A board schematic (2/4) – Sony SAT-B55 RM-Y139 User Manual

Page 18

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Schematic Diagram of A Board (2/4)

SAT-A55/B55

A BOARD (*) MARK LIST (2/4)

SAT-A55

SAT-B55

Q801

2SD601A-Q

#

Q802

2SD601A-Q

#

R800

10K

#

R801

1K

#

R802

1K

#

# = NOT MOUNTED

A BOARD TRANSISTOR
VOLTAGE LIST (2/4)

B

C

E

Q201

2.0

5.0

2.0

Q202

5.0

0.0

0.0

Q203

0.0

29.0

0.0

Q204

^13.7/18.8

1.2

^13.7/18.8

Q240

0.5

5.0

0.0

Q241

0.1

-0.5

0.0

Q290

0.7

36.6

^14.2/19.3

Q301

0.3

7.2

0.0

Q302

-0.3

7.8

-0.9

Q630

32.3

50.0

32.0

Q631

11.8

42.2

15.0

Q632

15.0

42.4

14.6

Q650

17.8

1.6

11.8

Q651

5.0

11.8

4.5

Q652

4.5

5.8

5.2

Q653

5.1

11.8

5.1

Q654

0.0

5.8

0.0

Q655

6.0

12.0

5.0

Q800

0.0

5.0

0.0

Q801

-5.0

0.0

GND

Q802

-5.0

0.0

GND

All Voltages are in V

^ Voltages will switch between these two values (#/#)

approximately every 5 seconds.

A BOARD IC VOLTAGE LIST (2/4)

5

0.0

pin

volt

6

0.0

pin

volt

1

0.0

7

0.0

1

-57.8

2

1.6

8

5.0

2

-62.5

3

0.0

3

*

4

GND

pin volt

5

5.6

1

0.6

pin

volt

6

1.2

2

0.3

1

0.0

7

5.1

3

0.3

2

0.0

8

5.1

4

-5.0

3

1.6

5

0.3

4

1.1

pin

volt

6

0.3

5

2.2

1

^33.9/34.5

7

0.3

6

GND

2

^14.2/19.3

8

5.0

7

5.0

3

0.8

8

2.2

4

GND

pin volt

5

1.3

I -8.0

pin

volt

6

^34.6/35.1

O

-5.0

1

0.0

7

^34.5/35.1

G

0.0

2

0.0

8

^34.5/35.1

3

0.0

pin volt

4

-5.0

pin volt

1

4.8

5

0.0

1

0.6

2

3.6

6

0.0

2

0.0

3

-72.5

7

0.0

3

GND

4

-65.0

8

5.0

4

-5.0

5

GND

pin volt

pin

volt

6

0.0

I 2.5

1

0.0

7

0.0

O

0.0

2

0.0

8

5.0

G

3.7

3

0.0

4

-5.0

pin volt

pin

volt

5

0.0

1

0.6

I 16.6

6

0.0

2

0.4

O

11.85

7

0.0

3

0.4

G

0.0

8

5.0

4

-5.0

All Voltages are in V

^ Voltages will switch between these two values (#/#)

approximately every 5 seconds.

IC640

IC206

IC300

IC290

IC240

IC622

IC623

IC802

IC700

IC301

IC800

IC801

IC624

3. SATA50 A Board2.p65

1/14/00, 10:50 AM

1

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