I Specifications
I Preparation for Servicing
I Adjustment Procedures
I Schematic Diagrams
I CBA’s
I Exploded views
I Parts List
Sec. 2: Deck Mechanism Section
I Standard Maintenance
I Alignment for Mechanism
I Disassembly/Assembly of Mechanism
I Alignment Procedures of Mechanism
I Deck Exploded Views
I Deck Parts List
DVD RECORDER &
VIDEO CASSETTE RECORDER
SRDV495
OPEN/CLOSE
PLAYREWPOWERF.FWD STOP/EJECT
VCR
RECORD
CHANNEL
DUBBING
VCRDVD
OUTPUT SELECT
STOP PLAY
DVD
RECORD
S-VIDEO VIDEO L - AUDIO - R
IMPORTANT SAFETY NOTICE
Proper service and repair is important to the safe, reliable operation of all
Funai Equipment. The service procedures recommended by Funai and
described in this service manual ar e effective methods of perf orming service
operations. Some of these service special tools should be used when and as
recommended.
It is important to note that this service manual contains various CAUTIONS
and NOTICES which should be carefully read in order to minimize the risk of
personal injury to service personnel. The possibility exists that improper service methods may damage the equipment. It also is important to understand
that these CA UTIONS and NO TICES ARE NO T EXHAUSTIVE. Funai could not
possibly kno w , ev aluate and advice the service trade of all conceiv ab le wa ys
in which service might be done or of the possible hazardous consequences of
each way. Consequently, Funai has not undertaken any such broad evaluation. Accordingly , a servicer who uses a service pr ocedure or tool which is not
recommended by Funai must first use all precautions thor oughly so that neither his safety nor the safe operation of the equipment will be jeopar dized by
the service method selected.
Manufactured under license from Dolby Laboratories. "Dolby" and
the double-D symbol are trademarks of Dolby Laboratories.
MAIN SECTION
DVD RECORDER &
VIDEO CASSETTE RECORDER
SRDV495
Main Section
I Specifications
I Preparation for Servicing
I Adjustment Procedures
I Schematic Diagrams
I CBA’s
I Exploded Views
I Parts List
Note: Nominal specs represent the design specs. All units should be able to approximate these – some will exceed
and some may drop slightly below these specs. Limit s pecs represent the ab solute worst conditi on that still might
be considered acceptable; In no case should a unit fail to meet limit specs.
1-1-1E9400SP
< DVD Section >
ITEMCONDITIONSUNITNOMINALLIMIT
1. VIDEO
1-1. Video Output75 ohm load Vp-p1.0
1-2. S-Video Output
Y (Luminance)75 ohm load Vp-p1.0
C (Chrominance)75 ohm load Vp-p0.286
1-3. Component Output
Y (Luminance)75 ohm load Vp-p1.0
Cb (Chrominance)75 ohm load Vp-p0.7
Cr (Chrominance)75 ohm load Vp-p0.7
1. All Items are measured without pre-emphasis unless otherwise specified.
2. Power supply : AC120 V 60 Hz
3. Load imp. : 100 k ohm
4. Ambient temperature : 5
°C ~ 40 °C
1-1-2E9400SP
LASER BEAM SAFETY PRECAUTIONS
This DVD player uses a pickup that emits a laser beam.
Do not look directly at the l aser beam coming
from the pickup or allow it to strike against
your skin.
The laser beam is emitted from the locatio n shown in the figure. When ch ecking the laser d iode, be sure to keep
your eyes at least 30cm away from the pickup lens when the diode is tur ned on. Do not loo k directly at the laser
beam.
Caution: Use of controls an d adjustments, or doing pr ocedures other than th ose specified here in, may result in
hazardous radiation exposure.
Drive Mecha Assembly
Laser Beam Radiation
Laser Pickup
Turntable
Location: Inside Top of DVD mechanism.
1-2-1E6_LASER
IMPORTANT SAFETY PRECAUTIONS
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 character istics 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 compli ance, it is equall y impor tant to implement the following precautions when a set
is being serviced.
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 re pla ce men ts.
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 wire s
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 co ntact hea t produc-
ing parts (heats inks, oxide metal fil m resis tors, 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 che ck areas sur round ing 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 cri mp type con nector s
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 t he complete closure of the tool.
L. When connecting or disconnecting the internal con-
nectors, first, disconn ect the AC plug from the AC
outlet.
