Original DVD Main CBA is poor.
FLOW CHART NO.8
Both picture and sound do not operate normally.
Replace the DVD Main CBA.
No improvement can be found.
Yes
Replace the DVD Mechanism.
No
Original DVD Main CBA is poor.
3-5
Page 25
FLOW CHART NO.9
Picture does not appear normally.
Set the disc on the disc tray, and playback.
Are the video signals outputted to each pin of
CN1601 on the Main CBA?
Check the periphery between Pins(1,7) of IC1201
and JK756, and service it if detective.
Check the line between Pin(
and their periphery, and service it if detective.
Check the line between Q760 and OUTPUT SELECT,
and service it if detective.
4,14
) of IC751 and JK751
,
3-7
Page 27
3-1-3 VCR Section
FLOW CHART NO.1
The key operation is not functioning.
Are the contact point and the installation state of
the key switches normal?
Ye s
Is the control voltage normally inputted into
Pins(66,67) of IC501?
Ye s
Replace IC501.
No
Re-install some key switches correctly or
replace some key switches.
No
Check the key switches and their periphery, and
service it if detective.
Terminal voltage of IC501-66,67
4.30
3.60
2.90
2.39
1.98
1.61
1.27
0.92
0.51
(V)
KEY-1
IC501-67
-----
-----
-----
CH
DOWN
CH UP
PLAY
STOP
/EJECT
POWER
REC
KEY-2
IC501-66
-----
-----
-----
S-INH
FF
REW
-----
-----
DVD/VCR
SELECT
FLOW CHART NO.2
No DVD operation is possible from the remote control unit. (
Is 5V voltage supplied to the Pin(3) terminal of
No
the RM2001 (remote control receiver)?
Ye s
Is the "L" pulse sent out from Pin(1) terminal of
No
the RM2001 (remote control receiver) when the
remote control unit is activated?
Ye s
No
Is the "L" pulse signal supplied to the Pin(1) of
IC501?
Ye s
Replace IC501.
Operation is possible from the unit.)
Check AL+5V line and service it if detective.
Replace the RM2001 (remote control receiver).
Or replace remote control unit.
Check the line between the RM2001 (remote
control receiver) and the Pin(5) of IC501, and
service it if detective.
3-8
Page 28
FLOW CHART NO.3
Cassette tape can not be loaded.
When loading a cassette tape, on Pin(69) of
IC501, does the "L" pulse switch to the "H" pulse?
Ye s
When loading a cassette tape, is the specified
voltage (approximately 13V) outputted to the
terminal of the Loading Motor Unit?
Ye s
Replace the Loading Motor Unit.
FLOW CHART NO.4
Cassette tape is ejected right after the loading.
When loading a cassette tape, on Pin(69) of IC501,
does the "L" pulse switch to the "H" pulse?
Ye s
When loading a cassette tape, on Pin(62) of IC501,
does the "L" pulse switch to the "H" pulse?
Ye s
When loading a cassette tape, does the LD-SW
operate normally?
Ye s
Replace IC501.
No
No
No
No
No
Check the line between the start sensor and
Pin(69) of IC501, and service it if detective.
Replace the Capstan Motor Unit.
Check the line between the start sensor and
Pin(69) of IC501, and service it if detective.
Check the line between the end sensor and
Pin(62) of IC501, and service it if detective.
Check the line between the LD-SW(SW512) and
Pin(68) of IC501, and service it if detective.
FLOW CHART NO.5
Cassette tape can not be ejected.
When pressing the eject button, does the Capstan
Motor start rotating?
Ye s
While the Capstan Motor is rotating, is the Takeup
Reel rotating?
Ye s
While the Takeup Reel is rotating, is the reel pulse
signal inputted to Pin(3) of IC501?
Ye s
While the reel pulse signal is inputting, is "L" pulse
inputted to Pin(21) of IC501?
Ye s
Is the specified voltage (approximately 13V)
outputted to the terminal of the Lading Motor Unit?
Ye s
Is the Loading Motor rotating?
Ye s
Check the Cassette Cam or Cassette Gear, etc,
and service it if detective.
No
No
No
No
No
No
Refer to "FLOW CHART NO.6 " <The Capstan
Motor does not rotate>.
Check the Reel Disc or Reel Drive Unit, and
service it if detective.
Check the line between the Takeup Reel sensor
and Pin(3) of IC501, and service it if detective.
Replace IC501.
Replace the Capstan Motor unit.
Replace the Loading Motor unit.
3-9
Page 29
FLOW CHART NO.6
Capstan Motor does not rotate.
Is 5V voltage supplied to Pin(2) of CL502?
Ye s
Is over approximately 2.6V voltage supplied to
Pin(5) of CL502?
Ye s
Is 12V voltage supplied to Pins(1,11) of CL502?
Ye s
Replace the Capstan Motor Unit.
FLOW CHART NO.7
Drum Motor does not rotate.
Is 5V voltage supplied to Pin(2) of CL502?
Ye s
Is over approximately 2.6V voltage supplied to
Pin(8) of CL502?
Ye s
Is 12V voltage supplied at Pin(1,11) of CL502?
Ye s
Replace the Capstan Motor Unit or Cylinder
Assembly.
No
No
No
No
No
No
Check the P-ON+5V line and service it if detective.
Check the line between Pin(5) of CL502 and
Pin(28) of IC501, and service it if detective.
Check the AL+12V line and service it if detective.
Check the P-ON+5V line and service it if detective.
Check the line between Pin(8) of CL502 and
Pin(29) of IC501, and service it if detective.
Check the AL+12V line and service it if detective.
FLOW CHART NO.8
Drum Motor rotates only for a few seconds.
Is the drum PG/FG signal inputted to Pin(47) of IC501?
Ye s
Is the RF-SW signal outputted to Pin(18) of IC501?
Ye s
Is 12V voltage supplied Pin(1,11) of CL502?
Ye s
Replace the Capstan Motor Unit or the Cylinder
Assembly.
FLOW CHART NO.9
RF-SW signal is not outputted.
Is the Drum Motor rotating?
5Vp-p
Ye s
Is the drum PG/FG signal inputted to Pin(47) of IC501?
Ye s
Replace IC501.
3-10
No
No
No
No
D-PG
No
D-FG
2.5Vp-p
Replace the Capstan Motor Unit or the Cylinder
Assembly.
Replace IC501.
Check the AL+12V line and service it if detective.
Refer to "FLOW CHART NO.7" <Drum Motor does
not rotate> and "FLOW CHART NO.8" <Drum
Motor rotates only for a few seconds>.
Replace the Capstan Motor Unit or the Cylinder
Assembly.
Page 30
FLOW CHART NO.10
Video E-E does not appear.
Is the Video signal inputted to Pins(38,40,42) of
IC301?
Ye s
Is the C-SYNC signal outputted to Pin(34) of IC301?
Ye sN o
Is the C-SYNC signal inputted to Pin(41) of IC501?
No
Check the line between Pin(34)
of IC301 and Pin(41) of IC501,
and service it if detective.
Replace IC301.
Ye s
No
Ye s
1) In the external input mode
Check the line between the video input
terminal (rear) and Pin(38) of IC301, and
service it if detective.
Check the line between the video input
terminal (front) and Pin(40) of IC301, and
service it if detective.
2) In the U/V tuner mode
Check the line between Pin(18) of the U/V tuner
and Pin(42) of IC301, and service it if detective.
Is 5V voltage supplied to Pin(21) of IC301?
No
Check the P-ON+5V line and service it
Ye s
Is voltage with each inputted signal supplied to
Pin(71) of IC301?
Check the line between Pin(71) of IC301 and
Pin(16) of IC501, and service it if detective.
if detective.
No
Is the video signal inputted into Pin(1) of IC751?
Ye s
Is the video signal outputted to Pin(15) of IC751?
