JVC GR-AXM241U, GR-SXM745U Service Manual
SERVICE MANUAL
COMPACT VHS CAMCORDER
GR-AXM241U,SXM745U
Regarding service information other than these sections, refer to the GR-SXM740U service manual (No. 86656).
Also, be sure to note important safety precautions provided in the service manual.
SPECIFICATIONS
General
Format : S-VHS/VHS NTSC standard
Power source : DC 11 V (Using AC Adapter)
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
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
Operating temperature
Operating humidity : 35% to 80%
Storage temperature
Weight : Approx. 930 g (2.1 lbs)
Dimensions : 200 mm x 112 mm x 118 mm (7-7/8" x 4-7/16" x 4-11/16")
(W x H x D) (with the LCD monitor closed and with the viewfinder fully
Pickup : 1/4" format CCD
Lens : F1.6, f = 3.9 mm to 62.4 mm,
Viewfinder : Electronic viewfinder with 0.5" black/white CRT
White balance
adjustment : Auto/Manual adjustment
LCD monitor : 3.5" diagonally measured, LCD panel/TFT active matrix
Speaker : Monaural
DC 6 V (Using battery pack)
Conforms to VHS standard
(with TC-40 cassette)
: 0°C to 40°C (32°F to 104°F)
: –20°C to 50°C (– 4°F to 122°F)
tilted downward)
16:1 power zoom lens with auto iris and macro control, filter
diameter 40.5 mm
system
(The specifications shown pertain specifically to the model GR-SXM745U)
Camcorder
Connectors
Video : 1 V (p-p), 75 Ω unbalanced, analog output (via Video
Audio : 300 mV (rms), 1 kΩ analog output
Digital : ø3.5 mm, 4-pole, mini-head jack
S-Video : Y : 1 V (p-p), 75 Ω, analog output
Power requirement
U.S.A. and Canada : AC 120 V`, 60 Hz
Other countries : AC 110 V to 240 V`, 50 Hz/60 Hz
Output : DC 11 V , 1 A
Optional Accessories
• Battery Packs BN-V12U, BN-V20U, BN-V400U
• A/V (Audio/Video) Cable
• Compact S-VHS (
ST-C-40/30/20
• Compact VHS (
• 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 shown are for SP mode unless otherwise indicated.
E & O.E. Design and specifications subject to change without notice.
output connector)
(via Audio output connector)
C : 0.29 V (p-p), 75 Ω, analog output
AC Adapter
) Cassettes
) Cassettes TC-40/30/20
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
No. 86673
February 2002
TABLE OF CONTENTS
DIFFERENT TABLE .................................................................................................................................................................................... 1 to 2
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> ............................................................................................................................................................... 5-6
The following table indicate main different points between models GR-SXM740U ,GR-AXM241U and GR-SXM745UC.
ITEM
LCD MONITOR 3.5” 2.5” 3.5”
BODY COLOR SILVER MOLD BLACK SILVER
DIGITAL TERMINAL Used Not Used Used
REMOTE CONTROL UNIT Not Used RM-V715U
MODEL
The following table indicate different parts number between models GR-SXM740U, GR-AXM241U and GR-SXM745UC.
PACKING AND ACCESSORY ASSEMBLY <M1> Note: As for IB (INSTRUCTIONS), refer to sec.5.
REF.
!
No.
1 PACKING CASE LY32545-006B LY32545-003A *LY32545-001B
6 REGIST.CARD BT-51028-1 —
7 WARRANTY INF. BT-51005-5 —
9 SHEET(AGREMENT) LYT0934-001A — LYT0934-001A
17 WARRANTY CARD — — BT-52004-2
18 SER.NET CARD — — BT-20071B
19 REMOTE CONTROL UNIT — — LY42129-001A
20 BATTERY,X2 — — AAA(R03)
32 PC CONNECTION CABLE QAM0384-001 — QAM0384-001
33 CORE FILTER QQR1266-001 — QQR1266-001
34 CD ROM ASSY LY32210-020B — LY32210-020B
36 SHEET(ATT.) LYT0974-001A — LYT0974-001A
ITEM
MODEL
GR-SXM740U GR-AXM241U GR-SXM745UC
GR-SXM740U GR-AXM241U GR-SXM745UC
FINAL ASSEMBLY <M2>
REF.
!
No.
101 CASSETTE COVER(M) ASSY LY20815-001A LY20694-010A *LY20815-001B
103 UPPER CASE(M) LY10257-056A LY10257-071A LY10257-070A
110 LOWER CASE ASSY LY20684-023A LY20684-005A LY20684-023A
125 TOP OPE UNIT LY20614-009C LY20614-010C LY20614-009C
130 REAR UNIT LY20764-010A LY20615-005E LY20764-010A
135 FRONT COVER ASSY LY20683-035A LY20683-034A LY20683-035A
135G STICKER(A) LY32058-003A LY32058-002A LY32058-003A
135H STICKER(C) LY32060-003A LY32060-005A LY32060-003A
139 TAP SCREW — *QYSPSTU1725M *
142 SCREW QYSPSPU1720Z(,X2) *QYSPSPU1720Z(,X1) *
ITEM
MODEL
GR-SXM740U GR-AXM241U GR-SXM745UC
MECHANISM ASSEMBLY <M3>
REF.
!
No.
400 MECHA(B)ASSY YMA0034A-E YMA0033A-E YMA0034A-E
406 CASSETTE GUIDE ASSY(RIGHT) YQ44339A-7 — YQ44339A-7
406A SW.LEVER(RIGHT) YQ32162-1-3 — YQ32162-1-3
406B TORSION SPRING YQ44340-1-4 — YQ44340-1-4
407 SCREW LY42819-001A — LY42819-001A
466 ROTARY ENCODER QSW0888-002 QSW0888-001 QSW0888-002
ITEM
MODEL
GR-SXM740U GR-AXM241U GR-SXM745UC
MONITOR ASSEMBLY <M5>
REF.
!
No.
! 500 MONITOR ASSY LY20836-007A LY20836-006A LY20836-007A
! 501 MONITOR COVER ASSY LY20816-001A LY20834-005A *LY20816-001B
501A PLATE(WINDOW) LY32329-002A LY32329-001A LY32329-002A
501B STICKER(B) LY32554-003A LY32554-004A LY32554-003A
501C SPACER(A) — LY30029-0R3A *LY30029-0W5A
501D STICKER(A) — LY30029-0R4A —
502 MONITOR CASE ASSY LY32544-001A LY32036-001B *LY32544-001B
504 SHIELD CASE LY32334-001A LY32330-001A LY32334-001A
505 HINGE COVER(UPPER) LY31939-001A LY31939-003A LY31939-001A
518 LCD MODULE QLD0212-001 QLD0176-001 QLD0212-001
519 LIGHT SCREEN — LY43392-001A —
520 LAMP — QLL0110-001 —
521 HOLDER,X2 — LY43393-001A —
522 SHEET(REFLECT) — LY43396-001A —
523 DIFFUSION SHEET(2.5) — LY43362-001A —
527 SPACER(A) LY30029-0R6A — LY30029-0R6A
528 LCD FRAME(3.5) LY32335-001A — LY32335-001A
529 SPACER(A),X2 LY30029-0R5A — LY30029-0R5A
530 BACK LIGHT QLL0113-001 — QLL0113-001
ITEM
MODEL
GR-SXM740U GR-AXM241U GR-SXM745UC
Notes : Mark is same as left.
Mark — is not used.
1
Mark * reference model was also changed.
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