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SERVICE MANUAL
VIDEOCASSETE
No. 82809
September 2000
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2000 VICTOR COMPANY OF JAPAN, LTD.
HR-J486EN/J486M/J683M
Regarding service information other than these sections, refer to the HR-J686M service manual (No. 82785).
Also, be sure to note important safety precautions provided in the service manual.
ESPECIFICAÇÕES (The specifications shown pertain specifically to the model HR-J683M/J486M)
M-PAL NTSC
NTSC/M-PAL
CH
POWER
REC
PAUSE
STOP/EJECT
PLAY
FF
REW
SP
EP
VCR
+
¢
­
4
VIDEO (MONO)L--AUDIO--R
MENU
/OK
PROG.
CHECK
PROG.
TV operation ­ Press and hold
TV button, then press POWER,
TV CH +/­, VOL +/­, TV/VCR
POWER
TV
12
3
45
0AUX
6
78DAILY 9WEEKLY
DISPLAY
TV/VCR
CANCEL
START
REW
FF
PLAY
REC
MENU
OK
STOP
TV CH +
TV CH ­
TV
+ VOL
TV
VOL ­
PAUSE
STOP
DATE
CH
C.RESET
OSD
ENTER
TIMER
1
2
4
3
PUSH JOG
PUSH JOG
PUSH JOG
GERAL
Requisitos de Alimentação
: AC 110 V ­ 220 V` , 50 Hz/ 60 Hz
Consumo de energia
Sim
: HR-J683M 19 W
HR-J486M 17 W
Não
: 2.5 W
Temperatura
Em funcionamento
: 5°C to 40°C (41°F to 104°F)
Armazenagem
: ­20°C to 60°C (­4°F to140°F)
Posição de Funcionamento : Apenas na horizental
Dimensões (C x A x P)
: 360 mm x 94 mm x 278 mm
Peso
: 3.3 kg
Formato
: VHS standard
Tempo máximo de gravação
SP
: 210 min. com cassete de vídeo ST-210
EP
: 630 min. com cassete de vídeo ST-210
VÍDEO/AUDIO
Sistema de sinal
: PAL-M- sinal de tipo cor e sinal monocromo
EIA, 525 linhas/60 campos, NTSC-sinal tipo
cor e sinal monocromo EIA, 525 linhas/60
campos (apenas para leitura)
Sistema de Gravação/
Leitura
: Cabeça DA-4 (Azimute duplo), sistema de
scan helicoidal
Racio de sinal-barulho
: 45 dB
Resolução horizental
: 230 linhas
Amplitude de frequência
Audio normal
: 70 Hz a 10,000 Hz
Audio Hi-Fi
(Apenas HR-J683M) : 20 Hz a 20,000 Hz
Entrada/Saída
: Ligações RCA (ENTRADA x 1, SAÍDA x 1)
SINTONIZADOR
Sistema de sintonizador
: Frequência­sintonizador sintetizado
Alcançe dos canais
VHF
: Canais 2­13
UHF
: Canais 14­69
CATV
: 113 Canais
Saída RF
: Canal 3 ou 4 (alterável; pré-ajustado
na fábrica para canal 3) 75
Não equilibrado
TEMPORIZADOR
Referência de relógio
: Quartz
Capacidade de Programa : 1 ano de temporizador
programável/8 programas
Reserva de tempo de
: Aprox. 6 meses.
Memória
Figura estimadas, baseada no
fornecimento de uma pilha nova; o
funcionamento concreto pode
variar.
ACESSÓRIOS
Acessórios fornecidos
: Cabo RF,
Unidade de controle remoto de
raios infravermelhos,
Pilha de lítio CR2025,
Pilha de tamanho "AA" x 2,
Adaptador*
*
Não fornecido em certas áreas
As especificações explicadas referem-se ao modo SP excepto especificado em
contrário.
O design E & O.E e especificações estão sujeitas a alteração sem aviso prévio.

