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SERVICE MANUAL
No. 86687
April 2002
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
GR-DVL320ED,520ED,525ED,925ED
Regarding service information other than these sections, refer to the GR-DVL160EG service manual (No. 86662).
Also, be sure to note important safety precautions provided in the service manual.
(The specifications shown pertain specifically to the model GR-DVL320,DVL520,DVL525,DVL925,DVL970,DVL1170)


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TABLE OF CONTENTS
DIFFERENT TABLE ................................................................................................................................................................................................................... 1 to 2
4.
CHARTS AND DIAGRAMS (4-1 to 4-4)
4.1
DSC SCHEMATIC DIAGRAM [GR-DVL525ED,DVL925ED] .................................................................................................................................................. 4-1
4.2
DSC CIRCUIT BOARD [GR-DVL525ED,DVL925ED] ............................................................................................................................................................ 4-3
5.
PARTS LIST (5-1 to 5-8)
5.1
PACKING AND ACCESSORY ASSEMBLY <M1> .................................................................................................................................................................. 5-1
5.2
FINAL ASSEMBLY <M2> ....................................................................................................................................................................................................... 5-3
5.3
MONITOR ASSEMBLY <M5> [GR-DVL320ED,DVL525ED] .................................................................................................................................................. 5-6
5.3
MONITOR ASSEMBLY <M5> [GR-DVL520ED,DVL925ED] .................................................................................................................................................. 5-7
5.4
ELECTRICAL PARTS LIST [GR-DVL525ED,DVL925ED] ...................................................................................................................................................... 5-8
DSC BOARD ASSEMBLY <10> ............................................................................................................................................................................................... 5-8
The following table indicate main different points between models GR-DVL160EG-X, GR-DVL320ED, GR-DVL520ED, GR-DVL525ED, and GR-DVL925ED.
MODEL
GR-DVL160EG-X
GR-DVL320ED
GR-DVL520ED
GR-DVL525ED
GR-DVL925ED
ITEM
The following table indicate different parts number between models GR-DVL160EG-X, GR-DVL320ED, GR-DVL520ED,
GR-DVL525ED, and GR-DVL925ED.
PACKING AND ACCESSORY ASSEMBLY <M1> Note: As for IB (INSTRUCTIONS), refer to sec.5.
!
REF.
MODEL
GR-DVL160EG-X
GR-DVL320ED
GR-DVL520ED
GR-DVL525ED
GR-DVL925ED
NO.
ITEM
1
Notes : Mark -- is not used.
Mark
is same as left.
Mark * reference model was also changed.
1
PACKING CASE
LY32567-020A
LY32567-011A
LY32567-013A
LY32567-014A
LY32567-016A
2
CUSHION
LY32568-001C
*LY32923-001C
*
*
*
3
POLY BAG
LY30023-008A
*LY30023-022A
*
*
*
7
SHEET(AGREMENT)
--
LYT0934-001A
9
WARRANTY CARD
BT-54013-2
BT-59011-2
12
SHEET(ATT.)
--
LYT0974-001A
----
13
SER.NET CARD
--
BT-59012-1
18
CABLE ASSY
--
--
--
PEAC0428-150
19
CORE FILTER
--
--
--
QQR0491-002
20
USB CABLE
--
--
--
QAM0324-001
21
CORE FILTER
--
--
--
QQR0491-002
22
PC CONNECTION CABLE
--
QAM0084-001A
----
23
CORE FILTER
--
*QQR0918-002
----
! 24
AC ADAPTER
LY20847-001C
LY20847-002B
25
CORE FILTER
QQR0490-002
*--
*--
QQR0917-002
! 26
POWER CORD
QMPL120-190-JP
QMPS120-190-JR
27
RM(EDITING)CABLE
QAM0214-001
----
32
REMOTE CONTROL UNIT
LY20750-001A
YQ20922R
33
BATTERY,X2
AAA(R03)
--
--
--
--
34
CD ROM ASSY
--
LY32210-022A
LY32210-023A
37
MEMORY CARD
--
--
--
QAM0404-002
39
ADAPTOR PLUG
QAM0302-001
--
--
--
--
43
LI BATTERY
--
PECA0903
44
CORE FILTER
--
*QQR0491-002
*
*
*
45
POLY BAG
--
*QPA02502505P
*
*
*
FINAL ASSEMBLY <M2>
!
REF.
MODEL
GR-DVL160EG-X
GR-DVL320ED
GR-DVL520ED
GR-DVL525ED
GR-DVL925ED
NO.
