SA-WSLF10, SS-CTL10, SS-TSL10, SS-TSL11 - Sony Audio Service Manual (repair manual). Page 8

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8
SA-WSLF10/SS-CTL10/TSL10/TSL11
SECTION  4
ELECTRICAL  ADJUSTMENT
DIAT SIGNAL RF LEVEL  ADJUSTMENT
This adjustment is performed in order to adjust the transmission
distance of RF signal for DIAT communication.
Connection:
Procedure:
1. Connect the oscilloscope to TP815 (RF AMP OUT) and GND
on the TX board.
2. Connect DIR-T1 to DIR-T1 jack (J908).
3. Adjust RV801 on the TX board so that the center of waveform
becomes trigger level 1.05 Vp-p.
 (*Trigger position: –4 DIV)
4. Confirm trigger is locked.
5. Adjust RV801 on the TX board so that the center of waveform
becomes 2.2 to 2.4 Vp-p.
VOLT/DIV : 500 mV
TIME/DIV : 500 ns
level : 2.2 to 2.4 Vp-p
– TX BOARD (Component Side) –
TP815
(RF AMP OUT)
IC804
IC805
RV801
DIAT Signal
RF Level Adjustment
TP815
(RF AMP OUT)
TX board
oscilloscope
Adjustment Location:
RF Signal Reference Waveform
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