Block Diagram And Schematic Diagram; Tuner Amp Unit - Pioneer KEH-3031 XM/EE Service Manual

1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
A

TUNER AMP UNIT

FM/AM TUNER UNIT
B
AM RF
Q1
D1
C
1 3 4
CN100
1
ANT.
2
9
D
CASSETTE MECHANISM ASSY
HEAD
HD1
E
SUB
MOTOR M
M2
MAIN
MOTOR M
M1
F
10
1
2
2nd IF 450kHz
CF3
CF2
CF4
AM IFT2
CF1
L2
FM/AM
IFT1
FM RF
L5 Q2 L6 L7
VC1
D2
VC2
2 11 5 8 9 7
LPF
Q150
Q102
16 1 20 7
PLL IC150
LC72135M
15
CN200
N-L
2
CN250
PHOTO DIODE
10 1
PHOTO TR
9 2
8 3
C
REEL PCB
SUB_M+
5 6
SUB_M-
4 7
MOTOR+B
3 8
2 9
2
3
AM IFT3 TP1
T1 FM DET
46 45 37 36 35 34
49
51
52
53
IC 1
54
55
OSC/MIX/IF AMP/AGC
56
DET/SNC/MRC/MPX
57
58
59
60
62
63
64
1 2 4 5 7 10 15
VC3 L8 L9
VC4
AM OSC
FM OSC
12 13
14 13 6
SW5V
SW5V
Q260
KEH-3031/XM/EE
3
4
32
31
30
29
28
Q3
27
26
24
23
X2
20
VR2
19
16
14 17 16 15 6 18 10
EQ-AMP
6
IC200
39
HA12229F
MOTOR DRIVER
24 8
IC250
BA6219BFP-Y
15 6
Q622
10
Q623
Q624
Q620
Q621
4
COM9V
28
27
76
48