Block Diagram And Schematic Diagram; Block Diagram - Pioneer DEH-1950/XU/CN5 Service Manual

1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A A
TUNER AMP UNIT
ANTENNA
CN401
1
2
B
FM/AM TUNER UNIT
C
D
PICKUP UNIT
(P10.5)(SERVICE)
LASER
DIODE
LD-
15
MD
5
VREF
8
HOLOGRAM
UNIT
FOM
3
FOP
2
FOCUS ACT.
MONITOR
TOP
TRACKING ACT. 1
DIODE
TOM
4
LD+
14
E
SPINDLE
M
MOTOR
LOAD/ CARRIAGE
M
MOTOR
F
12
1
2
SYS+B
1 2 3 4 5 6 7 8
ATT
ATT
TANK
ATT RF
C
CD CORE UNIT(S10.5)
D
RF-AMP,CD DECODER,
DIGITAL SERVO /
DATA PROCESSOR
VDD
CN101
1
15
LD
Q101
2
5 PD
REFO
93
8 REFOUT
AC,BD,F,E
FOM
3
CD
FOP
DRIVER
2
1 TOP
TOM IC301
4
BA5839FP
14 TD,FD
12
VO1(+)
11
VO1(-) SD,MD
14
VO2(+)
13
VO2(-)
16
22 41
VO3(-)
LDIN
PA6/LOEJ
15
VO3(+)
21 40
18
CNT PA5/CLCONT
VO4(-)
17
9 39
VO4(+) MUTE
PA4/CONT
36
PA1/12SNS
37
PA2/8SNS
38
PA3/DSCSNS
35
PA0/HOME
S904 S905 S901
12EJ 8EJ HOME
S903
DSCSNS
DEH-1950/XU/CN5
2
3
9 10 11 12 13
VCO
LFP
CN702
CN651
LOUT
LOUT
19
LOUT 16
3
25
XTAL
X201
16.93MHz
23
/XTAL
VDD
IC201
Q102
PE5497B
VDD
VCC 11 8
42
PA7/CD3V
54 CDMUTE
PC7/CDMUTE 8 11
RESET
29 /RESET
10 9
RESET
BRST,BRXEN,BSRQ,BDATA,BSCK
BRST,BRXEN,BSRQ
VD
BDATA,BSCK
VD VD
2 17
VD
1 18
VDDCONT
56 VDCONT
PB1/VDCONT 9 10
VD
57
PB2/VDSENS
3
SWVDD
14 15 16 17 18 19 20
IC2
EEPROM
LFP
IC1
MIX / IF / PLL
CF
REGULATOR IC
5
SWD5V
6
IC 911
SWVDD
BA4918-V12
7
SYS+B
8
VDD
Q601
VDD
Q991
CD VD
Q992
5
4
SL-IN
IFA
IFB
REFA
REFB
LDET
DI
CK
CE1
DO
CE2
SLOUT
ELEC
SOU
TUNL
1
IN1_L
CDL
2
IN2_L
SYSPW
SYSTEM M
COMPUT
IC 601(2
PN5010
1 47
POWEROFF
36
2
BSENS
3 15
SYSPW
1
4
SWVDD
10
B.UP
9
SWVDD
85
DREG
9
REGC(M)
55
PLL_VDD
57
DVDD3
94
DVDD2
121
DVDD4
16
CDRESET
B.UP
126
VDCONT
4