Schematic Diagram; Mother, Display And Sw Board Assys - Pioneer PD-M427 Service Manual

1

3. SCHEMATIC DIAGRAM

3.1 MOTHER BOARD ASSY, DISPLAY BOARD ASSY and SW BOARD ASSY
A
PICK UP ASSY
PEA1335
B
SPINDLE
MOTOR
ASSY
PEA1235
CARRIAGE
MOTOR
ASSY
PEA1246
MECHANISM
G
BOARD ASSY
C
(PWX1192)
CN601
4-173979-4
S601,S602:DSG1016
B
VXM1033
LOADING BOARD
ASSY (PWZ2038)
LPS1 LPS2
CLAMP L L
LOADING L H
HOME H H
EJECT H L
MZS1 MZS2
MAGAZINE
OUT H
MULTI L H
IN
SINGLE
L L
DCNT DCNM
L H
D 2-6DISC
HOME L L
SELECTING H
H
S603:PSG1010
C
S604-S606:DSG1016
SELECT BOARD ASSY
(PWZ2533)
SIGNAL ROUTE
: AUDIO SIGNAL
: AUDIO SIGNAL(WY,WPW)
: AUDIO SIGNAL(KU,KC,RD)
: FOCUS SERVO LOOP
E
: TRACKING SERVO LOOP
: CARRIAGE SERVO LOOP
: SPINDLE DRIVE
: LOADING DRIVE
F
A B C D E F G
12
1
2
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
4-173981-4
D
MOTOR
BOARD
ASSY
MZS1
MZS2
DCH
DCNT
DSEL
VXM1033
DISC SELECT
52147-0610
(PWZ2040)
S801
D801
2
3
A
2 23
3
4
33
18
VCP1164
VCP1158
0V
0V
VCP1158
0V
DSDW
DSUP
0V
M
PDD1041
FUNCTION BOARD ASSY
( PWZ2769 )
PD-M427
3
4
MOTHER BOARD ASSY
PWM2155
53
19
5.0V
16
3.4V
5.0V
23
4
Holder PNB1285
4