JVC GR-SXM257UM, SXM357UMUB, SXM757UMUB Service Manual

Page 1

SERVICE MANUAL

VIDEOCAMARA VHS COMPACTO

GR-SXM257UM,SXM357UM/UB,SXM757UM/UB

Regarding service information other than these sections, refer to the GR-SXM340U and GR-SXM740U service manual (No. 86656). Also, be sure to note important safety precautions provided in the service manual.

SPECIFICATIONS

Generalidades

Formato : Norma NTSC S-VHS

Alimentación : 11 V CC } (Empleando el adaptador de CA)

Consumo de energía

Visor conectado : 4.0 W (GR-SXM957/SXM757/SXM357/SXM257 exclusivamente)

Monitor LCD* conectado : 4.5 W (GR-SXM957/SXM757/SXM357/SXM257 exclusivamente) Foco de video** : 3.0 W

*Sólo para modelos aplicables. ** GR-SXM957/SXM757/SXM357/SXM257/SX887 exclusivamente.

Sistema de señales : Tipo NTSC Sistema de registro de video

Luminancia : Registro por FM

Color : Registro directo por subportadora convertida Según la norma VHS Cassette : Videocassette Velocidad de la cinta

SP : 33.35 mm/seg. (1-5/16 ips)

EP : 11.12 mm/seg. (7/16 ips) Tiempo máximo de grabación

SP : 40 min.

EP : 120 min.

Temperatura de funcionamiento Margen de humedadpara funcionamiento Temperatura de almacenamiento : –20°C a +50°C (-4°F a 122°F) Peso : Aprox. 930 g (2.1 lbs) (GR-SXM957 exclusivamente)

Dimensiones : 200 mm x 112 mm x 118 mm (7-7/8” x 4-7/16” x 4-11/16”)

(An x Al x Pr) (GR-SXM957/SXM757/SXM357/SXM257 exclusivamente)

*Sólo para modelos aplicables.

Fonocaptor : CCD de 1/4” Objetivo : Objetivo zoom motorizado F1.6, f = 3.9 mm a 62.4 mm, objetivo de

Visor : Electrónico con pantalla catódica monocroma de 0.55” color LCD

(The specifications shown pertain specifically to the model GR-AX787,SX887,SXM257,SXM357,SXM757,SXM957)

Videocámara

(GR-SXM957/SXM757/SXM357/SXM257/SX887 exclusivamente)/VHS

}

(Utilizando la batería)

6 V CC

3.7 W (GR-SX887/AX787exclusivamente)

Ajuste del balance del blanco Monitor LCD : 3.5” medidas diagonalmente, sistema de matriz activa LCD/TFT

(sólo para (GR-SXM957 exclusivamente) 3” medidas diagonalmente, modelos aplicables) sistema de matriz activa LCD/TFT (GR-SXM757

Altavoz : Monofónico

(sólo para modelos aplicables)

Conectores

Video :

Audio : Salida analógica de 300 mV (rms), 1 kØ (vía conector de salilda

Digital : Jack con minicabeza

(GR-SXM957/SXM757 de ø3,5 mm, 4-polos exclusivamente)

S-Video : Y : Salida analógica

(GR-SXM957/ 1 V (p-p), 75 Ø SXM757/SXM357 C : Salida analógica SXM257/SX887 exclusivamente) 0.29 V (p-p), 75 Ø

: Automático/manual

exclusivamente) 2.5” medidas diagonalmente, sistema de matriz activa LCD/TFT (GR-SXM357/SXM257 exclusivamente)

1 V (p-p), 75 Ø desequilibrada, salida analógica (vía conector de salida de video)

de audio)

Adaptador de CA

(con un cassette TC-40)

Aprox. 910 g (2.0 lbs) (GR-SXM757/SXM357/SXM257exclusivamente) Aprox. 850 g (1.9 lbs) (GR-AX787 exclusivamente) Aprox. 820 g (1.8 lbs) (GR-SX887 exclusivamente)

200 mm x 112 mm x 115 mm (7-7/8” x 4-7/16” x 4-9/16”) (GR-SX887/AX787 exclusivamente) (con el monitor LCD* cerrado y con el visor totalmente inclinado hacia abajo)

zoom motorizado de 16:1 con diafragma automático y control de macro, diámetro de filtro de 40.5 mm

