SERVICE MANUAL
VIDEO CASSETTE RECORDER
No. 82827
September 2000
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2000 VICTOR COMPANY OF JAPAN, LTD.
HR-VP78U
Regarding service information other than these sections, refer to the HR-VP780U service manual (No. 82777).
Also, be sure to note important safety precautions provided in the service manual.
SPECIFICATIONS
TV CH +
T
V
V
O
L
TV CH
TV
V
O
L
+
TV
CANCEL
TIMER
START
STOP
DATE
PLAY
REW
REC
STOP
SHUTTLE
PLUS
PAUSE
FF
MEN
U
OK
CH
POWER
TV/VCR
C.RESET
DBS
DAILY(M-F)
AUX
WEEKLY
PROG
CHECK
PROG
SP/EP
SKIP SEARCH
DISPLAY
A. MONITOR
CABLE/
DBS
123
45
6
7
89
0
2
4
1
3
EXPRESS PROGRAMMING
MULTI BRAND
REMOTE CONTROL UNIT
MBR SET
A/B
VIDEO (MONO)L--AUDIO--R
PLAY
SP/EP
MENU
CH
OK
FF
REW
POWER
SP
EP
VCR
REC
PAUSE
STOP/EJECT
GENERAL
Power requirement
: AC 120 V`, 60 Hz
Power consumption
Power on
: 19 W
Power off
: 2.5 W
Temperature
Operating
: 5°C to 40°C (41°F to 104°F)
Storage
: 20°C to 60°C (4°F to140°F)
Operating position
: Horizontal only
Dimensions (W x H x D) : 400 x 94 x 281 mm
(15-3/4" x 3-3/4" x 11-1/8")
Weight
: 3.4 kg (7.5 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
monochrome signal, 525 lines/60
fields
Recording/
Playback system
: DA-4 (Double Azimuth) head helical
scan system
Signal-to-noise ratio
: 45 dB
Horizontal resolution
: 230 lines (VHS)
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 2, OUT x 1)
TUNER
Tuning system
: Frequency-synthesized tuner
Channel coverage
VHF
: Channels 213
UHF
: Channels 1469
CATV
: 113 Channels
RF output
: Channel 3 or 4 (switchable; preset
to Channel 3 when shipped) 75
ohms, unbalanced
TIMER
Clock reference
: Quartz
Program capacity
: 1-year programmable timer/
8 programs
Memory backup time
: Approx. 3 min.
ACCESSORIES
Provided accessories
: RF cable (F-type),
Infrared remote control unit, "AA"
battery x 2
Specifications shown are for SP mode unless specified otherwise.
E. & O.E. Design and specifications subject to change without notice.
TABLE OF CONTENTS
DIFFERENT TABLE .................................................................................................................................................................. 1
4. CHARTS AND DIAGRAMS (4-1 to 4-3)
4.1
MAIN, R.PAUSE, A/C HEAD, LOADING MOTOR, SHUTTLE AND C.BOX CTL CIRCUIT BOARDS .......................... 4-2
The following table indicate main different points between models HR-VP780U and HR-VP78U.
ITEM
MODEL
HR-VP780U
HR-VP78U
B.E.S.T.PICTURE
AUTO PICTURE
A.V.CALIBRATION
CHILD LOCK
NOT USED
USE
REF.
MODEL
HR-VP780U
HR-VP78U
NO.
ITEM
301
PACKING CASE
LP30658-001A
LP30658-035A
! 310
INST.BOOK(EN)
LPT0313-001B
LPT0507-001A
318
Q.S.SHEET
LPT0313-002A
LPT0507-002A
PACKING AND ACCESSORY ASSEMBLY <M1>
The following tables indicate different parts number between models HR-VP780U and HR-VP78U.
REF.
MODEL
HR-VP780U
HR-VP78U
NO.
ITEM
! 501
FRONT PANEL ASSY
LP10289-001A
LP10289-055A
501C
DISPLAY WINDOW
LP20869-001A
LP20869-074A
! 502
TOP COVER
*LP10013-021C
LP10013-020D
! 511
BOTTOM CHASSIS
*LP10108-010A
LP10108-010B
CABINET AND CHASSIS ASSEMBLY <M2>
REF.
