Pioneer PDP-502MX Service Manual page 35

5
YCP-MSK
Q3802
R3822
R3823
K3758
YSUS-MSK
R3824
R3825
Q3804
IC3708 R3731
R3735
2 7
4 5
R3732
R3736
Q3708
R3826
–RESET BLOCK
5
6
+5V For
Logic Block
+12V
O. C DET.
PD
Q3601
DET.
K3607
R3618
K3770
R3614
Q3604
Q3605
K3606
R3634 VCP
VCP BLOCK
D3701
R3730
R3701
YSUS-MSK
SUS
Q3707
GND
R3728
R3710
D3705
D3704
PSUS To SCAN MODULE
6
SUSTAIN BLOCK
4
5
14
21
4
5
14
21
IC3702
I O
+ 5V
REG.
G
IC3703
IC3704
5
IC3707
R3717 D3703
Copper Plate
7
PDP-502MX, PDP-502MXE
PDP Pulse Module
IC3702
(STK795-450)
VSUS
(175V)
VDD1
9
VSUS
175V
SUS-B
0V
7
SUSOUT
SUS-U
11
VDD2
18
SUS-D
16
VSUS/2
SUS-G
23
SUSGND
GND
VSS2
SUS
GND
PDP Pulse Module
IC3609
(STK795-450)
VSUS
(175V)
VDD1
9
VSUS
SUS-B 175V
0V
7
SUSOUT
SUS-U
11
VDD2
18
SUS-D
16
VSUS/2
SUS-G
23
SUSGND
GND
VSS2
SUS
GND
IC3701
7
5
R3708
R3709
7
Q3703
5
R3707
R3729
R3722
R3723
5
7
Q3709
IC3706
R3724
R3725
5
7
IC3705
SUSTAIN MASK BLOCK
7
8
A
K3703
SUS-OUT
SUS
B
SUS
K3701
PSUS
C
R3705
R3706
R3703
R3724
Q3705
R3718
R3719
Q3711
R3720
R3721
D
35
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