SERVICE MANUAL
VIDEO CASSETTE RECORDER
No. 82864
April 2001
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD.
HR-S7900U/U(C)
Regarding service information other than these sections, refer to the HR-S5900U service manual (No. 82848).
Also, be sure to note important safety precautions provided in the service manual.
SPECIFICATIONS
VIDEO (MONO)L--AUDIO--R
S VIDEO
A.DUB
DIGITAL TBC/NR
FF
REW
POWER
SP
EP
VCR
REC
PAUSE
STOP/EJECT
PLAY
+
CH /+
PUSH / TURN
INSERT
24HR QUICK
PROGRAM
REC LINK
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
GENERAL
Power requirement
: AC 120 V` , 60 Hz
Power consumption
Power on
: 20 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 mm x 94 mm x 283 mm
Weight
: 3.4 kg
Format
: S-VHS/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
VHS
: 230 lines
S-VHS
: 400 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 2, OUT x 1)
S-video 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
: Infrared remote control unit, "AA"
battery x 2,
S-video cable (4-pin),
RF cable (F-type),
Audio/video cable,
Controller
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, 2
4. CHARTS AND DIAGRAMS (4-1 to 4-8)
4.1
MAIN, R.PAUSE, C.BOX CTL CIRCUIT BOARDS ....................................................................................................... 4-2
4.2
MAIN (TUNER/DEMOD) SCHEMATIC DIAGRAM ....................................................................................................... 4-4
4.3
3D DIGITAL/2M SCHEMATIC DIAGRAM ..................................................................................................................... 4-6
4.4
3D DIGITAL/2M CIRCUIT BOARD ................................................................................................................................ 4-8
5. PARTS LIST (5-1 to 5-5)
5.1
PACKING AND ACCESSORY ASSEMBLY <M1> ........................................................................................................ 5-1
5.2
FINAL ASSEMBLY <M2> .............................................................................................................................................. 5-2
5.3
ELECTRICAL PARTS LIST ........................................................................................................................................... 5-4
3D DIGITAL/2M BOARD ASSEMBLY <05> ..................................................................................................................... 5-4
1
Notes : Mark
is same as left.
Mark -- is not used.
MODEL
HR-S5900U
HR-S7900U
HR-S7900U(C)
ITEM
DIGITAL 3R
NOT USED
DIGITAL
TBC/NR
NOT USED
USED
RECODING RESUME FUNCTION
NOT USED
USED
The following table indicate main different points between models HR-S5900U, HR-S7900U and HR-S7900U(C).
REF.
MODEL
HR-S5900U
HR-S7900U
HR-S7900U(C)
!
NO
ITEM
301
PACKING CASE
LP30899-001B
LP30943-001A
302
CUSHION ASSY
LP30718-001B
LP30536-002A
303
POLY BAG
PQM30021-93
PQM30021-103
! 310
INST BOOK(EN)
LPT0503-001A
LPT0504-001A
!
INST BOOK(FR)
--
--
LPT0504-002A
314
CABLE ASSY(AUDIO/VIDEO)
--
QAM0174-001
315
LED CABLE ASSY
--
QAL0095-005
320
SHEET(COUPON)
LP30666-002B
--
--
PACKING AND ACCESSORY ASSEMBLY <M1>
The following tables indicate different parts number between models HR-S5900U, HR-S7900U and HR-S7900U(C).
REF.
MODEL
HR-S5900U
HR-S7900U
HR-S7900U(C)
!
NO
ITEM
! 501
FRONT PANEL ASSY
LP10289-062C
LP10289-064C
501D
DISPLAY WINDOW
LP20869-092A
LP20869-094B
! 502
TOP COVER
LP10013-021D
LP10013-057B
503
SCREW,TOP COVER(SIDE)
QYTDSF3010M,X2
QYTDSF3010M,X4
! 511
BOTTOM CHASSIS
* LP10108-012E
LP10108-012F
533
SIDE PANEL(L)
--
LP10389-001B
534
SIDE PANEL(R)
--
LP10390-001B
FINAL ASSEMBLY <M2>
Notes : Mark
is same as left.
Mark -- is not used.
Mark : * reference model was also changed.
REF.
MODEL
HR-S5900U
HR-S7900U
HR-S7900U(C)
!
