SERVICE MANUAL
VIDEO CASSETTE RECORDER
No. 82819
August 2000
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2000 VICTOR COMPANY OF JAPAN, LTD.
HR-J275EA/J275EE/J277MS/J371EM/J377EM
Regarding service information other than these sections, refer to the HR-J271MS/J677MS service manual (No. 82811).
Also, be sure to note important safety precautions provided in the service manual.
SPECIFICATIONS (The specifications shown pertain specifically to the model HR-J377EM/J371EM)
PAL NTSC
VIDEO
AUDIO
SP/LP/EP
SP/LP/EP
PR
COLOUR SYSTEM
REC LINK
STANDBY/ON
MEN
U
123
45
6
7
89
0
1
OK
VCR
CABLE
/SAT
TV
2
4
EXPRESS
3
PROG
30 SEC
TV PR
TV PR +
+
TV
TV
ENTER/EN
TREE
PR
DATE
STOP
FIN
START
DEBUT
0000
AUX
DAILY/QTDN.
VPS/PDC
WEEKLY/HEBDO
AUDIO
TV/VCR
REVIEW
SP
GENERAL
Power requirement
Rating
: AC 110 V 240 V`, 50/60 Hz
Operating
: AC 90 V 260 V`, 50/60 Hz
Power consumption
: 14 W
Temperature
Operating
: 5°C to 40°C
Storage
: 20°C to 60°C
Operating position
: Horizontal only
Dimensions (WxHxD)
: 360 mm x 94 mm x 278 mm
Weight
: 3.0 kg
Format
: VHS standard
Maximum recording time
(SP)
: 240 min. with E-240 video cassette
(PAL/MESECAM)
: 160 min. with T-160 video cassette
(NTSC)
(LP)
: 480 min. with E-240 video cassette
(PAL/MESECAM)
(EP)
: 480 min. with T-160 video cassette
(NTSC)
VIDEO/AUDIO
Signal system
: PAL-type colour signal and CCIR
monochrome signal, 625 lines 50 fields
: NTSC colour and EIA monochrome
signals, 525 lines/60 fields
Recording system
: Rotary 2 head helical scan system
Signal-to-noise ratio
: 45 dB
Horizontal resolution
: 250 lines (PAL/MESECAM)
: 220 lines (NTSC)
Frequency range
: 70 Hz to 10,000 Hz
Input/Output
: RCA connectors (IN x 1, OUT x 1)
TUNER/TIMER
TV channel storage
capacity
: 99 positions (+AUX position)
Tuning system
: Frequency synthesized tuner
Channel coverage
: VHF
(Low) 42 MHz 175 MHz
(High)175 MHz 470 MHz
UHF
470 MHz 870 MHz
Aerial output
: UHF channels (Adjustable
E28 E60)
Memory backup time
: Approx. 6 months
Estimated figure based on
supplied fresh battery; actual
performance may differ.
ACCESSORIES
Provided accessories
: RF cable,
Infrared remote control unit,
"R6/UM-3" battery x 2,
Lithium battery CR2025,
Conversion plug*
*Not provided in certain areas.
Specifications shown are for SP mode unless otherwise specified.
Design and specifications subject to change without notice.
TABLE OF CONTENTS
DIFFERENT TABLE .................................................................................................................................................................................... 1 to 5
4. CHARTS AND DIAGRAMS (4-1 to 4-5)
4.1 MAIN, A/C HEAD, MINI OPE, LITHIUM BATTERY AND LOADING MOTOR CIRCUIT BOARDS [HR-J377EM] ................................... 4-2
4.2 VIDEO/N.AUDIO SCHEMATIC DIAGRAM [HR-J377EM] ....................................................................................................................... 4-4
5. PARTS LIST (5-1 only)
5.1 PACKING AND ACCESSORY ASSEMBLY <M1> ................................................................................................................................... 5-1
The following table indicate main different points between models HR-J271MS, HR-J275EA, HR-J275EE, HR-J277MS and HR-J371EM.
1
MODEL
HR-J271MS
HR-J275EA
HR-J275EE
HR-J277MS
HR-J371EM
ITEM
POWER PLUG
CEE
SAA
CEE
SASO
FRONT PANEL COLOR
SILVER
BLACK
SILVER
VCR PLUS+
NOT USED
USED
NOT USED
SKIP
USED
NOT USED
USED
The following table indicate different parts number between models HR-J271MS, HR-J275EA, HR-J275EE, HR-J277MS and HR-J371EM.