(GR-SX887 exclusivamente) Electrónico con pantalla catódica monocroma de 0.5” (GR-SXM957/SXM757/SXM357/SXM257/AX787 exclusivamente)

: 0°C a +40°C (32°F a 104°F) : 35% a 80%

Alimentación : 110 V a 240 V de CA, 50 Hz/60 Hz Salida : CC 11 V

}

, 1 A

Accesorios opcionales

• Baterías BN-V12U, BN-V20U, BN-V400U

• Cable A/V (Audio/Vídeo)

• Cable S-video QAM0004-004

• S-VHS (

ST-C40/30/20

• VHS (

• Bolso CB-V7U

Algunos accesorios no se encuentran disponibles en cier tas áreas. Por favor consulte a su agente más cercano de JVC antes de comprar los accesorios opcionales.

Las especificaciones indicadas son para el modo SP a menos que se indique lo contrario. E & O.E. El diseño y las especificaciones están sujetos a cambio sin aviso.

) Compacto (cassettes S-VHS-C)

) Compacto (cassettes VHS-C) TC-40/30/20

This service manual is printed on 100% recycled paper.

No. 86678

March 2002

Page 2

DIFFERENT TABLE .................................................................................................................................................................................... 1 to 3

5. PARTS LIST (5-1 to 5-6)

5.1 PACKING AND ACCESSORY ASSEMBLY <M1> ................................................................................................................................ 5-1

5.2 FINAL ASSEMBLY <M2> ...................................................................................................................................................................... 5-3

5.3 MONITOR ASSEMBLY <M5> [GR-SXM757UM/UB] ............................................................................................................................ 5-6

The following table indicate main different points between models GR-SXM340U, GR-SXM257UM, GR-SXM357UM and GR-SXM357UB.

ITEM

MODEL

BODY COLOR METALLIC GRAY SILVER

TOTAL ZOOM RATIO 600X 700X

DIGITAL TERMINAL Used Not Used

AC ADAPTER AP-V12U AP-V12EG

REMOTE CONTROL UNIT Not Used Provided · RM-V715U Option

CASSETTE ADAPTER Provided · C-P7U Option

The following table indicate main different points between models GR-SX740U, GR-SXM757UM and GR-SXM757UB.

MODEL

ITEM

LCD MONITOR 3.5” 3.0”

TOTAL ZOOM RATIO 600X 700X

AC ADAPTER AP-V12U AP-V12EG

REMOTE CONTROL UNIT Not Used Provided · RM-V715U Option

CASSETTE ADAPTER Provided · C-P7U Option

GR-SXM340U GR-SXM257UM GR-SXM357UM GR-SXM357UB

GR-SXM740U GR-SXM757UM GR-SXM757UB

The following table indicate different parts number between models GR-SXM340U, GR-SXM257UM, GR-SXM357UM and GR-SXM357UB.

PACKING AND ACCESSORY ASSEMBLY <M1> Note: As for IB (INSTRUCTIONS), refer to sec.5.

REF.

! 11 AC ADAPTER LY20848-001B LY20847-001C ! 12 POWER CORD — — — QMPS110-190-JR

ITEM

No.

1 PACKING CASE LY32545-001B LY32563-035A LY32563-025A — 6 REGIST.CARD BT-51028-1 — — — 7 WARRANTY INF. BT-51005-5 — — — 9 SHEET(AGREMENT) LYT0934-001A — — —

16 BATTERY AA(R6) — 19 REMOTE CONTROL UNIT — — LY42129-001A — 20 BATTERY,X2 — — AAA(R03) — 21 CASSETTE ADAPTER YQ31963B-3 — 22 POLY BAG YQ43446 — 32 PC CONNECTION CABLE QAM0384-001 — — — 33 CORE FILTER QQR1266-001 — — — 34 CD ROM ASSY LY32210-020B — — — 36 SHEET(ATT.) LYT0974-001A — — — 37 SHEET(CORRECT.) — *LYT1039-001A * — 38 SHEET(CORRECT.) — *LYT1016-001A * —

MODEL

GR-SXM340U GR-SXM257UM GR-SXM357UM GR-SXM357UB

Notes : Mark is same as left.