NO
ITEM
PW1
MAIN BOARD ASSY
LPA10134-03D1
LPA10134-08D1
IC3003
IC
IC-PST3440U-X
IC-PST3423U-X
Q3004
TRANSISTOR
--
2SD1819A/QRS/-X
D12
DIODE
*1SS270A
----
D501
DIODE
*--
1SS355
D3004
DIODE
--
11ES2
D3006
ZENER DIODE
--
RD33ES/B2/-T2
R12
MG RESISTOR
*NRSA02J-0R0X
----
R30
MG RESISTOR
*NRSA02J-0R0X
----
R46
MG RESISTOR
NRSA02J-471X
NRSA02J-271X
R75
MG RESISTOR
--
NRSA02J-225X
R92
MG RESISTOR
*NRSA02J-0R0X
----
R3014
MG RESISTOR
--
NRSA02J-102X
R3019
MG RESISTOR
*--
NRSA02J-0R0X
R3042
MG RESISTOR
*--
NRSA02J-0R0X
R3043
MG RESISTOR
*NRSA02J-0R0X
----
R3095
MG RESISTOR
*NRSA02J-0R0X
----
R3232
MG RESISTOR
--
NRSA02J-104X
R3233
MG RESISTOR
--
NRSA02J-472X
R3234
MG RESISTOR
--
QRE141J-472Y
R3242
MG RESISTOR
NRSA02J-0R0X
----
R7010
MG RESISTOR
*NRSA02J-0R0X
----
B6
MG RESISTOR
*NRSA02J-0R0X
----
B3001
MG RESISTOR
NRSA02J-0R0X
----
B5308
MG RESISTOR
*NRSA02J-0R0X
----
C57
CAPACITOR
NCB21HK-103X
----
C63
CAPACITOR
NCB21EK-104X
NCB21EK-473X
C106
MG RESISTOR
*NRSA02J-0R0X
----
C201
E CAPACITOR
QEKJ0JM-107
QEKJ0JM-476
C3019
MG RESISTOR/CAPACITOR
NRSA02J-0R0X
NDC21HJ-150X
C3020
CAPACITOR
--
NDC21HJ-180X
C3028
E CAPACITOR
--
QETN0JM-108
C7003
E CAPACITOR
*QEKJ0JM-476
QETJ1AM-227
X3002
CRYSTAL RESONATOR
--
QAX0444-001
S7016
TACT SWITCH
QSW0456-002Z(SVHS ET)
QSW0456-002Z(D.TBC/NR)
J7101
PIN JACK,FRONT IN
QNN0381-001
QNN0383-001
MAIN BOARD ASSEMBLY <03>
REF.
MODEL
HR-S5900U
HR-S7900U
HR-S7900U(C)
!
NO
ITEM
PW1
2D DIGITAL BOARD ASSY
LPA10090-05A
----
2D DIGITAL BOARD ASSEMBLY <05>
REF.
MODEL
HR-S5900U
HR-S7900U
HR-S7900U(C)
!
NO
ITEM
PW1
3D DIGITAL/2M BOARD ASSY
--
LPA10105-02A
3D DIGITAL/2M BOARD ASSEMBLY <05>
REF.
MODEL
HR-S5900U
HR-S7900U
HR-S7900U(C)
!
NO
ITEM
PW1
S JACK BOARD ASSY
LPA20009-02B
LPA20009-01B
J7102
S JACK
QND0084-001
QND0085-001
S JACK BOARD ASSEMBLY <36>
2
Printed in Japan
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DIVISION OF JVC AMERICAS CORP.
Head office
East Coast
Midwest
West Coast
Atlanta
Hawaii
:
:
:
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:
:
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10 New Maple Avenue Pine Brook, New Jersey 07058-9641
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(973)315-5000
(973)396-1000
(630)851-7855
(714)229-8011
(770)339-2582
(808)833-5828
JVC CANADA INC.
Head office
Montreal
Vancouver
:
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21 Finchdene Square Scarborough, Ontario M1X 1A7
16800 Rte Trans-Canadienne, Kirkland, Quebec H9H 5G7
13040 Worster Court Richmond, B.C. V6V 2B3
(416)293-1311
(514)871-1311
(604)270-1311
S40895-03