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SERVICE MANUAL
VIDEO CASSETTE RECORDER
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
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)
CABLE/
MBR SET
TV
DBS
A/B
POWER
TV/VCR
A. MONITOR
DISPLAY
1
2
3
2
4
5
6
DBS
DAILY(M-F)
WEEKLY
7
8
9
AUX
C.RESET
0
CANCEL
TIMER
4
START
STOP
DATE
CH
EXPRESS PROGRAMMING
1
PROG
PROG
SP/EP
SKIP SEARCH
CHECK
PLAY
POWER
STOP
SHUTTLE
PLUS
DIGITAL TBC/NR
S-VIDEO
VIDEO
(MONO)L—AUDIO—R
S-VHS ET
MULTI BRAND
REMOTE CONTROL UNIT
(The specifications shown pertain specifically to the model HR-S7800U)
This service manual is made from all recycled paper.
COPYRIGHT © 2000 VICTOR COMPANY OF JAPAN, LTD.
REW
FF
MENU
PLAY
SP EP
CH
VCR
REC
STOP/EJECT
PAUSE
OK
TUNER
Tuning system
Channel coverage
VHF
UHF
CATV
RF output
TIMER
Clock reference
Program capacity
Memory backup time
ACCESSORIES
Provided accessories
Specifications shown are for SP mode unless specified otherwise.
E. & O.E. Design and specifications subject to change without notice.
: Frequency-synthesized tuner
: Channels 2–13
: Channels 14–69
: 113 Channels
: Channel 3 or 4 (switchable; preset
to Channel 3 when shipped) 75 Ω,
unbalanced
: Quartz
: 1-year programmable timer/
8 programs
: Approx. 3 min.
: 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
No. 82806
May 2000
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Table of Contents
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Summary of Contents for JVC HR-S2110T
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Page 1: Specifications
SERVICE MANUAL VIDEO CASSETTE RECORDER HR-S2110T/S6700KR/S7800U/U(C) CABLE/ MBR SET POWER TV/VCR A. MONITOR DISPLAY DAILY(M-F) WEEKLY C.RESET CANCEL TIMER START STOP DATE EXPRESS PROGRAMMING PROG PROG SP/EP SKIP SEARCH CHECK PLAY POWER MENU STOP PLAY SHUTTLE PLUS DIGITAL TBC/NR S-VIDEO VIDEO (MONO)L—AUDIO—R... -
Page 2: Table Of Contents
MAIN,A/C HEAD, S JACK, R.PAUSE, C.BOX AND LOADING MOTOR CIRCUIT BOARDS ............... 4-7 3D DIGITAL/2M CIRCUIT BOARD ..............................4-10 DEMODULATOR CIRCUIT BOARD [HR-S6700KR] ........................... 4-11 REMOTE CONTROL SCHEMATIC DIAGRAM [HR-S2110T/S6700KR] ..................... 4-12 5. PARTS LIST (5-1 to 5-4) CABINET AND CHASSIS ASSEMBLY <M2> ............................5-1 ELECTRICAL PARTS LIST .................................. - Page 3 The following table indicate different parts number between models HR-S4800U, HR-S7800U, HR-S7800U(C), HR-S6700KR and HR-S2110T. PACKING AND ACCESSORY ASSEMBLY <M1> REF. MODEL HR-S4800U HR-S7800U HR-S7800U(C) HR-S6700KR HR-S2110T ITEM PACKING CASE LP30658-013A LP30658-022A LP30658-026A LP30658-029A REMOTE CONTROLLER LP20303-015A LP20878-004B 306A COVER(BATTERY)
- Page 4 MAIN BOARD ASSEMBLY <03> REF. MODEL HR-S4800U HR-S7800U HR-S7800U(C) HR-S6700KR HR-S2110T ITEM 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...
- Page 5 2D DIGITAL BOARD ASSEMBLY <05> REF. MODEL HR-S4800U HR-S7800U HR-S7800U(C) HR-S6700KR HR-S2110T ITEM 2D DIGITAL BOARD ASSY LPA10090-01B — — — — 3D DIGITAL/2M BOARD ASSEMBLY <05> REF. MODEL HR-S4800U HR-S7800U HR-S7800U(C) HR-S6700KR HR-S2110T ITEM 3D DIGITAL/2M BOARD ASSY —...