No
Is approximately 6.8V voltage supplied to Pin(16)
of IC751, or approximately -8V voltage supplied to
Pin(7) of IC751?
Ye s
Is the "H" pulse inputted into Pin(9) of IC751?
Ye s
No
Ye s
No
No
Check the line between Pin(35) of IC301 and
Pin(1) of IC751, and service it if detective.
Is the video signal outputted to the emitter of Q391?
No
Check the line between Pin(15) of IC751
and Q391,
Ye s
When only Line signal is not outputted...
check the line between
video output terminal (JK751), and service it if
detective.
When only RF signal is not outputted...
check the tuner (TU701), and
emitter
of Q391 and Pin(6) of the tuner, and
service it if detective.
Check the AL+12V line (R779, D702) and the
AL-30V line (R777,R778), and service it if detective.
Check Q760 and the OUTPUT-SELECT line,
and service it if detective.
and service it if detective.
the emitter of
Q391 and the
the line between the
Replace IC751.
3-11
Page 31
FLOW CHART NO.11
Hi-Fi E-E audio does not operate normally.
Is each signal supplied to each pin of IC451 as below?
L-chR-ch
Front input terminal
Rear input terminal
Tuner audio signal
Is the 5V voltage supplied to Pins(5,15,32,36,46) of
IC451, or the 9V voltage supplied to Pins(3,54) of IC451?
Is the serial data and the clock signal supplied to
Pins(37,38) of IC451?
Is the "L" pulse inputted into the Pin(49) of IC451?
Is the sub carrier signal (3.58 MHz) inputted to
Pin(51) of IC451?
Pin(9)Pin(71)
Pin(7)Pin(69)
Pin(57)
Ye s
Ye s
Ye s
Ye s
No
No
No
No
No
No
No
Check the peripheral circuit of the front input
terminal and service it if detective.
Check the peripheral circuit of the rear input
terminal and service it if detective.
Is the SIF signal outputted from Pin(15) of the tuner?
Ye s
Check the line between Pin(57)
of IC451 and Pin(15) of tuner,
and service it if detective.
Check the circuit of AL+5V, P-ON+5V and
P-ON+9V, and service it if detective.
Check the line between Pins(37,38) of IC451 and
Pins(12,13) of IC501, and service it if detective.
Check the line between Pin(49) of IC451 and
Pin(7) of IC501, and service it if detective.
Check the line between the emitter of Q302 and
Pin(51) of IC451, and service it if detective.
Replace the
tuner.
No
Ye s
Is the audio signal outputted to Pins(78,80) of
IC451?
Ye s
Is the audio signal inputted into Pins(3,13) of
IC751?
Ye s
Is the audio signal outputted to Pins(4,14) of
IC751?
Ye s
Check the line between Pins(4,14) of IC751 and
the audio output terminal (JK751), and service it if
detective.
Replace IC751.
No
No
No
Ye s
Replace IC451.
Check the line between Pins(78,80) of IC451 and
Pins(3,13) of IC751, and service it if detective.
Is approximately 6.8V voltage supplied to Pin(16)
of IC751, or approximately -8V voltage supplied to
Pin(7) of IC751?
No
Check the AL+12V line (R779, D702) and the
Ye s
AL-30V line (R777,R778), and service it if detective.
Is the "H" pulse inputted into the Pins(9,10,11) of
IC751?
No
Check Q760 and the OUTPUT SELECT line, and
service it if detective.
3-12
Page 32
?
FLOW CHART NO.12
Hi-Fi audio can not be recorded normally. (E-E mode is normal.)
Yes
Is the REC FM signal outputted to Pin(26) of IC451?
Yes
Is the line between Pin(8) of CL253 and
Pin(26) of IC451 normal?
Yes
Replace the Cylinder Assembly.
FLOW CHART NO.13
Hi-Fi audio can not be playbacked normally. (Hi-Fi E-E mode is normal.)
Yes
Is the Playback Envelope signal outputted to
Pin(33) of IC451?
Yes
Replace IC451.
FLOW CHART NO.14
Hi-Fi audio can not be recorded normally in the linear audio mode. (E-E mode is normal.)
No
No
No
Replace IC451.
Service the line between Pin(8) of CL253 and
Pin(26) of IC451.
Is the Hi-Fi-H-SW signal inputted into to Pin(39) of IC451
Yes
Replace
IC451.
Check the Hi-Fi-H-SW line between
Pin(39) of IC451 and Pin(25) of
IC501, and service it if detective.
No
Yes
Is the audio signal inputted into Pin(76,78,80) of IC301?
Yes
Does the Bias oscillation circuit operate normally?
Yes
Is the audio signal outputted to Pin(96) of IC301?
Yes
Is the audio signal outputted to Pin(7) of IC301?
Yes
Is CL504 and the connected cable normal?
Yes
Replace AC head.
No
No
No
No
No
Check the line between Pin(6) of IC451 and
Pin(76,78,80) of IC301, and service it if detective.
Check the Bias oscillation circuit (
Q423,Q424,Q425)
Replace IC301.
Replace IC301.
Replace CL504 and the connected cable.
and service it if detective.
Q421,Q422,
3-13
Page 33
FLOW CHART NO.15
Hi-Fi audio can not be playbacked normally in the linear audio mode. (E-E mode is normal.)
Yes
Is the audio signal supplied to Pin(100) of IC301?
Yes
No
Is the audio signal outputted to Pin(96) of IC301?
NoYes
Are the CL504, the connected cable and the parts
on periphery of playback amplifier normal?
Yes
Is there no dirt on the surface of AC head?
Yes
Is the height of AC head appropriate?
Yes
Replace the AC head.
No
No
No
Check the line between Pin(96) of
IC301 and Pin(4) of IC451, and
service it if detective.
Service and replace poor parts.
Clean the surface of AC head.
Readjust the height of the AC head.
Replace
IC301.
3-14
Page 34
3-2 FIRMWARE RENEWAL MODE
3-2-1 How to Update the Firmware Ver-
sion
1. Turn the power on and remove the disc on the tray.
2. To put the DVD player into version up mode, press
[9], [8], [7], [6], and [SEARCH MODE] buttons on
the remote control unit in that order. The tray will
open automatically.
Fig. a appears on the screen and Fig. b appears on
the VFD.
The DVD player can also enter the version up
mode with the tray open. In this case, Fig. a will be
shown on the screen while the tray is open.
5. After programming is finished, the tray opens automatically. Fig. e appears on the screen and the
checksum in (*3) of Fig. e appears on the VFD.
(Fig. f)
At this time, no buttons are available.
AppearanceNo.State
Reading...Sending files into the memory
1
Erasing...Erasing previous version data
2
Programming...
3Writing new version data
F/W Version Up Mode
Please insert a DISC
for F/W Version Up.
EXIT: POWER
Fig. a Version Up Mode Screen
Fig. b VFD in Version Up Mode
3. Load the disc for version up.
4. The DVD player enters the F/W version up mode
automatically. Fig. c appears on the screen and
Fig. d appears on the VFD.
F/W Version Up Mode
VERSION : ********
Reading...(*2)
EXIT: POWER
Fig. c Programming Mode Screen
F/W Version Up Mode
VERSION : ********
Completed
SUM : 7abc (*3)
Fig. e Completed Program Mode Screen
Fig. f VFD upon Finishing the Programming Mode (Example)
6. Unplug the AC cord from the AC outlet. Then plug it
again.
7. Turn the power on by pressing the power button
and the tray will close.
8. Press [1], [2], [3], [4], and [DISPLAY] buttons on the
remote control unit in that order.
Fig. g appears on the screen.
The appearance shown in (*2) of Fig. c is
described as follows:
Fig. g
9. Press [3] button on the remote control unit.
Fig. h appears on the screen.
