Pioneer HTV-1 Service Manual page 41

HTV-A1
Waveforms
Note: The encircled numbers denote measuring
point in the schematic diagram.
1
IC6001-Pin1 (DATA) 0.5 V/div 1 mS/sec
2
IC6001-Pin42 (CLK) 0.5 V/div 1 mS/sec
2
1
Measurement condition : volume Min =1
3
IC8001-Pin4 (LCK) 0.5 V/div 1 mS/sec
1
IC6001-Pin42 (CLK) 0.5 V/div 1 mS/sec
3
1
Measurement condition : volume Min =1
4
Q1110-Emitter 50 mV/div 5 mS/sec
Measurement condition :
SW ch output signal f =100Hz, 1W
12
5
Q1109-Base 20 mV/div 5 mS/sec
GND
GND
Measurement condition :
SW ch output signal f =100Hz, 1W
6
Q1105-Collector 0.5 V/div 5 mS/sec
GND
GND
Measurement condition :
SW ch output signal f =100Hz, 1W
7
Q1106-Collector 0.5 V/div 5 mS/sec
GND
Measurement condition :
SW ch output signal f =100Hz, 1W
GND
GND
GND