Block Diagram And Schematic Diagram - Pioneer CDX-FM1277 Service Manual

1
CDX-FM1277,FM1279

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
C
PICKUP UNIT (SERVICE) (P8)
MONITOR
DIODE
+5V
HOLOGRAM
UNIT
B
LASER
DIODE
FOCUS ACT.
TRACKING ACT.
CARRIAGE
M
MOTOR
SPINDLE
M
MOTOR
E
MOTOR PCB
TRY
M
MOTOR
D
SWITCH PCB
C
DSPSW
S852
TRPSW
S851
Q851
D851
D
12
1
2
A
CD CORE UNIT
MECHANISM
PCB
CN101
MD 97
5 17 17 PD
RF AMP, SERVO, DSP, DAC
AC/F/E/BD
39
12 12 LIMIT
Q101
LD(–) 98
27
15 27 LD
FO+
4 16 16
TO+
15
3 15
4CH SERVO DRIVER
14
11
16
10 10
15
11
11
17
18
8 8
9
9
3
2 2
5
1
1
10
12
HOME SW
S853
DSP
4 4
3
TRP
3
DISC
7 7
VD
5
5
ELV
M
MOTOR
2
3
IC 603
3 1
VD
BA4560F
21 5
L+
IC 201
UPD63711GC
23
xtal
X202
24 16.93MHz
XTAL
X701
10.00MHz
9
IC 301
BA5986FM
EJECT SW
S801
MAG SW
S803
DSP
MOTOR DRIVER
TRP
DISC
I13/I04/I02
IC 302
LB1836M
Q701
VDD
3
4
IC 604
7
BA4560F
Q771
VDD
48
cs
SYSTEM
CONTROLLER
88
PREN
CK/DT/CS
IC 701
PD5638A
76
CDMUTE
IP-BUS DRIVER
29 2
IPIN
30 1
IPOUT
22
IPPW
13
XOUT
15
XIN
19
asens
11 13 11
asensfm
CONT
18
bsens
74
ejsw
12
reset
RESET SW
75
mag
S802
10
POWER
91
DSP
95
TRP
92
disk
5V REGULATOR
3
5V
98
32
VREF
KYDT
31
DPDT
33
3
FMIPSW
adena
33
SYSPW
33
DISPPW
94
93
VR802
EPVO
EVREF
VR801
GND
LINEAR POSITION SENSOR
4
B
CN701
C
LOUT
8 18
2
IC 705
4
TC7SH32F
1
SRAM
IC 702
20
LC35256FT-70U
PREN
22 4
CDMUTE
15 11
6 BUSP
IC 703
12 14
5 BUSM
HA12187FP
13 13
ASENB
11 15
8
6 9
12 ASENIN
19 7
5 10 BSENIN
5 21
IC 704
PAJ002A
7 Q770
2 SVC
4
14 12
POWER
10 16
VD
VD 2 24
VD
1 25
IC 202
1
BA05FP
KYDT
16 10
DPDT
17 9
FMIPSW
18 8
SYSPW
21 5
DISPPW
20 6