3-15
Page 35
model: ******Ver: ****Region: **
TEST 3: EEPROM CLEAR
EEPROM CLEAR: OK
EXIT: POWERRETURN: -----
Fig. h
10.To finish this mode, press [POWER] button.
3-2-2 How to Verify the Firmware Ver-
sion
1. After making sure that no disc is in unit, turn the
power on.
2. Press [1], [2], [3], [4], and [DISPLAY] buttons on the
remote control unit in that order. The B/E version
appears on the VFD, and the F/E and B/E versions
appear on TV screen.
3. Turn the power off to reset the unit.
Note:
If the firmware has been changed, etc., we will use
Service News, etc. to report on how to obtain new
firmware data and create an upgraded disc.
3-16
Page 36
3-3 STANDARD MAINTENANCE
3-3-1 Service Schedule of Components
h: Hours : Check I: Change
DeckPeriodic Service Schedule
Ref.No.Part Name1,000 h2,000 h3,000 h4,000 h
B2
B3Loading Motor Assembly
B8
B587
B31AC Head Assembly
B573,B574
B37
B52Cap Belt
*B73
B133,B134
B410Pinch Arm AssemblyII
B414
B416
Cylinder Assembly
Pulley Assembly
Tension Lever Assembly
Reel (SP)(D2), Reel (TU)(D2)
Capstan Motor
FE Head
Idler Gear, Idler Arm
M Brake (SP) Assembly
M Brake (TU) Assembly
II
I
II
II
I
I
II
II
I
II
II
II
B525LDG BeltII
B569
(2 head only)
B593
(4 head,
4 head HiFi
only)
Notes:
1.Clean all parts for the tape transport (Upper Drum with Video Head / Pinch Roller / 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
Cam Holder (F) II
Cam Holder (F) AssemblyII
3-17
Page 37
3-3-2 Cleaning
Cleaning of Video Head
Clean the head with a head cleaning 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 drops of 90% Isopropyl alcohol on the
head cleaning stick or on the chamois cloth and,
by slightly pressing it against the head tip, turn 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 is very thin, avoid cleaning it
vertically.
2.Wait for the cleaned part to dry thoroughly 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% Isopropyl 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 !
Video Head
Cleaning Stick
3-18
Page 38
4
ADJUSTMENT
4-1 PREPARATION FOR SERVICING
4-1-1 How to Enter the Service Mode
About Optical Sensors
Caution:
An optical sensor system is used for the Tape Start
and End Sensors on this equipment. Carefully read
and follow the instructions below. Otherwise the unit
may operate erratically.
What to do for preparation
Insert a tape into the Deck Mechanism Assembly and
press the PLAY button. The tape will be loaded into
the Deck Mechanism Assembly. Make sure the power
is on, TP502 (SENSOR INHIBITION) to GND. This will
stop the function of Tape Start Sensor, Tape End Sensor and Reel Sensors. (If these TPs are connected
before plugging in the unit, the function of the sensors
will stay valid.) See Fig. 1.
Note: Because the Tape End Sensors are inactive, do
not run a tape all the way to the start or the end of the
tape to avoid tape damage.
3Flat Screwdriver Purchase LocallyI X Value Alignment
I Head Switching Point
I Tape Interchangeability Alignment
4-2
Page 40
4-3 ELECTRICAL ADJUSTMENT INSTRUCTIONS
General Note: "CBA" is an abbreviation for
"Circuit Board Assembly."
NOTE:
1.Electrical adjustments are required after replacing
circuit components and certain mechanical parts.
It is important to do these adjustments only after
all repairs and replacements have been completed. Also, do not attempt these adjustments
unless the proper equipment is available.
2.To perform these alignment / confirmation procedures, make sure that the tracking control is set in
the center position: Press either "CHANNEL L5?? " or
"CHANNEL K" button on the front panel first, then
the "PLAY" button on the front panel.
EXT. Syncronize Trigger Point
CH1
CH2
Figure 1
1.0H
Switching Pulse
6.5H
V-Sync
0.5H
4-3-1 Test Equipment Required
1.Oscilloscope: Dual-trace with 10:1 probe,
V-Range: 0.001~50V/Div.,
F-Range: DC~AC-20MHz
2.Alignment Tape (MH-1)
4-3-2 Head Switching Position
Adjustment
Purpose:
To determine the Head Switching point during
playback.
Symptom of Misadjustment:
May cause Head Switching noise or vertical jitter
in the picture.
Test pointAdj.PointModeInput
TP751(V-OUT)
TP302(RF-SW)
GND
Tape
VR501
(Switching Point)
(MAIN CBA)
Measurement
Equipment
PLAY
(SP)
Spec.
Reference Notes:
Playback the Alignment tape and adjust VR501 so that
the V-sync front edge of the CH1 video output waveform is at the 6.5H(412.7µs) delayed position from the
rising edge of the CH2 head switching pulse waveform.
-----
MH-1Oscilloscope
Connections of Measurement Equipment
TP751
Main CBA
GND
TP302
6.5H±1H
(412.7µs±60µs)
Oscilloscope
CH1 CH2
Trig. (+)
4-3
Page 41
4-4 MECHANICAL ALIGNMENT PROCEDURES
Explanation of alignment 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.
4-4-1 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 will 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 comes back 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 for 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 sure that the Moving 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 appropriate direction continuously, 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. Release the locking tabs shown
in Fig. M1 and continue turning the LDG Belt until
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
4-4
LDG Belt (B)
UNLOAD
/EJECT
Cam Gear
Fig. M2
Page 42
F
4-4-2 Tape Interchangeability Alignment
Note:
To do these alignment 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 4-7, 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.) (Page 4-6)
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.)
Adjust the X Value for maximum envelope.
(Page 4-6) (Use Alignment Tape.)
Adjust the envelope. (Page 4-7)
Check the envelope.
OK
Adjust the Audio Section.
(Azimuth Alignment) (Page 4-7)
1-A
1-A
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 (Page 4-6)
2. Envelope (Page 4-7)
OK
1-D
1-B, 1-C
Not good
Not good
Adjust the X value and envelope.
1-B, 1-C
4-5
Page 43
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 procedure. If the unit is not correctly aligned, the tape may
be damaged.
1. Playback a blank cassette tape and check to see
that the tape runs without creasing at Guide Rollers
[2] and [3], and at points A and B on the lead surface. (Refer to Fig. M3 and M4.)
2. If creasing is apparent, align the height of the guide
rollers by turning the top of Guide Rollers [2] and
[3] with a Guide Roller Adj. Screwdriver. (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. Check to see that the tape runs without creasing at
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
Flat
Screwdriver
Tilt Adj. Screw
Fig. M6
1-B. X Value Alignment
Purpose:
To align the Horizontal Position of the Audio/Control/
Erase Head.
Symptom of Misalignment:
If the Horizontal Position of the Audio/Control/Erase
Head is not properly aligned, maximum envelope cannot be obtained at the Neutral position of the Tracking
Control Circuit.
1. Connect the oscilloscope to TP301 (C-PB) and
TP513 (CTL) on the Main CBA. Use TP302 (RFSW) as a trigger.
2. Playback the Gray Scale of the Alignment Tape
(MH-1) and confirm that the PB FM signal is
present.
3. Set the 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
4-7.)
4. Use the Flat Screwdriver so that the PB FM signal
at TP301 (C-PB) is maximum. (Fig. M6)
5. Press CH UP button on the unit until the CTL waveform has shifted by approx. +2ms. 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.
4-6
Take-up Guide
Post
Tape
Fig. M5
Page 44
6. Press CH DOWN button on the unit until the CTL
waveform has shifted from its original position (not
the position achieved in step 5, but the position of
CTL waveform in step 4) by approximately -2ms.
Make sure that the envelope is simply attenuated
(shrinks in height) once CTL waveform passes its
original position and is further brought in the minus
direction.
