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VICTOR COMPANY OF JAPAN, LIMITED
VIDEO DIVISION
Printed in Japan
S40894
DIGITAL VIDEO CAMERA
GR-DVX8EG/EK/DVX9EG/EK
/DVX10EG/EK
No. 86575
July 2000
This service manual is printed on 100% recycled paper.
COPYRIGHT
© 2000 VICTOR COMPANY OF JAPAN, LTD.
SPECIFICATIONS (The specifications shown pertain specifically to the model GR-DVX9EG/EK/DVX10EG/EK)
GR-DVX8EG/EK/DVX9EG/EK/DVX10EG/EK
No.
86575
For Connectors
Video output
:1 V (p-p), 75
, analogue
Audio output
: 300 mV (rms), 1 k
, analogue, stereo
DV
Input/output (GR-DVX10 only)
: 4-pin, IEEE 1394 compliant
Output (GR-DVX9 only)
: 4-pin, IEEE 1394 compliant
Headphone output
: ø3.5 mm, stereo
AC Power Adapter/Charger AA-V51EG or AA-V51EK
Power requirement
: AC 110 V to 240 V`, 50 Hz/60 Hz
Power consumption
:23 W
Output
Charge
: DC 7.2 V
, 0.77 A
VTR
: DC 6.3 V
, 1.8 A
Dimensions (W x H x D)
: 68 mm x 45 mm x 110 mm
Weight
AA-V51EG
: Approx. 255 g
AA-V51EK
: Approx. 330 g
Docking Station CU-V502E
For General
Dimensions (W x H x D)
: 55 mm x 36 mm x 107 mm
Weight
: Approx. 89.9 g
For Connectors
S
Output
:Y : 1 V (p-p), 75
, analogue
C : 0.29 V (p-p), 75
, analogue
Input (GR-DVX10 only)
: Y : 0.8 V (p-p) ­ 1.2 V (p-p), 75
, analogue
C : 0.2 V (p-p) ­ 0.4 V (p-p), 75
, analogue
VIDEO
Video output
:1 V (p-p), 75
, analogue
Video input (GR-DVX10 only)
: 0.8 V (p-p) ­ 1.2 V (p-p), 75
, analogue
AUDIO
Audio output
: 300 mV (rms), 1 k
, analogue, stereo
Audio input (GR-DVX10 only)
: 300 mV (rms), 50 k
, analogue, stereo
JLIP (EDIT)
: ø3.5 mm, 4-pole, mini-head jack (compatible with RC-5325 plug)
PC (DIGITAL STILL)
: ø2.5 mm, 3-pole
External microphone input
:506
µV (rms), high impedance unbalanced with ø3.5 mm (stereo)
PRINTER
: For an optional video printer equipped with a PRINT DATA
connector
Specifications shown are for SP mode unless otherwise indicated. E & O.E. Design and specifications
subject to change without notice.
SPECIFICATIONS
Camcorder
For General
Power supply
: DC 6.3 V
(Using AC Power Adapter/Charger)
DC 7.2 V
(Using battery pack)
Power consumption
LCD monitor off, viewfinder on
GR-DVX10
: Approx. 4.9 W
GR-DVX9
: Approx. 4.6 W
LCD monitor on, viewfinder off
GR-DVX10
: Approx. 5.8 W
GR-DVX9
: Approx. 5.5 W
Dimensions (W x H x D)
: 51 mm x 125 mm x 97 mm
(with the LCD monitor closed and the viewfinder pushed back in)
Weight
: Approx. 515 g (without cassette, MultiMediaCard and battery)
Approx. 590 g (incl. cassette, MultiMediaCard and battery)
Operating temperature
:0
°C to 40°C
Operating humidity
: 35% to 80%
Storage temperature
: ­20
°C to 50°C
Pickup
: 1/4" CCD (Progressive Scan)
Lens
: F 1.8, f = 3.8 mm to 38 mm, 10:1 power zoom lens
Filter diameter
: ø27 mm
LCD monitor
: 2.5" diagonally measured, LCD panel/TFT active matrix system
Viewfinder
: Electronic viewfinder with 0.44" colour LCD
Speaker
: Monaural
For Digital Video Camera
Format
: DV format (SD mode)
Signal format
: PAL standard
Recording/Playback format
: Video: Digital component recording
: Audio: PCM digital recording, 32 kHz 4-channel (12-bit),
48 kHz 2-channel (16-bit)
Cassette
: Mini DV cassette
Tape speed
: SP: 18.8 mm/s
LP: 12.5 mm/s
Maximum recording time
: SP: 80 min.
