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COPYRIGHT

 

©

 

1999 VICTOR COMPANY OF JAPAN, LTD.

No. 86447

January 1999

GR-AX640U/AX840U

SPECIFICATIONS 

( The specifications shown pertain specifically to the model GR-AX840U)

Regarding service information other than these sections, refer to the GR-AX940U service manual (No. 86446).
Also, be sure to note important safety precautions provided in the service manual.

Camcorder

General

Format

: VHS NTSC standard

Power source

: DC 6.0 V

Power consumption

: 5.4 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. 710 g (1.6 lbs)

Dimensions

: 91 (W) x 119 (H) x 198 (D) mm

(3-8/5" x 4-11/16" x 7-13/16")
(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 0.55” color LCD

White balance

adjustment

: Auto/Manual adjustment

Provided Accessories

Z

 

pg. 6

Optional Accessories

• Battery Packs BN-V12U, BN-V20U, BN-V856U
• Car Battery Charger BH-V3U
• Battery Charger BH-VC10U
• Car Battery Cord AP-V7U
• Compact VHS-C Cassettes TC-40/30/20
• Active Carrying Bag CB-V7U
• Audio/Video Cable
• JLIP-to-PC Cable VC-VJ49WU
• JLIP Video Producer
• Brush Kit

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.

Connectors

JLIP

: ø3.5 mm, 4-pole, mini-head

jack
(compatible with RC-5325 plug)

Video

: 1 Vp-p, 75 

 unbalanced,

analog output
(via Video output connector)

Audio

: –8 dBs, 1 k

 analog output

(via Audio output connector)

AC Power Adapter/Charger AA-V15U

Power requirement

U.S.A. and Canada

: AC 120 V

`

, 60 Hz

Other countries

: AC 110 V to 240 V

`

, 50/60

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

: 140 (W) x 42 (H) x 68 (D) mm

(5-9/16” x 1-11/16” x 2-11/16”)

Weight

: Approx. 300 g (0.71 lbs)

Cassette Adapter C-P7U

Dimensions

: 188 (W) x 25 (H) x 104 (D) mm

(7-7/16” x 1” x 4-1/8”)

Weight

: Approx. 240 g (0.53 lbs)

Accessory

: “AA (R6)”-size battery x 1

COMPACT VHS CAMCORDER

Summary of Contents for GR-AX640U

Page 1: ... color LCD White balance adjustment Auto Manual adjustment Provided Accessories Z pg 6 Optional Accessories Battery Packs BN V12U BN V20U BN V856U Car Battery Charger BH V3U Battery Charger BH VC10U Car Battery Cord AP V7U Compact VHS C Cassettes TC 40 30 20 Active Carrying Bag CB V7U Audio Video Cable JLIP to PC Cable VC VJ49WU JLIP Video Producer Brush Kit Some accessories are not available in s...

Page 2: ... SCHEMATIC DIAGRAM 4 19 4 11 LCD CTL SCHEMATIC DIAGRAM 4 22 4 12 MAIN CIRCUIT BOARD 4 23 4 17 POWER SYSTEM BLOCK DIAGRAM 4 37 4 23 ELECTRONIC VIEWFINDER SCHEMATIC DIAGRAM For AX640U UC 4 55 4 24 ELECTRONIC VIEWFINDER CIRCUIT BOARD For AX640U UC 4 57 5 PARTS LIST 5 6 ELECTRONIC VIEWFINDER ASSEMBLY M4 GR AX640U UC 5 19 5 5 ELECTRICAL PARTS LIST E VF BOARD ASSEMBLY GR AX640U UC 60 5 18 VIEW FINDER Co...

Page 3: ...107 CASSETTE COVER ASSY LY10126 002A LY10126 001A 108 BUTTON PUSH ASSY LY30899 002B LY30899 002B LY30899 001B 110 TOP COVER LY10129 016B LY10129 009B LY10129 015B 116 DC LIGHT ASSY LY30860 001A 116A LAMP YQ44266 137 FRAME ASSY LY20372 001A LY20372 002A 137F CONTACT LIGHT X2 YQ43810 137G E SI C WIRE C F WJM0003 003A 146 KNOB LIGHT LY41083 001B GR AX940U GR AX940UC GR AX840U GR AX840UC GR AX640U GR ...

