JVC HRS7860EK - Service Manual Immediate Download

SERVICE MANUAL

VIDEO CASSETTE RECORDER

No. 82876

May 2001

This service manual is printed on 100% recycled paper.

HR-S7860EK

Regarding service information other than these sections, refer to the HR-S8850EK service manual (No. 82863).

Also, be sure to note important safety precautions provided in the service manual.

SPECIFICATIONS

PUSHOPEN

POUSSER

TV PR +

TV PR

0000

STOP

FIN

MEN

TV/VCR

DAILY/QTDN.

VPS/PDC

AUX

WEEKLY/HEBDO

PROG

30 SEC

AUDIO

1. , /

ABC

JKL

GHI

MNO

PQRS

TUV

]

WXYZ

DEF

DATE

START

DEBUT

ENTER/ENTR

EXPRESS

625

GENERAL

Power requirement

: AC 220 V 240 V `, 50 Hz/60 Hz

Power consumption

: on : 22 W, off : 3.8 W

Operating Temperature

: 5°C to 40°C

Storage Temperature

: 20°C to 60°C

Operating position

: Horizontal only

Dimensions (WxHxD)

: 400 mm x 94 mm x 278 mm

Weight

: 3.6 kg

Format

: S-VHS/VHS PAL standard

Maximum recording time :

(SP)

: 240 min. with E-240 video cassette

(LP)

: 480 min. with E-240 video cassette

(EP)

: 720 min. with E-240 video cassette

VIDEO/AUDIO

Signal system

: PAL-type colour signal and CCIR monochrome

signal, 625 lines/50 fields

Recording system

: DA4 (Double Azimuth) helical scan system

Signal-to-noise ratio

: 45 dB

Horizontal resolution :

(SP/LP)

: 250 lines (VHS)

400 lines (S-VHS)

(EP)

: 220 lines (VHS)

350 lines (S-VHS)

Frequency range

: 70 Hz to 10,000 Hz (Normal audio)

20 Hz to 20,000 Hz (Hi-Fi audio)

Input/Output

: 21-pin SCART connectors

(IN/OUT x 1, IN/DECODER x 1)

RCA connectors

(VIDEO IN x 1, AUDIO IN x 1, AUDIO OUT x 1)

S-Video 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 44.5 MHz 143 MHz/

143 MHz 470 MHz/

UHF 470 MHz 862 MHz

Aerial output

: UHF channels 22 69 (Adjustable)

Memory backup time

: Approx. 10 min.

ACCESSORIES

Provided accessories

: RF cable, Satellite Controller,

Infrared remote control unit,

`AA' battery x 2

Specifications shown are for SP mode unless otherwise specified.

E.& O.E. Design and specifications subject to change without

notice.

MODEL

HR-S8850EK

HR-S7860EK

ITEM

FLYING ERASE HEAD

USED

NOT USED

MALTU BRAND REMOTE CONTROL

USED

NOT USED

INSERT EDITING

USED

NOT USED

IR CORD

A, B

TABLE OF CONTENTS

DIFFERENT TABLE .................................................................................................................................................................. 1

4. CHARTS AND DIAGRAMS

4.1

REMOTE CONTROL SCHMEATIC DIAGRAM ............................................................................................................. 4-1

5. PARTS LIST

5.1

ELECTRICAL PARTS LIST

MAIN BOARD <03>. ......................................................................................................................................................... 5-1

The following table indicate main different points between models HR-S8850EK and HR-S7860EK.

REF.

MODEL

HR-S8850EK

HR-S7860EK

ITEM

306

REMOTE CONTROLLER

LP20873-007A

LP20878-010A

306A

COVER(BATTERY)

LP40254-006A

LP40610-002A

! 310

INST BOOK(EN)

LPT0479-001A

LPT0586-001A

PACKING AND ACCESSORY ASSEMBLY <M1>

The following tables indicate different parts number between models HR-S8850EK and HR-S7860EK.

Notes : Mark -- is not used.

REF.