(using 80 min. cassette)
LP: 120 min.
For Digital Still Camera
Storage media
: MultiMediaCard
Compression system
: JPEG (compatible)
File size
: 2 modes (XGA: 1024 x 768 pixels/VGA: 640 x 480 pixels)
Picture quality
: 2 modes (FINE/STANDARD)
Approximate number of storable images
(with the provided MultiMediaCard [8 MB], with Sound Effects pre-stored)
FINE
: 46 (VGA), 21 (XGA)
STANDARD
: 133 (VGA), 64 (XGA)
(with an optional MultiMediaCard [4 MB])
FINE
: 26 (VGA), 12 (XGA)
STANDARD
: 76 (VGA), 36 (XGA)
(with an optional MultiMediaCard [8 MB])
FINE
: 54 (VGA), 24 (XGA)
STANDARD
: 155 (VGA), 75 (XGA)


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TABLE OF CONTENTS
Section
Title
Page
Important Safety Precautions
INSTRUCTIONS
1. DISASSEMBLY
1.1
BEFORE ASSEMBLY AND DISASSEMBLY ................................. 1-1
1.1.1
Precautions .......................................................................... 1-1
1.1.2
Assembly and disassembly ................................................. 1-1
1.1.3
Destination of connectors .................................................... 1-1
1.1.4
Disconnection of Connectors (Wires) .................................. 1-1
1.2
JIGS AND TOOLS REQUIRED FOR DISASSEMBLY,
ASSEMBLY AND ADJUSTMENT ................................................. 1-2
1.2.1
Tools required for adjustments ............................................. 1-2
1.3
DISASSEMBLY/ASSEMBLY OF CABINET PARTS AND
BOARD ASSEMBLY ..................................................................... 1-3
1.3.1
Disassembly flow chart ........................................................ 1-3
1.3.2
Disassembly method (I) ....................................................... 1-4
1.4
DISASSEMBLY OF 4 MONITOR ASSEMBLY ............................ 1-8
1.4.1
4 Monitor assembly/Hinge assembly .................................. 1-8
1.4.2
Hinge assembly ................................................................... 1-8
1.5
DISASSEMBLY OF 0 E VF ASSEMBLY ..................................... 1-9
1.5.1
0 E. VF assembly ............................................................... 1-9
1.6
DISASSEMBLY OF 7 OP BLOCK ASSEMBLY/CCD
BOARD ASSEMBLY ................................................................... 1-10
1.6.1
Precautions ........................................................................ 1-10
1.6.2
How to remove OP block assembly and CCD board
assembly ............................................................................ 1-10
1.6.3
How to install OP block assembly and CCD board
assembly ............................................................................ 1-10
1.6.4
Replacement of service parts ............................................ 1-10
1.7
HOW TO TAKE OUT CASSETTE TAPE MANUALLY ................ 1-11
1.7.1
How to remove cassette tape manually from the set ......... 1-11
1.8
SERVICE NOTE ......................................................................... 1-12
1.9
EMERGENCY DISPLAY ............................................................. 1-13
2. MECHANISM ADJUSTMENT
2.1
PRELIMINARY REMARKS ON ADJUSTMENT AND REPAIR ..... 2-1
2.1.1
Precautions .......................................................................... 2-1
2.1.2
Notes on procedure for disassembly/assembly ................... 2-1
2.2
DISASSEMBLY/ASSEMBLY OF MECHANISM ASSEMBLY ........ 2-2
2.2.1
General statement ............................................................... 2-2
2.2.2
Explanation of mechanism mode ......................................... 2-2
2.2.3
Mechanism timing chart ....................................................... 2-3
2.2.4
Disassembly/assembly of mechanism assembly ................. 2-4
2.2.5
Disassembly/assembly ........................................................ 2-7
2.2.6
List of procedures for disassembly .................................... 2-13
2.2.7
Checkup and adjustment of mechanism phase ................. 2-14
2.2.8
Assembling slide deck assembly and main deck
assembly ............................................................................ 2-15