ITEM
101
UPPER CASE ASSY
LY20774-001B
*LY20774-001C
LY20797-007B
LY20774-003D
LY20797-001D
101A
TOP COVER
LY20775-001A
LY20776-001A
LY20775-001A
LY20776-001A
101B
PLATE(UPPER)
LY32371-002A
LY32371-001A
101E
COVER(SD)
--
--
--
LY32375-001B
101F
SHAFT
--
--
--
LY43292-001A
101G
SPRING
--
--
--
LY43293-001A
101J
EARTH SHEET/BRACKET(EARTH)
LY43540-001A
*LY32886-001A
LY32887-001A
*LY32886-001A
LY32887-001A
101M
SPECIAL SCREW,X2
LY30018-084A
LY30018-038A
LY30018-084A
LY30018-038A
101N
COVER(SD)DUMMY
LY32376-001A
----
101P
SPECIAL SCREW
LY30018-023A
----
104
SPECIAL SCREW
LY30018-066A(,X4)
*LY30018-066A(,X2)
*
*
*
108
KNOB(SLIDE)
--
--
--
LY43263-002A
113
FFC WIRE
--
--
--
QUQ105-1011AA
119
WINDOW(MONI2.5)
LY32378-009A
--
--
--
--
120
STICKER(SIDE)
LY43566-004A
LY43566-008A
LY43566-009A
122
SPECIAL SCREW,X2
--
*LY30018-099A
*
*
*
125
FRONT COVER ASSY
LY32382-003A
LY32382-009A
LY32382-003A
126
STICKER(TOP)
LY43567-001A
LY43567-005A
140
LOWER CASE ASSY
LY20769-002B
*LY20769-002E
*
LY20769-003E
144
PLATE(ADJUST)
LY43256-001A
*LY43256-001B
*
*
*
164
SPECIAL SCREW
--
--
--
LY30019-038A
MONITOR ASSEMBLY <M5>
!
REF.
MODEL
GR-DVL160EG-X
GR-DVL320ED
GR-DVL520ED
GR-DVL525ED
GR-DVL925ED
NO.
ITEM
500
MONITOR ASSY
LYH20246-036A
LYH20246-036C
LYH20246-047C
LYH20246-040C
LYH20246-037C
501
MONITOR COVER ASSY
LY20808-001A
LY20808-001B
LY20809-001B
LY20808-002B
LY20809-002B
501E
MARK
LY42883-001A
*LY42883-001B
*
*
*
501F
WINDOW(MONI)
--
LY32378-009A
LY32379-005A
LY32378-009A
LY32379-005A
502
MONITOR CASE/MONITOR CASE ASSY
LY10264-001A
LY20598-002A
LY10264-001A
LY20598-002A
502A
EARTH MON(2)
--
--
LY42388-001A
--
LY42388-001A
504
HOLDER
LY20674-001A
LY20568-001A
LY20674-001A
LY20568-001A
506
BACK LIGHT
QLL0093-001
*QLL0121-001
QLL0123-001
*QLL0121-001
QLL0123-001
507
LCD MODULE
QLD0154-001
QLD0203-001
QLD0154-001
QLD0203-001
511
SPACER(A)
--
*LY30029-0Y4A
--
*LY30029-0Y4A
--
LCD MONITOR
2.5"
3.5"
2.5"
3.5"
MEMORY CARD
Not Used
8MB(MMC)
DV TERMINAL
OUTPUT ONLY
IN/OUT
TOTAL ZOOM RATIO
500X
700X
DSC
Not Used
Used
AC ADAPTER
AP-V12EG
AP-V12ED


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2
MAIN BOARD ASSEMBLY <01>
!
REF.
MODEL
GR-DVL160EG-X
GR-DVL320ED
GR-DVL520ED
GR-DVL525ED
GR-DVL925ED
NO.
