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SERVICE MANUAL
COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
No.YF018
2004/1
DIGITAL VIDEO CAMERA
YF018
2004
1
GR-D32US,GR-D71US,
GR-D72US,GR-D74US
For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY).
Regarding service information other than these sections, refer to the service manual No. YF005 (GR-D73US).
Also, be sure to note important safety precautions provided in the service manual.
GR-D32US[M4D1S3], GR-D71US,GR-D72US,GR-D74US[M4D1S7]
NOTE :
There are two types of VF(COLOR) ASSEMBLY used for this model: S type and K type.
Prior to repair operation related to VIEW FINDER, be sure to see the VF(COLOR)
ASSEMBLY and Parts List.
Methods to distinguish the two types are as follows:
1. Distinction based on EEPROM DATA (EEPROM utility). (*1)
2. Distinction based on a part number of the MONI-C BOARD ASSEMBLY.
3. Distinction based on a sticker attached to the VF(COLOR) ASSEMBLY.
S TYPE
K TYPE
EEPROM DATA (*1)
ADRS 3CCH:01H
ADRS 3CCH:05H
MONI-C PWB
YB10447 SERIES
YB10453 SERIES
VF(COLOR) ASSY
NO STICKER
STICKER ON TOP FACE
STICKER
VF(COLOR) ASSEMBLY
(*1) It is necessary to confirm the original data (before repair work) of EEPROM.


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(No.YF018)
WPC
Printed in Japan
JVC SERVICE & ENGINEERING COMPANY OF AMERICA
DIVISION OF JVC AMERICAS CORP.
www.jvcservice.com(US Only)
JVC CANADA INC.
Head office :
21 Finchdene Square Scarborough, Ontario M1X 1A7
(416)293-1311
SPECIFICATION (The specifications shown pertain specifically to the model GR-D74US)
DIFFERENT TABLE OF FEATURE
The following table indicate main different points between models GGR-D73US, GR-D32US, GR-D71US, GR-D72US and
GR-D74US.
MODEL
GR-D73US
GR-D32US
GR-D71US
GR-D72US
GR-D74US
ANALOG INPUT
YES
NO
YES
YES
YES
REMOTE CONTROL
RM-V718U
NO
RM-V718U
RM-V718U
RM-V718U
BODY COLOR
Silver & Blue
Silver & S.Gray
Silver & S.Gray
Silver & Blue
Silver & S.Gray
USB CABLE
YES
NO
YES
YES
YES
MEMORY CARD
YES(MMC 8MB)
NO
NO
NO
YES(MMC 8MB)


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(No.YF018)3-1
PARTS LIST
SAFETY PRECAUTION
Parts identified by the symbol are critical for safety. Replace only with specified part numbers.
1. EXPLODED VIEW
1.1 PACKING AND ACCESSORY ASSEMBLY <M1>
The instruction manual to be provided with this product will differ according to the destination.
060
061
062
055
063
009
010
012
015
014
013
005
007
004
051
003
019
001
056
<M2>
FINAL ASSEMBLY
052
(SERIAL)
LABEL
002
099
098
MODEL
GR-D32US
D
MARK
A
B
C
GR-D71US
GR-D72US
GR-D74US


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3-2(No.YF018)
1.2 FINAL ASSEMBLY <M2>
BEWARE OF BOGUS PARTS
Parts that do not meet specifications may cause trouble in regard to safety and performance. We recommend that genuine
JVC parts be used.
123
121
106
117
108
107
109
124
118
132
f
g
f
121
121
g
118
c
d
c
e
114
115
113
113
a
112
105
116
116
304
303
305
302
306
302
211
201
205
206
301D
301D
301C
301E
301A
301C
301B
301C
RATING
LABEL
301
103B
103C
103
103A
103D
103D
103D
106A
106A
106A
107A
107A
107B
d
F1
W1
F8
F9
F7
F6
F5
F4
113
e
F8
F7
F6
F5
F4
F2
F3
a
123
F9
122
122
301C
301C
301C
301C
ASSEMBLY<M3>
MECHANISM
PREMDA BOARD
ASSEMBLY<05>
CCD BOARD
ASSEMBLY<04>
353
352
133


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(No.YF018)3-3
119
120
113
111
110
104
130
131
129
127
125
126
128
204
208
209
210
202
203
207
128
F1
W1
F3
F2
b
ASSEMBLY<01>
MAIN BOARD
REAR SIDE
BOTTOM SIDE
TOP SIDE
134