Mark — is not used. Mark * reference model was also changed.

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FINAL ASSEMBLY <M2>

REF.

! 135 FRONT COVER ASSY LY20683-036A LY20683-048A LY20683-044A

ITEM

No.

101 CASSETTE COVER(M)ASSY LY20694-012A LY20694-011A 103 UPPER CASE(M) LY10257-054A LY10257-067A LY10257-064A 110 LOWER CASE ASSY LY20684-023A LY20684-022A LY20684-023A 125 TOP OPERATION UNIT LY20614-012C LY20614-020B LY20614-009C 130 REAR UNIT LY20615-007B LY20615-005E

135H STICKER(C) LY32060-003A LY32060-005A LY32060-003A 139 TAP SCREW — *QYSPSTU1725M * * 142 SCREW QYSPSPU1720Z(,X2) *QYSPSPU1720Z(,X1) * *

MODEL

GR-SXM340U GR-SXM257UM GR-SXM357UM GR-SXM357UB

MECHANISM ASSEMBLY <M3>

REF.

ITEM

No.

400 MECHA(B)ASSY YMA0034A-E YMA0036A-E 444 CAPSTAN MOTOR QAR0212-001 QAR0212-002

MODEL

GR-SXM340U GR-SXM257UM GR-SXM357UM GR-SXM357UB

MONITOR ASSEMBLY <M5>

REF.

! 500 MONITOR ASSY LY20836-005A LY20836-015A ! 501 MONITOR COVER ASSY LY20834-004A LY20834-007A

ITEM

No.

505 HINGE COVER(UPPER) LY31939-004A LY31939-001A

MODEL

GR-SXM340U GR-SXM257UM GR-SXM357UM GR-SXM357UB

MAIN BOARD ASSEMBLY <01>

REF.

PW1 MAIN BOARD ASSY YB10356UB1-01 YB10356UO1-01 YB10356UG1-01 IC105 IC(DIGITAL) TC7S66FU-X ——— IC1801 IC4002 IC8001 D8001 ZENER DIODE EMZ6.8N —— — D8002 ZENER DIODE EMZ6.8N —— — R182 MG RESISTOR NRSA63J-105X —— — R4013 MG RESISTOR NRSA63J-102X — NRSA63J-102X R8001 MG RESISTOR NRSA63J-331X —— — R8002 MG RESISTOR NRSA63J-0R0X —— — R8003 MG RESISTOR NRSA63J-0R0X —— — C140 CAPACITOR — *NDC31HJ-220X * * C144 CAPACITOR — *NDC31HJ-101X * * C4006 CAPACITOR — NDC31HJ-100X —— C4024 CAPACITOR NCF31EZ-104X — NCF31EZ-104X C4044 CAPACITOR NCB30JK-105X — NCB30JK-105X C8001 CAPACITOR NCF31EZ-104X —— — C8002 CAPACITOR NCF31EZ-104X —— — C8003 CAPACITOR NCF31EZ-104X —— — C8004 CAPACITOR NCF31EZ-104X —— — C8005 T CAPACITOR NBE20JM-106X ——— C8006 CAPACITOR NCF31EZ-104X —— — L501 MG RESISTOR NRSA63J-0R0X —— — L8001 COIL NQL365K-220X —— —

ITEM

No.

IR DETECT UNIT ——PIC-26043S IC Z4C2973-32-X — Z4C2973-32-X IC MAX3221CAE —— —

MODEL

GR-SXM340U GR-SXM257UM GR-SXM357UM GR-SXM357UB

MONITOR BOARD ASSEMBLY <07>

REF.

C7616 CAPACITOR NDC31HJ-330X *NDC31HJ-560X * *

No.

ITEM

MODEL

GR-SXM340U GR-SXM257UM GR-SXM357UM GR-SXM357UB

Notes : Mark is same as left.

Mark — is not used. Mark * reference model was also changed.

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The following table indicate different parts number between models GR-SXM740U, GR-SXM757UM and GR-SXM757UB.