2.2.9
Locating tension pole ......................................................... 2-16
2.3
SERVICE NOTE ......................................................................... 2-17
2.4
JIG CONNECTOR CABLE CONNECTOR ................................. 2-19
3. ELECTRICAL ADJUSTMENT
3.1
PREPARATION ............................................................................ 3-1
3.2
SETUP .......................................................................................... 3-1
3.3
FUSE LOCATION ......................................................................... 3-2
3.3.1
MAIN PWB (FOIL SIDE) ...................................................... 3-2
3.3.2
MAIN PWB (COMPONENT SIDE) ...................................... 3-2
3.3.3
MONITOR PWB (COMPONENT SIDE) ............................... 3-3
4. CHARTS AND DIAGRAMS
NOTES OF SCHEMATIC DIAGRAM ............................................ 4-1
CIRCUIT BOARD NOTES ............................................................ 4-2
4.1
BOARD INTERCONNECTIONS ................................................... 4-3
4.2
CPU SCHEMATIC DIAGRAM ...................................................... 4-5
4.3
MSD CPU SCHEMATIC DIAGRAM ............................................. 4-7
4.4
A/HP SEL SCHEMATIC DIAGRAM .............................................. 4-9
4.5
DVMAIN SCHEMATIC DIAGRAM .............................................. 4-11
4.6
PHY SCHEMATIC DIAGRAM ..................................................... 4-13
4.7
DVEQ/DVANA SCHEMATIC DIAGRAM ..................................... 4-15
4.8
PRE/REC SCHEMATIC DIAGRAM ............................................ 4-17
4.9
VIDEO OUT SCHEMATIC DIAGRAM ........................................ 4-19
4.10 ANALOG VIDEO I/O SCHEMATIC DIAGRAM ........................... 4-21
4.11 CDS SCHEMATIC DIAGRAM .................................................... 4-23
4.12 DSP SCHEMATIC DIAGRAM ...................................................... 4-25
4.13 TG/VDR SCHEMATIC DIAGRAM .............................................. 4-27
4.14 REG CTL SCHEMATIC DIAGRAM ............................................. 4-29
4.15 REGULATOR SCHEMATIC DIAGRAM ...................................... 4-31
4.16 STROBE SUB SCHEMATIC DIAGRAM ..................................... 4-33
4.17 DSC SCHEMATIC DIAGRAM .................................................... 4-35
4.18
AU DSP SCHEMATIC DIAGRAM .............................................. 4-37
4.19
B/W AND IR/TALLY SCHEMATIC DIAGRAMS .......................... 4-39
4.20 MDA SCHEMATIC DIAGRAM .................................................... 4-41
4.21 IRIS & AF/ZOOM SCHEMATIC DIAGRAM ................................ 4-43
4.22 CCD SCHEMATIC DIAGRAM .................................................... 4-45
4.23 MONITOR A SCHEMATIC DIAGRAM ........................................ 4-47
4.24 MMC, W/B SENS AND EJECT SCHEMATIC DIAGRAMS ......... 4-49
4.25 STROBE SCHEMATIC DIAGRAM ............................................. 4-51
4.26 AUDIO AD/DA SCHEMATIC DIAGRAM ..................................... 4-53
4.27 MAIN AUDIO SCHEMATIC DIAGRAM ....................................... 4-55
4.28 AUDIO NR SCHEMATIC DIAGRAM .......................................... 4-57
4.29 VF A SCHEMATIC DIAGRAM .................................................... 4-59
4.30 JACK SCHEMATIC DIAGRAM ................................................... 4-61
4.31 CAMERA OPE UNIT, SUB OPE ASSY, ZOOM UNIT
AND DECK OPE ASSY SCHEMATIC DIAGRAMS ................... 4-63
4.32 MAIN CIRCUIT BOARD ............................................................. 4-65
4.33 MDA AND CCD CIRCUIT BOARDS ........................................... 4-71
4.34 MONITOR AND PULL DOWN CIRCUIT BOARDS .................... 4-73
4.35 MONITOR CIRCUIT BOARD ..................................................... 4-75
4.36 MMC AND STROBE CIRCUIT BOARDS ................................... 4-77
4.37 AUDIO VF CIRCUIT BOARD ..................................................... 4-79
