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SERVICE MANUAL
DIGITAL VIDEO CAMERA
No. 86643
May 2001
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD.
GR-DVX48A/A-S/EA,DVX49A,DVX78A/A-S/EA
Regarding service information other than these sections, refer to the GR-DVX44EG,DVX88EG service manual (No. 86617).
Also, be sure to note important safety precautions provided in the service manual.
SPECIFICATIONS
(The specifications shown pertain specifically to the model GR-DVX78A/DVX49A/DVX48A/
DVX78EA/DVX48EA/DVX78SH/DVX48SH)
Camcorder
For General
Power supply
: DC 11.0 V } (Using AC Adapter)
DC 7.2 V } (Using battery pack)
Power consumption
LCD monitor off, viewfinder on
: Approx. 4.4 W (GR-DVX78), Approx. 4.0 W (GR-DVX49/DVX48)
LCD monitor on, viewfinder off
: Approx. 5.2 W (GR-DVX78), Approx. 4.8 W (GR-DVX49/DVX48)
Dimensions (W x H x D)
: 51 mm x 120 mm x 97 mm
(with the LCD monitor closed and the viewfinder pushed back in)
Weight
: Approx. 500 g (GR-DVX78)
Approx. 470 g (GR-DVX49/DVX48)
Operating temperature
: 0°C to 40°C
Operating humidity
: 35% to 80%
Storage temperature
: ­20°C to 50°C
Pickup
: 1/4" CCD
Lens
: F 1.8, f = 3.6 mm to 36 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 (GR-DVX78 only)
Storage media
: SD Memory Card/MultiMediaCard
Compression system
: Still image : JPEG (compatible)
Moving image : MPEG4 (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 memory card [8 MB], with Sound Effects pre-stored)
FINE
: 40 (VGA), 20 (XGA)
STANDARD
: 130 (VGA), 60 (XGA)
(with an optional memory card [16 MB])
FINE
: 100 (VGA), 40 (XGA)
STANDARD
: 290 (VGA), 140 (XGA)
(with an optional memory card [32 MB])
FINE
: 210 (VGA), 90 (XGA)
STANDARD
: 610 (VGA), 290 (XGA)
(with an optional memory card [64 MB])
FINE
: 430 (VGA), 190 (XGA)
STANDARD
: 1230 (VGA), 600 (XGA)
For Connectors
AV
Video output
: 1 V (p-p), 75
, analogue
Video input (GR-DVX78 only)
: 0.8 V (p-p) ­ 1.2 V (p-p), 75
, analogue
Audio output
: 300 mV (rms), 1 k
, analogue, stereo
Audio input (GR-DVX78 only)
: 300 mV (rms), 50 k
, analogue, stereo
Headphone output
(GR-DVX78 only)
: Stereo
DV
Input/output
: 4-pin, IEEE 1394 compliant
AC Adapter AP-V10A, AP-V10EA or AP-V10ED
Power requirement
: AC 110 V to 240 V`, 50 Hz/60 Hz
Output
: DC 11 V } , 1 A
Dimensions (W x H x D)
: 59 mm x 31 mm x 84 mm
Weight
: Approx. 140 g (not including Power Cord)
Jack Box
For General
Dimensions (W x H x D)
: 52 mm x 22 mm x 73 mm
Weight
: Approx. 35
For Connectors
USB (GR-DVX78 only)
: Type B
EDIT (GR-DVX78 only)
: ø3.5 mm, 2-pole
S-Video
Output
: Y : 1 V (p-p), 75
, analogue
C : 0.29 V (p-p), 75
, analogue
Input (GR-DVX78 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
JLIP (GR-DVX49/DVX48 only)
: ø3.5 mm, 4-pole
PC (DIGITAL PHOTO)
(GR-DVX49/DVX48 only)
: ø2.5 mm, 3-pole
Specifications shown are for SP mode unless otherwise indicated. E & O.E. Design and specifications subject
to change without notice.