MODEL
HR-VP780U
HR-VP78U
NO.
ITEM
PW1
MAIN BOARD ASSY
*LPA10088-01D1
LPA10088-01K1
IC1
IC
*JCP8020-NVA
JCP8020-NVD-2
Q26
TRANSISTOR
*DTC144WU
--
D3009
DIODE
*DA204U
--
D3013
DIODE
*DA204U
--
D5001
BRIDGE DIODE
*S1WB(A)60F4102
S1WB/A/60F4102
R92
MG RESISTOR
*NRSA02J-392X
NRSA02J-152X
R93
MG RESISTOR
*NRSA02J-222X
NRSA02J-102X
R104
MG RESISTOR
*NRSA02J-562X
NRSA02J-682X
R106
MG RESISTOR
*NRSA02J-225X
--
R107
RESISTOR
*QRE141J-225Y
--
R109
RESISTOR
*QRE141J-225Y
--
R3226
MG RESISTOR
*NRSA02J-103X
NRSA02J-472X
R3227
MG RESISTOR
*NRSA02J-103X
NRSA02J-472X
R4004
MG RESISTOR
*NRSA02J-0R0X
--
R6514
MG RESISTOR
*NRSA02J-0R0X
--
R6515
MG RESISTOR
*NRSA02J-0R0X
--
R7014
MG RESISTOR
*NRSA02J-0R0X
--
C1
CAPACITOR
*NCB21AK-105X
NCF21CZ-105X
C2
CAPACITOR
*NCB21AK-105X
NCF21CZ-105X
C3
CAPACITOR
*NCB21AK-105X
NCF21CZ-105X
C4
CAPACITOR
*NCB21AK-105X
NCF21CZ-105X
C8
CAPACITOR
*NCB21EK-473X
NCB21EK-104X
C13
CAPACITOR
*NCB21HK-103X
--
C15
CAPACITOR
*NCB21EK-104X
NCB21HK-103X
C56
CAPACITOR
*NCB21CK-474X
--
C64
CAPACITOR
*NDC21HJ-9R0X
NDC21HJ-150X
C109
CAPACITOR
*NCB21HK-223X
NCB21CK-224X
C3002
CAPACITOR
*NCB21EK-104X
--
C3024
E CAPACITOR
*QEKJ0JM-476
--
C3025
CAPACITOR
*NCB21HK-103X
--
C3029
CAPACITOR
*NCB21HK-103X
--
C3030
E CAPACITOR
*QEKJ0JM-227
--
C3051
CAPACITOR
*NCF11HZ-103X
--
C3054
CAPACITOR
*
--
NCB21HK-103X
C3055
E CAPACITOR
*QEKJ0JM-337
--
C6513
E CAPACITOR
*QEE81CJ-335
QETN1HM-335
C6514
E CAPACITOR
*QEE81CJ-106
QETN1HM-106
C7007
E CAPACITOR
*QEKJ0JM-107
QEKJ0JM-476
C7008
CAPACITOR
*NCF21CZ-105X
NCB21HK-223X
C7011
E CAPACITOR
*QEKJ0JM-227
QEKJ0JM-476
L2
COIL/BUS WIRE
*QQL29BJ-101Z
QUY153-050Y
L13
COIL
*QQL231J-101Y
QQL231J-680Y
K2251
FERRITE BEAD
*NQR0007-001X
--
K2252
FERRITE BEAD/MG RESISTOR
*NQR0007-001X
NRSA02J-0R0X
K2253
FERRITE BEAD
*NQR0007-001X
--
! T5001
SW TRANSFORMER
*QQS0031-002
QQS0030-002
! SG5001 SURGE ABSORBER
*QAF0046-242Z
--
! VA5002 VARISTOR
*QAF0023-431Z
--
! CP4001 CIRCUIT PROTECTOR/BUS WIRE
*ICP-N25
QUY153-050Y
MAIN BOARD ASSEMBLY <03>
1
Notes : · Mark -- is not used.
· Mark * reference model was also charged.
Printed in Japan
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DIVISION OF JVC AMERICAS CORP.
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East Coast
Midwest
West Coast
Atlanta
Hawaii
:
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Vancouver
:
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21 Finchdene Square Scarborough, Ontario M1X 1A7
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S40895-03