SERVICE MANUAL
VIDEO CASSETTE RECORDER
No. 82806
May 2000
This service manual is made from all recycled paper.
COPYRIGHT © 2000 VICTOR COMPANY OF JAPAN, LTD.
HR-S2110T/S6700KR/S7800U/U(C)
Regarding service information other than these sections, refer to the HR-S4800U service manual (No. 82792).
Also, be sure to note important safety precautions provided in the service manual.
SPECIFICATIONS (The specifications shown pertain specifically to the model HR-S7800U)
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
MENU
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
REC
PAUSE
PLAY
DIGITAL TBC/NR
MENU
OK
(MONO)L--AUDIO--R
VIDEO
S-VIDEO
S-VHS ET
STOP/EJECT
POWER
FF
REW
CH
SP
EP
VCR
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 281 mm
(15-3/4" x 3-3/4" x 11-1/8")
Weight
: 3.5 kg (7.7 lbs)
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
,
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,
Audio/video cable,
RF cable (F-type),
S-video cable (4-pin),
S-VHS ET labels,
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 to 5
3. ELECTRICAL ADJUSTMENT (3-1 to 3-7)
3.1
PRECAUTION ........................................................................................................................................................................................ 3-1
3.2
SERVO CIRCUIT ................................................................................................................................................................................... 3-2
3.3
VIDEO CIRCUIT .................................................................................................................................................................................... 3-2
3.4
AUDIO CIRCUIT .................................................................................................................................................................................... 3-4
3.5
DEMODULATOR CIRCUIT .................................................................................................................................................................... 3-5
3.6
SYSCON CIRCUIT ................................................................................................................................................................................ 3-7
4. CHARTS AND DIAGRAM (4-1 to 4-12)
4.1
BOARD INTERCONNECTIONS ............................................................................................................................................................ 4-1
4.2
3D DIGITAL/2M SCHEMATIC DIAGRAM .............................................................................................................................................. 4-3
4.3
DEMODULATOR SCHEMATIC DIAGRAM [HR-S6700KR] ................................................................................................................... 4-5
4.4
MAIN,A/C HEAD, S JACK, R.PAUSE, C.BOX AND LOADING MOTOR CIRCUIT BOARDS ............................................................... 4-7
4.5
3D DIGITAL/2M CIRCUIT BOARD ...................................................................................................................................................... 4-10
4.6
DEMODULATOR CIRCUIT BOARD [HR-S6700KR] ........................................................................................................................... 4-11
4.7
REMOTE CONTROL SCHEMATIC DIAGRAM [HR-S2110T/S6700KR] ............................................................................................. 4-12
5. PARTS LIST (5-1 to 5-4)
5.1
CABINET AND CHASSIS ASSEMBLY <M2> ........................................................................................................................................ 5-1
5.2
ELECTRICAL PARTS LIST .................................................................................................................................................................... 5-3
1
Notes : Mark
is same as left.
Mark -- is not used.
The following table indicate main different points between models HR-S4800U, HR-S7800U, HR-S7800U(C), HR-S6700KR
and HR-S2110T.
MODEL
HR-S4800U
HR-S7800U
HR-S7800U(C)
HR-S6700KR
HR-S2110T
ITEM
JOG/SHUTTLE DIAL ON DECK
SH/PLAY
J/S
POWER VOLTAGE (RATING)
120V,60Hz
110`220V(60Hz)
POWER PLUG
UL,CSA
KOREAN
SASO
POWER SAVE
USED
NOT USED
FRONT PANEL COLOR
BLACK
CHMP
HEAD CLEANER
NOT USED
USED
RECORDING & PLAYBACK SPEED
REC: SP/EP,
SP/EP
PLAY: SP/LP/EP
DIGITAL 3R
NOT USED
USED
TBC
NOT USED
USED
3D-MEMORY
NOT USED
USED
STEREO DECODER
MTS
A2(KOREAN)
MTS
RF OUT CH
[3CH],4CH
13CH
SUMMER TIME ADJ.
USED
NOT USED
CHILD LOCK
USED
NOT USED
VCR PLUS+
VCR+C3
G-CODE
AUTO CLOCK
USED
NOT USED
JUST CLOCK
USED
NOT USED
CABLE & DBS BOX CONTROL
USED
NOT USED
The following table indicate different parts number between models HR-S4800U, HR-S7800U, HR-S7800U(C), HR-S6700KR
and HR-S2110T.
REF.
MODEL
HR-S4800U
HR-S7800U
HR-S7800U(C)
HR-S6700KR
HR-S2110T
NO.