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TABLE OF CONTENTS
DIFFERENT TABLE ........................................................................................................................................................... 1 to 3
4. CHARTS AND DIAGRAMS (4-1 to 4-2)
4.1
JUNCTION CIRCUIT BOARD ....................................................................................................................................... 4-1
4.2
JACK CIRCUIT BOARD ................................................................................................................................................ 4-2
5. PARTS LIST (5-1 to 5-12)
5.1
PACKING AND ACCESSORY ASSEMBLY <M1> ........................................................................................................ 5-1
5.2
ELECTRICAL PARTS LIST (GR-DVX78A/A-S/EA) ...................................................................................................... 5-3
MAIN BOARD ASSEMBLY <01> ...................................................................................................................................... 5-3
The following table indicate main different points between models GR-DVX44EG, GR-DVX48A, GR-DVX48A-S, GR-DVX48EA
and GR-DVX49A.
1
The following table indicate different parts number between models GR-DVX44EG, GR-DVX48A, GR-DVX48A-S, GR-DVX48EA
and GR-DVX49A.
!
REF.
MODEL
GR-DVX44EG
GR-DVX48A
GR-DVX48A-S
GR-DVX48EA
GR-DVX49A
NO.
ITEM
1
PACKING CASE
LY32032-008A
LY32032-010A
LY31717-023A
9
WARRANTY CARD
BT-54013-2
--
--
BT-56001-2
--
! 12
AC ADAPTER
LY20688-013A
LY20688-003A
LY20688-014A
LY20688-007A
LY20688-003A
14
JACK BOX
LY32142-002A
*LY32142-002B
*
*
*
! 28
POWER CORD
QMPL120-190-JR
QMPS110-190-JR QMPH020-190-JR QMPL120-190-JR
29
ADAPTER PLUG
QAM0302-001
--
--
--
--
31
SER.NET CARD
--
--
--
BT-56002-2
--
33
SHEET(CON.PLUG)
--
LYT0609-001A
--
LYT0609-001A
! 34
CONVERSION PLUG
--
PEMC1012-02
PEMC1012
--
PEMC1012-02
PACKING AND ACCESSORY ASSEMBLY <M1> Note: As for IB (INSTRUCTIONS), refer to sec.5.
Notes : Mark
is same as left.
Mark -- is not used.
Mark * reference model was also changed.
MODEL
GR-DVX44EG
GR-DVX48A
GR-DVX48A-S
GR-DVX48EA
GR-DVX49A
ITEM
AC ADAPTER
AP-V10EG
AP-V10A
AP-V10A-S
AP-V10EA
AP-V10A
The following table indicate main different points between models GR-DVX88EG, GR-DVX78A, GR-DVX78A-S and GR-DVX78EA.
MODEL
GR-DVX88EG
GR-DVX78A
GR-DVX78A-S
GR-DVX78EA
ITEM
AC ADAPTER
AP-V10EG
AP-V10A
AP-V10A-S
AP-V10EA
!
REF.
MODEL
GR-DVX44EG
GR-DVX48A
GR-DVX48A-S
GR-DVX48EA
GR-DVX49A
NO.
ITEM
101
LOWER CASE
LY10287-002A
*LY10287-002B
*
*
*
191
PLATE
LY42906-004A
LY42906-008A
LY42906-009A
215
STICKER
LY43130-006A
LY43130-007A
216
SPACER(A)
LY30029-0H7B
*LY30029-0H7C
*
*
*
220
FRONT COVER ASSY
LY20731-004B
LY20731-002C
LY20731-007B
220H
COVER(AV)
LY32136-004A
LY32136-007A
221
SCREW
QYSPSGT1740Z
QYSPSGT1740R
229
SCREW
QYSPSGT1735Z
*QYSPSGT1730Z
*
*
*
FINAL ASSEMBLY <M2>


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2
Notes : Mark
is same as left.
Mark -- is not used.
Mark * reference model was also changed.
!
REF.
MODEL
GR-DVX44EG
GR-DVX48A
GR-DVX48A-S
GR-DVX48EA
GR-DVX49A
NO.