1-3-1DVD_SFN1
Safety Check afte r Servicing
Examine the area surrounding the repaired location for
damage or deteri oration. Observe that screws, par ts,
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 clearanc e distance (d ) and (d’) betwee n 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 ter minals 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.
1-3-2DVD_SFN1
STANDARD NOTES FOR SERVICING
Circuit Board Indications
1. The output pin of the 3 pin Regulator ICs is indicated as shown.
Top View
Out
2. For other ICs, pin 1 and every fifth pin are indicated
as shown.
Pin 1
3. The 1s t pin of every ma le c on nector i s indi ca ted a s
shown.
Input
In
Bottom View
5
10
Pb (Lead) Free Solder
When soldering, be sure to use the Pb free solder.
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)
Pin 1
Instructions for Connectors
1. When you conn ect or disconn ect t he 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.
Fig. S-1-1
(2) Remove the flat pack-IC with tweezers while apply-
ing the hot air.
(3) B ottom of the flat pack-IC is fixed with glue to the
CBA; when rem oving enti re flat pa ck-IC, first apply
soldering iron to ce nter of the flat pack-IC and hea t
up. Then remove (glue will be melted). (Fig. S-1-6)
(4) R elease the flat pack-IC from the CB A using twee-
zers. (Fig. S-1-6)
Caution:
1. T he Flat Pack-IC shape may differ by models. Use
an appropriate hot-air flat pack-IC desoldering
machine, whose shape matches that of the Flat
Pack-IC.
2. D o not supply hot air to the chip par ts 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)
1-4-1E6STA
3. The fla t pa ck-IC on the CBA is a ffi xed 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.
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 al l pins of the flat pack-IC, you
can remove it easily. (Fig. S-1-3)
CBA
Masking
Tape
Tweezers
Hot-air
Flat Pack-IC
Desoldering
Machine
Flat Pack-IC
Fig. S-1-2
Flat Pack-IC
Desoldering Braid
Soldering Iron
Fig. S-1-3
(2) Lift each lead of the flat pack-IC upward one by
one, using a shar p pin or wire to which s older will
not adhere (iron w ire). When h eating the p ins, use
a fine tip soldering iron or a hot air desoldering
machine. (Fig. S-1-4)
Sharp
Pin
Fine Tip
Soldering Iron
(3) B ottom of the flat pack-IC is fixed with glue to the
CBA; when rem oving enti re flat pa ck-IC, first apply
soldering iron to ce nter of the flat pack-IC and hea t
up. Then remove (glue will be melted). (Fig. S-1-6)
(4) R elease the flat pack-IC from the CB A using twee-
zers. (Fig. S-1-6)
Fig. S-1-4
1-4-2E6STA
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 solde r
melts so as to lift the IC leads from the CBA contact
pads as shown in Fig. S-1-5.
(4)Botto m of the flat pack-IC is fixed with glue to the
CBA; when removing entire flat pack-IC, first apply
soldering iron to c en ter of the flat pack-IC and heat
up. Then remove (glue will be melted). (Fig. S-1-6)
(5)Re lease the flat pa ck-IC from the CBA using twee-
zers. (Fig. S-1-6)
Note:
When using a solde ring iron, care must be taken
to ensure that the flat pack-IC is not being he ld by
glue. When the flat pack-IC is removed from the
CBA, handle it gently becau se it may be dama ged
if force is applied.
Hot Air Blower
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 f lat pack-IC indicates pin 1.
(See Fig. S-1-7.) Be sure this mar k matches the 1
on the PCB when positioning for installation. Then
presolder the four cor ners of the fl at 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
To Solid
Mounting Point
CBA
Tweezers
Iron Wire
Soldering Iron
Fig. S-1-5
Fine Tip
Soldering Iron
Flat Pack-IC
or
Presolder
Flat Pack-IC
CBA
Fig. S-1-8
Fig. S-1-6
1-4-3E6STA
Instructions for Handling
Semi-conductors
Electrostatic breakdown of the semi-conductors may
occur due to a potential dif ference caused by electrostatic charge during unpacking or repair work.
1. Ground for Human Body
Be sure to wear a grounding b and (1M Ω) that is prop erly grounded to remove any static ele ctr icity that may
be charged on the body.
2. Ground for Workbench
(1)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 thr ough the body grounding band, be careful to avoid contacting s emi-conductors with your clothing.
