Panasonic NV-HS870EG, Service Manual

8.5. LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

N

N

N

0.1

C3517

5.1

2.3

(4.9)

0.1

3.0

3.0

B1

B3

A

EE

(4.8)

0

(0)

5.1

5.1

(4.2)

5.1

(5.1)

0.3

(-1.1)

 0.3

(4.8)

0.3

(0.8)

0

1.2

(-22.8)

0.7

(4.3)

5.0

5.1

(4.8)

0.3

1.2

1.7

2.8

5.0

3.2

3.4

5.0

0

(4.9)

0.1

(2.9)

2.1

(2.9)

2.1

(2.9)

2.1

3.6

3.6

2.1

2.5

3.1

2.5

2.5

(0.6)

4.7

4.9

0

2.5

2.5

2.6

2.5

(4.7)

0.6

5.0

0

2.6

2.6

2.9

2.2

5.0

1.5

2.2

2.2

1.5

5.0

0

0

1.3

(0.6)

4.7

4.8

(4.9)

0.1

(0)

4.8

(4.7)

0.6

(0)

4.8

4.8

1.2

0

4.8

5.0

(-22.8)

0.7

(-13.7)

0

(-0.7)

0.4

(4.5)

0.4

(4.9)

0

(-22.6)

5.2

5.1

AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE

AUDIO MAIN SIGNAL PATH IN REC MODE

VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE

VIDEO MAIN SIGNAL PATH IN REC MODE

1K

R3512

B11

B9

B8

B7

B5

B4

B2

A22

A21

A20

A17

A16

A15

A14

A13

A12

A11

A10

A9

A8

A7

A6

A5

A4

A3

A2

A1

3900

R3023

50V4.7

C3515

(OSC)

0

L3009

16V10

C3040

16V10

C3041

100

R3035

0.1

C3044

16V10

C3043

4.7

C3514

0

R3076

0

C3063

(AMP)

0

R3074

0

L3017

0

L3018

0

L3019

270P

C3504

3300

R3505

3300

R3506

270P

C3505

470

R3508

220P

C3503

1500

R3504

1K

R3507

82P

C3506

270P

C3508

1K

R3509

1500

R3502

0.1

C3516

6V47

C3507

2SB709A

Q3501

1200

R3503

2200

R3501

4.7

C3502

4.7

C3501

S

LP

3900

R3022

4.7

C3512

4.7

C3509

390K

R3510

390

R3513

1200

R3511

(AMP)

2SB709A

Q3502

4.7

C3511

(V.EE      :ON)

UN2113

QR3008

AN6308S

IC3503

82u

L3002

3300

R3005

S

V.EE

(PB:ON)

UN2211

QR3007

UN2113

QR3006

(PB:ON)

S

S-VHS

UN2213

QR3003

(VHS:ON)

(VHS:ON)

UN2113

QR3005

560

R3055

47P

C3057

180u

L3013

0

R3054

150P

C3058

56

R3053

(AMP)

2SD601A

Q3007

0

R3051

AN6308S

IC3502

0

R3047

2SB709A

Q3005

(AMP)

1800

R3048

22P

C3055

2700

R3049

1K

R3050

4.7u

L3012

(AMP)

2SD601A

Q3006

R

BIAS 5V

100P

C4017

S

PAL EP

S

HEAD SW

S

TRACKING ENV.

R

GND (SYS)

R

GND (HA2)

R

GND (HA)

R

GND

A

AUDIO HEAD L

A

AUDIO HEAD COM

A

AUDIO HEAD R

(TO CYLINDER UNIT)

P5001

AUDIO HEAD R

AUDIO HEAD COM

AUDIO HEAD L

GND (HA)

SP L

SP COM

SP R

LP/EP L

LP/EP COM

LP/EP R

10

9

8

7

6

5

4

3

2

1

J0JBC0000070

LB4005

A

GND (A)

R

TUNER AUDIO (N)

S

MUTE

ET REC

S

A

AUDIO IN (N)

A

AUDIO OUT (N)

       :OFF)

(D.A.REC

UN2111

QR4005

R

N SW 5V

S

D.A REC

4700

R4084

2200

R4085

(PB:ON)

2SD601A

Q4004

(PB:ON)

2SD1149

Q4003

(PAL EP      :ON)

XN1215

QR4003

5

4

3

1

2

 DRIVE)

(FULL ERASE

(FULL ERASE      :ON)

(BIAS      :ON)

(OSC)

GND

H

L

VCC

6

5

4

3

2

1

C1AB00001340

IC3002

VCC

GND

L

H

8

6

5

4

3

2

7

1

VCC

GND

L

H

8

7

6

5

4

3

2

1

AN3293S

IC3501

VCC

PB

REC

LP

SP

GND

SUB EMPHASIS

LOGIC

14

13

12

11

10

9

8

7

6

5

4

3

2

1

16V10

C4024

4700

R4088

7500

R4081

220P

C4018

CTL HEAD (+)

6

CTL HEAD (-)

5

A.HEAD (W)

4

A.HEAD (R)

3

(TO A/C HEAD)

P4002

AUDIO ERASE IN

1

GND (NA)

2

2SD602A

Q4002

3300

R4082

6

4

1

0.15

C4019

2

EQQ7QF026P

T4002

3

4700P

C4021

(TO FULL ERASE HEAD)

P4003

2

1

FULL ERASE IN

FULL ERASE GND

S

S

S

S

S

FULL ERASE

BIAS

SHORT DET

CTL HEAD (-)

CTL HEAD (+)

0.022

C4022

2SB710A

Q4001

4700

R4087

68u

L4002

10V47

C4020

6800

R4086

10V22

C4023

MA165

D4001

UN2212

QR4006

4700

R4090

10V22

C4025

6800

R4089

2SB710A

Q4005

68u

L4003

6V47

C4028

0.022

C4026

2SD602A

Q4006

6800

R4091

EQQ7QF025P

T4001

2200P

C4027

0.022

C4029

6

4

1

2

3

12

11

10

:TO Hi-Fi AUDIO SECTION

:TO SYSTEM CONTROL & SERVO SECTION

:TO POWER SUPPLY/RF SECTION

H

9

8

7

6

5

4

3

2

1

G

F

E

D

C

B

A

R

S

A

H

H

H

H

L

L

H

L

H

H

H

H

H

L

H

L

     WITH PAL COLOUR SIGNAL.(SP MODE)

NOTE:THE MEASUREMENT MODE OF THE DC VLOLTAGE IN THE BRACKETS(   )ON THIS DIAGRAM IS RECORD MODE

WITH PAL COLOUR SIGNAL.(SP MODE)

THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE

NV-HS870EG/B/EC     LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

42