JVC HR-J692US2 Service Manual

SERVICE MANUAL

VIDEO CASSETTE RECORDER

82952B20043

HR-J692US2

TIMER

CANCEL

For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY).
Regarding service information other than these sections, refer to the service manual No. 82952 (HR-J692U S).
Also, be sure to note important safety precautions provided in the service manual.

SPECIFICATION

GENERAL

Power requirement : AC 120 V ~, 60 Hz
Power consumption
Power on : 13 W
Power off : 1.5 W
Temperature
Operating : 5°C to 40°C (41°F to 104°F)
Storage : -20°C to 60°C (-4°F to 140°F)
Operating position : Horizontal only
Dimensions (W x H x D): 435 mm x 94 mm x 248 mm

Weight : 2.7 kg (5.9 lbs)
Format : VHS NTSC standard
Maximum recording time
SP : 210 min. with ST-210 video cassette
EP : 630 min. with ST-210 video cassette

VIDEO/AUDIO

Signal system : NTSC-type color signal and EIA mono­Recording/Playback

system
Signal-to-noise ratio : 45 dB
Horizontal resolution : 230 lines
Frequency range
Normal audio : 70 Hz to 10,000 Hz
Hi-Fi audio : 20 Hz to 20,000 Hz
Input/Output : RCA connectors (IN x 1, OUT x 1)

(17-3/16" x3-3/4"x9-3/4")

chrome signal, 525 lines/60 fields

: DA-4 (Double Azimuth) head helical

scan system

TUNER

Tuning system : Frequency-synthesized tuner
Channel coverage
VHF : Channels 2-13
UHF : Channels 14-69
CATV : 113Channels
RF output : Channel 3, 4 or - (off)

(preset to Channel 3 when shipped)
75 ohms, unbalanced

TIMER

Clock reference : Quartz
Program capacity : 1-year programmable timer/8 programs

ACCESSORIES

Provided accessories : RF cable (F-type)

Infrared remote control unit
Lithium battery -CR2032

Specifications shown are for SP mode unless specified other­wise. E. & O.E. Design and specifications subject to change with­out notice.

COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED

HR-J692US2 V16D1

No.82952B

2004/3

TABLE OF CONTENTS

CHARTS AND DIAGRAMS

BOARD INTERCONNECTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3

MAIN (VIDEO/N.AUDIO) SCHEMATIC DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5

MAIN (TERMINAL) SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-7

REMOTE CONTROLLER SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8

FDP GRID ASSIGNMENT AND ANODE CONNECTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8

MAIN (FMA/DEMOD) SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-9

MAIN (SYSCON) SCHEMATIC DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-11

MAIN (SW.REG) SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-13

MAIN (TUNER) SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-15

MAIN (FRONT) SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-17

MAIN CIRCUIT BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-19

COMPONENT PARTS LOCATION GUIDE <MAIN> LPB10226-001A. . . . . . . . . . . . . . . . . . . . . . . .2-21

VOLTAGE CHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-23

CPU PIN FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-22

VIDEO BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-23

AUDIO BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-25

SYSTEM CONTROL BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-26

PARTS LIST

MAIN BOARD ASSEMBLY <03> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

HOW TO IDENTIFY MODELS

How to recognize from the appearance of the model concerned is written below.
Please distinguish from several contents currently printed on the rating label of the rear panel.

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