ITEM
301
PACKING CASE
LP30658-013A
LP30658-022A
LP30658-026A
LP30658-029A
306
REMOTE CONTROLLER
LP20303-015A
LP20878-004B
306A
COVER(BATTERY)
LP40225-002A
LP40610-002A
!310
INST.BOOK(EN)
LPT0348-001A
LPT0349-001A
------
!310
INST.BOOK(FR)
----
LPT0349-003A
----
!310
INST.BOOK(KO)
------
LPT0430-001A
--
!310
INST.BOOK(EN.CH)
--------
LPT0429-001A
313
A/V CABLE
PEAC0359-120
----
314
S CABLE
QAM0004-002
QAM0246-002
315
CONTROLLER
QAL0095-005
----
316
WARRANTY CARD
----
BT-52004-1
BT-56009-2M
--
317
Q.S.SHEET
LPT0348-002A
LPT0349-002A
----
319
REGIST.CARD
BT-51020-2
------
320
SER.NET CARD
----
BT-20071B
----
323
CONNECTION SHEET
----
PU36560
----
PACKING AND ACCESSORY ASSEMBLY <M1>
REF.
MODEL
HR-S4800U
HR-S7800U
HR-S7800U(C)
HR-S6700KR
HR-S2110T
NO.
ITEM
!501
FRONT PANEL ASSY
LP10289-019B
LP10289-020C
LP10289-039B
LP10289-042B
501A
CASSETTE DOOR
LP20868-005A
LP20868-017A
501C
DISPLAY WINDOW
LP20869-023A
LP20869-024A
LP20869-052A
LP20869-060A
!502
TOP COVER
LP10013-021D
LP10013-031C
503
TAP SCREW
QYTDSF3010M
QYTDSF3010R
!511
BOTTOM CHASSIS
LP10108-012B
LP10108-016A
!517
POWER CORD
QMPD190-170-K
PQ21730N
QMP73J0-170
518
CLEANER ASSY
------
LP40369-001D
518A
CLEANER ROLLER
------
PQ46418-1-2
518B
CLEANER
------
PQ46419-1-2
518C
CLEANER ARM
------
LP30407-001D
527
WASHER,DRUM
QYWW267505Z
----
528
SPACER,DRUM
LP30017-21A
----
529
KNOB(JOG)
LP30653-001A
LP30651-004A
530
KNOB(SHUTTLE)
LP30652-001A
LP30652-002A
533
SPACER, SHIELD FRAME
*LP30002-088A
CABINET AND CHASSIS ASSEMBLY <M2>
Notes : Mark
is same as left.
Mark -- is not used.
Mark * HR-S4800U was also changed.
2
3
Notes : Mark
is same as left.
Mark -- is not used.
REF.
MODEL
HR-S4800U
HR-S7800U
HR-S7800U(C)
HR-S6700KR
HR-S2110T
NO.
ITEM
PW1
MAIN BOARD ASSY
LPA10089-01B1
LPA10089-06B1
LPA10089-08B1
LPA10089-13A1
IC3001
IC
MN101D02HJP
MN101D02HAA
IC3004
IC
M24C04-BN6
M24C08-BN6
IC5101
IC
STR-G6532
STR-G6551
STR-G6532
Q6030
TRANSISTOR
------
2SB1218A/QR/-X
--
Q6551
TRANSISTOR
2SC1740S/QRS/-T
--
2SC1740S/QRS/-T
Q7201
TRANSISTOR
2SA720/RS/-T
----
D6551
Z DIODE
MTZJ10B-T2
--
MTZJ10B-T2
D7005
SI DIODE
--
1SS133-T2
D7010
LED
--
SLR-325MC-T
R31
MG RESISTOR
NRSA02J-152X
NRSA02J-122X
R46
MG RESISTOR
NRSA02J-471X
NRSA02J-271X
R75
MG RESISTOR
--
NRSA02J-225X
R111
MG RESISTOR
NRSA02J-222X
--------
R3029
MG RESISTOR
--
NRSA02J-0R0X
R3032
MG RESISTOR
--
NRSA02J-0R0X
R3045
MG RESISTOR
--
NRSA02J-102X
R3093
MG RESISTOR
--
NRSA02J-0R0X
R5001
RESISTOR
QRZ9046-475Z
----
R5102
RESISTOR