7. Set the Tracking Control Circuit to the 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 tracking will then lose precision and the
playback picture will be distorted by any slight variation of the Tracking Control Circuit.
1. Connect the oscilloscope to TP301 (C-PB) on the
Main CBA. Use TP302 (RF-SW) as a trigger.
2. Playback the Gray Scale on the Alignment Tape
(MH-1). 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 4-6)
watching the oscilloscope display so that the envelope 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 envelope is as shown in Fig. M7, adjust the
height of Guide Roller [2] (Refer to Fig. M3) so that
the waveform looks like the one shown in Fig. M9.
4. If the envelope is as shown in Fig. M8, adjust the
height of Guide Roller [3] (Refer to Fig. M3) so that
the waveform looks like the one shown in Fig. M9.
5. When Guide Rollers [2] and [3] (Refer to Fig.M3)
are aligned properly, there is no envelope drop
either at the beginning or end of track as shown in
Fig. M9.
Dropping envelope level at the beginning of track.
Dropping envelope level at the end of track.
Fig. M8
Envelope is adjusted properly. (No envelope drop)
Fig. M9
Note: Upon completion of the adjustment of Guide
Rollers [2] and [3] (Refer to Fig. M3), check the X
Value by pushing the CH UP or DOWN buttons alternately, to check the symmetry of the envelope. Check
the number of pushes to ensure center 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/Control/
Erase Head
Purpose:
To correct the Azimuth alignment so that the Audio/
Control/Erase Head meets tape tracks properly.
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. Connect the oscilloscope to the audio output jack
on the rear side of the deck.
2. Playback the alignment tape (MH-1) 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)
Fig. M7
4-7
Page 45
5
DISASSEMBLY
5-1 CABINET DISASSEMBLY INSTRUCTIONS
5-1-1 Disassembly Flowchart
This flowchart indicates the disassembly steps to gain
access to item(s) to be serviced. When reassembling,
follow the steps in reverse order. Bend, route, and
dress the cables as they were originally.
[1] Top Cover
[2] Front
Assembly
[16] Side
Bracket
[5] DVD Main
CBA
[13] DVD OPEN/
CLOSE CBA
[12] Main CBA
[14] Function
CBA
[3] Top Bracket
[4] DVD Mecha
Assembly
[6] Rear Unit
[10] VCR
Chassis Unit
[15] Deck
Pedestal
[9] Rear Panel
[8] PCB Bracket
[7] Power
Supply CBA
[11] Deck
Assembly
5-1-2 Disassembly Method
ID/
LOC.
No.
[1]Top Cover D17(S-1)-
[2]
[3]
[4]
[5]
[6]Rear UnitD5
PART
Front
Assembly
To p
Bracket
DVD
Mecha
Assembly
DVD Main
CBA
Fig.
No.
D2(S-3), *7(L-1)
D24(S-2)-
D3
D4
REMOVAL
REMOVE/*UNHOOK/
UNLOCK/RELEASE/
UNPLUG/DESOLDER
3(S-4), *CN401,
*CN601
2(S-5), *CN201,
*CN301
5(S-6), 4(S-7),
CN1005
Note
1
1-1
1-2
-
2
2-1
2-2
2-3
3
-
ID/
LOC.
No.
[7]
[8]
[9]
[10]
[11]
[12]Main CBA D8-----------
[13]
[14]
[15]
[16]
↓
(1)
Note:
(1): Identification (location) No. of parts in the figures
(2): Name of the part
(3): Figure Number for reference
(4): Identification of parts to be removed, unhooked,
(5): Refer to “Reference Notes.”
PAR T
Power
Supply
CBA
PCB
Bracket
Rear Panel
VCR
Chassis
Unit
Deck
Assembly
DVD
OPEN/
CLOSE
CBA
Function
CBA
Deck
Pedestal
Side
Bracket
↓
(2)
unlocked, released, unplugged, unclamped, or
desoldered.
P=Spring, L=Locking Tab, S=Screw,
CN=Connector
*=Unhook, Unlock, Release, Unplug, or Desolder
e.g. 2(S-2) = two Screws (S-2),
2(L-2) = two Locking Tabs (L-2)
Fig.
No.
D64(S-8)-
D63(S-9)-
D6-----------
D75(S-10), 4(S-11)-
D8Desolder, 2(S-12)4,5
D8-----------
D8-----------
D97(S-13)-
D9(S-14)-
↓
(3)
REMOVAL
REMOVE/*UNHOOK/
UNLOCK/RELEASE/
UNPLUG/DESOLDER
↓
(4)
Note
↓
(5)
5-1
Page 46
Reference Notes
CAUTION 1: Locking Tabs (L-1) are fragile. Be careful
not to break them.
1-1. Remove Screw (S-3).
1-2. Release seven Locking Tabs (L-1) (to do this,
first release five Locking Tabs (A) at the side and
top, and then release two Locking Tabs (B) at the
bottom.)
CAUTION 2: Electrostatic breakdown of the laser
diode in the optical system block may occur as a
potential difference caused by electrostatic charge
accumulated on cloth, human body etc., during
unpacking or repair work.
To avoid damage of pickup follow next procedures.
2-1. Slide the pickup unit as shown in Fig. D4.
2-2. Short the three short lands of FPC cable with sol-
der before removing the FFC cable (CN301) from
it. If you disconnect the FFC cable (CN301), the
laser diode of pickup will be destroyed. (Fig. D4)
2-3. Disconnect Connector (CN201). Remove two
Screws (S-5) and lift the DVD Main CBA. (Fig.
D4)
CAUTION 3: When reassembling, confirm the FFC
cable (CN301) is connected completely. Then remove
the solder from the three short lands of FPC cable.
(Fig. D4)
CAUTION 4: When reassembling, solder wire jumpers
as shown in Fig. D8.
CAUTION 5: Before installing the Deck Assembly, be
sure to place the pin of LD-SW on Main CBA as shown
in Fig. D8. Then, install the Deck Assembly while
aligning the hole of Cam Gear with the pin of LD-SW,
the shaft of Cam Gear with the hole of LD-SW as
shown in Fig. D8.
(L-1)
(A)
(L-1)
(S-3)
(B)
[2] Front Assembly
CN601
(S-4)
CN401
(S-2)
(S-2)
[3] Top Bracket
(S-2)
(A)
(L-1)
(A)
Fig. D2
(S-4)
(S-4)
[4] DVD Mecha Assembly
5-2
(S-1)
[1] Top Cover
Fig. D3
(S-1)
(S-1)
Fig. D1
Page 47
(S-5)
CN301
CN201
(S-5)
[5] DVD Main
(S-9)
CBA
[9] Rear Panel
(S-8)
[8] PCB Bracket
[7] Power Supply CBA
DVD Mecha
(S-8)
Fig. D6
A
Slide
B
View for A
[6] Rear Unit
Pickup Unit
Short the three short
lands by soldering
(S-7)
CN1005
View for B
Fig. D4
(S-6)
(S-7)
(S-6)
(S-10)
(S-11)
[10] VCR Chassis Unit
(S-11)
(S-11)
(S-10)
(S-11)
(S-10)
Fig. D7
(S-7)
Fig. D5
5-3
Page 48
[11] Deck
Assembly
FE Head
Desolder
Cylinder Assembly
AC Head
Assembly
Pin
SW507
LD-SW
Lead with
blue stripe
[13] DVD OPEN/
CLOSE CBA
(S-12)
[14] Function CBA
From
AC Head
Assembly
[12] Main CBA
(S-12)
Lead with
blue stripe
Desolder
From
Cylinder
Assembly
[11] Deck Assembly
Shaft
Hole
LD-SW
Lead with
blue stripe
[12] Main CBA
Cam Gear
Hole
Pin
[12] Main CBA
From
FE Head
5-4
From
Capstan
Motor
Assembly
Printing side
Desolder
Desolder
BOTTOM VIEW
Lead connections of Deck Assembly and Main CBA
Lead with
white stripe
Fig. D8
Page 49
[15] Deck Pedestal
(S-13)
(S-14)
[16] Side
Bracket
(S-13)
To Remove the Disc Manually
Fig. D9
1. Remove the Top Cover.
2. Rotate this roulette in the direction of the arrow as
shown below.
