Panasonic NVHV-60-LBS Service manual

DCS - OUT2003 - 001 - MS

Manual de Serviço

Descrições Gerais Procedimentos de Ajustes Diagramas Esquemáticos/Blocos Vista Explodida/Listas de Peças

ESPECIFICAÇÕES TÉCNICAS

ITEM ESPECIFICAÇÃO ITEM ESPECIFICAÇÃO

ALIMENTAÇÃO FONTE: 110-240 V, 50/60 HZ

CONSUMO: 11 watts

SISTEMA DE GRAVAÇÃO

SISTEMA DE SINTONIA

SAÍDA DE RF

VÍDEO

2 cabeças rotativas, varredura helicoidal NTSC / PAL-M VHF: CH2 ~ CH13

UHF: CH14 ~ CH69 CATV: CH5A & CHA-5 ~ CHEEE

VHF: CH3 ou 4

CABEÇAS:

ENTRADA:

SAÍDA:

75Ω terminado

2.5

66± dBµ, 75Ω terminado

3.0

4 cabeças rotativas Par L-R para gravação/reprodução Par L-R para reprodução Trick

Conector VIDEO IN (AV1: Traseiro) Conector VIDEO IN (AV2: Frontal)

1.0 Vp-p, 75Ω terminado

Conector VIDEO OUT (tipo Phono)

1.0 Vp-p, 75Ω terminado

NV-HV60LB-S

ÁUDIO

VELOCIDADES

CONDIÇÕES DE OPERAÇÃO

DIMENSÕES PESO

ACESSÓRIOS FORNECIDOS

Video Cassette Recorder

Mecanismo R4

CABEÇAS:

1 cabeça estacionária (áudio normal) 2 canais (estéreo Hi-Fi)

ENTRADA:

Conector AUDIO IN (AV1 Traseiro) Conector AUDIO IN (AV2 Frontal)

-10 dBV (316 mV), > 47kΩ

SAÍDA:

Conector AUDIO OUT (tipo Phono)

-8 dBV (400 mV), < 1kΩ SP: 33,3 mm/s

EP: 11,1 mm/s

Tempos de Gravação / Reprodução:

SP: 2 horas c/ fita tipo 120 min. (T-120) EP: 6 horas c/ fita tipo 120 min. (T-120)

Tempo de FF/REW: 1 minuto (c/ T-120) Tempo JET REW: 43 segundos (c/ T-120)

Temperatura : 5°C ~ 40°C Umidade : 35% ~ 80%

430 (L) x 89 (A) x 227 (P) mm 3,0 kg

1 pç. Controle Remoto 1 pç. Cabo RF 75Ω

Os valores dos pesos e dimensões são aproximados. As especificações estão sujeitas a alterações sem prévio aviso.

Divisão CS Setor Apoio Técnico

NV-HV60LB-S

8. DIAGRAMAS ESQUEMÁTICOS

8.1. DIAGRAMA ESQUEMÁTICO DA SEÇÃO DO TRANSFORMADOR

CAUTION

G

F

HOT

P1101 K2AA2H000007

AC INLET

E

D

C

(VOLTAGE CONTROL)

THE STRIPED FRAME INDICATES THE PRIMARY CIRCUIT TO DISTINGUISH THE PRIMARY FROM THE SECONDARY CIRCUIT.

PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVICE OF THE PRODUCTS.

C1122 330P

L1120 ELF15N003A

21

34

R1150 1M

R1154 1M

C1154

0.022

D1140 DF80S-6622

~

41

32

~

LR1150 VLP0392

123

R1153 330(2W)

+

-

Q1150

2SK2645

648

0

F1101 VSF0243C16

C1155 270P

2.2

D1151 AU01ZV2

D1110 ERZVA5Z471

Q1153 2SK2876

(VOLTAGE CONTROL)

648

-152

C1210 3300P

LB1210 0

R1155 100K

405

LB1121 0

C1121

0.033

R11621KR1163

100

C1143 400V68

LB1120 J0JKB0000028

C1123 F1BAF1020020

T1150 G4D2A0000113

P2

2

3

4

P1

5

B2

6

7

B1

8

R :TO POWER SUPPLY/RF SECTION

S :TO SYSTEM CONTROL & SERVO SECTION

T :TO TIMER SECTION

V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION

TL1009

18

C1280

TL1008

D1280

17

16

15

14

13

12

11

10

11EQS04

D1270 MA185

D1250 ERA85-009V5

D1251 ERA85-009V5

D1260 11EQS04

D1261 11EQS04

D1230 MA185

C1270 50V56

C1250 16V680

C1260 10V1000

C1230 50V56

IC1200 uPC1093J

L1250 22u

L1260 22u

C1251 16V47

C1261 10V100

D1180 MA7510

10V100

R1200 10K

TL1029

TL1015

TL1006

TL1038

UNREG 38V R

TLGND1

TO BOTTOM PLATE

THEATER (-)

THEATER (+)

TUNREG -29V

RUNREG 15V

RUNREG 6V S

RGND

S

V

R1161 100

B

NOTE1:WHEN MEASURE THE VOLTAGE OR WAVEFORM ON THE POWER TRANSFORMER

CIRCUIT,SET THE GND TERMINAL OF MEASURING POINT AS FOLLOWS.

