Sony SAT-A55 RM-Y802 Satellite TV System User Manual


 
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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)
BCE
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)
50.0
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
30.0 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
50.3 41.1
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 AM1