QRE141J-300Y
QRE141J-100Y
QRE141J-300Y
R5104
OMF RESISTOR
QRG02GJ-683
QRG02GJ-473
QRG02GJ-683
R5306
MG RESISTOR
NRSA02J-563X
NRSA02J-823X
NRSA02J-563X
R6030
MG RESISTOR
------
NRSA02J-332X
--
R6032
MG RESISTOR
NRSA02J-123X
--
NRSA02J-123X
R6053
MG RESISTOR
NRSA02J-102X
--
R6508
MG RESISTOR
NRSA02J-0R0X
NRSA02J-682X
NRSA02J-0R0X
R6509
MG RESISTOR
------
NRSA02J-682X
--
R6510
MG RESISTOR
NRSA02J-0R0X
NRSA02J-682X
NRSA02J-0R0X
R6511
MG RESISTOR
------
NRSA02J-682X
--
R6551
MG RESISTOR
NRSA02J-271X
--
NRSA02J-271X
R6552
MG RESISTOR
NRSA02J-101X
--
NRSA02J-101X
R7041
MG RESISTOR
--
NRSA02J-331X
R7202
RESISTOR
QRE141J-471Y
----
R7203
MG RESISTOR
NRSA02J-222X
----
R7204
RESISTOR
QRE123J-100X
----
C18
E CAPACITOR
QEKJ1HM-105
--------
C63
CAPACITOR
NCB21EK-104X
NCB21EK-473X
C128
MG RESISTOR
NRSA02J-0R0X
------
NRSA02J-0R0X
C561
E CAPACITOR
--
QERF1HM-105Z
C3018
TRIM CAPACITOR
------
QAT3725-300Z
C3019
CAPACITOR
NDC21HJ-180X
NDC21HJ-100X
C5004
CAPACITOR
QCZ9094-472
QCZ9071-222
C5006
E CAPACITOR
QETM2DM-157
QEZ0374-826
QETM2DM-157
C5102
E CAPACITOR
QEMT1VM-276
QEMU1VM-276Z
QEMT1VM-276
C5103
CAPACITOR
QCZ0302-470Z
QCZ0302-330Z
QCZ0302-470Z
C5304
MF CAPACITOR
QFVF1HJ-124Z
QFVF1HJ-224Z
QFVF1HJ-124Z
C5310
M CAPACITOR
QFLC1HJ-183Z
--
QFLC1HJ-183Z
C6519
CAPACITOR
------
NCB21EK-223X
--
C6520
CAPACITOR
------
NCB21EK-223X
--
C7206
E CAPACITOR
QEKJ0JM-227Z
----
L7201
P COIL
QQL29BJ-101Z
----
X3002
CRYSTAL
------
QAX0445-001
S6050
SLIDE SWITCH
QSW0460-001
--
!PC5101 IC(PHOTO COUPLER)
PS2501-1
PS2561L1-1/WL/
TU6001 TUNER
QAU0163-001
QAU0125-001
QAU0177-001
!TB1
TERMINAL BOARD
LP20887-002B
LP20887-006A
LP20887-007A
FW3002 PARA RIBON WIRE
QUM022-30A4A4
----
J7101
PIN JACK
QNN0288-001
QNN0288-002
!SG5001 SURGE ABSORBER
QAF0046-242Z
----
!VA5001 VARISTOR
QAF0023-431Z
----
!VA5002 VARISTOR
QAF0023-431Z
----
!VA5003 VARISTOR
------
QAF0026-621
--
!F5001
FUSE
QMF51N2-1R25J1
QMF51E2-2R0
MAIN BOARD ASSEMBLY <03>
4
REF.
MODEL
HR-S4800U
HR-S7800U
HR-S7800U(C)
HR-S6700KR
HR-S2110T
NO.
ITEM
2D DIGITAL BOARD ASSEMBLY <05>
PW1
2D DIGITAL BOARD ASSY
LPA10090-01B
--------
REF.
MODEL
HR-S4800U
HR-S7800U
HR-S7800U(C)
HR-S6700KR
HR-S2110T
NO.
ITEM
3D DIGITAL/2M BOARD ASSEMBLY <05>
PW1
3D DIGITAL/2M BOARD ASSY
--
LPA10105-02A
REF.
MODEL
HR-S4800U
HR-S7800U
HR-S7800U(C)
HR-S6700KR
HR-S2110T
NO.
ITEM
R.PAUSE BOARD ASSEMBLY <06>
PW2
R.PAUSE BOARD ASSY
LPA10089-01B2
LPA10089-01C2
REF.
MODEL
HR-S4800U
HR-S7800U
HR-S7800U(C)
HR-S6700KR
HR-S2110T
NO.