PACKING AND ACCESSORY ASSEMBLY <M1> Note: As for IB (INSTRUCTIONS), refer to sec.5.

REF.

! 11 AC ADAPTER LY20848-001B LY20847-001C ! 12 POWER CORD ——QMPS110-190-JR

ITEM

No.

1 PACKING CASE LY32545-006B LY32563-033A — 6 REGIST.CARD BT-51028-1 —— 7 WARRANTY INF. BT-51005-5 ——

16 BATTERY AA(R6) — 19 REMOTE CONTROL UNIT — LY42129-001A — 20 BATTERY,X2 — AAA(R03) — 21 CASSETTE ADAPTER YQ31963B-3 — 22 POLY BAG YQ43446 — 33 CORE FILTER QQR1266-001 —— 37 SHEET(CORRECT.) — *LYT1039-001A — 38 SHEET(CORRECT.) — *LYT1016-001A —

MODEL

GR-SXM740U GR-SXM757UM GR-SXM757UB

FINAL ASSEMBLY <M2>

REF.

! 135 FRONT COVER ASSY LY20683-035A LY20683-046A

ITEM

No.

101 CASSETTE COVER(M)ASSY LY20815-001A LY20694-011A 103 UPPER CASE(M) LY10257-056A LY10257-066A 130 REAR UNIT LY20764-010A LY20615-007B LY20615-007A

139 TAP SCREW — *QYSPSTU1725M * 142 SCREW QYSPSPU1720Z(,X2) *QYSPSPU1720Z(,X1) *

MODEL

GR-SXM740U GR-SXM757UM GR-SXM757UB

MECHANISM ASSEMBLY <M3>

REF.

ITEM

No.

400 MECHA(B)ASSY YMA0034A-E YMA0036A-E 444 CAPSTAN MOTOR QAR0212-001 QAR0212-002

MODEL

GR-SXM740U GR-SXM757UM GR-SXM757UB

MONITOR ASSEMBLY <M5>

REF.

! 500 MONITOR ASSY LY20836-007A LY20836-010A ! 501 MONITOR COVER ASSY LY20816-001A LY20834-007A

ITEM

No.

501C SPACER(A) — LY30029-0R3A 501D SPACER(A) — LY30029-0R4A 502 MONITOR CASE ASSY LY32544-001A LY32035-001A 504 SHIELD CASE LY32334-001A LY32332-001A 518 LCD MODULE QLD0212-001 QLD0213-001 519 LIGHT SCREEN — LY43391-001A 520 LAMP — QLL0111-001 521 HOLDER,X2 — LY43394-001 522 SHEET — LY43395-001A 523 DIFFUSION SHEET(3) — LY43363-001A 528 LCD FRAME LY32335-001A LY32333-001A 530 BACK LIGHT QLL0113-001 ——

MODEL

GR-SXM740U GR-SXM757UM GR-SXM757UB

MAIN BOARD ASSEMBLY <01>

REF.

PW1 MAIN BOARD ASSY YB10356UK1-01 YB10356UC1-01

IC1801

C140 CAPACITOR — *NDC31HJ-220X *

C144 CAPACITOR — *NDC31HJ-101X *

ITEM

No.

IR DETECT UNIT — PIC-26043S

MODEL

GR-SXM740U GR-SXM757UM GR-SXM757UB

MONITOR BOARD ASSEMBLY <07>

REF.

PW MONITOR BOARD ASSY YB20913F YB20913E

Q7607 TRANSISTOR DTC144EE ——

R7622 MG RESISTOR NRSA63J-0R0X ——

R7647 MG RESISTOR — NRSA63J-0R0X

R7648 MG RESISTOR NRSA63J-103X ——

R7649 MG RESISTOR — NRSA63J-333X

R7650 MG RESISTOR NRSA63J-103X ——

No.

ITEM

MODEL

GR-SXM740U GR-SXM757UM GR-SXM757UB

Notes : Mark is same as left.

Mark — is not used. Mark * reference model was also changed.

Page 5

VICTOR COMPANY OF JAPAN, LIMITED VIDEO DIVISION

S40894

Printed in Japan

JVC GR-SXM257UM, SXM357UMUB, SXM757UMUB Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

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