SRF-M75PM - Sony Audio Service Manual (repair manual). Page 8

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PULSE  MONITOR  SECTION
Luminance Adjustment
Procedure:
1. Connect the digital voltmeter to TP (LED) on the KEY board.
2. Press the [PULSE] button (S112) to enter pulse monitor mode.
3. Adjust RT102 for 0.24 V reading on the digital voltmeter.
Specification: 0.22 to 0.26 V
Adjustment Location:
+
digital voltmeter
KEY board
TP (LED)
– KEY  BOARD (Component Side) 
– KEY  BOARD (Conductor Side) 
RT102 
Luminance Adjustment
TP (LED)
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