4.38 JACK, W/B AND EJECT CIRCUIT BOARDS ............................. 4-81
4.39 POWER SYSTEM BLOCK DIAGRAM ....................................... 4-83
4.40 VIDEO SYSTEM BLOCK DIAGRAM .......................................... 4-85
4.41 REGULATOR SYSTEM BLOCK DIAGRAM ............................... 4-87
4.42 VOLTAGE CHARTS .................................................................... 4-89
5. PARTS LIST
5.1
PACKING AND ACCESSORY ASSEMBLY <M1> ........................ 5-1
5.2
FINAL ASSEMBLY <M2> .............................................................. 5-3
5.3
MECHANISM ASSEMBLY <M3> .................................................. 5-6
5.4
ELECTRONIC VIEWFINDER ASSEMBLY <M4> ......................... 5-8
5.5
MONITOR ASSEMBLY <M5> ....................................................... 5-9
5.6
ELECTRICAL PARTS LIST ........................................................ 5-10
MAIN BOARD ASSEMBLY <01> ................................................ 5-10
MDA BOARD ASSEMBLY <02> ................................................. 5-21
CCD BOARD ASSEMBLY <03> ................................................ 5-22
MONITOR BOARD ASSEMBLY <04> ........................................ 5-22
MMC BOARD ASSEMBLY <06> ................................................ 5-24
STROBE BOARD ASSEMBLY <07>,C,D,E,F ............................ 5-24
AUDIO VF BOARD ASSEMBLY <08> ........................................ 5-25
JACK BOARD ASSEMBLY <09> ................................................ 5-27
W/B BOARD ASSEMBLY <11> ................................................. 5-27
EJECT BOARD ASSEMBLY <12> .............................................. 5-27
6. AC POWER ADAPTER (AA-V51EG/EK)
6.1
CABINET ASSEMBLY <MA> ........................................................ 6-1
6.2
SCHEMATIC DIAGRAM ............................................................... 6-2
6.3
CIRCUIT BOARD ......................................................................... 6-4
6.4
ELECTRICAL PARTS LIST .......................................................... 6-5
Section
Title
Page
The following table lists the differing points between Models GR-DVX8EG/EK, GR-DVX9EG/EK and GR-DVX10EG/EK in this series.
GR-DVX8EG
GR-DVX8EK
GR-DVX9EG
GR-DVX9EK
GR-DVX10EG
GR-DVX10EK
FLASH
NOT USED
USED
DSC MODE
NOT USED
USED
DUAL MODE
NOT USED
USED
DIGITAL SOUND
NOT USED
USED
MULTI MEDIA CARD
NOT USED
PROVIDE
ANALOG VIDEO INPUT
NOT USED
USED
DV IN/OUT
OUT ONLY
IN/OUT
DOCKING STATION
CU-V503E
CU-V502E
AC POWER ADAPTER
AA-V51EG
AA-V51EK
AA-V51EG
AA-V51EK
AA-V51EG
AA-V51EK


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Important Safety Precautions
Prior to shipment from the factory, JVC products are strictly inspected to conform 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. Locations requiring special caution are denoted by labels and
inscriptions on the cabinet, chassis and certain parts of the
product. When performing service, be sure to read and com-
ply with these and other cautionary notices appearing in the
operation and service manuals.
2. Parts identified by the
symbol and shaded (
) parts are
critical for safety.
Replace only with specified part numbers.
Note: Parts in this category also include those specified to com-
ply with X-ray emission standards for products using
cathode ray tubes and those specified for compliance
with various regulations regarding spurious radiation
emission.
3. Fuse replacement caution notice.
Caution for continued protection against fire hazard.
Replace only with same type and rated fuse(s) as specified.
4. Use specified internal wiring. Note especially:
1) Wires covered with PVC tubing
2) Double insulated wires
3) High voltage leads
5. Use specified insulating materials for hazardous live parts.
Note especially:
1) Insulation Tape
3) Spacers
5) Barrier
2) PVC tubing
4) Insulation sheets for transistors
6. When replacing AC primary side components (transformers,
power cords, noise blocking capacitors, etc.) wrap ends of
wires securely about the terminals before soldering.