MODEL

HR-S8850EK

HR-S7860EK

ITEM

! 501

FRONT PANEL ASSY

LP10333-036C

LP10333-031C

505

DRUM SUB ASSY

LP20981-013A

LP20981-011A

FINAL ASSEMBLY <M2>

REF.

MODEL

HR-S8850EK

HR-S7860EK

ITEM

PW1

MAIN BOARD ASSY

LPA10140-02C

LPA10140-08C

MAIN BOARD ASSEMBLY <03>

REF.

MODEL

HR-S8850EK

HR-S7860EK

ITEM

PW1

S JACK BOARD ASSY

LPA20009-01B

LPA20009-02B

J7102

S JACK

QND0085-001

QND0084-001

S JACK BOARD ASSEMBLY <36>

Printed in Japan

VICTOR COMPANY OF JAPAN, LIMITED

VIDEO DIVISION

S40894

5-1

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REF No.

PART No.

PART NAME, DESCRIPTION

REF No.

PART No.

PART NAME, DESCRIPTION

5.1

ELECTRICAL PARTS LIST

SECTION 5

PARTS LIST

SAFETY PRECAUTION

Parts identified by the

symbol are critical for safety. Replace only with specified part numbers.

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REF No.

PART No.

PART NAME, DESCRIPTION

REF No.

PART No.

PART NAME, DESCRIPTION

******************************

MAIN BOARD ASSEMBLY <03>

PW1

LPA10140-08C

MAIN BOARD ASSY

IC1

JCP8050-MSA

IC201

LC74775-9750

IC3001

HD6432194SBD04F IC(MCU)

