Block Diagram And Schematic Diagram - Pioneer CDX-P1270 Service Repair Training

1
CDX-P1270

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
PICKUP UNIT (SERVICE) (P8)
MONITOR
DIODE
+5V
HOLOGRAM
UNIT
LASER
DIODE
B
FOCUS ACT.
TRACKING ACT.
E
MOTOR PCB
D
SWITCH PCB
C
DSPSW
TRPSW
D851
D
12
1
2
C
MECHANISM
PCB
MD
5 17
12
LD(–)
27
15
FO+
16
4
TO+
15
3
10
CARRIAGE
M
11
MOTOR
8
SPINDLE
M
9
MOTOR
2
TRY
M
1
MOTOR
HOME SW
S853
4
S852
3
S851
7
5
Q851
ELV
M
MOTOR
2
3
A
CD CORE UNIT
CN101
97
17 PD
RF AMP, SERVO, DSP, DAC
AC/F/E/BD
IC 201
UPD63711GC
39
12 LIMIT
Q101
98
27 LD
16
15
14
11
16
10
IC 301
15
11
BA5986FM
17
18
8
4CH SERVO DRIVER
9
MOTOR DRIVER
3
2
5
1
IC 302
10 LB1836M
12
DSP
4
TRP
3
DISC
7
VD
5
3
4
16
L_OUT
23
xtal
X202
16.93MHz
24
XTAL
SYSTEM
CONTROLLER
13
XOUT
X701
10.00MHz
15
XIN
PD5638A
9 11
CONT
74
ejsw
EJECT SW
S801
75
mag
MAG SW
S803
DSP 91
DSP
TRP 95
TRP
DISC 92
disk
I13/I04/I02
Q701
98
VREF
VDD
3
adena
94
VR802
EVREF
GND
4
CDMUTE
IPIN
IPOUT
IPPW
bsens
asens
reset
IC 701
cs
POWER
93
EPVO
V
L