Sony SPP-SS964 Service Manual page 23

[HAND MAIN board]
(Side A )
1
16
CN501
1
8
S502
RFU501
RF UNIT
ANTENNA TERMINAL
SSG : Checking RX I & Q Output level
frequency counter : Checking TX Center Frequency
peak power meter : Checking TX Output
TP553: GND
TP555 and TP553 short :
TP555: TEST
Checking TX Center Frequency
TP523: RXQN
TP522: RXQP
level meter :
Checking RX I & Q Output Level
TP521: RXIN
TP520: RXIP
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