Page 4: ...X R3132 MG RESISTOR NRSA63J 222X R3134 MG RESISTOR NRSA63J 222X R6201 MG RESISTOR NRSA63J 103X R6202 MG RESISTOR NRSA63J 103X R6203 MG RESISTOR NRSA63J 103X R6204 MG RESISTOR NRSA63J 103X R6205 MG RESISTOR NRSA63J 100X R6206 MG RESISTOR NRSA63J 102X R7102 MG RESISTOR NRSA63J 0R0X R7103 MG RESISTOR NRSA63J 563X R7106 MG RESISTOR NRSA63J 0R0X R7107 MG RESISTOR NRSA63J 101X R7108 CMF RESISTOR NRVA63D...

Page 5: ...103 COIL NQL144K 100X SW503 SLIDE SWITCH NSW0092 001X CN11 FPC CONNECTOR QGF0507F1 20X CN12 CONNECTOR QGA1201F2 05X CN14 CONNECTOR QGA1201C2 02X F6004 MG RESISTOR FUSE NRSA02J 0R0X NMFZ006 R50X K F7101 FUSE NMFZ006 R20X K BL BOARD ASSEMBLY 06 PW2 BL BOARD ASSY YB20838B2 01 GR AX940U GR AX940UC GR AX840U GR AX840UC GR AX640U GR AX640UC MODEL ITEM REF No VF BOARD ASSEMBLY 10 PW1 VF BOARD ASSY YB2083...

Page 6: ...ully handle them in disconnecting and connecting 3 Shortcircuit between operation un it and DECK chassis 2 Required test equipment 1 Color TV monitor 2 AC power adapter 3 Oscilloscope dual trace type observable 100 MHz or higher frequency It is recommended to use one observable 300 MHz or higher frequency 4 Digital voltmeter 5 Frequency counter with threshold level adjuster 6 Personal computer 3 R...

Page 7: ...nt E VF Measurement point E VF screen Adjusting part Centering magnet CRT assy Specification The center of the E VF screen 1 Whileobservingtheviewfinderscreen adjustthecentering magnet to locate the stairstep in the center of the view finder screen Subject Camera picture Mode EE Equipment E VF Measurement point E VF screen Adjusting part VR7001 V SIZE Specification Normal picture amplitude 3 2 3 V...

Page 8: ...SECTION 4 CHARTS AND DIAGRAMS 4 1 BOARD INTERCONNECTIONS 4 3 1 2 3 4 5 A B C D ...

Page 9: ...4 4 E F G H ...

Page 10: ...4 5 4 2 CPU SCHEMATIC DIAGRAM 5 1 2 3 4 A B C D ...

Page 11: ...4 6 E F G H ...

Page 12: ...4 11 4 6 Y C AUDIO SCHEMATIC DIAGRAM 1 2 3 4 5 A B C D ...

Page 13: ...4 12 E F G H ...

Page 14: ...4 19 4 10 REGULATOR SCHEMATIC DIAGRAM 1 2 3 4 A B C D ...

Page 15: ...4 20 E F G H ...

Page 16: ...4 22 4 11 LCD CTL SCHEMATIC DIAGRAM 1 2 3 4 A B C D ...

Page 17: ...E F G H ...

Page 18: ...4 23 4 12 MAIN CIRCUIT BOARD FOIL SIDE B ...

Page 19: ...CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH SAME TYPE AND RATED FUSE ATTENTION POUR UNE PROTECTION PERMANENTE CONTRE LES RISQUE D INCENDE REMPLACER LE FUSIBLE PAR UN AUTRE DE MEME TYPE ET DE MEME TENSION ...

Page 20: ...C 1C C4205 A C 1C C4206 A C 1C C4207 A C 1C C4208 B C 2D C4209 B C 1C C4210 B C 2D C4211 A C 1D C4212 B C 1D C4213 A C 1C C4214 B C 2D C4215 B C 2D C4301 B C 2C C4501 B C 2D C4502 B C 3E C4503 A C 2D C4504 B C 2D C4505 B C 3E C4506 B C 3E C4507 B C 3E C4508 B C 3E C4509 B C 3E C4510 B C 3D C4511 B C 3E C4512 B C 2D C5201 B C 2D C5202 B C 2C C5203 B C 3C C5204 B C 3C C5205 B C 3C C5206 B C 3D C5207...

