Explanation; Block Diagram - Pioneer KEH-P9700REW Service Manual

KEH-P9700R,P9750

7.3 EXPLANATION

7.3.1 BLOCK DIAGRAM

- KEH-P9700R/EW
A
TUNER AMP UNIT
CN401
ANT
B
FM / AM TUNER UNIT
26 25
Q3
FM RF
41 9 10
34
FM
OSC
6
Q201 Q202
AMRF / AGC
AM TV
AM
OSC
19 20
25 29
IC401
PM2007A
PLL
37 38
X401
7.2MHz
C
ASL PCB
IP-BUS ISOLATOR
CN701
1
7
BUS L+
2
11 BUS L-
1
IP-BUS IN BUS +
5 IP-BUS DRIVER
BUS -
6
8
5
SWDB
MOTION
SENSE
1
2
DOOR
LOCK
CN601
Q701
D
MIC PCB
Q702
Q301 VR301 ASL AMP
MIC301
CN301
5
1
NJM2068M
2
CN302
H
DECK UNIT
FWD
LCH
CN252
TAPE EQUALIZER
1
51
IC251
53
HA12163
56 2 17 19
4
5
VREF
REV
B.U
LCH
Q351
Q352
SUB
19 18 7 17
MOTOR
5
IC351
M
2
PA2020A
8 9 10
4 6 8
J
REEL UNIT
4 6 8
FWD SENSE
MODE
SENSE
REV SENSE
I
M
PCB UNIT
MAIN
MOTOR
72
T31
Q31 CF51 CF52 CF53
T51
FM MIX
FM IF FM IF FM IF
14 15 17 18 47 1
FM / AM PROCESSOR FM PROCESSOR
IC1 PA4023B IC2 PA4024A
35 32 36 16 18 23 25 31 30 28 33 40 7
CF232
AM IF
FM +B AM +B TUN +B
GATE
DRIVER
15 17 21 14 13 5
FM +B AM +B TUN
+B
9 4 5
7
FMIF
19
G
MIC JACK UNIT
CN171
CN4601
1
1 MICS
2 2
CN4602
4 4
MIC SENSE
CN702
CN703
3
IC702
12 12
IP-BUSL
TA2050S
DLED
2
6 6
TX
IC701
1
CA0008
7 7
RX
15 15
MSENS
16 16
DRLK
S601
1 1 PROSTD
3 3
B.U
8 8 A SENBO
ASL FILTER
1 3 2
IC301 IC302
14 14
NOISE
NJM2068M
CN251 CN751
22
4 4
VCC
6
3 3 TAPE L
PLAY
MTL
B.U
Q271
20 20
B.U
STBY
LOAD
1
CN253
1 3 2
1 3 2
METAL LOAD
Q403
L DET
Q407
2
19
7
43
FM SL
9
AM SL
18
6 2
Q501
LDET
SL
VR501
SD
RDS DECODER
RDS 57K DETECTOR
1
20 18 IC502
4
3 RDS57K
TA7S5393F
IC501
PMW001B
15
DRST
13
MDSENS
11 12
X501
4.33MHz
Q171
Q902
VDD REGULATOR
B.U
VDD
Q901
Q612
Q613
SOURSE SELECTOR
20
TUN-L
IC101
Q406 Q405
18
BA3131FS
MIC-L
SOURSE SELECTOR
20
IP-BUS L
IC102
18
BA3131FS
TAPE-L
1
DSP+5V
REGULATOR
Q172
VDD
MOTOR
Q953
DRIVER
MOTOR DRIVE
11 6
REGULATOR
IC951 5
BA6288FS
14 3
CN952 CN951
1 2
1 2 3
M
AUTOMATIC
S951 S952
FLAP MOTOR
AUTOMATIC
FLAP SENSE
K
SWITCH PCB
16
PEE
CN101
UNBAL. /BAL.
14 2 7
IC103
NJM2100M
3
IC902
NJM78M05A
Q904
DSP+5V
B.U
Q903
SYSPW
43 44
87
LDET
77
SD
74
SL
23
TMUTE
72 DALMON
SYSTEM CONT
38 DLED
IC601
PD4903
86
TX
85
RX
10
MOSENS
8
DLSENS
35
STD/PRO
80
ASENBO
31
FCLSSW
30
FOPNSW
28
FLCLS
29
FLOPN
FLPPW
34 39
B.U
Q952
B.U
Q951
CN801
12 3
12 3
CN1901
S1901
P SENS
S1902
RESET
82
X0
X1901
83
X1
OPTICAL
1 53
IC1901
INPUT RE
RS-140
KEY
MATRIX
E
KEYBOARD PCB