PACKING AND ACCESSORY ASSEMBLY <M1>
!
REF.
MODEL
HR-J271MS
HR-J275EA
HR-J275EE
HR-J277MS
HR-J371EM
NO.
ITEM
301
PACKING CASE
LP30670-022A
LP30742-001B
LP30742-003A
LP30670-023A
LP30670-026A
304
HANDLE
--
------
PQ35439
305
SHEET(HANDLE)
--
------
PQ35430-1-2
! 310
INST.BOOK(EN.CH)
LPT0421-001A
----
LPT0421-001A
--
! 310
INST.BOOK(RU.AR)
LPT0422-002A
----
LPT0421-002A
--
! 310
INST.BOOK(EN)
--
LPT0424-001A
----
--
! 310
INST.BOOK(RU)
----
LPT0441-001A
--
LPT0423-003A
! 310
INST.BOOK(EN.AR)
--
------
LPT0423-001A
! 313
CONVERSION PLUG
--
------
PEMC1012
316
WARRANTY CARD
--
BT-56001-2
BT-54012-1
----
317
SERVICE NET CARD
--
BT-56002-2
----
--
Notes : Mark -- is not used.
Mark
is same as left.
The following table indicate main different points between models HR-J677MS and HR-J377EM.
MODEL
HR-J677MS
HR-J377EM
ITEM
CHASSIS DIMENSIONS(WxHxD)mm
400x94x265
360x94x265
VIDEO
4 HEAD
2 HEAD
HIFI AUDIO
USED
NOT USED
STILL/PAUSE/FRAME ADVANCE
NOISELESS
REDUCED NOISE
HIFI LEVEL METER
USED
NOT USED
FRONT VIDEO IN/AUDIO IN
USED
NOT USED
CABINET AND CHASSIS ASSEMBLY <M2>
!
REF.
MODEL
HR-J271MS
HR-J275EA
HR-J275EE
HR-J277MS
HR-J371EM
NO.
ITEM
! 501
FRONT PANEL ASSY
LP10293-020B
LP10293-016B
LP10293-018B
LP10293-021B
LP10293-022B
501A
CASSETTE DOOR
LP20868-024A
LP20868-020A
LP20868-022A
LP20868-022A
LP20868-024A
501C
DISPLAY WINDOW
LP20869-064A
LP20869-055A
LP20869-057A
LP20869-065A
LP20869-066A
! 502
TOP COVER
PQ11898-38-18
PQ11898-26-18
PQ11898-38-18
! 517
POWER CORD
QMP4A10-170
QMP2990-220
QMP4A10-170
QMP73J0-170
MAIN BOARD ASSEMBLY <03>
!
REF.
MODEL
HR-J271MS
HR-J275EA
HR-J275EE
HR-J277MS
HR-J371EM
NO.
ITEM
PW1
MAIN BOARD ASSY
LPA10088-34D1
LPA10088-35D1
LPA10088-34D1
IC3004
IC
M24C04-BN6
M24C08-BN6
M24C04-BN6
Q5301
TRANSISTOR
--
2SB1256-T
--
Q5302
DIGITAL TRANSISTOR
--
DTC114TUA-X
--
D5305
SI DIODE/BUS WIRE
--
11ES2-T2
QUY160-100Y
R5308
MG RESISTOR
--
NRSA02J-472X
--
R5309
MG RESISTOR
--
NRSA02J-222X
--
2
!
REF.
MODEL
HR-J677MS
HR-J377EM
NO.
