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