10. Also check areas surrounding repaired locations.
11. Products using cathode ray tubes (CRTs)
In regard to such products, the cathode ray tubes themselves,
the high voltage circuits, and related circuits are specified for
compliance with recognized codes pertaining to X-ray emission.
Consequently, when servicing these products, replace the cath-
ode ray tubes and other parts with only the specified parts.
Under no circumstances attempt to modify these circuits.
Unauthorized modification can increase the high voltage value
and cause X-ray emission from the cathode ray tube.
12. Crimp type wire connector
In such cases as when replacing the power transformer in sets
where the connections between the power cord and power
transformer primary lead wires are performed using crimp type
connectors, if replacing the connectors is unavoidable, in or-
der to prevent safety hazards, perform carefully and precisely
according to the following steps.
1) Connector part number : E03830-001
2) Required tool : Connector crimping tool of the proper type
which will not damage insulated parts.
3) Replacement procedure
(1) Remove the old connector by cutting the wires at a point
close to the connector.
Important : Do not reuse a connector (discard it).
Fig.7
Fig.3
(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.
Fig.4
(3) Align the lengths of the wires to be connected. Insert
the wires fully into the connector.
Fig.5
(4) As shown in Fig.6, use the crimping tool to crimp the
metal sleeve at the center position. Be sure to crimp fully
to the complete closure of the tool.
1
Precautions during Servicing
7. Observe that wires do not contact heat producing parts
(heatsinks, oxide metal film resistors, fusible resistors, etc.)
8. Check that replaced wires do not contact sharp edged or
pointed parts.
9. When a power cord has been replaced, check that 10-15 kg of
force in any direction will not loosen it.
Fig.6
(5) Check the four points noted in Fig.7.
Not easily pulled free
Crimped at approx. center
of metal sleeve
Conductors extended
Wire insulation recessed
more than 4 mm
S40888-01
Fig.1
Power cord
Fig.2
cut close to connector
15 mm
Connector
Metal sleeve
1.25
2.0
5.5
Crimping tool


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Safety Check after Servicing
Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been
returned to original positions, Afterwards, perform the following tests and confirm the specified values in order to verify compli-
ance with safety standards.
1. Insulation resistance test
Confirm the specified insulation resistance or greater between power cord plug prongs and
externally exposed parts of the set (RF terminals, antenna terminals, video and audio input
and output terminals, microphone jacks, earphone jacks, etc.). See table 1 below.
2. Dielectric strength test
Confirm specified dielectric strength or greater between power cord plug prongs and exposed
accessible parts of the set (RF terminals, antenna terminals, video and audio input and output
terminals, microphone jacks, earphone jacks, etc.). See table 1 below.
3. Clearance distance
When replacing primary circuit components, confirm specified clearance distance (d), (d') be-
tween soldered terminals, and between terminals and surrounding metallic parts. See table 1
below.
4. Leakage current test
Confirm specified or lower leakage current between 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.).
Measuring Method : (Power ON)
Insert load Z between earth ground/power cord plug prongs and externally exposed accessi-
ble parts. Use an AC voltmeter to measure across both terminals of load Z. See figure 9 and
following table 2.
5. Grounding (Class 1 model only)
Confirm specified or lower grounding impedance between earth pin in AC inlet and externally exposed accessible parts (Video in,
Video out, Audio in, Audio out or Fixing screw etc.).
Measuring Method:
Connect milli ohm meter between earth pin in AC inlet and exposed accessible parts. See figure 10 and grounding specifications.