ITEM
! 501
FRONT PANEL ASSY
LP10289-040B
LP10293-023B
501A
CASSETTE DOOR
LP20868-018A
LP20868-025A
501C
DISPLAY WINDOW
LP20869-053A
LP20869-067A
! 502
TOP COVER
LP10013-027C
PQ11898-38-18
505
DRUM SUB ASSY
LP20617-002A
LP20617-005A
505A
UPPER DRUM ASSY
LP20616-002A
LP20084-003A
! 511
BOTTOM CHASSIS
LP10108-009C
LP20262-003H
CABINET AND CHASSIS ASSEMBLY <M2>
PW1
MAIN BOARD ASSY
LPA10086-17D1
LPA10086-18C1
IC1
IC
JCP8020-MSD-2
JCP8021-MVD-2
IC201
IC(OSD)
LC74789N-9795
LC74789N-9719
IC301
IC
--
LA7358
Q1
TRANSISTOR
2SC4081/S/-X
--
Q2
TRANSISTOR
2SC4081/S/-X
--
Q3
TRANSISTOR
2SC4081/S/-X
--
Q4
TRANSISTOR
2SC4081/S/-X
--
Q21
TRANSISTOR
--
2SA1576A/QR/-X
Q34
TRANSISTOR
--
2SA1576A/QR/-X
Q301
TRANSISTOR
--
2SA1576A/QR/-X
Q302
DIGITAL TRANSISTOR
--
DTA144WUA-X
Q2251
DIGITAL TRANSISTOR
DTA144WU
--
Q2252
DIGITAL TRANSISTOR
DTC114EU
--
D2101
ZENER DIODE
MTZJ8.2C
--
D2201
SI DIODE
11ES2
--
D5201
DIODE/FR DIODE
AK04
AU01Z
D5207
DIODE
--
AK04-T2
D5212
SB DIODE
RK14LF-B2
--
R21
MG RESISTOR
NRSA02J-0R0X
--
R22
MG RESISTOR
NRSA02J-0R0X
--
R47
MG RESISTOR
--
NRSA02J-821X
R48
MG RESISTOR
--
NRSA02J-102X
R71
MG RESISTOR
--
NRSA02J-0R0X
R72
MG RESISTOR
--
NRSA02J-333X
R73
MG RESISTOR
--
NRSA02J-682X
R301
MG RESISTOR
--
NRSA02J-273X
R302
MG RESISTOR
--
NRSA02J-124X
R303
MG RESISTOR
--
NRSA02J-273X
R304
MG RESISTOR
--
NRSA02J-682X
R305
MG RESISTOR
--
NRSA02J-473X
R306
MG RESISTOR
--
NRSA02J-273X
R307
MG RESISTOR
--
NRSA02J-222X
R308
MG RESISTOR
--
NRSA02J-222X
R309
MG RESISTOR
--
NRSA02J-821X
R310
MG RESISTOR
--
NRSA02J-223X
R311
MG RESISTOR
--
NRSA02J-392X
R312
MG RESISTOR
--
NRSA02J-272X
R313
MG RESISTOR
--
NRSA02J-223X
R314
CMF RESISTOR
--
NRSA02J-243X
R315
MG RESISTOR
--
NRSA02J-564X
R316
MG RESISTOR
--
NRSA02J-224X
R329
MG RESISTOR
--
NRSA02J-0R0X
R2001
MG RESISTOR
NRSA02J-681X
NRSA02J-101X
R2002
MG RESISTOR
NRSA02J-272X
--
MAIN BOARD ASSEMBLY <03>
!
REF.
MODEL
HR-J677MS
HR-J377EM
NO.
ITEM
Note : Mark -- is not used.
PACKING AND ACCESSORY ASSEMBLY <M1>
!
REF.
MODEL
HR-J677MS
HR-J377EM
NO.
ITEM
301
PACKING CASE
LP30658-027A
LP30670-025A
302
CUSHION ASSY
LP30718-001A
LP30671-001C
303
POLY BAG
PQM30021-93
PQM30021-92
304
HANDLE
--
PQ35439
305
SHEET(HANDLE)
--
PQ35430-1-2
! 310
INST.BOOK(EN.CH)
LPT0425-001A
--
! 310
INST.BOOK(RU.AR)
LPT0425-002A
--
! 310
INST.BOOK(EN.AR)
--
LPT0423-001A
! 310
INST.BOOK(FR.SP)
--
LPT0423-002A
The following table indicate different parts number between models HR-J677MS and HR-J377EM.