Page 21: ...1A R3123 A C 7A R3125 A C 7B R3126 A C 7B R3127 A C 7B R3128 A C 7B R3129 A C 1A R3130 A C 1A R3132 A C 7B R3133 B C 5B R3134 A C 7B R3136 B C 7B R3137 A C 1A R3138 A C 2A R3139 B C 6B R3140 B C 6B R3141 A C 7A R3201 B C 8A R3202 B C 8A R3203 B C 7A R3204 B C 7A R3205 B C 7B R3206 B C 8A R3207 B C 7A R3208 B C 8A R3209 B C 8A R3210 B C 8A R3211 B C 7A R3212 B C 8A R3213 A C 8A R3214 A C 8A R3215 A...

Page 22: ...4 27 COMPONENT SIDE A ...

Page 23: ...4 28 ...

Page 24: ...4 37 1 2 3 4 A B C D 4 17 POWER SYSTEM BLOCK DIAGRAM ...

Page 25: ...4 38 E F G H ...

Page 26: ...4 55 1 2 3 4 A B C D 4 23 ELECTRONIC VIEWFINDER SCHEMATIC DIAGRAM For AX640U UC ...

Page 27: ...4 56 E F G H ...

Page 28: ...T BOARD For AX640U UC FOIL SIDE B R7030 R7008 R7029 R7011 R7022 R7018 C7014 R7026 R7012 C7008 C7010 D7001 R7017 Q7002 VR7001 R7015 R7002 C7011 R7010 R7020 R7016 R7021 R7024 R7023 Q7003 R7025 Q7001 R7019 C7013 VR7002 C7005 IC7001 R7006 R7005 ...

Page 29: ...10V T7001 QQH0011 001 C7009 C7015 150P 1000V 100 10V C7016 C7001 0 1 L7003 R7009 10K C7007 3216 C7006 CN7002 5 1 B5B ZR 0 015 1 68u 330P 500V C7002 220 10V HK G1 L7001 PELN1175 G3 100u L7002 G2 H VR7003 5 5M R7003 R7031 R7007 33 R7013 1K R7014 4 7K COMPONENT SIDE A ...

Page 30: ...0 375 377 374 SERIAL NO LABEL a a 372 371 373 381 379 380 374 QYSPSGU1760M SCREW X2 375 LY41280 001A SHEET SHIELD 377 PTY20374 011 BOTTOM CASE ASSY 379 PTY20374 201 LENS ASSY 380 LY20411 001A EYE CAP 381 LY20374 001A EVF ASSY ELECTRONIC VIEWFINDER ASSEMBLY M4 371 PEDP0193 CRT 372 QQD0026 001 DEFLECTION YOKE 373 LY10165 001A TOP CASE CASE L REF No PART No PART NAME DESCRIPTION REF No PART No PART N...

Page 31: ...5X MG RESISTOR 1MΩ 1 10W R7025 NRSA02J 275X MG RESISTOR 2 7MΩ 1 10W R7026 NRSA02J 275X MG RESISTOR 2 7MΩ 1 10W R7029 NRSA02J 102X MG RESISTOR 1kΩ 1 10W R7030 NRSA02J 102X MG RESISTOR 1kΩ 1 10W VR7001 NVP0001 221X TRIM RESISTOR V SIZE VR7002 NVP0001 225X TRIM RESISTOR BRIGHT VR7003 PERE0595 565 V RESISTOR FOCUS C7001 QFV21HJ 104AZ F CAPACITOR 0 1µF 50V C7002 QEDP1AM 227 E CAPACITOR 220µF 10V C7003 ...

Page 32: ...terprise Street Aurora Illinois 60504 8149 5665 Corporate Avenue Cypress California 90630 1500 Lakes Parkway Lawrenceville Georgia 30243 2969 Mapunapuna Place Honolulu Hawaii 96819 973 315 5000 973 808 9279 630 851 7855 714 229 8011 770 339 2522 808 833 5828 JVC CANADA INC Head office Vancouver 21 Finchdene Square Scarborough Ontario M1X 1A7 13040 Worster Court Richmond B C V6V 2B3 416 293 1311 60...

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