ITEM
IC1401
CSP IC ASSY
YQ44887A
*YQ44888A
*
*
*
R1413
MG RESISTOR
--
*NRSA6AJ-331W
*
*
*
R6014
MG RESISTOR
--
*NRSA63J-0R0X
*
*
*
C3001
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C3005
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C3008
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C3035
CAPACITOR
NDCA1HJ-270W
*NDCA1HJ-180W
*
*
*
C3501
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C3502
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C3503
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C3701
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C4305
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C4307
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C4310
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C4315
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C4324
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C4331
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C6003
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
OT7
SPACER(A)
--
*LY30029-0Q4A
*
*
*
MAIN BOARD ASSEMBLY <01>
!
REF.
MODEL
GR-DVX44EG
GR-DVX48A
GR-DVX48A-S
GR-DVX48EA
GR-DVX49A
NO.
ITEM
C4803
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C4851
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C4861
T CAPACITOR
NCBA1HK-102W
*NCBA1CK-103W
*
*
*
C4862
T CAPACITOR
NCBA1HK-102W
*NCBA1CK-103W
*
*
*
C4864
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
MDA BOARD ASSEMBLY <02>
!
REF.
MODEL
GR-DVX44EG
GR-DVX48A
GR-DVX48A-S
GR-DVX48EA
GR-DVX49A
NO.
ITEM
PW2
JUNCTION BOARD ASSY
YB10323B2-01
*YB10323B2-02
JUNCTION BOARD ASSEMBLY <06>
!
REF.
MODEL
GR-DVX44EG
GR-DVX48A
GR-DVX48A-S
GR-DVX48EA
GR-DVX49A
NO.
ITEM
C2108
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C2207
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C2208
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C2211
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C2214
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
C2402
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
*
AUDIO BOARD ASSEMBLY <08>
!
REF.
MODEL
GR-DVX44EG
GR-DVX48A
GR-DVX48A-S
GR-DVX48EA
GR-DVX49A
NO.
ITEM
PW1
JACK BOARD ASSY
YB10323C1
*YB10323C1-01
JACK BOARD ASSEMBLY <09>
The following table indicate different parts number between models GR-DVX88EG, GR-DVX78A, GR-DVX78A-S and GR-DVX78EA.
!
REF.
MODEL
GR-DVX88EG
GR-DVX78A
GR-DVX78A-S
GR-DVX78EA
NO.
ITEM
1
PACKING CASE
LY32032-007A
LY32032-009A
LY32032-022A
4
POLY BAG
QPA02003006
QPA02003506
QPA02003006
9
WARRANTY CARD
BT-54013-2
----
BT-56001-2
11
CD ROM
LY32210-004A
*LY32210-004B
*
*
! 12
AC ADAPTER
LY20688-013A
LY20688-003A
LY20688-014A
LY20688-007A
14
JACK BOX
LY32142-001A
*LY32142-001B
*
*
! 28
POWER CORD
QMPL120-190-JR
QMPS110-190-JR QMPH020-190-JR
29
ADAPTER PLUG
QAM0302-001
----
--
31
SER.NET CARD
----
--
BT-56002-2
32
CORE FILTER
--
QQR0918-001
33
SHEET(CON.PLUG)
--
LYT0609-001A
--
! 34
CONVERSION PLUG
--
PEMC1012-02
PEMC1012
--
PACKING AND ACCESSORY ASSEMBLY <M1> Note: As for IB (INSTRUCTIONS), refer to sec.5.


background image
Notes : Mark
is same as left.
Mark -- is not used.
Mark * reference model was also changed.
!
REF.
MODEL
GR-DVX88EG
GR-DVX78A
GR-DVX78A-S
GR-DVX78EA
NO.