PRIMARY SIDE.....

SECONDARY SIDE...

NOTE2:THE DC VOLTAGE INDICATED IN PRIMARY SIDE IS SHOWN THE VOLTAGE

WHEN INPUT AC IS 240V.

A

IMPORTANT SAFETY NOTICE: COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE.

R1160

0.47(1W)

2.2

Q1152

0

2SC3311A

(VOLTAGE CONTROL)

Q1151 2SC3311A

(VOLTAGE CONTROL)

12345678910

2.2

0.3

C1153

0.1

R1159

3.3

R1157

D1157

1600

MA4027L

16.3

0.9

Q1200 PC123ZY2

4

3

D1152

C1151

D1155

0.047

MA165

R1158 330

NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR

ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.

MA185

C1152

0.01

R1156 33

132

4.6 2.5

6.0

1

R1206 270

4.9

2

R1205 2200

C1200

0.1

R1204 12K

R1203 24K

R1202 2200

NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.

-30-

8.2. DIAGRAMA ESQUEMÁTICO DA FONTE / RF

NV-HV60LB-S

P :TO POWER TRANSFORMER SECTION

S :TO SYSTEM CONTROL & SERVO SECTION

T :TO TIMER SECTION

G

V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION

A :TO Hi-Fi AUDIO SECTION

P UNREG 38V

F

S POWER ON

P UNREG 6V

S CYLINDER VG

P UNREG 15V P GND

H

E

A AV 12VV

D

S GND T GND V GND A GND

R6302 6800

R1342 100K

C1341

0.01

C6305 25V4.7

C6302

0.01

C6303 6V47

QR1342 UN2112

(POWER ON:ON)

37.4 37.4

0.1

Q1342

0.6

2SD601A

(POWER ON :ON)

Q1341 2SC1959Y

(12V REG.)

15.0 12.1

12.9

D6303 MA4130NL

Q6305 2SD601A

(5V REG.)

6.1 5.1

5.8

D6306 MA4056NH

VIDEO MAIN SIGNAL PATH IN REC MODE

VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE

Q1352 2SC1959Y

(5V REG.)

6.1 5.1

5.9

H

TL1002

C1351

0.01

R6309 820

R1351 470

C1352 6V47

Q1354 2SC1959Y

(5V REG.)

5.16.1

5.9

D1351 MA4056NH

Q1351 2SC1959Y

(5V REG.)

6.1

5.9

AUDIO MAIN SIGNAL PATH IN REC MODE

AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE

LB7601

A10

L7605 10u

C7616 6V47

5.1

A7

L7601 10u

C7605

C7608

6V47

0.01

R7601

R7611

1K

0

C7601

D7602

50V1

MA4300NM

J0JBC0000041

L7608 0

C7614 1000P

R7606 J0JCC0000124

R7607 J0JCC0000124

TU7601 ENG56724G1

1

2

AUDIO OUT

3

CH SW

4

N.SW 5V

5

VTR/TV

6A9

VIDEO OUT

7

8

9

10

GND

11A8

CLOCK

12

DATA

13

14

N.SW 5V

15

16

UNREG 30V

17

IF OUT

C

V

TUNER VIDEO

S

AFC S-CURVE

A

SIF

S

SW2

S

SW1

S

IIC DATA

S

IIC CLOCK

V

RFC VIDEO OUT

A

RFC AUDIO OUT

A10

A1 A2 A3 A4 A5

A7 A8 A9

R6307 2200

C6301

0.01

Q6306 2SD601A

(5V REG.)

6.1 5.3

B

A SYSTEM CTL 5V

TS

S BACK UP 5V

S REG 5V

V VIDEO 5V

S

V TUNER 5V

AUDIO 5V

A

IMPORTANT SAFETY NOTICE: COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE.

12345678910

TW1004

D7754 B0JACE000001

C7752 6V330

D7752 MA700A

R7751 1K

B7751 CR2354-1GUF

6.0

D6305 MA4062NL

D7753 1SS254

D6302 RB441P

D7751 RB441P

NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.

A5

A4

A3

A2

A1

NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS

SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.

