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SERVICE MANUAL
COMPACT VHS CAMCORDER
No. 86664
January 2002
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
GR-FXM383EG,SXM28EG,
SXM58EG,SXM780A
Regarding service information other than these sections, refer to the GR-FXM38EG, SXM48EG service manual (No. 86655).
Also, be sure to note important safety precautions provided in the service manual.
SPECIFICATIONS
(The specifications shown pertain specifically to the model GR-SXM78EA/SXM48EA/
SXM780A/SXM480A/SXM280A/SXM180A/SX140A)
VHS
PAL
625
Camcorder
General
Format
: S-VHS/VHS PAL standard
Power source
: DC 11 V
(Using AC Adapter)
DC 6 V
(Using battery pack)
Power consumption
Viewfinder on
: 4.0 W (GR-SXM78EA/SXM48EA/SXM780A/SXM480A/
SXM280A/SXM180A only)
3.7 W (GR-SX140A only)
LCD monitor* on
: 4.5 W (GR-SXM78EA/SXM48EA/SXM780A/SXM480A/
SXM280A/SXM180A only)
Video light**
: 3.0 W
* Applicable models only.
** GR-SXM78EA/SXM48EA/SXM780A/SXM480A/SXM280A only.
Signal system
: PAL-type
Video recording system
Luminance
: FM recording
Colour
: Converted sub-carrier direct recording Conforms to VHS
standard
Cassette
:
/
cassette
Tape speed
SP
: 23.39 mm/sec.
LP
: 11.70 mm/sec.
Recording time (max.)
SP
: 60 minutes
LP
: 120 minutes
(with EC-60 cassette)
Operating
temperature
: 0°C to 40°C
Operating humidity
: 35% to 80%
Storage temperature
: ­20°C to 50°C
Weight
: Approx. 910 g (GR-SXM78EA/SXM48EA/SXM780A/SXM480A/
SXM280A only)
Approx. 900 g
(GR-SXM180A only)
Approx. 850 g (GR-SX140A only)
Dimensions
: 200 mm x 112 mm x 118 mm
(W x H x D)
(GR-SXM78EA/SXM48EA/SXM780A/SXM480A/SXM280A/
SXM180A only)
200 mm x 112 mm x 115 mm
(GR-SX140A only)
(with the LCD monitor* closed and with the viewfinder fully
tilted downward)
* Applicable models only.
Pickup
: 1/6" format CCD
Lens
: F1.6, f = 3.9 mm to 62.4 mm,
16:1 power zoom lens with auto iris and macro control, filter
diameter 40.5 mm
Viewfinder
: Electronic viewfinder with 0.5" black/white CRT
White balance adjustment : Auto/Manual adjustment
LCD monitor
: 3" diagonally measured, LCD
(Applicable models only)
panel/TFT active matrix system
(GR-SXM78EA/SXM780A/SXM480A only)
2.5" diagonally measured, LCD panel/TFT active matrix system
(GR-SXM48EA/SXM280A/SXM180A only)
Speaker
: Monaural
(Applicable models only)
Connectors
Video
: 1 V (p-p), 75
unbalanced, analogue output (via Video output
connector)
Audio
: 300 mV (rms), 1 k
analogue output
(via Audio output connector)
Digital
: ø3.5 mm, 4-pole, mini-head jack
(GR-SXM78EA/SXM780A only)
S-Video
: Y : 1 V (p-p), 75
, analogue
output
C : 0.30 V (p-p), 75
, analogue output
AC Adapter
Power requirement
: AC 110 V -- 240 V`, 50 Hz/60 Hz
Output
: DC 11 V
, 1 A
Some accessories are not available in some areas. Please consult your nearest JVC
dealer for details on accessories and their availability.
Specifications shown are for SP mode unless otherwise indicated. E & O.E. Design and
specifications subject to change without notice.
Optional Accessories
· Battery Packs BN-V12U, BN-V20U, BN-V400U
· Compact S-VHS (
)
Cassettes SE-C45/30
· Compact VHS (
) Cassettes EC-60/45/30
· Remote Control Unit RM-V700U
· Active Carrying Bag CB-V7U


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The following table indicate different parts number between models GR-FXM38EG-X and GR-FXM383EG-X.