Top Cover
1
DVD Mecha
Tray
Deck Assembly
3
2
Rotate this roulette in
the direction of the arrow
2
5-5
Page 50
5-2 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 5-1.)
All the following proc edures, including those for adjustment and replacement of parts, should be done in Ejec t
mode; see the positio ns of [41 ] and [42] in Fig. DM1 on page 5-8. Wh en reass embli ng, foll ow the ste ps in reverse
order.
STEP
/LOC.
No.
[10][2]Tape Guide Arm Assembly TDM1,DM8*(P-2)
[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 Sh aftTDM10*(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.
.
5-7
Page 52
Top 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]
5-8
[31][21][22]
Fig. DM2
Page 53
(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
5-9
Page 54
[9]
A
(S-4)
[8]
[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)
5-10
Pin of [12]
View for A
Pin of [10]
Groove of [28]
[28]
A
(S-7)
Fig. DM10
When reassembling [10] and
[12], confirm that pin of [10]
and pin of [12] are in the
groove of [28] as shown.
Fig. DM8
Page 55
Cap Belt
[20]
(S-8)
[23]
(C-4)
(P-5)
(P-5)
[22]
(L-6)
(C-1)
[21]
Fig. DM11
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]
Top View
Pin on [22]
Position of pin on [22]
[28]
Fig. DM12
5-11
Page 56
[25]
(C-3)
[31]
(P-6)
Refer to the Alignment
Section, Page 5-14.
(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]
Top View
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
[39]
(L-12)
[38]
turn
Fig. DM15
5-12
Page 57
[41]
[42]
[43]
(L-13)
Fig. DM16
[45]
[44]
Slide
Fig. DM17
5-13
Page 58
5-3 ALIGNMENT PROCEDURES OF MECHANISM
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 only 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 sequence given. Each
procedure assumes that all previous procedures have
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 it may result in damage to the
mechanical or electrical parts.
Alignment points in Eject Position
Top 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 other,
install the Loading Arm (TU) Assembly so that the
last tooth of the gear meets the most inside teeth
of the Mode Gear. See Fig. AL2.
Alignment 1
Triangle Marks
Loading Arm
(SP) Assembly
Last Tooth
Alignment 2
Loading Arm
(TU) Assembly
Most inside teeth
of Mode Gear
Mode Gear
Fig. AL2
Bottom View
Alignment 1
Alignment 2
Fig. AL1
Alignment 3
Cam Gear (A), Rack Assembly
Install the Rack Assembly so 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.
Top View
First groove
on the Cam Gear (A)
Cam Gear (A)
Alignment 3
First tooth
Gear on Rack Assembly
Fig. AL3
5-14
Page 59
EXPLODED VIEWS AND PARTS LIST6
1
2
3
4
5
6-1 EXPLODED VIEWS
6-1-1 Cabinet Section
2L041
2L041
A2
W012
W017
L1-A
C
L1-B
2L041
2L041
2L041
2L071
2L071
2L071
2L071
2L071
B
W011
A20
2L032
A
2L021
2L011
2L051
2B6
2B2
2L032
2B3
001
DVD Main CBA
[CBA REPLACEMENT (ORDER FORMAT)]
2L051
2L021
2L021
2L031
2L052
F1001
2L031
2L052
2B7
1B2
DVD MECHANISM
[UNIT REPLACEMENT (ORDER FORMAT)]
2B13TE13012BUSH, LED(E)
2B15TJ15122BUSH, LED(F)
2B33TJ16891HEATSINK
2B40TJ16881INSULATOR
2L011TJ15952SCREW, S 3X8
SYMBOL-NOP-NO DESCRIPTION
B31TS18415AC HEAD ASSEMBLY
B35TS18416TAPE GUIDE ARM ASSEMBLY
B37TS18417CAPSTAN MOTOR
B52TJ15161CAP BELT
B73TS17499FE HEAD ASSEMBLY
B74TJ15163PRISM
B121TJ16896WORM
B126TJ16897PULLEY
B133TJ16898IDLER GEAR
B134TJ16899IDLER ARM
B148TJ15984TG CAP
B300TJ16901CASSETTE DRIVE LEVER(TU)
B303TJ16902F DOOR OPENER
B313TJ16903CASSETTE DRIVE SPRING
B347TJ15987GUIDE HOLDER A
B354TJ16904SLIDER(TU)
B355TJ16905SLIDER(SP)
B359TJ15103CLEANER LEVER
B360TJ15104CLEANER ROLLER
B361TJ15105CL POST
B410TS18418PINCH ARM ASSEMBLY
B411TJ16906PINCH SPRING
B414TS18419M BRAKE(SP) ASSEMBLY
B416TS18421M BRAKE(TU) ASSEMBLY
B417TJ16907TENSION SPRING
2L012TJ15956SCREW, S M3X8
2L013TJ15956SCREW, S M3X8
2L021TJ16882SCREW, S M3X26
2L031TJ15955SCREW, S M3X5
2L032TJ15955SCREW, S M3X5
2L033TJ15955SCREW, S M3X5
2L034TJ10176SCREW, S M3X6
2L041TJ15891SCREW, C M3X5 [DV-PF33U]A
2L041TJ16023SCREW, C M3X5 [DV-PF73U/PF73U(C)]
2L051TJ14057SCREW, P M3X6
2L052TJ14057SCREW, P M3X6
2L054TJ14057SCREW, P M3X6
2L061TJ15892SCREW, B M3X8
2L062TJ15892SCREW, B M3X8
2L071TJ10119SCREW, P M3X10
2L081TJ16883SCREW, S M3X5
2L082TJ16883SCREW, S M3X5
2L091TJ15954SCREW, P M3X8
B2TS18412CYLINDER ASSEMBLY
B3TS18413LOADING MOTOR ASSEMBLY
Many electrical and mechanical parts in this chassis
have special characteristics. These characteristics
often pass unnoticed and the protection afforded by
them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage,
etc. Replacement parts that have these special safety
characteristics are identified in this manual and its
supplements; electrical components 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 safety characteristics as specified in the parts list may create shock, fire, or other
hazards.
Capacitor Temperature Markings
Mark
(B)
Capacity
change rate
±10%
(F)+30 - 80%20°C-25~+85°C
(SR)
±15%
(Z)+30 - 80%20°C-10~+70°C
Standard
Temperature
temperature
20°C-25~+85°C
20°C-25~+85°C
range
Notes:
1. Do not use the part number shown on 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 voltages are DC voltages unless otherwise
specified.
Values in schematic diagrams
The values, dielectric strength ( power capacitance )
and tolerances of the resistors ( excluding variable
resistors ) and capacitors are indicated in the schematic diagrams using abbreviations.
[ Resistors ]
ItemIndication
No indication...........................
Value
Power
capacitance
K............................................k
M..........................................M
No indication............1/4W,1/6W
All capacitances other than the
above are indicated in schematic
diagrams.
Capacitors and transistors are represented by the following symbols.
CBA Symbols
(Top View) (Bottom View)
(Bottom View)
E C B
(Top View)
E C B
(Top View)
E C B
Schematic Diagram Symbols
+
Electrolytic Capacitor
Transistor or Digital Transistor
(Top View)
NPN
Transistor
NPN Digital
Transistor
Digital Transistor
E C B
(Top View)
E C B
PNP
Transistor
PNP Digital
Transistor
[ Capacitors ]
ItemIndication
Value
No indication...........................
