JVC GR-AXM225, GR-AXM225U Service Manual

COMPACT VHS CAMCORDER

AC Power Adapter/Charger AA-V16U

Power requirement

U.S.A. and Canada : AC 120 V`, 60 Hz Other countries : AC 110 V to 240 V`,

50 Hz/60 Hz

Power consumption : 23 W Output

Charge : DC 8.5 V

, 1.3 A

VTR : DC 6.3 V

, 1.8 A

Charging system : Constant current, peak detection, timer controlled Dimensions (W x H x D) : 125 mm x 42 mm x 68 mm (4-15/16" x 1-11/16" x 2-11/16") Weight : Approx. 270 g (0.6 lbs)

Cassette Adapter C-P7U

Dimensions (W x H x D) : 188 mm x 25 mm x 104 mm (7-7/16" x 1" x 4-1/8") Weight : Approx. 240 g (0.53 lbs) Accessory : “AA (R6)”-size battery x 1

Optional Accessories

• Battery Packs BN-V12U, BN-V20U, BN-V856U

• Car Battery Charger BH-V3U

• Battery Charger BH-VC10U

• Audio/Video Cable

• Car Battery Cord AP-V7U

• Compact VHS (

) Cassettes TC-40/30/20

• Active Carrying Bag CB-V7U

Camcorder

General

Format : VHS NTSC standard Power source : DC 6.0 V Power consumption

LCD monitor off, viewfinder on : 4.2 W LCD monitor on, viewfinder off : 4.6 W LCD monitor on, viewfinder on : 5.2 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. 880 g (2.0 lbs) Dimensions (W x H x D) : 198 mm x 119 mm x 99 mm (7-13/16" x 4-11/16" x 3-15/16")

(with the LCD monitor closed and with the viewfinder fully tilted downward)

Pickup : 1/4" format CCD Lens : F1.6, f = 3.9 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 : 2.5" diagonally measured, LCD panel/TFT active matrix

system

Speaker : Monaural

Connectors

JLIP : ø3.5 mm, 4-pole, mini-head jack

(compatible with RC-5325 plug)

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.

Video :1 V (p-p), 75 Ω unbalanced, analog output

(via Video output connector)

Audio : 300 mV (rms), 1 kΩ analog output

(via Audio output connector)

GR-AXM225U

Regarding service information other than these sections, refer to the GR-AXM220U service manual (No. 86526). Also, be sure to note important safety precautions provided in the service manual.

SPECIFICATIONS

This service manual is made from all recycled paper.

No. 86545

January 2000

TABLE OF CONTENTS

DIFFERENT TABLE ................................................................................................................................................................ 1 to 2

4. CHARTS AND DIAGRAMS

4.1 BOARD INTERCONNECTIONS ................................................................................................................................ 4-1

4.2 CPU SCHEMATIC DIAGRAM.................................................................................................................................... 4-3

4.3 JACK SCHEMATIC DIAGRAM .................................................................................................................................. 4-5

4.4 VTR DSP SCHEMATIC DIAGRAM............................................................................................................................ 4-6

4.5 REGULATOR SCHEMATIC DIAGRAM ..................................................................................................................... 4-8

4.6 MAIN CIRCUIT BOARD ........................................................................................................................................... 4-10

5. PARTS LIST

5.1 FINAL ASSEMBLY <M2> ........................................................................................................................................... 5-1

The following table indicate main different points between models GR-AXM220U, AXM220UC, AXM225U and GR-AXM225UC.

ITEM

DC LIGHT Not used

Note: Mark is same as left.

The following table indicate different parts number between models GR-AXM220U, AXM220UC, AXM225U and GR-AXM225UC.

PACKING ASSEMBLY<M1>

REF NO.

! 5 IB(EN) LYT0478-001A LYT0538-001A

! 14 IB (FR) – LYT0478-002A – LYT0547-001A

ITEM

2 PACKING CASE LY31561-007A LY31561-008A LY31561-031A LY31561-038A

7 REGIST. CARD BT-51020-2 – BT-51020-2 –

13 WARRANTY CARD – BT-52004-1 – BT-52004-1

15 SER. NET CARD – BT-20071B – BT-20071B

MODEL

GR-AXM220U GR-AXM220UC GR-AXM225U GR-AXM225UC

Used

GR-AXM220U GR-AXM220UC GR-AXM225U GR-AXM225UC

Note: Mark – is not used. Mark

is same as left.

FINAL ASSEMBLY <M2>

REF NO.

! 101 LOWER CASE ASSY LY10122-033A LY10122-047A

106 FRONT COVER ASSY LY10124-041A LY10124-059A

106R COVER (LIGHT) LY30934-001A ––

110 TOP COVER LY10129-074A LY10129-0A1A

116 DC LIGHT ASSY ––LY30860-001B

116A LAMP ––YQ44266

! 137 FRAME ASSY LY20372-002B LY20372-004A

137F CONTACT (LIGHT), X2 ––YQ43810

137G E-SI C WIRE C-F ––WJM0118-001A

146 KNOB (LIGHT) ––LY41083-001B

MAIN BOARD ASSEMBLY <01>

REF NO.

PW MAIN BOARD ASSY YB10271UL-02 YB10271UM-03

IC3004 IC ––TC74VHC74FT

Q3005 TRANSISTOR ––DTA144EE

Q6201 TRANSISTOR ––2SA1774/QR/-X

Q6202 TRANSISTOR ––2SD1628/FG/-X

Q6203 TRANSISTOR ––2SC4617/QR/-X

D3002 DIODE ––DAN222

R3033 MG RESISTOR ––NRSA63J-103X

R3035 MG RESISTOR ––NRSA63J-103X

R6201 MG RESISTOR ––NRSA63J-103X

R6202 MG RESISTOR ––NRSA63J-100X

R6203 MG RESISTOR ––NRSA63J-103X

R6205 MG RESISTOR ––NRSA63J-184X

R6206 MG RESISTOR ––NRSA63J-102X

C6201 E CAPACITOR ––NEA71CM-106X

SW503 SLIDE SWITCH ––NSW0092-001X

CN14 CONNECTOR ––QGA1201C2-02X

ITEM

MODEL

GR-AXM220U GR-AXM220UC GR-AXM225U GR-AXM225UC

Note: Mark – is not used. Mark

is same as left.

4.1 BOARD INTERCONNECTIONS

SECTION 4

CHARTS AND DIAGRAMS

4-1

ABCD

Note: How to find the page showing the continuative schematic diagram

Example)

TO CPU (Page 4-5): TO CPU (Page 4-3):

Refer to the GR-AXM220U service manaul (No. 86526)

Refer to this service manual

EFG

4-2

4.2 CPU SCHEMATIC DIAGRAM

4-3

ABCD

Note: How to find the page showing the continuative schematic diagram

Example)

TO CPU (Page 4-5): TO CPU (Page 4-3):

Refer to the GR-AXM220U service manaul (No. 86526)

Refer to this service manual

EFG

4-4

+ 16 hidden pages