Block Diagram And Schematic Diagram; Block Diagram - Pioneer CRT3557 Service Manual

1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A A
TUNER AMP UNIT
FM/AM TUNER UNIT
ANTENNA CN401
B
AM ANT
1
1
2
FM ANT
3
C
D
PICKUP UNIT
(P10.5)(SERVICE)
LASER
DIODE
LD-
MD
VREF
HOLOGRAM
UNIT
FOM
FOP
FOCUS ACT.
MONITOR
TOP
TRACKING ACT.
DIODE
TOM
LD+
E
SPINDLE
M
MOTOR
LOAD/ CARRIAGE
M
MOTOR
F
12
1
2
7 6
IC 3 EEPROM
5.0V
OSC
FMRF
ATT
ATT
FMRF
MIXER, IF AMP
RF adj
ANT adj
2 12 15 22
C
D
CD CORE UNIT(S10.5COMP1)
V3R3D
CN101
142
15 15
LD
IC201
Q101
UPD63763CGJ
143
5 5 PD
REFO
133
8 8 REFOUT RF-AMP,CD DECODER,
AC,BD MP3 , WMA, DECODER,
DIGITAL SERVO / DATA PROCESSOR
F,E
FOM
3 3
FOP
2 2
1 TOP
1
TD,FD SD,MD
TOM
4 4
14 14
CD
12
FOM
DRIVER
11
FOP
14
TOP
13
TOM
IC301
BA5835FP
16
21
SOP 41
CLCONT
15
SOM
22
40
18
LOEJ
LCOP
17 9
47
LCOM CONT
CD CONTROLLER
32
31
30
42
S904 S905 S901
12EJ 8EJ HOME
S903
DSCSNS
1
IC203
4
V3R3D
3
NJM2886DL3-33
VD
+3.3V REGULATOR
DEH-P3800MP/XU/UC
2
3
VDD5
13 5 10 9 8 11 14
IC 5
5V 3.3V
LPF
IC 1
3.3V
T51
CF52
IC 4
3.3V 2.5V
2.5V
3.3V
16 4 17
VDD_3.3V
VCC8
11
7
8
5
1
3
2
CN901
LOUT
31
16 16
LOUT
34
XTAL
X201
16.93MHz
35
/XTAL
LOCK/RFOK
56
XRST,XASTB,ADO,XCK,
XSO,XSI,WAIT,XINT
VDD
Q701
VDD
11 11
SWVDD
63
43
LOCK
/CD3VON
14 /RESET
10 /RESET
RESET 10
CLCONT 39 CDMUTE
CDMUTE 8
8
LOEJ
IC701
BRST,BRXEN,BSRQ
CONT
PE5505A
BDATA,BSCK
VD
VD 1
12 1
X1
12EJ 2
2
X701
4.00MHz
8EJ
13
X2
DSCSNS
HOME
49 VDCONT
VDCONT 9 9
CD3VON
46
3
18 19 20 21
IC 2
2.5V
DET, FM MPX
CN101
BUSL−
BUSL+
Q101
B14
B.UP
Q102
ASENBO
B− 5
IC 101
HA12241FP
B+ 6
CN621
KEY1
KEY2
CN701
LOUT
VDD5
BRST,BRXEN,BSRQ,BDATA,BSCK
Q702
VD
Q701
3
5
VDCONT
4
Rch
24
Lch
23
E
TUNL
2
5
4
1
40
ASENBO
1 30
TX
29
2
RX
27
RX2
8 52
IPPW
34
KEYD
94
KEYAD
SYSTEM
IC
P
21
CDRST
B.UP
4
2
4