Pioneer PRA-BD11 Service Manual page 47

5
5. Points to check during servicing
Checker chips are provided for various power supplies, ground, and clock signals for easier measuring with an oscilloscope
using a probe.
B
DOOB ASSY
Major points to measure
Pin No. Signal Name
TP8601 +5V
TP8602 GND
TP8603 +5V
TP8604 +3.3V
TP8605 +2.5V
TP8606 GND
TP8608 27MHz CLK
TP8607 36.864MHz CLK
TP8609 18.432MHz CLK
TP8610 GND
5
6
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
PRA-BD11
6
7
Description
7
8
A
SIDE A
B
C
D
E
F
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