Block Diagram And Schematic Diagram - Pioneer KEH-P900R Service Manual

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3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
TUNER AMP UNIT
B
CN402
FM/AM
25
ANTENNA
26
FMTV
AMTV
29
AMTV
25
FMTV
CN701
BUSL+
7
11 BUSL-
IP-BUS 5 BUS-
1 BUS+
Q701
8
TE
L 13942296513
Q702
D
CN252
1
FWD
L-ch
37
36
5
REV 39
L-ch
4
CN254
M2
2 MECHANISM
M
SUB
DRIVER
1
MOTOR
5
2
1
M1
CN255
M
MAIN
MOTOR
CN253
CN256
EGN1
REEL
SENSE
E
REEL SENSE PCB
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FM/AM TUNER UNIT
Q3
T31 Q31 CF51
FM RF FM MIX
FM IF
10
41 9 14 15
FM
34
FM/AM PROCESSOR
OSC
IC1 PA4023B
6 38 32 36 16 18 23
Q201 Q202
AM RF/AGC CF232 AM IF
AM
AMTV
AMVCC FMVCC
OSC
VCC
19 20 15 17 14 13
21
AMIF
PLL
9 19
Q907
4
FMVCO
5
AMVCO
IC501
AM
PM2007A
Q908
37 38
PDI/PCK/PDO/PCE
X501
IP-BUS DRIVER
5 1 TX
IC702
2 RX
6
CA0008AM
B.U
8
ASENBO
ASENBO
DECK UNIT
CN251
VCC
4
4
EQ AMP
5 TAPE+B
IC251 LOUT
7
3
3
CXA2559Q
Lch
18 17
MUTE MCMUTE
9
9
B.U
20
20 B.U
19
18
STBY
17 STBY
19 19
IC351
PA2020A
MTL
MTL
8 8
LOAD LDSW
8 7 10
11
11
CN602
3
1 5 6
3
1 5 6
S1
S2
LOAD
MODE
2
2
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2
8
CF52 CF53
FM IF T51
FM IF
17 19 47 1 2
19
FM PROCESSOR
7
IC2 PA4024A
25
31 30 33 40 7 43
28
FMSL
9
Q165
AMSL
18
6
5 2
LDET
LDET
RDS DECODER
Q909
1
IC701
18
3
PM4006B
20
FM
11 12
VCC
Q910 X701
ELECTRONIC VOLUME
TUN-L 2
5
BUS-L1
IC301
11
BUS-L2 RL
6
PML003AM
10
TAPE-L 3 FL
9
Q Q
3 6 7 1 3
Q307
MUTE
Q911
Q904
VCC
Q905
8V
REGULATOR
VDD
RESET
IC602 1
Q906
2 S-80734AN
SYSPW
45 54 66 65
60
56
TX
57
RX
1
ASEMBO 70
X1
37
SYSTEM
MCMUTE 69
X2
CONTROLLER
64
IC601(2/2)
TELIN
48
PE5085A
STBY
38
MTL
42
LOADSW
63 26 8
9 5
20
VDD VDD
Q922
ILMPW
DILM
Q923
8
8
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KEY MATRIX
.
LCD
C
KEYBOARD UNIT
2
3
KEH-P5900R,P4900R,P4930R
2 9 9 4 2 8
TUNER MUTE
Q301 Q303
TUNER Lch
B.U
TMUTE
LDET
Q921
Q305
Q501
VR401 Q402
Q920
SYSPW
55
51
TMUTE
76
SD SL
53
CL
SD
77
SYSTEM
CL
61
CONTROLLER
LDET
IC601(1/2)
47
RDS57K
PE5085A
IC703
4
TA75S393F
RDS57K
29
FM
30
AM
TUN-L
Q309
CN301
MUTE
2
MUTE
1
Q310
POWER AMP
CN603
9
FL+
2
7
11 FL-
1 5 0 5 IC302 8 2 9 9 4
FL
TDA7384
15
RL
19
RL-
8
17
RL+
7
MUTE
STBY
22 4
Q306
SYSPW B.U 13
FUSE
Q901
10A
BSENS
Q902
B.U
ACC
ASENS
11
8
ALARM/B REMOTE
IC902 1
5
B.U
TPD1018F
6
X601 SYSPW
2
TEL MUTE
1
CN901
Q924
VDD
Q916
SWVDD Q601
VDD SWITCH
SW5V
Q917
CN601
4 6
5 3
5 3 4 6
m
CN1901
56 10
co
18
DPDT
20
KYDT REM
LCD DRIVER
IC1901
PD6278C
23
22
X1901
3
4
9 9
A
Q903
VDD
74 68
B
B5 FRONT-L
SPEAKER
1 B6
2 8 9 9
B8
REAR-L
SPEAKER
B7
A4 BACK UP
ACC
A7
C
B.REMOTE
TEL MUTE
REMOTE CONTROL
SENSOR
3
IC1902
1
RS-140
D
17
9
4