Schematic Diagram; Mother, Display And Sw Board Assys - Pioneer PD-117 Service Manual

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3. SCHEMATIC DIAGRAM

3.1 MOTHER BOARD ASSY, DISPLAY BOARD ASSY and SW BOARD ASSY
A
PICK UP ASSY
PEA1335
B
MECHANISM
A
BOARD
ASSY
PWX1192
SPINDLE
MOTOR
ASSY
PEA1235
CARRIAGE
MOTOR
ASSY
PEA1246 CONNECTOR ASSY
RDE1043
C
D
SIGNAL ROUTE
: AUDIO SIGNAL
: AUDIO SIGNAL
: FOCUS SERVO LOOP
: TRACKING SERVO LOOP
: CARRIAGE SERVO LOOP
: SPINDLE DRIVE
: LOADING DRIVE
E
S801
D801
F
A B C D
12
1
2
3
1.8V
-0.7V
7
1.8V
1.6V
5
1.6V
0V
1.6V
6
0V
1.6V
1.7V
8
0.2V
1.7V
0V
0V
0V
B
MOTHER BOARD ASSY
PWM2139 : PD-217 TYPE
PWM2136 : PD-117 TYPE
PD-117
PD-117
PD-217 model Only
PD-217
2
3
2 23
4
33
53
19
18
16
VCP1164
VCP1158
VCP1158
PD-217
PD-217
DISPLAY BOARD ASSY
C
PWZ2937 : PD-217 TYPE
PWZ2935 : PD-117 TYPE
3
4
5.0V
3.4V
5.0V
23
PD-217 model Only
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