Sony FDL-PT222 service manual Board

– A Board –

1

2

3

4

5

A BOARD

DIODE

*

A

D406

G-5

6

D601

G-4

3

D602

D-4

5

D603

G-4

4

D604

C-5

3

D605

C-4

3

D701

D-3

–

B

IC

IC501

G-5

TRANSISTOR *

Q401 G-5 1

Q601

C-4

2

Q602

D-4

2

Q603

F-4

2

C

Q610

C-5

2

Q701 G-3 2

Q702 G-3 2

VARIABLE

RESISTOR

RV450

C-6

RV501

D-5

D

RV601

C-5

A BOARD IC VOLTAGE LIST

Pin

Volt

< Component Side >

IC501

1

-

E

2

0

3

0.6

4

GND

5

GND

6

1.3

7

3.4

8

-

F

A BOARD TRANSISTOR VOLTAGE LIST

G

B

C

E

Q401

13.9

30.5

13.4

Q601

0.5

1.2

GND

Q602

0.7

3.1

0.2

Q603

0.2

3.0

GND

Q610

30.7

0.5

30.7

H

Q701

0

3.0

GND

Q702

0

3.0

GND

I

< Conductor Side >

– 21 –

– 22 –