R2004
MG RESISTOR
--
NRSA02J-472X
R2005
MG RESISTOR
NRSA02J-0R0X
NRSA02J-153X
R2006
MG RESISTOR
NRSA02J-393X
--
R2007
MG RESISTOR
NRSA02J-393X
--
R2008
RESISTOR
QRE141J-123Y
QRE141J-103Y
R2009
MG RESISTOR
NRSA02J-123X
--
R2010
MG RESISTOR
NRSA02J-123X
--
R2016
MG RESISTOR
NRSA02J-393X
NRSA02J-473X
R2056
MG RESISTOR
NRSA02J-820X
NRSA02J-680X
R2201
RESISTOR
QRE141J-151Y
--
R2202
MG RESISTOR
NRSA02J-222X
--
R2203
MG RESISTOR
NRSA02J-222X
--
R2204
MG RESISTOR
NRSA02J-102X
--
R2205
MG RESISTOR
NRSA02J-102X
--
R2206
MG RESISTOR
NRSA02J-101X
--
R2208
MG RESISTOR
NRSA02J-101X
--
R2209
MG RESISTOR
NRSA02J-101X
--
R2210
MG RESISTOR
NRSA02J-103X
--
R2211
MG RESISTOR
NRSA02J-103X
--
R2213
MG RESISTOR
NRSA02J-393X
NRSA02J-473X
R2215
MG RESISTOR
NRSA02J-153X
NRSA02J-562X
R2217
MG RESISTOR
NRSA02J-0R0X
--
R2218
MG RESISTOR
NRSA02J-393X
--
R2219
MG RESISTOR
NRSA02J-393X
--
R2220
MG RESISTOR
NRSA02J-393X
--
R2222
MG RESISTOR
NRSA02J-123X
--
R2223
MG RESISTOR
NRSA02J-123X
--
R2224
MG RESISTOR
NRSA02J-123X
--
R2225
RESISTOR
QRE141J-153Y
--
R2226
MG RESISTOR
NRSA02J-123X
--
R2227
RESISTOR
QRE141J-223Y
--
R2228
MG RESISTOR
NRSA02J-103X
--
R2229
MG RESISTOR
NRSA02J-563X
--
R2251
MG RESISTOR
NRSA02J-102X
--
R3011
MG RESISTOR
NRSA02J-472X
--
R3012
MG RESISTOR
NRSA02J-472X
--
R3014
MG RESISTOR
NRSA02J-472X
--
R3079
MG RESISTOR
--
NRSA02J-102X
R3080
MG RESISTOR
NRSA02J-472X
--
R3085
MG RESISTOR
NRSA02J-102X
--
R3086
MG RESISTOR
NRSA02J-102X
--
R3087
MG RESISTOR
NRSA02J-0R0X
--
R3094
MG RESISTOR
--
NRSA02J-102X
R3095
MG RESISTOR
--
NRSA02J-102X
R3240
MG RESISTOR
NRSA02J-105X
--
R4010
MG RESISTOR
NRSA02J-102X
--
R5301
RESISTOR/IM BUS WIRE
QRE141J-2R2Y
QUY153-050Y
R6032
MG RESISTOR
NRSA02J-222X
NRSA02J-332X
R7025
MG RESISTOR
NRSA02J-472X
--
R7121
MG RESISTOR
NRSA02J-101X
--
R7127
MG RESISTOR
NRSA02J-101X
--
R7160
MG RESISTOR
NRSA02J-331X
--
R7161
MG RESISTOR
NRSA02J-101X
--
R7162
MG RESISTOR
NRSA02J-331X
--
R7163
MG RESISTOR
NRSA02J-750X
--
R7204
RESISTOR
QRE141J-103Y
--
C3
CAPACITOR
NCB21HK-103X
--
C4
CAPACITOR
NCB21HK-103X
--
C51
E CAPACITOR
QEKJ1HM-105
--
C69
CAPACITOR
NCB21HK-103X
--
C70
CAPACITOR
NCB21HK-103X
--
C79
CAPACITOR
--
NDC21HJ-390X
C89
MG RESISTOR
--
NRSA02J-0R0X
C90
MG RESISTOR
--
NRSA02J-0R0X
C94
MG RESISTOR/CAPACITOR
NRSA02J-0R0X
NCB21HK-103X
C95
CAPACITOR
--
NCB21HK-103X
C301
CAPACITOR
--
NDC21HJ-151X
C302
E CAPACITOR
--
QEKJ1HM-225Z
C303
CAPACITOR
--
NCB21HK-682X
C304
CAPACITOR
--
NCB21HK-682X
C305
CAPACITOR
--
NCB21HK-103X
C306
E CAPACITOR
--
QEKJ0JM-476Z
!
REF.
MODEL
HR-J677MS
HR-J377EM
NO.
ITEM
3
Note : Mark -- is not used.