FINAL ASSEMBLY <M2>
TABLE OF CONTENTS
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-SXM780A] ..................................................................................................................................... 5-6
The following table indicate main different points between models GR-FXM38EG-X and GR-FXM383EG-X.
!
REF.
MODEL
GR-FXM38EG-X
GR-FXM383EG-X
NO.
ITEM
101
CASSETTE COVER(M)ASSY
LY20694-002B
LY20694-010A
103
UPPER CASE(M)
LY10257-041A
LY10257-042A
125
TOP OPERATION UNIT
LY20614-014C
LY20614-010C
130
REAR UNIT
LY20615-005F
*LY20615-005E
135
FRONT COVER ASSY
LY20683-030A
LY20683-031A
135F
COVER(LIGHT)/DC LIGHT
LY30934-022A
LY32040-001A
135G
STICKER(A)
LY32058-001A
LY32058-002A
135J
SPACER(A)
--
LY30029-0B4A
! 135K
CAUTION LABEL
--
YQ44341-6
139
SCREW
--
*QYSPSTU1725M
140
FRAME ASSY
LY20832-002B
LY20832-001B
140E
CONTACT(LIGHT),X2
--
YQ43810-1-1
140F
E-SI C WIRE C-F
--
WJM0259-001A
142
SCREW
QYSPSPU1720Z(,x2)
*QYSPSPU1720Z(,x1)
MODEL
GR-FXM38EG-X
GR-FXM383EG-X
ITEM
BODY COLOR
SILVER
MOLD BRACK
DC LIGHT
Not Used
Used
MONITOR ASSEMBLY <M5>
! 500
MONITOR ASSY
LY20836-002A
LY20836-003A
! 501
MONITOR COVER ASSY
LY20834-002A
LY20834-003A
505
HINGE COVER(UPPER)
LY31939-001A
LY31939-003A
!
REF.
MODEL
GR-FXM38EG-X
GR-FXM383EG-X
NO.
ITEM
MAIN BOARD ASSEMBLY <01>
PW1
MAIN BOARD ASSY
YB10356EA1-01
YB10356EG1-01
Q6306 MOS FET
--
SSM3K02F
R6306 MG RESISTOR
--
NRS12BK-R47W
R6307 MG RESISTOR
--
NRSA63J-104X
C6307 E CAPACITOR
--
NEA71CM-106X
CN6
CONNECTOR
--
QGA1201C2-02X
!
REF.
MODEL
GR-FXM38EG-X
GR-FXM383EG-X
NO.
ITEM
Notes : Mark -- is not used.
Mark : * reference model was also changed.
1


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The following table indicate main different points between models GR-SXM48EG-X, GR-SXM28EG-F, GR-SXM58EG-X,
GR-SXM58EG-Y, GR-SXM58EG-Z and GR-SXM780A.
2
Notes : Mark
is same as left.
Mark -- is not used.
Mark : * reference model was also changed.
MODEL
GR-SXM48EG-X
GR-SXM28EG-F
GR-SXM58EG-X
GR-SXM58EG-Y
GR-SXM58EG-Z
GR-SXM780A
ITEM
DC LIGHT
Used
Not Used
Used
LCD MONITOR
2.5"
3"
DIGITAL TERMINAL
Not Used
Used
BATTERY PACK
BN-V11U-E
BN-V11U-F
BN-V20BU
BN-V11U-E
REMOTE CONTROL UNIT
Not Used
RM-V715U
CASSETTE ADAPTER
Optional
Provided
PACKING AND ACCESSORY ASSEMBLY <M1> Note: As for IB (INSTRUCTIONS), refer to sec.5.
!
REF.
MODEL
GR-SXM48EG-X
GR-SXM28EG-F
GR-SXM58EG-X
GR-SXM58EG-Y
GR-SXM58EG-Z
GR-SXM780A
NO.