ITEM
PW
MAIN BOARD ASSY
YB10359PC-03
YB10359PF-02
YB10359PH-02
IC1001
IC(MICRO C ROM)
UPD703039F1-A25
UPD703039F1-A28
IC1006
IC(MICRO C ROM)
MB90097PFV145
MB90099PFV121
IC1301
IC
SN74LV08APW
----
IC1302
IC
MAX3221CAE
----
IC1401
IC(MICRO C ROM)
UPD703040YF-M09
UPD703040YF-M06
IC1402
IC(DIGITAL)
TC7W66FU
----
Q4802
TRANSISTOR
------
2SC4617/RS/-X
Q4803
DIGI TRANSISTOR
------
DTC143EE
Q4804
DIGI TRANSISTOR
------
DTA144EE
Q4805
DIGI TRANSISTOR
------
DTA143EE
R1059
MG RESISTOR
NRSA6AJ-0R0W
----
R1307
MG RESISTOR
------
NRSA6AJ-0R0W
R1308
MG RESISTOR
------
NRSA6AJ-0R0W
R1415
MG RESISTOR
------
NRSA6AJ-472W
R1416
MG RESISTOR
------
NRSA6AJ-472W
R1427
MG RESISTOR
NRSA6AJ-104W
----
R2127
MG RESISTOR
NRSA6AJ-0R0W
----
NRSA6AJ-0R0W
R2128
MG RESISTOR
NRSA6AJ-0R0W
----
NRSA6AJ-0R0W
R2203
MG RESISTOR
--
NRSA6AJ-0R0W
R4302
MG RESISTOR
------
NRSA6AJ-101W
R4825
MG RESISTOR
------
NRSA6AJ-222W
R4826
MG RESISTOR
------
NRSA6AJ-473W
R4837
MG RESISTOR
------
NRSA6AJ-0R0W
R4846
MG RESISTOR
------
NRSA6AJ-0R0W
RA4307
NETWORK RESISTOR
------
NRZ0034-221W
RA4308
NETWORK RESISTOR
------
NRZ0034-221W
RA4309
NETWORK RESISTOR
------
NRZ0034-221W
RA4310
NETWORK RESISTOR
------
NRZ0034-221W
C1301
CAPACITOR
NCFA1AZ-104W
----
C1302
CAPACITOR
NCFA1AZ-104W
----
C1303
CAPACITOR
NCFA1AZ-104W
----
C1304
CAPACITOR
NCFA1AZ-104W
----
C1305
CAPACITOR
NCFA1AZ-104W
----
C1306
CAPACITOR
NCFA1AZ-104W
----
X3002
CRYSTAL RESONATOR
NAX0480-001X
NAX0206-001X
NAX0480-001X
CN111
CONNECTOR
------
QGB0501L1-80X
Notes : Mark -- is not used.
Mark
is same as left.
Mark * reference model was also changed.
MONITOR BOARD ASSEMBLY <02>
!
REF.
MODEL
GR-DVL160EG-X
GR-DVL320ED
GR-DVL520ED
GR-DVL525ED
GR-DVL925ED
NO.
ITEM
PW
MONITOR BOARD ASSY
YB10360PB-02
YB10360PP-02
YB10360PY-02
YB10360PZ-02
D11
SI DIODE
------
RSA6.1J4-W
R7
MG RESISTOR
------
NRSA63J-103X
R8
MG RESISTOR
------
NRSA63J-152X
R18
MG RESISTOR
------
NRSA63J-473X
R19
MG RESISTOR
------
NRSA63J-103X
R21
MG RESISTOR
------
NRSA63J-103X
R22
MG RESISTOR
------
NRSA63J-473X
R23
MG RESISTOR
------
NRSA63J-104X
R7612
CMF RESISTOR
NRVA63D-223X
NRVA63D-682X
NRVA63D-223X
NRVA63D-682X
R7624
CMF RESISTOR
----
NRVA63D-223X
--
NRVA63D-223X
R7625
CMF RESISTOR
----
NRVA63D-223X
--
NRVA63D-223X
R7636
MG RESISTOR
NRSA63J-101X
NRSA63J-221X
NRSA63J-101X
R7637
MG RESISTOR
NRSA63J-101X
NRSA63J-221X
NRSA63J-101X
R7638
MG RESISTOR
NRSA63J-101X
NRSA63J-221X
NRSA63J-101X
C11
T CAPACITOR
------
NBE20JM-106X
C7636
CAPACITOR
----
NCF31CZ-104X
--
NCF31CZ-104X
C7645
MG RESISTOR
--
*NRSA63J-103X
--
*NRSA63J-103X
--
L10
FERRITE BEAD
------
NQR0129-002X
L7605
COIL
NQL365K-100X
--
NQL365K-100X
--
L7606
COIL
----
NQL365K-100X
--
NQL365K-100X
SW6
SLIDE SWITCH
------
NSW0099-001X
SW7
TACT SWITCH
------
NSW0160-001X
SW8
TACT SWITCH
------
NSW0160-001X
CN762
FPC CONNECTOR
------
QGF0508F1-10X
CN766
SD CARD CONNECTOR
------
NNZ0058-001X
CCD BOARD ASSEMBLY <04>
!
REF.
MODEL
GR-DVL160EG-X
GR-DVL320ED
GR-DVL520ED
GR-DVL525ED
GR-DVL925ED
NO.
ITEM
PW
CCD BOARD ASSY
YB20914A-01
YB20914B-01
Q5202
TRANSISTOR
------
2SC4081/RS/-X
R5205
MG RESISTOR
------
NRSA63J-472X
DSC BOARD ASSEMBLY <10>
!
REF.
MODEL
GR-DVL160EG-X
GR-DVL320ED
GR-DVL520ED
GR-DVL525ED
GR-DVL925ED
NO.
ITEM
PW
DSC BOARD ASSY
------
YB20915B-04


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Printed in Japan
VICTOR COMPANY OF JAPAN, LIMITED
VIDEO DIVISION
S40894