IC3002

IC-PST3427U-X

IC3003

24LC32A-I/SN-X

or BR24C32F

or HN58X2432FPI

IC3004

BA6956AN

IC5301

L5431

or MM1431AT

or UTCTL431

IC7001

PT6312LQ

or UPD16312GB/H/

IC7003

GP1U291Q

IR DETECT UNIT

or PIC-28143LJ

IR DETECT UNIT

or PIC-37143LJ

IR DETECT UNIT

or PNA4652M00YC

IR DETECT UNIT

2SC4081/S/-X

TRANSISTOR

2SC4081/S/-X

TRANSISTOR

2SC4081/S/-X

TRANSISTOR

2SC4081/S/-X

TRANSISTOR

2SB1218A/QR/-X

TRANSISTOR

or 2SA1576A/QR/-X

TRANSISTOR

or 2PA1576/R/-X

TRANSISTOR

2SD1819A/QRS/-X

TRANSISTOR

or 2SC4081/QRS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

2SD1819A/QRS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

or 2SC4081/QRS/-X

TRANSISTOR

2SB1218A/QR/-X

TRANSISTOR

or 2SA1576A/QR/-X

TRANSISTOR

or 2PA1576/R/-X

TRANSISTOR

Q10

2SA1576A/QR/-X

TRANSISTOR

Q17

DTC144WU

TRANSISTOR

or PDTC144WU

TRANSISTOR

or RN1309

TRANSISTOR

or UN521E

TRANSISTOR

Q18

2SB1218A/QR/-X

TRANSISTOR

or 2PA1576/R/-X

TRANSISTOR

or 2SA1576A/QR/-X

TRANSISTOR

Q21

2SB1218A/QR/-X

TRANSISTOR

or 2SA1576A/QR/-X

TRANSISTOR

or 2PA1576/R/-X

TRANSISTOR

Q24

2SB1218A/QR/-X

TRANSISTOR

or 2PA1576/R/-X

TRANSISTOR

or 2SA1576A/QR/-X

TRANSISTOR

Q25

DTC144WU

TRANSISTOR

or PDTC144WU

TRANSISTOR

or RN1309

TRANSISTOR

or UN521E

TRANSISTOR

Q38

2SD1819A/QRS/-X

TRANSISTOR

or 2SC4081/QRS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

Q41

DTC144WU

TRANSISTOR

or PDTC144WU

TRANSISTOR

or RN1309

TRANSISTOR

or UN521E

TRANSISTOR

Q207

2SB1218A/QR/-X

TRANSISTOR

or 2PA1576/R/-X

TRANSISTOR

or 2SA1576A/QR/-X

TRANSISTOR

Q208

2SD1819A/QRS/-X

TRANSISTOR

or 2SC4081/QRS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

Q2001

2SC4081/QRS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

or 2SD1819A/QRS/-X

TRANSISTOR

Q2002

2SC4081/QRS/-X

TRANSISTOR

or 2SD1819A/QRS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

Q2003

DTA144WU

TRANSISTOR

or PDTA144WU

TRANSISTOR

or RN2309

TRANSISTOR

or UN511E

TRANSISTOR

Q2004

DTC114EU

TRANSISTOR

or PDTC114EU

TRANSISTOR

or RN1302

TRANSISTOR

or UN5211

TRANSISTOR

Q2051

2SC4081/QRS/-X

TRANSISTOR

or 2SD1819A/QRS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

Q2052

2SA1576A/QR/-X

TRANSISTOR

or 2PA1576/R/-X

TRANSISTOR

or 2SB1218A/QR/-X

TRANSISTOR

Q2053

DTC144WU

TRANSISTOR

or PDTC144WU

TRANSISTOR

or RN1309

TRANSISTOR

or UN521E

TRANSISTOR

Q2054

2SA1576A/QR/-X

TRANSISTOR

or 2SB1218A/QR/-X

TRANSISTOR

or 2PA1576/R/-X

TRANSISTOR

Q2055

DTC144WU

TRANSISTOR

or PDTC144WU

TRANSISTOR

or RN1309

TRANSISTOR

or UN521E

TRANSISTOR

Q2061

2SC4081/QRS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

or 2SD1819A/QRS/-X

TRANSISTOR

Q2062

2SA1576A/QR/-X

TRANSISTOR

or 2SB1218A/QR/-X

TRANSISTOR

or 2PA1576/R/-X

TRANSISTOR

Q2063

DTC144WU

TRANSISTOR

or PDTC144WU

TRANSISTOR

or RN1309

TRANSISTOR

or UN521E

TRANSISTOR

Q2251

DTA144WU

TRANSISTOR

or PDTA144WU

TRANSISTOR

or RN2309

TRANSISTOR

or UN511E

TRANSISTOR

---------------

-----------------------

-----------------------------------------------------

------------- ---

-----------------------

------------------------------------------------------

REF No.

PART No.

PART NAME, DESCRIPTION

REF No.

PART No.