ITEM
1
PACKING CASE
LY32545-002A
LY32545-001B
LY32563-003B
6
CONNECTOR
PEMC1174
--
7
GUARANTY CARD
--
BT-54008-2
----
--
--
8
WARRANTY CARD
BT-54013-2
--
BT-54013-2
--
! 13
BATTERY PACK
YQ10269E
YQ10269F
LY31199-001A
YQ10269E
16
BATTERY
------
----
AA(R6)
19
REMOTE CONTROL UNIT
------
----
LY42129-001A
20
BATTERY,X2
------
----
AAA(R03)
21
CASSETTE ADAPTER
------
----
YQ31963B-3
22
POLY BAG
------
----
YQ43446
23
S-VIDEO CABLE
QAM0004-003
--
! 24
SHEET(CON.PLUG)
------
----
LYT0609-001A
! 25
CONVERSION PLUG
------
----
PEMC1012-02
32
PC CONNECTION CABLE
----
QAM0384-001
34
CD ROM ASSY
----
LY32210-020B
36
SHEET(ATT.)
----
LYT0974-001A
38
SHEET(AGREMENT)
----
LYT0934-001A
The following table indicate different parts number between models GR-SXM48EG-X, GR-SXM28EG-F, GR-SXM58EG-X,
GR-SXM58EG-Y, GR-SXM58EG-Z and GR-SXM780A.
FINAL ASSEMBLY <M2>
!
REF.
MODEL
GR-SXM48EG-X
GR-SXM28EG-F
GR-SXM58EG-X
GR-SXM58EG-Y
GR-SXM58EG-Z
GR-SXM780A
NO.
ITEM
101
CASSETTE COVER(M)ASSY
LY20694-002B
*LY20694-011A
*
*
LY20694-009B
LY20694-002B
101E
STICKER(E)
--
LY43537-001A
----
LY43537-001A
--
103
UPPER CASE(M)
LY10257-044A
LY10257-043A
LY10257-045A
LY10257-049A
110
LOWER CASE ASSY
LY20684-023A
LY20684-022A
LY20684-023A
125
TOP OPERATION UNIT
LY20614-002C
LY20614-014C
LY20614-002C
127
STICKER(D)
------
----
LY32061-006A
130
REAR UNIT
LY20615-005F
*LY20615-005E
LY20615-007B
135
FRONT COVER ASSY
LY20683-033A
LY20683-030A
LY20683-029A
135F
DC LIGHT/COVER(LIGHT)
LY32040-001A
LY30934-022A
LY32040-001A
135G
STICKER(A)
LY32058-002A
LY32058-001A
LY32058-003A
135H
STICKER(C)
LY32060-004A
LY32060-005A
LY32060-004A
135J
SPACER(A)
LY30029-0B4A
--
LY30029-0B4A
! 135K
CAUTION LABEL
YQ44341-6
--
YQ44341-6
139
SCREW
--
*QYSPSTU1725M
*
*
*
*
140
FRAME ASSY
LY20832-001B
LY20832-002B
LY20832-001B
140E
CONTACT(LIGHT),X2
YQ43810-1-1
--
YQ43810-1-1
140F
E-SI C WIRE C-F
WJM0259-001A
--
WJM0259-001A
142
SCREW
QYSPSPU1720Z(,x2)
*QYSPSPU1720Z(,x1)
*
*
*
*
MONITOR ASSEMBLY <M5>
!
REF.
MODEL
GR-SXM48EG-X
GR-SXM28EG-F
GR-SXM58EG-X
GR-SXM58EG-Y
GR-SXM58EG-Z
GR-SXM780A
NO.
ITEM
! 500
MONITOR ASSY
LY20836-001A
LY20836-004A
502
MONITOR CASE ASSY
LY32036-002A
LY32035-001A
502E
SPACER(A)
LY30029-0T7A
--
504
SHIELD CASE
LY32330-001A
LY32332-001A
518
LCD MODULE
QLD0176-001
QLD0213-001
519
LIGHT SCREEN
LY43392-001A
LY43391-001A
520
LAMP
QLL0110-001
QLL0111-001
521
HOLDER,X2
LY43393-001A
LY43394-001A
522
SHEET
LY43396-001A
LY43395-001A
523
DIFFUSION SHEET
LY43362-001A
LY43363-001A
527
SPACER(A)
------
----
LY30029-0R6A
528
LCD FRAME(3)
------
----
LY32333-001A
529
SPACER(A),X2
------
----
LY30029-0R5A


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3
MAIN BOARD ASSEMBLY <01>
!
REF.
