Pioneer HTV-2 Service Manual page 13

5
LPF
4.8V
POWER SUPPLY
-28.0V
-18.8V
CAUTION : FOR CONTINUED PROTECTION AGAINST
RISK OF FIRE. REPLACE ONLY WITH SAME
TYPE NO. 491.630 MFD BY LITTELFUSE
INK. FOR IC501 AND IC502 (AEK7006).
5
6
Waveforms
3
JA4001-Pin4 (DATA) 0.5 V/div 1mS/sec
4
JA4001-Pin1 (CLK) 0.5 V/div 1mS/sec
3
4
A
MAIN ASSY
(AWU7071)
13.2V
-13.2V
-40.0V
CAUTION : FOR CONTINUED PROTECTION AGAINST
RISK OF FIRE. REPLACE ONLY WITH SAME
TYPE NO. 491.200 MFD BY LITTELFUSE
INK. FOR IC503 (AEK7023).
6
7
5
JA4001-Pin2 (LCK) 0.5 V/div 1mS/sec
4
JA4001-Pin1 (CLK) 0.5 V/div 1mS/sec
5
– GND
4
– GND
BALANCED OUT
4
3
5
B
TERMINAL ASSY
(AWU7072)
SW AMP UNIT
A B
7
8
HTV-C1
A
– GND
– GND
B
C
FRONT
SPEAKER
D
9
8