C307
CAPACITOR
--
NDC21HJ-151X
C308
CAPACITOR
--
NCB21HK-103X
C309
CAPACITOR
--
NCB21EK-104X
C310
CAPACITOR
--
NCB21HK-103X
C311
CAPACITOR
--
NCB21HK-103X
C312
CAPACITOR
--
NCB21HK-102X
C313
E CAPACITOR
--
QERF1HM-474Z
C314
CAPACITOR
--
NCB21HK-471X
C315
E CAPACITOR
--
QERF1CM-106Z
C316
CAPACITOR
--
NCB21HK-103X
C317
CAPACITOR
--
NCB21HK-681X
C318
CAPACITOR
--
NCB21EK-223X
C319
CAPACITOR
--
NCB21CK-105X
C320
CAPACITOR
--
NCB21HK-103X
C321
CAPACITOR
--
NDC21HG-301X
C322
CAPACITOR
--
NCB21CK-474X
C2001
E CAPACITOR
QEKJ1EM-475
QEKJ1CM-106Z
C2002
E CAPACITOR
QEKJ1CM-106
QEKJ1HM-105Z
C2010
CAPACITOR
NCB21HK-152X
--
C2201
CAPACITOR
NCB21CK-104X
--
C2202
CAPACITOR
NCB21EK-333X
--
C2203
E CAPACITOR
QEKJ1CM-106
--
C2204
CAPACITOR
NCB21HK-102X
--
C2205
E CAPACITOR
QEKJ1HM-105
--
C2206
E CAPACITOR
QEKJ1CM-106
--
C2207
E CAPACITOR
QEKJ1CM-476
--
C2208
E CAPACITOR
QEKJ1EM-475
--
C2209
E CAPACITOR
QEKJ1HM-104
--
C2210
E CAPACITOR
QEKJ1HM-104
--
C2211
E CAPACITOR
QEKJ1HM-474
--
C2212
E CAPACITOR
QEKJ1HM-474
--
C2213
E CAPACITOR
QEKJ1CM-106
--
C2214
E CAPACITOR
QEKJ1CM-106
--
C2215
E CAPACITOR
QEKJ1EM-475
--
C2216
E CAPACITOR
QEKJ1HM-474
QEKJ1HM-104Z
C2217
E CAPACITOR
QEKJ1CM-106
--
C2218
E CAPACITOR
QEKJ1HM-474
--
C2219
E CAPACITOR
QEKJ1CM-106
--
C2220
E CAPACITOR
QEKJ1EM-475
--
C2221
CAPACITOR
NCB21HK-103X
--
C2222
E CAPACITOR
QEKJ1HM-474
--
C2223
E CAPACITOR
QEKJ1HM-474
--
C2224
CAPACITOR
NCB21HK-103X
--
C2225
E CAPACITOR
QEKJ1EM-475
--
C2226
E CAPACITOR
QEKJ1CM-106
--
C2227
CAPACITOR
NCB21CK-104X
--
C2228
CAPACITOR
NCB21CK-104X
--
C2251
E CAPACITOR
QEKJ1CM-476
--
C2252
CAPACITOR
QCBB1HK-103
--
C2253
CAPACITOR
NCB21CK-104X
--
C2254
CAPACITOR
NCB21CK-104X
--
C2255
CAPACITOR
NDC21HJ-181X
--
C5203
E CAPACITOR
QEMT1AM-128
QEMT1AM-687
C6007
E CAPACITOR
QETN1AM-477
QEKC1CM-107Z
L14
P COIL
--
QQL29BJ-101Z
L301
P COIL
--
QQL29BJ-100Z
L302
P COIL
--
QQL29BJ-6R8Z
L303
INDUCTOR
--
QQL231J-270Y
L2251
P COIL
QQL29BJ-100Z
--
L2252
P COIL
QQL29BJ-151Z
--
L6001
P COIL/IM BUS WIRE
QQL29BJ-100Z
QUY153-050Y
! TB1
TERMINAL BOARD
LP20316-007B
LP20383-006B
CN1
FPC CONNECTOR
QGF1028C1-11
QGF1028C3-04
K2251
MG RESISTOR
NRSA02J-0R0X
--
K2252
MG RESISTOR
NRSA02J-0R0X
--
K2253
MG RESISTOR
NRSA02J-0R0X
--
DI7001
FL TUBE
QLF0032-001
QLF0031-001
HD1
HOLDER
LP30188-001A
PQ35479-1-4
S7008
TACT SWITCH
QSW0456-002Z
--
J7103
PIN JACK
QNN0286-002
QNN0292-002
J7104
PIN JACK
QNN0285-002
QNN0291-002
J7105
PIN JACK
QNN0288-002
--
!
REF.
MODEL
HR-J677MS
HR-J377EM
NO.
ITEM
4
Note : Mark -- is not used.