MODEL
GR-SXM48EG-X
GR-SXM28EG-F
GR-SXM58EG-X
GR-SXM58EG-Y
GR-SXM58EG-Z
GR-SXM780A
NO.
ITEM
PW1
MAIN BOARD ASSY
YB10356EB1-01
YB10356EH1-01
YB10356EC1-01
YB10356EJ1-01
IC101
IC(MICRO C ROM)
UPD703039-038
UPD703039-039
IC105
IC(DIGITAL)
----
TC7S66FU
IC1801 IR DETECT UNIT
----
------
PIC-26043S
IC4002 IC
Z4C2973-32-X
--
Z4C2973-32-X
IC8001 IC
----
MAX3221CAE
Q6306 MOS FET
SSM3K02F
--
SSM3K02F
Q6621 PAIR TRANSISTOR
----
------
HN1C01FU/G/-X
Q6622 TRANSISTOR
----
------
2SA1577/QR/-X
D8001 ZENER DIODE
----
EMZ6.8N
R182
MG RESISTOR
----
NRSA63J-105X
R4013 MG RESISTOR
NRSA63J-102X
--
NRSA63J-102X
R6306 MG RESISTOR
NRS12BK-R47W
--
NRS12BK-R47W
R6307 MG RESISTOR
NRSA63J-104X
--
NRSA63J-0R0X
R6622 CMF RESISTOR
----
------
NRVA63D-104X
R6623 CMF RESISTOR
----
------
NRVA63D-473X
R6624 MG RESISTOR
----
------
NRSA63J-273X
R6625 MG RESISTOR
----
------
NRSA63J-822X
R6626 CMF RESISTOR
----
------
NRVA63D-273X
R6627 CMF RESISTOR
----
------
NRVA63D-183X
R8001 MG RESISTOR
----
NRSA63J-331X
R8002 MG RESISTOR
----
NRSA63J-0R0X
R8003 MG RESISTOR
----
NRSA63J-0R0X
C4024 CAPACITOR
NCF31EZ-104X
--
NCF31EZ-104X
C4044 CAPACITOR
NCB30JK-105X
--
NCB30JK-105X
C6307 E CAPACITOR
NEA71CM-106X
--
NEA71CM-106X
C6622 CAPACITOR
----
------
NCB21CK-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
CN6
CONNECTOR
QGA1201C2-02X
--
QGA1201C2-02X
MONITOR BOARD ASSEMBLY <07>
!
REF.
MODEL
GR-SXM48EG-X
GR-SXM28EG-F
GR-SXM58EG-X
GR-SXM58EG-Y
GR-SXM58EG-Z
GR-SXM780A
NO.
ITEM
PW
MONITOR BOARD ASSY
YB20913A
YB20913B
IC7603 IC
SN74AHC1G04K
--
Q7607 TRANSISTOR
DTC144EE
--
R7602 MG RESISTOR
NRSA63D-752X
NRSA63D-432X
R7607 MG RESISTOR
NRSA63D-822X
NRSA63D-153X
R7637 MG RESISTOR
NRSA63J-223X
NRSA63J-682X
R7640 MG RESISTOR
NRSA02J-182X
NRSA02J-122X
R7641 MG RESISTOR
NRSA02J-331X
NRSA02J-821X
R7642 MG RESISTOR
----
------
NRSA63J-0R0X
R7643 MG RESISTOR
----
------
NRSA63J-123X
R7644 MG RESISTOR
----
------
NRSA63J-123X
R7645 MG RESISTOR
NRSA63J-682X
NRSA63J-123X
R7646 MG RESISTOR
NRSA63J-392X
NRSA63J-222X
R7647 MG RESISTOR
----
------
NRSA63J-0R0X
R7648 MG RESISTOR
NRSA63J-103X
--
R7649 MG RESISTOR
----
------
NRSA63J-333X
R7650 MG RESISTOR
NRSA63J-103X
--
C7623 CAPACITOR
NCB31EK-682X
--
C7627 CAPACITOR
NCB31EK-103X
--
C7630 CAPACITOR
----
------
NCB31EK-103X
L7603
COIL
----
------
NQL38DK-220X
L7604
COIL
NQL38DK-220X
--
Notes : Mark
is same as left.
Mark -- is not used.


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