<Incorrect>
<Correct>
1MΩ
CBA
Grounding Band
1MΩ
CBA
Conductive Sheet or
Copper Plate
1-4-4E6STA
PREPARATION FOR SERVICING
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 tap e into the Deck Mechan ism Assembly and
press the PLAY button. The tape will be loaded into
the Deck Mechanism Assembly. Make sure the power
is on, connect TP502 (S-INH) to GND. This will stop
the function of Tape Start Sensor, Tape End Sensor
and Reel Sensors. ( If the se TP s ar e connected before
plugging in the unit, the function of the sensors will
stay valid.) See Fig. 1.
Q503
Q504
TP502
S-INH
Fig. 1
Note: Because the Tape End Sensors are inactive, do
not run a tape all the way to the start or the en d of the
tape to avoid tape damage.
1-5-1E9400PFS
CABINET DISASSEMBLY INSTRUCTIONS
1. Disassembly Flowchart
This flowchart indicates the disassembly steps to gain
access to item(s) to be ser vic ed. When reasse mbling,
follow the steps in reverse order. Bend, route, and
dress the cables as they were originally.
(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,
*=Unhook, Unlock, Release, Unplug, or Desolder
e.g. 6(S-1) = six Screws (S-1),
5(L-1) = five Locking Tabs (L-1)
(5):Refer to “Reference Notes.”
Reference Notes
CAUTION 1: Locking Tabs (L-1) and (L -2) are fragile.
Be careful not to break them.
1-1. Release five Locking Tabs (L-1).
1-2. Release three Locking Tabs (L-2)
1-3. Disconnect Connector (CN1609), and remove
the Front Assembly.
2. When re ass em bling, s old er wire j ump er s a s s hown
in Fig. D8.
3. Before installing the Deck Assembly, be sure to
place the pin of LD-SW on M ain CBA as shown in
Fig. D8. Then, install the Deck Assembly while
aligning the hole of Cam Gear with the pin of LDSW, the shaft of Cam Gear with the hole of LD -S W
as shown in Fig. D8.
(S-2)
[3] Front
Bracket
(L-2)
[4] Radiation Sheet
(S-2)
(S-3)
(L-1)
(L-1)
CN1609
[2] Front
Assembly
(S-1)
[1] T op Cover
(S-1)
(S-1)
Fig. D1
[5] Jack Bracket
(L-1)
Fig. D2
(S-4)
[6] Jack CBA
Fig. D3
1-6-2E9413DC
(S-5A)
(S-5B)
(S-9)
[9] FFC Friction Plate
(S-10)
(S-7)
(S-8)
(S-7)
[7] DVD
Mecha
& F/E
Assembly
(S-6)
(S-6)
CN1
[8] DVD BE
Main CBA
Unit
CN1606
CN1608
[14] Rear Panel
(S-9)
[10] Rear
Panel Unit
(S-9)
Fig. D5
CN202
CN201
CN1604
Fig. D4
[12] DC Fan Motor
AC Cord
Hook
[11] Power
Supply CBA
(S-11)
(S-11)
(S-11)
(S-13)
(S-12)
Earth Plate
(S-13)
[13] PCB
Holder
Fig. D6
1-6-3E9413DC
(S-17)
(S-17)
(S-16)
(S-16)
(S-16)
(S-18)
(S-17B)
[17] VCR
Chassis
Unit
(S-19)
(S-17)
[15] Bracket L
(S-17)
[16] Bracket R
(S-17)
(S-14)
(S-15)
Fig. D7
1-6-4E9413DC
FE Head
[19] Power
SW CBA
Cylinder
Assembly
ACE Head
Assembly
[18] Deck
Assembly
[20] Function
CBA
Pin
SW512
LD-SW
[21] Main CBA
Lead
with
blue
stripe
(S-20)
Desolder
From
Capstan
Motor
Assembly
(S-21)
Desolder
Lead with
blue stripe
Printing side
[21] Main
CBA
From
ACE Head
Assembly
Desolder
LD-SW
Lead with
blue stripe
Lead with
blue stripe
Desolder
[18] Deck Assembly
Shaft
Hole
From
Cylinder
Assembly
Lead with
gray stripe
Hole
Pin
From
FE Head
Cam Gear
[21] Main CBA
Desolder
BOTT OM VIEW
Lead connections of Deck Assembly and Main CBA
1-6-5E9413DC
Fig. D8
(S-22)
(S-22)
[22] Deck
Pedestal
[23] Front
Bracket R
(S-23)
Fig. D9
HO W TO EJECT MANUALLY
1. Remove the Top Cover.
2. Remove the Front Assembly.
3. Push the lever to the direction of the arrow as shown below.
A
View for A
Push the lever to the
direction of the arrow
Lever
1-6-6E9413DC
HOW TO INITIALIZE THE DVD RECORDER
To put the program back at the factory-default, initialize
the DVD recorder as the following procedure.
