Pioneer PRA-BD11 Service Manual page 46

1
4. Major points to measure, such as those for the power and ground
A
B
DOOB ASSY
B
C
Major points to measure
Pin No. Signal Name
TP8611 +5V
TP8612 GND
D
TP8613 +5V
TP8614 +3.3V
TP8615 +2.5V
TP8616 GND
TP8635 27MHz CLK
TP8638 36.864MHz CLK
TP8640 18.432MHz CLK
TP8641 GND
TP8660 TEST MODE
NTSC /PAL
TP8661
E
TP8666 +5V
TP8670 +3.3V
TP8662 TXD
TP8667 GND
F
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2
Power supply (input of CN8601)
Ground
Power supply (after the overcurrent protection circuit passage)
Power supply (convert +5V to +3.3V by regulator)
Power supply (convert +5V to +2.5V by regulator)
Ground
27MHz clock
36.864MHz clock (generates from 27MHz clock)
18.432MHz clock
Ground
Test mode setting (operate together with S8602 BSH1015 DIP switch 1)
NTSC/PAL setting in the test mode (operate together with S8602 BSH1015 DIP
switch 2)
Power supply (after the overcurrent protection circuit passage for RS-232C I/F)
Power supply (converts +5V to +3.3V by regulator for RS-232C I/F)
TxD output for RS-232C I/F (+3.3V CMOS level)
Ground
PRA-BD11
2
3
Description
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4
SIDE A
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