P..............................................pF
No indication...........................50V
Dielectric
strength
All dielectric strengths other than
50V are indicated in schematic
diagrams.
[ Coils ]
ItemIndication
Value
...............................................
m.............................................mH
F
H
1
Page 67
LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING
PAG ES :
1. CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME
TYPE FUSE.
F
A V
ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER QUE
DES FUSIBLE DE MEMO TYPE.
RISK OF FIRE-REPLACE FUSE AS MARKED.
This symbol means fast operating fuse.
Ce symbole represente un fusible a fusion rapide.
2. CAUTION:
Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F1001) 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 power supply. Otherwise it may cause some components in the
power supply circuit to fail.
3. Note:
(1) Do not use the part number shown on the drawings for ordering. The correct part number is shown in the parts
list, and may be slightly different or amended since the drawings were prepared.
(2) To 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. Voltage indications for PLAY and REC modes on the schematics are as shown below:
< DVD Section >
5.0
The same voltage for
both PLAY & STOP modes
5.0
(2.5)
PLAY mode
STOP mode
231
Indicates that the voltage
is not consistent here.
The same voltage for
both PLAY, REC & DVD
modes
< VCR Section >
231
5.0
5.0
(2.5)
< >
Indicates that the voltage
is not consistent here.
PLAY mode
REC mode
DVD mode
6. How to read converged lines
1-D3
Distinction Area
Line Number
(1 to 3 digits)
3
AREA D3
2
AREA B1
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".
1
1-D3
ABCD
7. 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.
Unit: Volts
1-B1
: Used to indicate a test point with no test pin.
: Used to indicate a test point with a test pin.
2
Page 68
2 WIRING DIAGRAMS
2-1 VCR Section
(DECK ASSEMBLY)
FRONT
VIDEOINAUDIO
IN (R)
AUDIO
IN (L)
S-VIDEO
OUT
AUDIO
OUT (R)
AUDIO
OUT (L)
VIDEO
IN
AUDIO
IN (R)
AUDIO
IN (L)
REAR
VIDEO
OUT
AUDIO
OUT (R)
AUDIO
OUT (L)
VIDEO-YVIDEO-CrVIDEO-Cb
DIGITAL
AUDIO OUT
AC HEAD ASSEMBLY
AUDIO
ERASE HEAD
AUDIO HEAD
CONTROL HEAD
FE HEAD
FULL
ERASE HEAD
MOTOR
CYLINDER ASSEMBLY
PG
SENSOR
DRUM
MOTOR
Hi-Fi AUDIO
(R) HEAD
Hi-Fi AUDIO
(L) HEAD
M
VIDEO
(R)1
HEAD
VIDEO
(L)1
HEAD
VIDEO
(L)2
HEAD
VIDEO
(R)2
HEAD
MAIN CBA
CL504
AE-H
1
AE-H/FE-H
2
A-COM3
A-PB/REC4
CTL(+)5
6
CTL(-)
CL501
1
AE-H/FE-H
FE-H GND2
CAPSTAN MOTOR
MLOADING
M
CAPSTAN
MOTOR
CL502
1 AL+12V
P-ON+5V
2
3 C-FG
4
C-F/R
C-CONT5
GND
6
LM-FWD/REV
7
D-CONT8
D-PFG9
GND
10
AL+12V
11
AL+15V12
CL253
V(R)-11
V-COM2
3 V(L)-1
V(L)-2
4
V-COM5
V(R)-26
Hi-Fi-A(R)7
Hi-Fi-COM8
Hi-Fi-A(L)9
CN1003CN1005CL1002
1AL+44V
1
2
2P-DOWN-L
3
3AL+12V
4
4GND
5
5AL+5V
6GND6 GND
6
7
7AL-24V
8NU
8
9AL+2.35V
9
10GND
10
11AL+4V
11
12GND
12
13GND
13
14F1
14
15F2
15
CL1004
CL1007
W001
1
2
3
4
5
6
7
8
W002
1
2
3
4
5
6
7
1 AL+44V
2 P-DOWN-L
3 AL+12V
4 GND
5 AL+5V
7 AL-24V
8 NU
CL1006
1 AL+2.35V
2 GND
3 AL+4V
4 GND
5 GND
6 F1
7 F2
POWER SUPPLY CBAJUNCTION CBA
SENSOR CBA
SENSOR CBA
CL2003CL2002
CL509CL508
W003
GND
11
OPEN/CLOSE
22
W004
POWER-LED
11
KEY-1
22
GND
33
DVD OPEN/CLOSE CBA
FUNCTION CBA
AC CORD
CN1001
EV+1.5V
EV+1.5V
EV+1.5V
EV+3.3V
EV+3.3V
GND
GND
GND
GND
GND
GND
GND
DVD-P-ON+5V
EV+9V
EV+9V
FP-STB
DVD-P-ON+3.3V
FP-DIN
PWRCON
OUT-SEL/SKIP-UP
FP-CLK
REMOTE-DVD
CN1601
I/P-SW 1
ASPECT(NU)
VODEO-Cr
GND
VIDEO-Cb
GND
VIDEO-Y
GND
VIDEO-C
GND
GND
DVD-A-MUTE
DVD-A(L)
DVD-A(L)-MUTE
DVD-A(R)
DVD-A(R)-MUTE
AUDIO+5V
SPDIF
CN2001
PLAY
STOP
POWER
OPEN/CLOSE
ANT-IN
ANT-OUT
1
2
3
4
5
6
7
8
9
TO DVD
10
MAIN CBA
11
CN401
12
(W011)
13
14
15
16
17
18
19
20
21
22
2
3
4
5
6
7
TO DVD
8
MAIN CBA
9
CN601
10
(W012)
11
12
13
14
15
16
17
18
1
TO DVD
2
MAIN CBA
CN302
3
(W017)
4
TO WIRING
DIAGRAM
<DVD SECTION>
3
Page 69
2-2 DVD Section
DVD MECHA
FG
SENSOR
FG CBA
SPINDLE
MOTOR
SLED
MOTOR
CN401
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
SPDIF
PLAY
STOP
1
2
3
4
5
6
7
8
9
10
TO MAIN CBA
11
CN1001
(W011)
12
13
14
15
16
17
18
19
20
21
22
2
3
4
5
6
7
8
TO MAIN CBA
9
CN1601
10
(W012)
11
12
13
14
15
16
17
18
1
TO MAIN CBA
2
CN2001
3
(W017)
4
TO WIRING
DIAGRAM
<VCR SECTION>
TRAY-OUT
CN301
1
FG-IN
2
TRAY-IN
M
M
DVD-P-ON+3.3V
3
SP(+)
4
SP(-)
5
TRAY-OUT
6
TRAY-IN
7
GND
8 SL(-)
9 SL(+)
DRIVE CBA
(NO CONNECTION)
CN204
DVD MAIN CBA
DETECTOR
11
1
ANALOG-MONITOR
2 GND
CN201
GND
1
2 E
DVD-P-ON+5V
3
VREF
4
2
3
5
6
4
7
FSTS
5 B
6 C
D
7
8 A
CD/DVD
9
10
F
GND(LD)
11
CD-LD
12
PD-MONI
13
DVD-LD
14
GND(DVD-PD)
15
GND(CD-PD)
16
TS(-)
17
FS(+)
18
FS(-)
19
TS(+)
20
EV+1.5V
EV+1.5V
EV+1.5V
EV+3.3V
EV+3.3V
DVD-P-ON+5V
EV+9V
EV+9V
FP-STB
DVD-P-ON+3.3V
FP-DIN
PWRCON
OUT-SEL
FP-CLK
REMOTE-DVD
CN601
I/P-SW 1
ASPECT(NU)
VODEO-Cr
VIDEO-Cb
VIDEO-Y
VIDEO-C
DVD-A-MUTE
DVD-A(L)
DVD-A(L)-MUTE
DVD-A(R)
DVD-A(R)-MUTE
AUDIO+5V
CN302
POWER
OPEN/CLOSE
PICK UP UNIT
4
Page 70
3 SCHEMATIC DIAGRAMS
3-1 Main 1/8 Schematic Diagram
5
Page 71
3-2 Main 2/8 & Sensor Schematic Diagrams
1
Note:
*
When it is necessary to replace one or more of the following Diodes,
all four should be replaced: D564, D565, D566, D567.
