Sony SAT-A55 RM-Y802, SAT-B55 Board * Mark List 2/4, Board Transistor Board IC Voltage List 2/4

Page 18

SAT-A55/B55

Schematic Diagram of A Board (2/4)

A BOARD TRANSISTOR

A BOARD IC VOLTAGE LIST (2/4)

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.

 

IC206

pin

volt

10.0

21.6

30.0

4GND

55.6

61.2

75.1

85.1

IC290

pin

volt

1^33.9/34.5

2^14.2/19.3

30.8

4GND

51.3

6^34.6/35.1

7^34.5/35.1

8^34.5/35.1

IC240

pin

volt

10.6

20.0

3GND

4-5.0

5GND

60.0

70.0

85.0

IC300

pin

volt

10.6

20.4

30.4

4-5.0

50.0

60.0

70.0

85.0

IC301

pin

volt

10.6

20.3

30.3

4-5.0

50.3

60.3

70.3

85.0

IC622

pin

volt

I

-8.0

O-5.0

G 0.0 IC623

pin

volt

14.8

23.6

3-72.5

4-65.0

IC624

pin

volt

I

2.5

O0.0

G 3.7 IC640

pin

volt

I

16.6

O11.85

G 0.0

IC700

pin

volt

1-57.8

2-62.5

3*

IC800

pin

volt

10.0

20.0

31.6

41.1

52.2

6GND

75.0

82.2

IC801

pin

volt

10.0

20.0

30.0

4-5.0

50.0

60.0

70.0

85.0

IC802

pin

volt

10.0

20.0

30.0

4-5.0

50.0

60.0

70.0

85.0

All Voltages are in V

^Voltages will switch between these two values (#/#) approximately every 5 seconds.

— 24 —

— 25 —

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

 

SAT-A55

SAT-B55

Q801

2SD601A-Q

#

Q802

2SD601A-Q

#

R800

10K

#

R801

1K

#

R802

1K

#

# = NOT MOUNTED

—26

3. SATA50 A Board2.p65

1

1/14/00, 10:50 AM

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Contents Model Specifications For Digital Satellite Receiver Input JacksSafety CHECK-OUT For Satellite AntennasSAT-A55/B55 Chassis SAN-18D3 Electrical Parts List Table of ConentsGeneral Connecting the Satellite Dish Antenna and Telephone Line GeneralAdding a VCR and Audio System Inserting the Access Card Using Your Remote Control RM-Y139 Remote Control SAT-B55 model Troubleshooting Troubleshooting Section Disassembly Section Service TestSAT-A55/B55 SAT-A55/B55 Section Diagrams SC Board Schematic Diagram HB Board Schematic Diagram Smart Card Front PanelBoard * Mark List 1/4 # = not MountedBoard * Mark List 2/4 Board Transistor Board IC Voltage List 2/4SAT-A55 SAT-B55 Board * Mark List 3/4 Board * Mark List 4/4 IC CS492CLDiode Transistor CrystalBoard Conductor Location Semiconductors BUTTON, Multi Section Exploded ViewsGUIDE, LED Foot 10 * 4-074-791-01 CASE, LowerLABEL, Model Number Mount ASSY, ReflectorREFLECTOR, Mounting Base ARM ASSY, LNBSection Electrical Parts List CapacitorElect CAP,ELECT 2KVDiode ConnectorFilter SAT-A55 onlyJack FuseFerrite Bead CoilResistor RES, ChipMetalchip Short Modulator SwitchCHIP, Network TransformerVaristor Remote CommanderTuner Chip ConductorSAT-A55/B55 SAT-A55/B55 Sony Corporation