1. Turn the DVD re co rder on.
2. Confir m that no disc is loaded or that the disc tray
is open. To put the DVD recorder into the Version
display mode, press [CM SKIP], [1], [2], and [3] buttons on the remote control in the order.
Fig. A appears on the screen.
Model Name :
Firmware Version
BE : R1F189000E
FE : NRS0051 MST031210
DEFAULT SETTING : ENTER
EXIT : RETURN
*1: "
*2: Firmware Version differ depending on the models,
and indication is one example.
" differ depending on the models.
*******
*******
Fig. A: Version Display Mode Screen
3. Press [ENTER] button, then the DVD recorder
starts initializing. When the initializing is completed,
the DVD recorder exits the Version display mode
and turns off the power automatically.
* To move into the Normal mode from the Version
display mode, press [RETURN] button on the
remote control instead of [ENTER] button.
* When [POWER] button is pressed before [ENTER]
button is pressed, the DVD recorder exits the Version display mode, then the power turns off.
1-6-7E9413DC
ELECTRICAL ADJUSTMENT INSTRUCTIONS
General Note: "CBA" is an abbreviation for
"Circuit Board Assembly."
NOTE:
1.Electric al adjust ments are required a fter repla cing
circuit components and ce rtain mechanical par ts.
It is impor tant to do these adjustments only afte r
all repairs and replacements have been completed. Also, do not attempt these adjustments
unless the proper equipment is available.
2.To perform these alignment / co nfirmation procedures, make sure that the tracking control is set in
the center position: P ress ei ther "CHA NNEL L5??" or
"CHANNEL K" button on th e front panel first , then
the "PLAY" button on the front panel.
CH1
CH2
Figure 1
EXT. Syncronize Trigger Point
1.0H
6.5H±1H (412.7µs±63.5µs)
Switching Pulse
0.5H
V-Sync
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 (FL8A)
Head Switching Po sition Adjustment
Purpose:
To deter mine the Head Switching pos ition during
playback.
Symptom of Mi sadjustm e n t:
May cause Head Switching noise or ver tical 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±1H (412.7µs±63.5µs) delayed
position from the risi ng edge of the CH2 head switching pulse waveform.
-----
FL8AOscilloscope
Connections of Measurement Equipment
TP751
Main CBA
GND
TP302
6.5H±1H
(412.7µs±63.5µs)
Oscilloscope
CH1 CH2
Trig. (+)
1-7-1E9400EA
FIRMWARE RENEWAL MODE
1. Turn the power on and remove the disc on the tray.
2. To put the DVD recorder into version up mode,
press [CM SKIP], [6], [5], and [4] buttons on the
remote control uni t in the order. The tray will open
automatically.
Fig. a appears on the screen and Fig. b appears on
the VFD.
Firm Update Mode
Please insert a Disc.
Fig. a Version Up Mode Screen
Fig. b VFD in Version Up Mode
ver. R1F0467S1E
3. Load the disc for version up.
Fig. c appears on the scr een. The file on the top is
highlighted as the default.
When there is only one file to exist, Step 4 will start
automatically.
Firm Update Mode
UPDATE DISC
JPN
TEST
RIF0025S1E
RIF0035S1E
RIF0056S1E
RIF0078S1E
ver. R1F0467S1E
4. Select the firmware version using arrow buttons,
then press [ENTER] button on the remote control
unit.
Fig. d appears on the screen and Fig. e appears on
the VFD. The DVD recorder starts updating.
Firm Update Mode
R1F0525S1E
File Loading...
*1
Fig. d Programming Mode Screen
Fig. e VFD in Programming Mode (Example)
ver. R1F0467S1E
The appearance shown in *1 of Fig. d is descr ibed
as follows.
AppearanceNo.State
1
File Loading...Sending files into the memory.
Firmware
2
Updating...
Firm Update
-
Failure
Writing new version data.
Failed in updating.
5. A fter updatin g is finished, th e tray opens automatically.
Fig. f appears on the s c reen and Fig. g appears on
the VFD.
Fig. c Update Disc Screen
Firm Update Mode
R1F0525S1E
B/E Firmware
Update End
ver. R1F0467S1E
Fig. f Completed Program Mode Screen
Fig. g VFD in Completed Program Mode
6. P ress [POWER] button to turn t he power off. Then
press it again.