Sub Address A And B Assys - Pioneer PDP-433PU Service Manual

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3.1.6 SUB ADDRESS A and B ASSYS

A
+60V
ADRGND
CN8801
H : V MID CLAMP OFF
L : V MID CLAMP ON
B
V MID SW
ADRK EMG1
+12V
DGND
ADR-B
ADR-U
ADR-D
ADRK. PD
CN8802
C
SW
ADR-D
ADR-U
ADR-B
+12V
DGND
VADR
ADRGND
ADROUT
CN8803
D
H : EMG1 OFF
L : EMG1 ON
E
F
42
1
2
Current - Voltage
Convert Block
P.D. Output Block
BUFF Block
IC8801
(DC+AC) (-AC)
Additional
Block
IC8802
PDP-433PU
2
3
Over Current DET. Block
R8801 - R8805
ADR Output
Resistance Load Block
Q8803, Q8831
ADR EMG 1 Block
Inversion
Block
IC8801
Conparator
(DC) CLK
(EMG : ON)
IC8802
Conparator CLR
(EMG : OFF)
IC8804
3
4
Q8801
Q8805, Q8806
12V
+5V REG
D8804
5V
Flip / Flop
IC8803
4