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VICTOR COMPANY OF JAPAN, LIMITED
VIDEO DIVISION
Printed in Japan
S40894
0
COMPACT VHS CAMCORDER
GR-SXM247UM/347UM
/747UM/947UM
No. 86609
February 2001
This service manual is printed on 100% recycled paper.
COPYRIGHT
© 2001 VICTOR COMPANY OF JAPAN, LTD.
Regarding service information other than these sections, refer to the GR-SXM330U, SXM930U service manual (No. 86595).
Also, be sure to note important safety precautions provided in the service manual.
Camcorder
General
Format
: S-VHS /VHS NTSC standard
Power source
: DC 11 V
(Using AC Adapter)
DC 6 V
(Using battery pack)
Power consumption
Viewfinder on
: 4.0 W
LCD monitor on
: 4.5 W
Video light
: 3.0 W
Signal system
: NTSC-type
Video recording system
Luminance
: FM recording
Color
: Converted sub-carrier
direct recording
Conforms to VHS standard
Cassette
:
/
cassette
Tape speed
SP
: 33.35 mm/sec. (1-5/16 ips)
EP
: 11.12 mm/sec. (7/16 ips)
Recording time (max.)
SP
: 40 minutes
EP
: 120 minutes (with TC-40)
Operating
temperature
:0
°C to 40°C (32°F to 104°F)
Operating humidity
: 35% to 80%
Storage temperature
: ­20
°C to 50°C
(­4
°F to 122°F)
Weight
: Approx. 910 g (2.0 lbs)
(GR-SXM747UM only)
Approx. 900 g (2.0 lbs)
(GR-SXM347UM/SXM247UM
only)
Specifications shown are for SP mode unless otherwise
indicated. E & O.E. Design and specifications subject to
change without notice.
Dimensions
: 206 mm x 112 mm x 118 mm
(W x H x D)
(8-1/8" x 4-7/16" x 4-11/16")
(with the LCD monitor closed
and with the viewfinder full
tilted downward)
Pickup
: 1/4" 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
panel/TFT active matrix
system (GR-SXM747UM only)
2.5" diagonally measured,
LCD panel/TFT active matrix
system (GR-SXM347UM/
SXM247UM only)
Speaker
: Monaural
Connectors
Video
: 1 V (p-p), 75
unbalanced,
analog output
(via Video output connector)
Audio
: 300 mV (rms), 1 k
analog
output
(via Audio output connector)
S-Video
: Y : 1 V (p-p), 75
,
analog output
C : 0.29 V (p-p), 75
,
analog output
AC Adapter AP-V10U
Power requirement
: AC 110 V to 240 V`,
50 Hz/60 Hz
Output
: DC 11 V
, 1 A
Dimensions
: 59 mm x 31 mm x 69 mm
(W x H x D)
(2-3/8" x 1-1/4" x 2-3/4")
Weight
: Approx. 130 g (0.29 lbs)
Optional Accessories
· Battery Packs BN-V12U, BN-V20U, BN-V400U
· A/V (Audio/Video) Cable
· S-Video Cable QAM0004-004
· Compact S-VHS (
) Cassettes ST-C-40/30/20
· Compact VHS (
) Cassettes TC-40/30/20
· Active Carrying Bag CB-V7U
Some accessories are not available in some areas. Please
consult your nearest JVC dealer for details on accessories
and their availability.
SPECIFICATIONS (The specifications shown pertain specifically to the model GR-SXM247, 347, 747UM)


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BODY COLOR
Silver
Silver
Silver
Metallic gray
Silver
Black
DSC
Used
Used
Not used
Not used
Not used
Not used
LCD MONITOR
3"
3"
3"
2.5"
2.5"
2.5"
PC CONNECTION CABLE
Provided
Provided
Optional
Optional
Optional
Optional
VIEW FINDER
Color
Color
Black/White
Black/White
Black/White
Black/White
ZOOM
400X
600X
600X
400X
600X
600X
TABLE OF CONTENTS
DIFFERENT TABLE ....................................................................................................................................................................1 to 3
4.
CHARTS AND DIAGRAMS
4.1
BOARD INTERCONNECTIONS ................................................................................................................................... 4-1
4.2
DSP SCHEMATIC DIAGRAM ....................................................................................................................................... 4-3
4.3
IRIS & AF/ZOOM SCHEMATIC DIAGRAM ................................................................................................................... 4-5
4.4
REGULATOR SCHEMATIC DIAGRAM ........................................................................................................................ 4-7
4.5
LCD CTL SCHEMATIC DIAGRAM (FOR SXM947) ...................................................................................................... 4-9
4.6
MAIN CIRCUIT BOARD ............................................................................................................................................... 4-11
5.