- Page 6 REF. MODEL HR-S4800U HR-S7800U HR-S7800U(C) HR-S6700KR HR-S2110T ITEM C1519 E CAPACITOR — — — QETC1CM-106Z — C1520 E CAPACITOR — — — QETC1CM-106Z — C1521 E CAPACITOR QETC1HM-106Z — QETC1HM-106Z C1522 E CAPACITOR — — — QEKC1CM-106Z — C1523 CAPACITOR —...
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Page 7: Electrical Adjustment (3-1 To 3-7)
SECTION 3 ELECTRICAL ADJUSTMENT 3.1 PRECAUTION Jig RCU The following adjustment procedures are not only necessary after replacement of consumable mechanical parts or board assemblies, but are also provided as references to be referred to when servicing the electrical circuitry. In case of trouble with the electrical circuitry, always begin a INITIAL MODE service by identifying the defective points by using the meas-... -
Page 8: Servo Circuit
(1) Record the signal (A2) in the mode (B1), and play back the recorded signal. (2) Press the channel buttons (+, –) simultaneously to enter the manual tracking mode. This also brings tracking to the center (centre). (3) Set the VCR to the FWD slow mode. (4) Transmit the code (F) from the Jig RCU to adjust so that Fig. - Page 9 3.3.2 EE Y level Signal (A1) • Ext. input (A2) • Color (colour) bar signal [NTSC] Mode • EE Y level Equipment • Oscilloscope Measuring point (D) • Y OUT terminal (75Ø terminated) H. rate EVR mode (F1) • Jig RCU: Code “57” EVR address (F2) •...
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Page 10: Audio Circuit
Note: 3.3.6 AUTO PICTURE initial setting • After adjusting, always perform the confirmation and Signal (A1) • Ext. input re-adjustment of the item 3.4.1. (A2) • Video: Optional (A3) • VHS tape • EE ¥ Auto adjust (SP/EP REC ¥ PB) Mode Adjustment part (F) •... -
Page 11: Demodulator Circuit
GND (Ground). RF signal : 70 dBµ / 75 Ø , color bar 87.5% modulation. (P/S1 = 13 dB, P/S2 = 20 dB) 3.5.3 Stereo filter [HR-S2110T, S7800U/U(C)] Signal • RF signal (Audio: No signal) 3.5.1 Input level [HR-S2110T, S7800U/U(C)] Mode •... - Page 12 3.5.4 Separation - 1 [HR-S2110T, S7800U/U(C)] 3.5.6 SAP VCO [HR-S2110T, S7800U/U(C)] Signal • RF signal Signal • No. signal (Audio: L-ch 300 Hz 14% modulated) Mode • Tuner Mode • Tuner • EE • EE Equipment • Frequency counter Equipment •...
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Page 13: Syscon Circuit
3.5.8 Sub DET [HR-S6700KR] 3.6 SYSCON CIRCUIT Signal • RF signal (sound carrier: S2) Note: Mode • Tuner • When perform this adjustment, remove the Mechanism • EE assembly. Equipment • Audio level meter Measuring point (D) • IC1501 pin 26 3.6.1 Timer clock Adjustment part (F) •... -
Page 14: Charts And Diagram (4-1 To 4-12)
SECTION 4 CHARTS AND DIAGRAM BOARD INTERCONNECTIONS OPEN S IN S OUT ANT OUT ANT IN OPEN R.PAUSE/ AV COMPU ( Page 4-16 ) -LINK OPEN OPEN CABLE BOX CTL LED RETURN ( Page 4-16 ) CABLE BOX CTL LED RETURN ONLY USED ( VIDEO/AUDIO Page 4-5 ) - Page 15 NOTE : How to find the page showing the continuative schematic diagram Example ) TO SYSCON ( Page 4- ) : Refer to the HR-S4800U service manual ( NO.82792 ) TO SYSCON ( Page 4- Refer to this sevice manual OPEN AC120V 60Hz...
