JVC GR-D241AC, GR-D252AH Service Manual
SERVICE MANUAL
DIGITAL VIDEO CAMERA
YF10520058
GR-D241AC, GR-D252AH
GR-D241ACB[M5D2S2],
GR-D252AHM[M5D2S3]
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. YF079 (GR-D240EX).
Also, be sure to note important safety precautions provided in the service manual.
TABLE OF CONTENTS
1 PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
5 TROUBLE SHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
COPYRIGHT © 2005 Victor Company of Japan, Limited
No.YF105
2005/8
SPECIFICATION
Camcorder
For General Power supply DC 11.0 V(Using AC Adapter)
DC 7.2 V (Using battery pack)
Power consumption Approx. 3.2 W (LCD monitor off, viewfinder on)
Approx. 4.2 W (LCD monitor on, viewfinder off)
Dimensions (W × H × D) 56 mm × 94 mm × 112 mm
(with the LCD monitor closed and the viewfinder pushed back in)
Weight Approx. 430g
(without battery, cassette and lens cap)
Approx. 510 g
(incl. battery, cassette and lens cap)
Operating temperature 0°C to 40°C
Operating humidity 35% to 80%
Storage temperature -20°C to 50°C
Pickup 1/6" CCD
Lens F 1.8, f = 2.2 mm to 55 mm, 25:1 power zoom lens
Filter diameter Ø27 mm
LCD monitor 2.5" diagonally measured, LCD panel/TFT active matrix system
Viewfinder Electronic viewfinder with 0.16" color LCD
Speaker Monaural
LED Light Effective distance: 1.5 m (GR-D252 ONLY)
For Digital Video
Camera
For Connectors AV S-Video output Y: 1.0 V (p-p), 75 ., analogue
Format DV format (SD mode)
Signal format PAL standard
Recording/Playback
format
Cassette Mini DV cassette
Tape speed SP: 18.8 mm/s, LP: 12.5 mm/s
Maximum recording time
(using 80 min. cassette)
Microphone Input Ø3.5 mm, stereo
DV Input/output 4-pin, IEEE 1394 compliant (GR-D241 OUTPUT ONLY)
Video Digital component recording
Audio PCM digital recording, 32 kHz 4-channel (12-bit), 48 kHz 2-channel (16-bit)
SP: 80 min., LP: 120 min.
C: 0.29 V (p-p), 75 ., analogue
Video output: 1.0 V (p-p), 75 ., analogue
Audio output: 300 mV (rms), 1 kΩ, analogue, stereo
AC Adapter
Power requirement AC 110 V to 240 V, 50 Hz/60 Hz
Output DC 11 V, 1 A
Specifications shown are for SP mode unless otherwise indicated. E & O.E. Design and specifications subject to change without
notice.
1-2 (No.YF105)
SECTION 1
PRECAUTION
Please refer to "GR-D240EX No.YF079" about this section.
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
2.1 DIFFERENCE LIST
The following table indicate main different points between models GR-D240EX, GR-D241AC and GR-D252AH.
MODEL GR-D240EX GR-D241AC GR-D252AH
LED LIGHT NO NO YES
DV TERMINAL YES(OUT) YES(OUT) YES(IN/OUT)
REMOTE CONTROL UNIT NO NO RM-V720US
MIC INPUT YES(Plug in power) NO YES(Plug in power)
AC ADAPTER AP-V17E AP-V14AC AP-V14E
AC CORD NO YES(CCC Plug) YES(CEE Plug)
CONVERSION PLUG NO NO YES(Fix to AC Cord)
PERI-RCA ADAPTER YES NO NO
SECTION 3
DISASSEMBLY
Please refer to "GR-D240EX No.YF079" about this section.
SECTION 4
ADJUSTMENT
Please refer to "GR-D240EX No.YF079" about this section.
SECTION 5
TROUBLESHOOTING
Please refer to "GR-D240EX No.YF079" about this section.
(No.YF105)1-3
Victor Company of Japan, Limited
AV & MULTIMEDIA COMPANY CAMCORDER CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan
(No.YF105)
Printed in Japan
VPT
SCHEMATIC DIAGRAMS
DIGITAL VIDEO CAMERA
YF10520058
GR-D241AC, GR-D252AH
CD-ROM No.SML200508
GR-D241ACB[M5D2S2],
GR-D252AHM[M5D2S3]
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. YF079 (GR-D240EX).
Also, be sure to note important safety precautions provided in the service manual.
COPYRIGHT © 2005 Victor Company of Japan, Limited
No.YF105SCH
2005/8
CCD, OPE, MONITOR CIRCUIT BOARDS
<02>CCD
LYB20013-001D
COMPONENT SIDE(A)
CAUTION :
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S).
ATTENTION :
POUR UNE PROTECTION PERMANENTE CONTRE LES RISQUE D'INCENDE,
!
REMPLACER LES FUSIBLES PAR UNAAUTRE DE MEME TYPE ET DE MEME TENSION.
<04>OPE
LYB10019-001C
FOIL SIDE(B)
Q5002
R5002
1
CN5001
20
<06>MONITOR
LYB10019-001C
C5003
126
TESTG
CN302
S305
CN301
COMPONENT SIDE(A)
120
C302
C301
S303
TEST
R303
R304
S304
S301S302
R302
S306
C5001
L5002
7
R5001
Q5001
L5001
C5002C5004 C5007
8
C5005
C5006
TEST
1
IC5001
14
COMPONENT SIDE(A)
Q7502
R7503
Q7504
L7501
L7502
F7501
R7502
C7501
Q7501
C7502
Q7503
C7503
T7501
C7618
IC7602
13
R7608
R7605
C7614
C7622
C7617
ZP2-17
C7613
54
R7609
R7611
ZP2-37
R7607
C7601
C7615
ZP2-35
R7610
R7604
R7504
L7602
C7602
ZP2-22
ZP1-5
D7602
R7615
ZP1-17
ZP1-19
ZP1-3
ZP1-6
C7605
ZP2-4
C7604
CN7601
ZP2-1ZP2-2ZP2-3
ZP2-5
120
ZP1-1
C7609
R7613
D7604
R7614
C7607
C7608
C7610
C7611
ZP2-13
C7612
CN7602
ZP2-14
ZP2-15
D7605
D7603
C7606
R7501
1 40
C7603
ZP2-6
ZP2-8
ZP2-10
ZP2-12
ZP2-7
ZP2-9
ZP2-11
ZP2-16
C7619
R7612
R7601
C7620
ZP2-25 ZP2-26
L7603
R7603
R7602
L7604
L7601
C7621
R7606
Victor Company of Japan, Limited
AV & MULTIMEDIA COMPANY CAMCORDER CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan
(No.YF105)
C7504C7505
Printed in Japan
VPT
PARTS LIST
SAFETY PRECAUTION
Parts identified by the symbol are critical for safety. Replace only with specified part numbers.
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.
1. EXPLODED VIEW
1.1 FINAL ASSEMBLY<M1>
The instruction manual to be provided with this product will differ according to the destination.
124 123
121 133
122
MODEL
GR-D241AC
GR-D252AH
MARK
A
B
117
c
F2
117
120 120 120
203
107
114
a
125
F1
118
b
MONITOR
<M4>
201
a
134
202
b
F1
ASSEMBLY
c
F2
115
VF ASSEMBLY
<M3>
d
116
d
106
(No.YF105)3-1
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