PARTS LIST
5.1
PACKING AND ACCESSORY ASSEMBLY <M1> ........................................................................................................ 5-1
5.2
FINAL ASSEMBLY <M2> .............................................................................................................................................. 5-3
5.3
ELECTRICAL PARTS LIST
MAIN BOARD ASSEMBLY <01> .................................................................................................................................. 5-6
The following table indicate main different points between models GR-SXM930U, SXM947UM, SXM747UM, SXM330U, SXM347UM
and GR-SXM247UM.
MODEL
ITEM
The following table indicate different parts number between models GR-SXM930U, SXM947UM, SXM747UM, SXM330U,
SXM347UM and GR-SXM247UM.
PACKING AND ACCESSORY ASSEMBLY <M1>
1
GR-SXM930U
GR-SXM947UM GR-SXM747UM
GR-SXM330U
GR-SXM347UM GR-SXM247UM
REF. NO.
Note:
Mark ­ is not used.
Mark
is same as left.
Mark * reference model was also changed.
1
PACKING CASE
LY32179-005A
LY32054-0B5A
LY32054-0B3A
LY32179-004A
LY32054-0B1A
LY32054-0A8A
!
5
IB(EN)
LYT0705-001A LYT0732-001A
LYT0731-001A
LYT0689-001A
LYT0731-001A
!
IB(SP)
­
LYT0732-002A
LYT0731-002A
­
LYT0731-002A
7
REGIST.CARD
BT-51020-2
­
­
BT-51020-2
­
­
14
CORE FILTER
QQR0491-002
­
­
­
­
­
15
PC CONNECTION CABLE
QAM0084-001
­­
­
­
16
REMOTE CONTROL UNIT
LY42129-001A
­
18
AAA(R03)BATTERY
Used
Used
Used
Used
Used
Not used
19
CD ROM
* LY31133-001B
LY32210-007A
­
­
­
­
20
POLY BAG
* LY30023-010A
­
­
­
­
­
22
SOFT WARE PERM.
YU30843-4
­­
­
­
!
25
IB(SOFT)(EN)/(SP)
LYT0309-001B LYT0309-006A
­
­
­
­
26
SHEET(INSTALL)
LYT0309-004A
­­
­
­
MODEL
ITEM
GR-SXM930U
GR-SXM947UM GR-SXM747UM
GR-SXM330U
GR-SXM347UM GR-SXM247UM


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2
FINAL ASSEMBLY <M2>
Note:
Mark ­ is not used.
Mark
is same as left.
Mark * reference model was also changed.
OPTICAL BLOCK SECTION
MONITOR ASSEMBLY <M5>
REF. NO.
101
LOWER CASE ASSY
LY20684-009A
LY20684-008A
LY20684-007A
102
COVER(JACK)
* LY31945-001B
LY31945-001C
* LY31945-001B
LY31945-001C
104
FRONT COVER ASSY
LY20683-015A
LY20683-020A
LY20683-005B
LY20683-020A
LY20683-019A
104K
STICKER(C)
LY32060-003A
LY32060-001A
105
CASS.COVER(M)ASSY
LY20694-002A
LY20694-004A
LY20694-002A
LY20694-001B
106
UPPER CASE(M)
LY10257-018A
LY10257-032A
LY10257-031A
LY10257-015A
LY10257-030A
LY10257-040A
109
TOP OPE UNIT
LY20614-008B
LY20614-009B
LY20614-012B
LY20614-009B
LY20614-010B
114
STICKER(D)
LY32061-004A
LY32061-005A
115
SCREW
* QYSLSF2060D,X5 QYSLSF2060D,X4
* QYSLSF2060D,X5
QYSLSF2060D,X4
121
SCREW,X3
* QYSLSF2050Z
QYSLSF2050D
* QYSLSF2050Z
QYSLSF2050D
136
SCREW/SPECIAL SCREW
* QYSLSF2060D LY42981-001A
* QYSLSF2060D
LY42981-001A
154
HOLDER(DSC P.)