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TABLE OF CONTENTS
DIFFERENT TABLE (1 to 2) ..................................................................................................................................................... 1
4. CHARTS AND DIAGRAMS (4-1 to 4-12)
4.1
MAIN, A/C HEAD, MINI FRONT AND LOADING MOTOR CIRCUIT BOARDS[HR-J683M] ........................................ 4-2
4.2
MAIN, A/C HEAD, MINI FRONT AND LOADING MOTOR CIRCUIT BOARDS[HR-J486EN/J486M] ........................... 4-4
4.3
REMOTE CONTROL SCHEMATIC DIAGRAM[HR-J486M/J683M] ............................................................................. 4-7
4.4
VIDEO/AUDIO SCHEMATIC DIAGRAM[HR-J486EN/J486M] ..................................................................................... 4-8
4.5
SWITCHING REGULATOR SCHEMATIC DIAGRAM ................................................................................................ 4-10
5. PARTS LIST (5-1 to 5-5)
MAIN BOARD ASSEMBLY<03>[HR-J486EN/J486M] ..................................................................................................... 5-1
The following table indicate main different points between models HR-J686M,HR-J486EN,HR-J486M and HR-J683M.
1
MODEL
HR-J686M
HR-J683M
HR-J486M
HR-J486EN
ITEM
JOG/SHUTTLE DIAL ON DECK
USED
USED
USED
NOT USED
VIDEO SYSTEM
PAL­M/NTSC
PAL­N/NTSC
NTSC
PAL­M PB
AUDIO
HiFi AUDIO
NORMAL AUDIO
TV MULTI BRAND REMOCON
C.BOX/DBS
NOT USED
NOT USED
C.BOX/DBS
FRONT PANEL COLER
CHMPAGNE GOLD
SILVER
LIGHT SILVER
The following tables indicate different parts number between models HR-J686M,HR-J486EN,HR-J486M and HR-J683M.
!
REF.
MODEL
HR-J686M
HR-J683M
HR-J486M
HR-J486EN
NO.
ITEM
301
PACKING CASE
LP30658-018A
LP30670-016A
LP30670-014A
LP30670-018A
302
CUSHION ASSY
LP30718-001A
LP30671-001C
LP30671-001C
LP30671-001C
303
POLY BAG
PQM30021-93
PQM30021-92
306
REMOTE CONTROLLER
LP20878-007B
LP20034-017A
(**)LP20303-016B
306A
COVER(BATTERY)
LP40610-002A
LP40033-001A
LP40225-001A
! 310
INST BOOK(PT)
LPT0375-001A
LPT0374-001A
--
!
INST BOOK(SP)
----
--
LPT0377-001A
312
RF CABLE
PEAC0446-120
LPA0294-04
313
MATCHING TRANSFORMER
PU35613-2
--
PU35613-2
--
316
WARRANTY CARD
BT-53003-1
--
317
S.CENTER LIST
BT-53002-1
--
PACKING AND ACCESSORY ASSEMBLY <M1>
Notes : Mark -- is not used.
Mark
is same as left.
!
REF.
MODEL
HR-J686M
HR-J683M
HR-J486M
HR-J486EN
NO.
ITEM
! 501
FRONT PANEL ASSY
LP10289-033C
LP10293-012C
LP10293-011B
LP10293-014A
501A
CASSETTE DOOR
LP20868-007A
LP20868-006A
501C
DISPLAY WINDOW
LP20869-043A
LP20869-045A
LP20869-044A
LP20869-048A
502
TOP COVER
LP10013-027C
PQ11898-38-18
505
DRUM SUB ASSY
LP20617-001A
LP20617-003A
LP20617-004A
505A
UPPER DRUM ASSY
LP20616-001A
LP20084-002A
LP20084-006A
! 511
BOTTOM CHASSIS
LP10108-009C
LP20262-006E
512
BOTTOM COVER
LP10014-001B
PQ11899-1-4
! 523
POWER CODE
QMP73K0-170
QMPR130-170-JC
528
POLY BAG(POWER PLUG)
----
--
PM30137
CABINET AND CHASSIS ASSEMBLY<M2>
(**) Remote controller of the HR-J486EN is different from that of the HR-J686M but it is the same as that of the HR-J686EN.
For the Schematic diagram, please refer to the HR-J686EN.

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!
REF.
MODEL
HR-J686M
HR-J683M
HR-J486M
HR-J486EN
NO.
ITEM
MAIN BOARD ASSEMBLY <03>
PW1
MAIN BOARD ASSY
LPA10088-14D1
LPA10088-37C1
LPA10088-15E1
LPA10088-19D1
D5301
ZENER DIODE
*MTZJ15A
MTZJ15C
***
***
R3226
MG RESISTOR
*NRSA02J-103X
NRSA02J-472X
***
***
R3227
MG RESISTOR
*NRSA02J-103X
NRSA02J-472X
***
***
R5306
MG RESISTOR
*NRSA02J-563X
NRSA02J-393X
***
***
R5333
QMF RESISTOR
*
--
QRL02DJ-391X
***
***
R5334
QMF RESISTOR
*
--
QRL02DJ-391X
***
***
C5304
FCAPACITOR
*QFLC1HJ-563Z
QFVF1HJ-124Z
***
***
!
REF.
MODEL
HR-J686M
HR-J683M
HR-J486M
HR-J486EN
NO.
ITEM
MINI FRONT BOARD ASSEMBLY <28>
PW6
MINI FRONT BOARD ASSY
LPA10088-02C6
LPA10088-01C6
LPA10088-02C6
Notes : Mark -- is not used.
Mark
is same as left.
Mark * reference model was also charged.
Mark *** is indicated on the parts list.
2

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Printed in Japan
VICTOR COMPANY OF JAPAN, LIMITED
VIDEO DIVISION
S40894