6
Page 72
3-3 Main 3/8 Schematic Diagram
7
Page 73
3-4 Main 4/8 Schematic Diagram
8
Page 74
3-5 Main 5/8 Schematic Diagram
9
Page 75
3-6 Main 6/8 Schematic Diagram
10
Page 76
3-7 Main 7/8 & DVD OPEN/ CLOSE Schematic Diagrams
11
Page 77
3-8 Main 8/8 Schematic Diagram
12
Page 78
3-9 Power Supply & Junction Schematic Diagrams
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F1001) 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.
F
A V
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
RISK OF FIRE-REPLACE FUSE AS MARKED.
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
13
Page 79
3-10 Function Schematic Diagram
1
Note:
*
When it is necessary to replace one or more of the following Diodes,
all one should be replaced: D561.
14
Page 80
3-11 DVD Main 1/3 Schematic Diagram
15
Page 81
3-12 DVD Main 2/3 Schematic Diagram
16
Page 82
PIN.NO PLAYSTOP PIN.NO PLAYSTOP PIN.NO P LAYSTOP
1610.50.5193~~2251.91.9
1621.41.4194002263.33.3
163----------1953.33.3227~~
1640.90.9196~~228~~
1653.33.3197~~229~~
1661.51.51980023000
16700199~~231----------
1682.12.1200~~2323.33.3
16900201~~2333. 33.3
1700.80.82023.33. 32341.61.6
1713.33.3203~~235~~
1721.61.6204~~23600
173----------205~~2371.71.7
1741.81.8206002383.03.0
1751.71.72072.43. 52393.33.3
1761.40.12082.42. 12403.33.3
177002093.33. 324100
178----------210~~2423.23.2
179----------211002432.42.1
180----------212~~2441.51.5
1811.71.72131.51. 524500
1823.33.3214~~2462.42.1
1830021500247~~
184~~216~~24800
185~~217~~249~~
1861.51.52183.33. 32503.33.3
187~~219~~251~~
188~~220~~252~~
1893.33.322100253~~
190~~2221.51.525400
191~~2231.91.9255~~
192~~22400256~~
IC101 VOLTAGE CHART
PIN.NO PLAYSTOP PIN.NO P LAYSTOP PIN.NO P LAYSTOP PIN.NO P LAYSTOP PIN.NO PLAYSTOP
Input
CD: 1kHz PLAY
(WF7~WF9)
DVD: POWER ON (STOP) MODE
(WF4~WF6)
1V0.5msec
V-OUT 0.1V x 10
RF-SW 0.5V x 10
50usec
WF3
UPPER
WF2
LOWER
C-PB 10mV x 10
RF-SW 0.5V x 10
(TP301 of Main CBA)
(TP302 of Main CBA)
5msec
VIDEO-C0.2V20µsec
WF6 Pin 21 of IC1402
VIDEO-CVBS0.5V20µsec
AUDIO-R
WF9
Pin 18 of CN1601
SPDIF
1V
1V0.1µsec
19
Page 85
5 CIRCUIT BOARD DIAGRAMS
5-1 Main CBA Top View & Sensor CBA Top View
Sensor CBA Top View
WF1
TP751
V-OUT
WF3
TP301
C-PB
TP513
CTL
WF2
TP302
RF-SW
VR501
SW-P
TP502
S-INH
20
Page 86
5-2 Main CBA Bottom View
21
Page 87
5-3 Function CBA Top/Bottom View & DVD OPEN/CLOSE CBA Top/Bottom View
Function CBA Top View
Function CBA Bottom View
DVD OPEN/CLOSE CBA Top ViewDVD OPEN /CLOSE CBA Bottom View
22
Page 88
5-4 Power Supply CBA Top/Bottom View
Power Supply CBA Top View
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
F
A V
REPLACE ONLY WITH THE SAME TYPE FUSE.
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
RISK OF FIRE-REPLACE FUSE AS MARKED.
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
Power Supply CBA Bottom View
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F1001) 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
SLOWLY , WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY
CIRCUIT , A VARIABLE ISOLATION TRANSFORMER IS REQUIRED.
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
23
Page 89
6 BLOCK DIAGRAMS
6-1 Servo/System Control Block Diagram
MAIN CBA
(DECK ASSEMBLY)
AC HEAD ASSEMBLY
CN504
CONTROL
HEAD
CL504
5 CTL(+)
6 CTL(-)
D555
S-LED
AL+5V
FROM/TO DVD SYSTEM
CONTROL BLOCK
DIAGRAM
<DVD SECTION>
REMOTE-VIDEO
DISPLAY-CLK
DISPLAY-DATA
DISPLAY-ENA
SW512
LD-SW
TP513
CTL
AL+5V
IC501
(SERVO/SYSTEM CONTROL)
REMOTE-VIDEO
5
DISPLAY-CLK
6
DISPLAY-DATA
8
DISPLAY-ENA
9
58
CTL
56
CTL(+)
57
CTL(-)
KEY- 1
KEY- 2
REC-IND
TIMER-IND 75
67
66
72
P-ON+9V
KEY
SWITCH
KEY
SWITCH
TP502
S-INH
AL+5V
11POWER-LED
22KEY-1
Q565
Q563
CL508CL509
FUNCTION CBA
D565
REC
D564 TIMER
D566 VCR
D561
KEY
SWITCH
POWER
CYLINDER ASSEMBLY
PG
SENSOR
DRUM
MOTOR
M
LOADING
MOTOR
M
Q504
ST-S
SENSOR CBA
Q503
END-S
SENSOR CBA
CAPSTAN MOTOR
CAPSTAN
MOTOR
M
TP506
ST-S
CL502
1 AL+12V
2 P-ON+5V
3 C-FG
C-F/R
4
C-CONT
5
GND
6
LM-FWD/REV
7
D-CONT
8
D-PFG
9
GND
10
AL+12V
11
AL+15V
12
T-REEL
Q506
T-REEL
TP505
TP507
END-S
TIMER+5V
VR501
SW-POINT
AL+12V
P-ON+5V
AL+12V
AL+15V
AL+5V
AL+5V
Q501
RESET
SW511
REC SW
LD-SW68
69
ST-S
62
END-S
T-REEL
3
RESET
20
PG-DELAY
65
REC-
2
SAF-SW
49
C-FG
C-F/R
27
C-CONT
28
LM-FWD/REV
21
D-CONT29
D-PFG
47
VCR-IND 70
DVD-IND 71
DVD-POWER
VCR/TV
IIC-BUS SDA
Hi-Fi-H-SW
Hi-Fi/NOR-IN
ST/SAP-IN
A-MUTE-H
D-REC-H
D-PB-L
INSEL/ST-SL
C-SYNC
D-V SYNC
V-ENV
C-ROTA
RF-SW
TRICK-H
H-A-SW
H-A-COMP