LY20645-001A
­­­
­
155
SCREW
QYSLSF2060D
­­­
­
156
FPC(DSC)ASSY
LY42875-001A
­­­
­
156A
S.SHEET(DSC FPC)
LY42876-001A
­­­
­
157
INSULATER
YU40341
­­­
­
MODEL
ITEM
GR-SXM930U
GR-SXM947UM
GR-SXM747UM
GR-SXM330U
GR-SXM347UM
GR-SXM247UM
REF. NO.
257
CCD BASE ASSY
LYH40018-006A
LYH40047-001A
MODEL
ITEM
GR-SXM930U
GR-SXM947UM/747UM
GR-SXM330U
GR-SXM347UM
GR-SXM247UM
ELECTRONIC VIEWFINDER ASSEMBLY <M4>
REF. NO.
! 300
E.VF ASSY
LYH20242-001A
­­
­
303
SPACER(HOLDER)
* LY42221-001C
LY43013-001A
­­
­
! 350
E.VF ASSY
­­
LY20701-001A
MODEL
ITEM
GR-SXM930U
GR-SXM947UM
GR-SXM747UM
GR-SXM330U
GR-SXM347UM/247UM
REF. NO.
! 500
MONITOR ASSY
* LYH20217-014A LYH20217-014B LYH20217-013B
LYH20217-015A
LYH20217-022B LYH20217-025B
! 501
M.COVER ASSY
LY20679-008A
LY20679-007A
LY20679-009A
LY20679-007A
LY20679-012A
502
M.CASE(3/2.5)ASSY
LY32035-001A
LY32036-001A
504
HINGE COVER(U)
LY31939-001A
LY31939-004A
LY31939-001A
LY31939-003A
515
HOLDER(3/2.5PWB)
LY20647-001A
LY20672-001B
519
BACK LIGHT
QLL0094-001
QLL0093-001
520
LCD MODULE
QLD0118-001
QLD0176-001
MODEL
ITEM
GR-SXM930U
GR-SXM947UM
GR-SXM747UM
GR-SXM330U
GR-SXM347UM
GR-SXM247UM


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3
MAIN BOARD ASSEMBLY <01>
REF. NO.
PW
MAIN BOARD ASSY
YB10310UG-02 YB10310UW-04
YB10310UV-03
YB10310UD-01
YB10310UU-03
YB10310VE-01
MODEL
ITEM
GR-SXM930U
GR-SXM947UM
GR-SXM747UM
GR-SXM330U
GR-SXM347UM
GR-SXM247UM
C-VF BL BOARD ASSEMBLY <06>
REF. NO.
PW
C-VF BL BOARD ASSY
YB20901A
­­
­
R7562
MG RESISTOR
* NRSA63J-470X NRSA63J-360X
­
­
­
MODEL
ITEM
GR-SXM930U
GR-SXM947UM
GR-SXM747UM
GR-SXM330U
GR-SXM347UM/247UM
MONITOR BOARD ASSEMBLY <07>
REF. NO.
PW
MONITOR BOARD ASSY
*YB20900A-01
YB20900C
* YB20900B-01
YB20900D
IC7501
IC
* TC7WH34FK
­
* TC7WH34FK
­
R7511,R7512
MG RESISTOR
NRSA63J-223X
­­
R7513
MG RESISTOR
­
­
NRSA63J-103X
R7514
MG RESISTOR
NRSA63J-333X
­­
R7515
MG RESISTOR
NRSA63J-562X
NRSA63J-302X
R7519
MG RESISTOR
*
­
NRSA63J-0R0X
*
­
NRSA63J-0R0X
to R7521
C7502
CAPACITOR
* NCB31EK-103X
­
* NCB31EK-103X
­
C7510
CAPACITOR
NCB31EK-103X
­­
MODEL
ITEM
GR-SXM930U
GR-SXM947UM/747UM
GR-SXM330U
GR-SXM347UM/247UM
DSC BOARD ASSEMBLY <08>
E.VF BOARD ASSEMBLY <60>
REF. NO.
PW
DSC BOARD ASSY
YB20898B
­­
­
MODEL
ITEM
GR-SXM930U
GR-SXM947UM
GR-SXM747UM
GR-SXM330U
GR-SXM347UM/247UM
REF. NO.
PW
E.VF BOARD ASSY
­
­
LY41289-002A
GR-SXM930U
GR-SXM947UM
GR-SXM747UM
GR-SXM330U
GR-SXM347UM/247UM
MODEL
ITEM
Note:
Mark ­ is not used.
Mark
is same as left.
Mark * reference model was also changed.