ITEM
! 101
LOWER CASE ASSY
LY20727-001A
*LY20727-001B
*
*
191
PLATE
LY42906-003A
LY42906-007A
215
STICKER
LY43130-002A
LY43130-004A
216
SPACER(A)
LY30029-0H7B
*LY30029-0H7C
*
*
220
FRONT COVER ASSY
LY20731-003B
LY20731-001D
220H
COVER(AV)
LY32136-003A
LY32136-006A
221
SCREW
QYSPSGT1740Z
QYSPSGT1740R
229
SCREW
QYSPSGT1735Z
*QYSPSGT1730Z
*
*
231
SCREW
QYSPSGT1735Z
*QYSPSGT1730Z
*
*
FINAL ASSEMBLY <M2>
!
REF.
MODEL
GR-DVX88EG
GR-DVX78A
GR-DVX78A-S
GR-DVX78EA
NO.
ITEM
PW
MAIN BOARD ASSY
YB10319B-02
YB10319C-02
MAIN BOARD ASSEMBLY <01>
!
REF.
MODEL
GR-DVX88EG
GR-DVX78A
GR-DVX78A-S
GR-DVX78EA
NO.
ITEM
IC4804
IC
UPC358G2/5/-W
*NJM3414AG
*
*
R4836
MG RESISTOR
NRSA6AJ-102W
*NRSA6AJ-0R0W
*
*
C4803
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
C4851
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
C4861
CAPACITOR
NCBA1HK-102W
*NCBA1CK-103W
*
*
C4862
CAPACITOR
NCBA1HK-102W
*NCBA1CK-103W
*
*
C4864
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
MDA BOARD ASSEMBLY <02>
!
REF.
MODEL
GR-DVX88EG
GR-DVX78A
GR-DVX78A-S
GR-DVX78EA
NO.
ITEM
PW2
JUNCTION BOARD ASSY
YB10323A2-01
*YB10323C2-02
*
*
D8502
ZENER DIODE
--
*UMZ6.8EN
*
*
C8502
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
JUNCTION BOARD ASSEMBLY <06>
!
REF.
MODEL
GR-DVX88EG
GR-DVX78A
GR-DVX78A-S
GR-DVX78EA
NO.
ITEM
PW2
AUDIO BOARD ASSY
YB10320C2-02
YB10320A2-02
R2201
MG RESISTOR
--
NRSA6AJ-103W
R2202
MG RESISTOR
--
NRSA6AJ-103W
R2203
MG RESISTOR
--
NRSA6AJ-473W
R2204
MG RESISTOR
--
NRSA6AJ-473W
C2108
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
C2207
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
C2208
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
C2211
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
C2214
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
C2223
CAPACITOR
NCBA1AK-104W
----
--
C2224
CAPACITOR
NCBA1AK-104W
----
--
C2301
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
C2402
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
C2751
T CAPACITOR
NBE20JM-106X
*NBE80JM-106X
*
*
AUDIO BOARD ASSEMBLY <08>
!
REF.
MODEL
GR-DVX88EG
GR-DVX78A
GR-DVX78A-S
GR-DVX78EA
NO.
ITEM
PW1
JACK BOARD ASSY
YB10323B1
*YB10323B1-01
*
*
Q2801
TRANSISTOR
--
*2SD1979/S/-X
*
*
R2801
MG RESISTOR
--
*NRSA63J-103X
*
*
R2805
MG RESISTOR
--
*NRSA63J-0R0X
*
*
C2801
CAPACITOR
--
*NCB31CK-683X
*
*
C2803
CAPACITOR
--
*NCB31EK-153X
*
*
JACK BOARD ASSEMBLY <09>
3


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5-1
SECTION 5
PARTS LIST
SAFETY PRECAUTION
Parts identified by the
! symbol are critical for safety. Replace only with specified part numbers.
5.1
PACKING AND ACCESSORY ASSEMBLY <M1>
The instruction manual to be provided with this product will differ according to the destination.
5
1
2
4
FINAL ASSY
<M2>
6
25
35
7
30
31
33
9
LABEL
(SERIAL)
27
3
17
20
21
23
22
26
32
13
15
16
11
14
28
24
19
18
34
12
10