OUTPUT-SELECT
P-ON-L
P-DOWN-L
26
77
13IIC-BUS SCL
12
25
59
61
24
23
16
41
19
64
78
18
11
14SP/LP/SLP
79
80
46
22
Q566
Q567
11
12
7
OUTPUT-SELECT
OUTPUT-SELECT
1
OUTPUT-SELECT
D567 DVD
DVD POWER
TU701(TUNER UNIT)
CLOCK
DATA
VCR/TV5
IIC-BUS SCL
IIC-BUS SDA
Hi-Fi-H-SW
NORMAL-H
ST/SAP-MODE
A-MUTE-H
A-MUTE-H
D-REC-H
D-PB-L
D-REC-H
D-PB-L
INSEL/ST-SL
C-SYNC
D-V SYNC
V-ENV
C-ROTA
RF-SW
TRICK-H
SP/LP/SLP
H-A-SW
H-A-COMP
P-ON-L
P-DOWN-L
TO DVD SYSTEM
CONTROL BLOCK
DIAGRAM
<DVD SECTION>
FROM/TOHi-Fi AUDIO
BLOCK
TO AUDIO
BLOCK
FROM/TO
VIDEO BLOCK
FROM/TO POWER
SUPPLY BLOCK
TO DVD SYSTEM
CONTROL BLOCK
DIAGRAM
24
Page 90
6-2 Video Block Diagram
JK751
V-OUT
TU701
VIDEO IN
VIDEO OUT
JK752
REAR
V-IN
18
TP751
V-OUT
6
WF1
FROM
SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
Q391
BUFFER
OUTPUT-SELECT
IC301
42
15
Q760
(Y/C PROCESS)
TUNER
(OUTPUT SELECT)
IC751
SW CTL
9 10 11
VCR
DVD
REC VIDEO SIGNAL PB VIDEO SIGNAL DVD VIDEO SIGNAL MODE: SP/REC
1
IC501
(OSD)
MAIN CBA
2
OSD CHARACTER
38
MIX
40
35
6dB
AMP
45474944
CCD 1H
DELAY
Q301
BUFFER
FROM DVD
VIDEO/AUDIO
BLOCK DIAGRAM
<DVD SECTION>
JK753
FRONT
V-IN
(DECK ASSEMBLY)
DVD-VIDEO
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
VIDEO (R)-1 HEAD
VIDEO (L)-1 HEAD
VIDEO (L)-2 HEAD
VIDEO (R)-2 HEAD
CYLINDER ASSEMBLY
INSEL/ST-SL
D-PB-L
D-REC-H
TRICK-H
C-SYNC
C-ROTA
D-V SYNC
SP/LP/SLP
REAR
38
FRONT
40
71
16
REC/EE/PB
D-REC-H
11
TRICK
73
34
C-ROTA
14
D-V SYNC
39
SP/LP/SLP
59
V-AGC
SYNC
SEPA
R
P
CL253
V(R)-1
1
V-COM
2
V(L)-1
3
V(L)-2
4
V-COM
5
V(R)-2
6
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
FBC
R P
Y/C
MIX
TP302
RF-SW
WF2
RF-SW
V-ENV
H-A-SW
H-A-COMP
91
90
89
88
85
84
83
82
13
93
15
H-A-COMP
94
DOC YNR Y/C COMB
CHROMINANCE
SIGNAL PROCESS
R
L
L
R
SP
LP/EP
HPF
LUMINANCE
SIGNAL PROCESS
AGC
AMP
R
P
ENV
DET
74
TP301
C-PB
WF3
25
Page 91
6-3 Audio Block Diagram
REAR
TU701
SIF
MOD-A
A-OUT (R)
A-OUT (L)
A-OUT (R)
A-OUT (L)
A-IN (R)
A-IN (L)
15
2
JK751
JK756
JK752
TP753
A-OUT (R)
4
14
TP754
A-OUT (L)
Q760
OUTPUT-SELECT
IC751
(OUTPUT SELECT)
DVD
VCR
DVD
VCR
SW CTL
9 10 11
FROM SERVO/SYSTEM
CONTOL BLOCK
DIAGRAM
12
13
PB-AUDIO SIGNALREC-AUDIO SIGNALMode : SP/REC
DVD AUDIO SIGNAL
MAIN CBA
DVD-A(R)
DVD-A(L)
MOD-A
A-IN (L)-F
5
3
IC301
(AUDIO PROCESS)76
78
80
TUNER
REAR
FRONT
ALC
A-IN (R)-F
A-OUT (R)
A-IN (R)
A-IN (L)
A-OUT (L)
N-A-OUT
N-A-IN
FROM DVD VIDEO/
AUDIO BLOCK
DIAGRAM
<DVD SECTION>
SIF
FROM/TO Hi-Fi AUDIO
BLOCK DIAGRAM
JK754
A-IN (L)-F
FRONT
JK755
A-IN (R)-F
(DECK ASSEMBLY)
AUDIO
HEAD
AUDIO
ERASE
HEAD
FULL
ERASE
HEAD
AC HEAD ASSEMBLY
FE HEAD
CL504
4 A-PB/REC
3 A-COM
1 AE-H
2 AE-H/FE-H
CL501
1 AE-H/FE-H
2 FE-H-GND
Q422
BIAS
OSC
P-ON+5V
Q423 (PB=ON)
Q425
Q424
(PB=ON)
Q421
SWITCHING
D-REC OFF
P-ON+5V
99
R
4
EQ
AMP
SP/LP-ON
3
AUTO
BIAS
1
2
6
100
7
LINE
AMP
P
REC
AMP
D-REC-H
11 12
MUTE
REC/EE/PB
16
96
98
D-PB-L
A-MUTE-H
D-REC-H
FROM
SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
26
Page 92
6-4 Hi-Fi Audio Block Diagram
SIF
IC451 (MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
57
SAP
DET
SIF
DEMOD
CONT
SAP
FILTER
STEREO
FILTER
PILOT
DET
STEREO
PLL
6263
SAP
DEMOD
PILOT
CANCEL
MAIN CBA
L-R
DEMOD
ST/SAP
SW
DC
dBX
DEC
MATRIX
REC-AUDIO SIGNALPB-AUDIO SIGNALMode : SP/REC
SERIAL
DATA
DECODER
RIPPLE
FILTER
DVD AUDIO SIGNAL
37
38
54
P-ON+9V
IIC-BUS SDA
IIC-BUS SCL
FROM/TO
SERVO/ SYSTEM
CONTROL BLOCK
FROM/TO
AUDIO BLOCK
FROM DVD
AUDIO BLOCK
<DVD SECTION>
A-IN(R)
A-IN(R)-F
N-A-OUT
A-IN(L)
A-IN(L)-F
DVD-A(L)
DVD-A(R)
74
69
71
12
R-CH
PNR
R-CH
INSEL
6
7
9
NOR
SW
L-CH
INSEL
4847
1314
P
R
SW
NOISE
LIMDEV
COMP
HOLD
PULSE
NOISE
DET
VCO
LPF
MATRIX
R-CH BPF
OUTPUT
SELECT
COMP
ALC
DO
DET
MUTE
ENV
DET
MODE
OUT
40
23
80
78
77
39
49
26
ST/SAP-MODE
NORMAL-H
4
2
1
N-A-IN
A-OUT (L)
MOD-A
A-OUT (R)
Hi-Fi-H-SW
A-MUTE-H
TO SERVO/SYSTEM
CONTROL BLOCK
FROM/TO
AUDIO BLOCK
FROM
SERVO/SYSTEM
CONTROL BLOCK
CYLINDER
ASSEMBLY
LPF
L-CH BPF
LIM
3433
R
L
24
27
CL253
Hi-Fi-A(R)7
Hi-Fi-COM8
Hi-Fi-A(L)9
Hi-Fi
AUDIO
(R) HEAD
Hi-Fi
AUDIO
(L) HEAD
L-CH
PNR
LIMDEV
R
SW
P
NOISE
VCO
COMP
27
Page 93
6-5 Power Supply Block Diagram
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
HOT CIRCUIT. BE CAREFUL.
F
F
A V
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
D'INCELE N'UTILISER QUE DES FUSIBLE DE MEMO TYPE.
RISK OF FIRE
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
-REPLACE FUSE AS MARKED.
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F001) 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.