Block Diagram And Schematic Diagram - Pioneer KEH-P8010R Service Manual

1
KEH-P8010R,P8015

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
TUNER AMP UNIT
A
ANT
CN401
1
2
B
C
D
12
1
2
FM/AM TUNER UNIT
FM/AM 1ST IF 10.7MHz
AMRF T51 Q51 CF51 CF52 CF53
AMANT
ATT
28
ANT1 ADJ
IC1
MIXER, IF AMP, DET.
FMANT
27 ATT
RFGND
26
FMRF
CF202
AM 2ND IF
RF ADJ
10.25MHz
450kHz
VDD
VCC
ANT2 ADJ
LOCL
LOCH
23 25 7 17
VCC
VDD
CN252
1
FWD
L-ch
5
REV
L-ch
4
CN254
M2
2
M
SUB
1
MOTOR
CN255
M1
M
MAIN
MOTOR
2
3
MPXREF 41kHz
AMDET
IC 2 FM MPX
IC 3
X901
EEPROM
20 22 10 19 14 24 9 11 12 15 16 8 13 2 3 4 1
D
DECK UNIT
CN251
Lch
3
6
37 EQ AMP
16 MS
36 5
IC251 f/R
17
6
39
HA12228F
MUTE
20
9
B.U
20
5 18 19
2
11
POS
13
MECHANISM
13 NES
15
DRIVER
14
SC2
16
IC351
15
1 SC1
17
PA2020A
16 CM
18
stby
17
19
8 7 10
LOAD
11
CN253
3
1 5 6
3 1 5 6
CN256
EGN1
REEL
SENSE
S1
S2
LOAD
MODE
E
REEL SENSE PCB
3
4
Q153
L ch
6
R ch
5
RDS
DECODER
24
COMP
20
21
IC 501
LDET 8
18
PM4009A(EW)
11 12
X501
Q402
SWDACC
CN101
5
1
8
7
11
BUS—
BUS+
BUS+L
BUS—L
CN251
3 14
5
DIRO
6
RIMUTE
9
MSIN
33
RIMUTE
55
20
BU DIRO
58
LOADSW
59
POS
POS
13
61
NES
NES
15
63
SC2
SC2
65
16
SC1
66
SC1
CM
17
67
STBY
CM
18
STBY
19 22
OELPW
1
11 LOADSW
Q851
BU
Q852
4
Q151 Q155
Q501
VDD
Q101
BU
Q102
IP-BUS DRIVER
TX
5 1
IC 101
6 2 RX
CA0008AM
8
IPPW
TUN
BUS+L
BUS—L
TAPE L
BUZZER
54
24
PEE
87
MUTE
23
SYSPW
13
XOUT
X60
15
XIN
PD5616A(EW)
PD5617A(ES)
SYSTEM -COM
IC 601(2/2)
44
EJTIN
36 35 40 43
6
IC 851
NJM2360M