PART NAME, DESCRIPTION

5-2

Q2252

DTC114EU

TRANSISTOR

or PDTC114EU

TRANSISTOR

or RN1302

TRANSISTOR

or UN5211

TRANSISTOR

Q3001

2SD1819A/QRS/-X

TRANSISTOR

or 2SC4081/QRS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

Q3002

PTZ-NV16

PHOTO TRANSISTOR

or PTZ-NV16A

PHOTO TRANSISTOR

Q3003

PTZ-NV16

PHOTO TRANSISTOR

or PTZ-NV16A

PHOTO TRANSISTOR

Q3004

2SD1819A/QRS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

or 2SC4081/QRS/-X

TRANSISTOR

Q3005

2SD1819A/QRS/-X

TRANSISTOR

or 2SC4081/QRS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

Q3007

UN521E

TRANSISTOR

or RN1309

TRANSISTOR

or DTC144WU

TRANSISTOR

or PDTC144WU

TRANSISTOR

Q3901

UN521E

TRANSISTOR

or RN1309

TRANSISTOR

or DTC144WU

TRANSISTOR

or PDTC144WU

TRANSISTOR

Q4001

UN5211

TRANSISTOR

or RN1302

TRANSISTOR

or DTC114EU

TRANSISTOR

or PDTC114EU

TRANSISTOR

Q5101

2SK2632-CB14

POWER MOS FET

or 2SK2632

POWER MOS FET

or 2SK2129

POWER MOS FET

or 2SK2129-LT

POWER MOS FET

Q5102

2SD2144S/UV/-T

TRANSISTOR

Q5301

2SB1256

TRANSISTOR

Q5302

2SD2375/QP/

TRANSISTOR

Q5303

2SD1819A/RS/-X

TRANSISTOR

or 2SC4081/RS/-X

TRANSISTOR

or 2PC4081/R/-X

TRANSISTOR

Q5304

2SC3616/ML/-T

TRANSISTOR

Q5305

DTA114EU

TRANSISTOR

or PDTA114EU

TRANSISTOR

or UN5111

TRANSISTOR

or RN2302

TRANSISTOR

Q5306

DTC114EU

TRANSISTOR

or PDTC114EU

TRANSISTOR

or RN1302

TRANSISTOR

or UN5211

TRANSISTOR

Q5308

2SA1576A/RS/-X

TRANSISTOR

Q5311

DTC114TU

TRANSISTOR

or RN1311

TRANSISTOR

or UN5215

TRANSISTOR

or PDTC114TU

TRANSISTOR

Q5312

2SD2144S/UV/-T

TRANSISTOR

Q5318

DTA114EU

TRANSISTOR

or PDTA114EU

TRANSISTOR

or UN5111

TRANSISTOR

or RN2302

TRANSISTOR

Q5320

DTC114EU

TRANSISTOR

or PDTC114EU

TRANSISTOR

or RN1302

TRANSISTOR

or UN5211

TRANSISTOR

Q5322

DTC114TU

TRANSISTOR

or PDTC114TU

TRANSISTOR

or UN5215

TRANSISTOR

or RN1311

TRANSISTOR

Q5323

2SB927/ST/-T

TRANSISTOR

Q6030

2SB1218A/QR/-X

TRANSISTOR

or 2PA1576/R/-X

TRANSISTOR

or 2SA1576A/QR/-X

TRANSISTOR

Q6031

DTC114EU

TRANSISTOR

or PDTC114EU

TRANSISTOR

or UN5211

TRANSISTOR

or RN1302

TRANSISTOR

Q6032

DTC114EU

TRANSISTOR

or PDTC114EU

TRANSISTOR

or UN5211

TRANSISTOR

or RN1302

TRANSISTOR

Q7201

2SC1317/RS/-T

TRANSISTOR

DA204U

DIODE

MTZJ5.1C

ZENER DIODE

D201

QRE141J-152Y

RESISTOR

1.5kØ,1/4W

D202

QRE141J-101Y

RESISTOR

100Ø,1/4W

D203

QRE141J-101Y

RESISTOR

100Ø,1/4W

D2202

MTZJ8.2C

ZENER DIODE

D3001

LNB2301L01VI

LE DIODE

D3002

1SS133

DIODE

or 1SS270A

DIODE

D3003

RD39ES/B3/-T2

ZENER DIODE

or MTZJ39C

ZENER DIODE

D3004

11ES2

DIODE

or 1A3G

DIODE

D3005

11ES2

DIODE

or 1A3G

DIODE

D3008

1SS355

DIODE

D4001

QUY153-050Y

IM BUS WIRE

D4002

QUY153-050Y

IM BUS WIRE

D5001

S1WB/A/60-4102

BRIDGE DIODE

or S1WB(A)60F4072X BRIDGE DIODE

or S1WB/A/60-X

BRIDGE DIODE

D5101

AU01

FR DIODE

or 1SR153-400-T2

FR DIODE

or 10ELS4

FR DIODE

or ERA18-04-T2

FR DIODE

D5102

AU01

FR DIODE

or ERA18-04-T2

FR DIODE

or 10ELS4

FR DIODE

or 1SR153-400-T2

FR DIODE

D5103

1SS133

DIODE

or 1SS270A

DIODE

D5105

1SS133

DIODE

or 1SS270A

DIODE

D5201

AK04

DIODE

or 1S4

SB DIODE

or 11EQS04

SB DIODE

D5203

AU01Z

FR DIODE

or 10ELS2

FR DIODE

D5204

AU01Z

FR DIODE

or 10ELS2

FR DIODE

D5206

FMB-24

BARRIER DIODE

or FSQ05A04B

SB DIODE

or SB640FCT

SB DIODE