Block Diagram And Schematic Diagram - Pioneer KEH-P601 Service Manual

1
KEH-P601,P6010

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
A
TUNER AMP UNIT
FM/AM TUNER UNIT
AMANT
28
ATT
ANT ADJ
ANT
FMANT
27 ATT
7 WC
9
NC
11 DGND
CN402
17 NC
20
NC
24
FMLOCL
26 RFGND
LOCH
23
B
C
D
8
1
2
FM/AM 1ST IF 10.7MHz
MPXREF 41kHz
AMRF T51 Q51 CF51 CF52 CF53
IC1
MIXER, IF AMP, DET.
FMRF
CF202
X901
AM 2ND IF
IMG ADJ
EEPROM
10.25MHz
450kHz
VDD
RF ADJ
VCC
LOCL
22 10 19 14
25
Q410
LOCH
LOCL VCC
VDD
D
DECK UNIT
CN252
1
FWD
L-ch
37
36
5
REV 39
L-ch
4
CN254
M2
2
M
SUB
2
1
MOTOR
CN255
1
M1
M
MAIN
MOTOR
CN253
CN256
EGN1
REEL
SENSE
E
REEL SENSE PCB
2
3
AMDET
L ch
IC 2 FM MPX
6
R ch
5
COMP
21
LDET
18
NL2
4
IC 3
12 15 16 8 13 2 3 1
CN701
CN251
CN551
Lch
3 3
6
EQ AMP
MS
16 MS
5 5
IC251 f/R DIRO
17
6
6
HA12229F
MUTE MCMUTE
20
9 9
B.U
20
20
18 19
5
11
POS POS
13 13
MECHANISM
13 ES NES
15
15
DRIVER
14
SC2 SC2
16 16
IC351
15
SC1
SC1
17
PA2020A 17
16
CM CM
18 18
stby
stby
17
19 19
8 7 10
LOAD loadsw
11
11
3 1 5 6
3 1 5 6
S1
S2
LOAD
MODE
3
4
Q710
B.U
Q711
IP-BUS DRIVER
5 1 TX
IC 710
8
6 2 RX
HA12187FP
5 BUS—
8
IPPW
1 BUS+
7 BUS+L
BUZZER
68 66
DIRO MSIN
PEE
65
RIMUTE
B.U
61
POS
59
NES
58 SYSTEM
SC2
CONTROLLER
57
SC1
56
IC 601(1/2)
CM
PE5207A
55
stby
69
loadsw
6
LCDPW
96
DPDT
95
KYDT
29
ROT0
25
ROT1
9
23 4
DETACH
SENSE SW
Q752
Q754
B.U
Q755
4
BZ610
ALARM
100
72
MUTE
Q362
37 mute
mute
16
X1
X610
X2
15
Q910
VCC
21
SYSPW
SYSPW
77 20
CN750
Q751
B.U
ILB+
7
Q753
CSENS
4
EJECT
8
VDD
FILM+
B.U 5
S750
SW5V
10 1
Q750
FILM—
6
DPDT
11 1
KYDT
14 1
ROT1
12 1
ROT0
13 1
BL+B
2