Region
USA & Canada
Europe & Australia
Grounding Impedance (Z)
Z
0.1 ohm
Z
0.5 ohm
AC inlet
Earth pin
Exposed accessible part
Milli ohm meter
Grounding Specifications
Fig. 10
Clearance Distance (d), (d')
d, d'
3 mm
d, d'
4 mm
d, d'
3.2 mm
1 M
R 12 M/500 V DC
Dielectric Strength
AC 1 kV 1 minute
AC 1.5 kV 1 miute
AC 1 kV 1 minute
AC Line Voltage
100 V
100 to 240 V
110 to 130 V
110 to 130 V
200 to 240 V
Japan
USA & Canada
Europe & Australia
R
10 M
/500 V DC
Region
Insulation Resistance (R)
R
1 M
/500 V DC
AC 3 kV 1 minute
(Class
2)
AC 1.5 kV 1 minute
(Class
1)
d
4 mm
d'
8 mm (Power cord)
d'
6 mm (Primary wire)
Table 1 Specifications for each region
a, b, c
Leakage Current (i)
AC Line Voltage
100 V
110 to 130 V
110 to 130 V
220 to 240 V
Japan
USA & Canada
i
1 mA rms
Exposed accessible parts
Exposed accessible parts
Antenna earth terminals
Other terminals
i
0.5 mA rms
i
0.7 mA peak
i
2 mA dc
i
0.7 mA peak
i
2 mA dc
Europe & Australia
Region
Load Z
1 k
2 k
1.5 k
0.15
µF
50 k
Table 2 Leakage current specifications for each region
Note: These tables are unofficial and for reference only. Be sure to confirm the precise values for your particular country and locality.
2
S40888-01
d'
d
Chassis
Power cord,
primary wire
Fig. 8
ab
c
V
Externally
exposed
accessible part
Z
Fig. 9


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1-1
1.1.4 Disconnection of Connectors (Wires)
Connector
Pull both ends of the connector in the arrow direction, re-
move the lock and disconnect the flat wire.
Fig. 1-1-1 Connector 1
Extend the locks in the direction of the arrow for unlocking
and then pull out the wire. After removing the wire, immedi-
ately restore the locks to their original positions because the
locks are apt to come off the connector.
Fig. 1-1-2 Connector 2
(1)
Indicate the disassembly steps. When assembling, per-
form in the reverse order of these steps. This number
corresponds to the number in the disassembly diagram.
(2)
Indicates the name of disassembly/assembly parts.
(3)
Indicates the number in the disassembly diagram.
(4)
Indicates parts and points such as screws, washers,
springs which must be removed during disassembly/
assembly.
Symbol
Name, Point
S
Screw
L
Lock, Pawl, Hook
SD
Soldering
(Others) Connector, Cover, Bracket, etc.
(Example)
· 2 (S1): Remove the two screws (S1) for removing the
part 1.
· CN A : Disconnect the connector A.
· SD1 : Unsolder at the point SD1.
(5)
Precautions on disassembly/assembly.
SECTION 1
DISASSEMBLY
1.1 BEFORE ASSEMBLY AND DISASSEMBLY
1.1.1 Precautions
1. Be sure to remove the power supply unit prior to mount-
ing and soldering of parts.
2. When removing a component part that needs to disconnect
the connector and to remove the screw for removing itself,
first disconnect the connecting wire from the connector and
then remove the screw beforehand.
3. When connecting and disconnecting the connectors, be
careful not to damage the wire.
4. Carefully remove and handle the part to which some
spacer or shield is attached for reinforcement or
insulation.
5. When replacing chip parts (especially IC parts), desolder
completely first (to prevent peeling of the pattern).
6. Tighten screws properly during the procedures.
Unless specified otherwise, tighten screws at a torque
of 0.078N·m (0.8kgf·cm).
1.1.2 Assembly and disassembly
Connector
Flat wire
Connector
Connector
Connector
Flat wire
Fig. 1-1-4 Connector 4
B-B connector
Pull the board by both the sides in the direction of the ar-
row for disconnecting the B-B connector
Connector
Fig. 1-1-3 Connector 3
1.1.3 Destination of connectors
Note:
Three kinds of double-arrows in connection tables re-
spectively show kinds of connector/wires.
: Wire
: Flat wire
: Board to Board connector
[Example]
CONN.
CONNECTOR
Pin No.
No.
A
DECK OPE ASSY
­
AUDIO VF
CN803
6
(1)
(2)
(3)
(4)
(5)
v
v
vv
v
1
DECK OPE ASSY
Fig.1-3-1
2(S1), (L1)­
CN A
2
FRONT COVER
(S2a), (S2b), 2(S2c), (S2d)
­
ASSY
(S2e), (S2f), (L2)
CN B
STEP
PART
Fig No.
POINT
NOTE
No.