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Page 16: Digital/2M Schematic Diagram
3D DIGITAL/2M SCHEMATIC DIAGRAM OPEN OPEN OPEN OPEN OPEN DTC124TUA 2SA1576A 2SA1576A OPEN OPEN OPEN OPEN TO S-SUB CN501 OPEN OPEN DTC144WUA OPEN 2SA1576A 2SA1576A I2C DATA A/V I2C CLK A/V 2SC4081 OPEN /QRS 2SA1576A R1461 OPEN 2SC4081 2SC4081 /QRS /QRS OPEN OPEN... - Page 17 When ordering parts , be sure to order according to NOTE : the Part Number indicated in the Parts List. 2SA1576A OPEN OPEN OPEN OPEN 2SA1576A OPEN 2SC4081 /QRS 2SA1576A 2SC4081 /QRS OPEN 3D DIGITAL/2M...
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Page 18: Demodulator Schematic Diagram [Hr-S6700Kr]
DEMODULATOR SCHEMATIC DIAGRAM [HR-S6700KR] TO MAIN ( TUNER ) CN6701 MODE SEL DEMOD ( R ) DEMOD ( L ) - Page 19 DTC144WSA 0.0033 Q1501 2SC1740S/QRS...
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Page 20: Main,A/C Head, S Jack, R.pause, C.box And Loading Motor Circuit Boards
MAIN , A/C HEAD , S JACK , R.PAUSE , C.BOX AND LOADING MOTOR CIRCUIT BOARDS DANGEROUS VOLTAGE 03 MAIN LPB10089-001C... - Page 21 36 S JACK LPB20009-001B 06 R.PAUSE LPB10089-001C 92 C.BOX LPB10089-001C [HR-S7800U/U ( C ) ] 12 A/C HEAD LPB10010-001A 55 LOADING MOTOR LPB10010-001A...
- Page 22 COMPONENT PARTS LOCATION GUIDE <MAIN> REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION C509 C3028 CN3004 L502 R2053 R3100 R6650 CAPACITOR C510 C3029 CN3005 L503 R2054 R3201 R6651 C511 C3030 CN3007 L901 R2055...
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Page 23: Digital/2M Circuit Board
3D DIGITAL/2M CIRCUIT BOARD 05 3D DIGITAL/2M LPB10105-001B COMPONENT PARTS LOCATION GUIDE 3D DIGITAL/2M REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION C1461 L1404 R1405 R1439 CAPACITOR C1429 C1430 C1462 L1405 R1406 R1440 C1401 C1432 C1463 L1406 R1407 R1441... -
Page 24: Demodulator Circuit Board [Hr-S6700Kr]
DEMODULATOR CIRCUIT BOARD [HR-S6700KR] 14 DEMOD PB11091 COMPONENT PARTS LOCATION GUIDE DEMODULATOR REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION CAPACITOR C1515 C1530 R1502 R1517 C1516 R1503 R1518 C1501 CONNECTOR C1517 R1504 R1520 C1502 CN1501 C1518 R1505 R1521 C1503 C1519 R1506... -
Page 25: Remote Control Schematic Diagram [Hr-S2110T/S6700Kr]
REMOTE CONTROL SCHEMATIC DIAGRAM [HR-S2110T/S6700KR] 4-12... -
Page 26: Parts List (5-1 To 5-4)
< > CABINET AND CHASSIS ASSEMBLY BEWARE OF BOGUS PARTS Parts that do not meet specifications may cause trouble in regard to safety and performance. We recommend that genuine JVC parts be used. 518B (HR-S6700KR HR-S2110T) 518A 518C DEMOD BOARD ASSY <14>... -
Page 27: Cabinet And Chassis Assembly M2
REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -... -
Page 28: Electrical Parts List
ELECTRICAL PARTS LIST REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -... - Page 29 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
- Page 30 JVC SERVICE & ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP. Head office 1700 Valley Road Wayne, New Jersey 07470-9976 (973)315-5000 10 New Maple Avenue Pine Brook, New Jersey 07058-9641 (973)396-1000 East Coast (630)851-7855 705 Enterprise Street Aurora, Illinois 60504-8149...