ITEM
DEMOD BOARD ASSEMBLY <14>
PW1
DEMOD BOARD ASSY
PB11076A
PB11091A
PB11076A
IC1501
IC
UPC1852AGT
KA2268
UPC1852AGT
Q1501
TRANSISTOR
------
2SC1740S/QRS/-T
--
Q1502
DIGI TRANSISTOR
------
DTC144WSA
--
R1501
MG RESISTOR
QRE141J-102Y
NRSA02J-471X
QRE141J-102Y
R1502
MG RESISTOR
QRE141J-334Y
NRSA02J-102X
QRE141J-334Y
R1503
MG RESISTOR
QRE141J-124Y
NRSA02J-822X
QRE141J-124Y
R1504
MG RESISTOR
QRE141J-302Y
NRSA02J-103X
QRE141J-302Y
R1505
MG RESISTOR
QRE141J-512Y
NRSA02J-473X
QRE141J-512Y
R1506
MG RESISTOR
QRE141J-333Y
NRSA02J-101X
QRE141J-333Y
R1507
MG RESISTOR
QRE141J-333Y
NRSA02J-102X
QRE141J-333Y
R1508
MG RESISTOR
QRE141J-392Y
NRSA02J-273X
QRE141J-392Y
R1509
MG RESISTOR
QRE141J-122Y
NRSA02J-103X
QRE141J-122Y
R1510
MG RESISTOR
QRE141J-392Y
NRSA02J-563X
QRE141J-392Y
R1511
MG RESISTOR
QRE141J-122Y
NRSA02J-562X
QRE141J-122Y
R1512
MG RESISTOR
------
NRSA02J-332X
--
R1513
MG RESISTOR
------
NRSA02J-123X
--
R1514
MG RESISTOR
------
NRSA02J-123X
--
R1515
MG RESISTOR
------
NRSA02J-562X
--
R1516
MG RESISTOR
------
NRSA02J-273X
--
R1517
MG RESISTOR
QRE141J-123Y
NRSA02J-103X
QRE141J-123Y
R1518
MG RESISTOR
------
NRSA02J-102X
--
R1520
MG RESISTOR
------
NRSA02J-102X
--
R1521
MG RESISTOR
------
NRSA02J-471X
--
VR1501 V RESISTOR
------
QVPA606-103Z
--
VR1502 TRIM RESISTOR
------
QVP0039-683Z
--
C1501
CAPACITOR
QETC1CM-226Z
NCB21EK-473X
QETC1CM-226Z
C1502
E CAPACITOR
QETC1HM-104Z
QEKC1CM-106Z
QETC1HM-104Z
C1503
CAPACITOR
QETC1HM-105Z
NCB21HK-471X
QETC1HM-105Z
C1504
E CAPACITOR
QETC1HM-475Z
--
QETC1HM-475Z
C1505
CAPACITOR
QETC1HM-225Z
NDC21HJ-470X
QETC1HM-225Z
C1506
CAPACITOR
QETC1HM-104Z
NDC21HJ-470X
QETC1HM-104Z
C1507
CAPACITOR
QFV11HJ-473Z
NCB21EK-104X
QFV11HJ-473Z
C1508
MF CAPACITOR
QETC1HM-474Z
QFV11HJ-124Z
QETC1HM-474Z
C1509
CAPACITOR
QETC1HM-104Z
NCB21EK-104X
QETC1HM-104Z
C1510
CAPACITOR
QETC1HM-105Z
NCB21EK-473X
QETC1HM-105Z
C1511
E CAPACITOR
QETC1HM-105Z
--
QETC1HM-105Z
C1512
CAPACITOR
QETC1HM-105Z
NCB21EK-683X
QETC1HM-105Z
C1513
E CAPACITOR
QETN1HM-335Z
QEKC1EM-475Z
QETN1HM-335Z
C1514
E CAPACITOR
QETN1HM-106Z
QEKC1EM-475Z
QETN1HM-106Z
C1515
M CAPACITOR
QETC1HM-105Z
QFLC1HJ-683Z
QETC1HM-105Z
C1516
CAPACITOR
QETC1HM-106Z
NCB21EK-473X
QETC1HM-106Z
C1517
E CAPACITOR
QETC1HM-106Z
QETC1CM-227Z
QETC1HM-106Z
C1518
E CAPACITOR
QETC1HM-105Z
QETC1CM-106Z
QETC1HM-105Z
Notes : Mark
is same as left.
Mark -- is not used.