18

IF IN

19

SW1

20

SW2

21

22

SIF/QPSK

23

AFC S-CURVE

24

TUNER VIDEO

25

- 31-

NV-HV60LB-S

8.3. DIAGRAMA ESQUEMÁTICO DA SEÇÃO DO TIMER

P :TO POWER TRANSFORMER SECTION

R :TO POWER SUPPLY/RF SECTION

S :TO SYSTEM CONTROL & SERVO SECTION

F

P HEATER (+)

HEATER (-)P

E

P UNREG -29V

D

D7501 MA4220N

R7526 22

C7501 35V10

DP7501 A2BA00000211

S-VHSET

LP

SP

EP

R

VCR

REC

ON

OFF

D

CH

F+ P1 P2 P3 P4 P5 P6 P7 P8 NC P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 NC NC NC NC NC NC NC NC NC 7G 6G 5G 4G 3G 2G 1G NC NC F-

12 567891011121314151617181920212223242526272829303132333435363738394041 4445

R7525 820

R7530 10K

C7506

0.1

IC7501 M35502AFP

-26.7

-22.2

-26.7

-22.2

-22.6

-26.9

-17.6

-27.0

S1

S10

S11

S12

S13

S14

S15

S9

S8

S7

S6

S5

S4

S3

S2

S16

192021222324252627282930313233343536

S17

C7504

0.01

L

S DATA

S CLOCKCSA3A2A5A4VSS

123456789101112131415161718

4.0

4.3

3.0

5.1

S

S.DATA

S

S.CLOCK

S

C

FIP CS

R SYSTEM CTL 5V R GND

PLAY

S7502 EVQ11G09K

CH DOWN

S7507 EVQ11L09B

R7506 12K

R7505 12K

B

R7521 150K

T.REC

S7505 EVQ11L09B

A

R7516 150K

CH UP

S7506 EVQ11L09B

R7513 1800

R7514 1800

C7502 10P

OSC

VCCG1G2G3G4G5G6G7S18 VEE

2.3

5.1

-22.8

C7505 6V100

TIMER

EJECT

S7511 EVQ11L09B

TAPE REFRESH

S7503 EVQ11L09B

R7509 3900

R7517 3900

CHECK

S7501 EVQ11G09K

S7518 EVQ11G09K

REC

-22.8

-22.8 -27.2

R7503 3600

R7519 3600

PROG PLAY

S7519 EVQ11G09K

JET REW

S7509 EVQ11G09K

R7523 5100

R7518 5100

PROG GUIDE

S7516 EVQ11G09K

REW

S7510 EVQ11G09K

R7520 9100

R7502 9100

PICTURE MODE

S7520 EVQ11G09K

STOP

S7512 EVQ11G09K

R7527 20K

R7522 20K

POWER

S7515 EVQ11G09K

FF

S7513 EVQ11G09K

NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.

1234567 8

-32-

8.4. DIAGRAMA ESQUEMÁTICO DOS CIRCUITOS DE CONTROLE E SERVO

NV-HV60LB-S

KILLER

VCR/TV

MO/ST/SAP

PAL_CON (L)

CH_H_L

- 33-

NV-HV60LB-S

A22

A25 A24

R2519 8200

C2520

0.1

C2507

C2515

C2505

C2504

1000P

0.01

0.022

13 12 11 10 9 8 7 6 5 4 3 2 126

CNF PCI CT2 CT1 CST GND VG R IN F IN OUT2 L GND OUT1 VM2

LOWER SATURATION PREVENT CIRCUIT

DIFFERENTIAL AMP

SOFT SWITCH

DIFFERENTIAL AMP

0.022

C2506

0.22

STARTING CONTROL LOGIC

SELECTOR

MOTOR DRIVE SIGNAL GENERATOR

D2503 MA4160NM

TSD

R6401 100

CONTROL LOGIC

RRE-DRIVE

PRE-DRIVE

R6400 100

AMP AMP

MOTOR DRIVE

C2519

0.01

IC2501 C1AB00001479

IC6301 C0DBCHD00002

(5V SWITCHING REG.)

C6307

0.01

C6308 6V47

IC2502 C0DBZJG00005

(12V SWITCHING REG.)

4

5

61

OUT

A20

VIDEO 5V CYLINDER VG

C2571 25V220

3

SW

2

IN

A19

A21 A23

3

R2562 47K

UNREG 15V

P1531 (TO LOADING MOTOR)

LOAD MOTOR (-)

1

LOAD MOTOR (+)

2

UNREG 6V P

P2571 (TO CAPSTAN UNIT)

5V

1

UNREG 15V

2

CAP FG1

3

GND

4

CURR LIMIT

5

CAP ET

6

CAP R/F

7

GND

8

R R P

R2551 10K

DIFFERENTIAL AMP

EC PG+ PG- PG OUT PFG VCC COM VM M1 M2 RNF M3

14 15 16 17 18 19 20 21 22 23 24 2527

R2520

C2518 1000P

R2522 100

18K

C2508 1800P

R2521 1K

C2513 1

R2552 10K

C2551

0.056

C2552

0.056

PG/FG COMPOSER

C2501

0.1

C2502 6V220

L2501 0

R2523 100

C2511

0.1

R2515 220

C2509 16V22

C2510

0.1

R2514 220

R2501

1.2

C2512

0.1

R2516 220

R2503

1.5

IN SW GND

1245

D2501 0

H

P2501 (TO CYLINDER UNIT)

M1

1

M2

2

M3

3

COM

4

GND

5

PG (-)

6

PG (+)

7

RPOWER ON

12 13 14 15 16 17 18

-34-

19 20