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1
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
QQ
3 7 63 1515 0
3.1 BLOCK DIAGRAM
A
TUNER AMP UNIT
B
FM/AM TUNER UNIT
FM FRONT END
Q3
CN401
ANTENNA
1
27
JACK
2
Q201 Q204
28
AM RF
TE
L 13942296513
CN252
1
FWD
L-ch
37
36
5
REV
39
L-ch
4
CN254
M2
2
M
SUB
1
MOTOR
M1
CN255
M
MAIN
MOTOR
CN253
CN256
E
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1
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FM/AM 1ST IF 10.7MHz
T51 Q51 CF51
CF52 CF53
38
39
42
44
46
22
MIXER.IF AMP DET
IC 1
PML002A
35
33
32
45
55
57
61
74
75
CF202
5
AM 2ND IF 450kHz
6
Q202
VDD
VCC
25
22
10 14
Q411
LOCL
VCC
D
DECK UNIT
CN251
VCC
4
4
EQ AMP
5
TAPE+B
IC251
LOUT
7
3
3
CXA2559Q
Lch
17
MUTE
RIMUTE
9
9
MECHANISM
B.U
DRIVER
20
20
18
19
STBY
17
STBY
5
19
19
IC351
2
1
PA2020A
LOAD
LD
8
7
10
11
11
CN602
3
1
5
6
3
1
5
6
EGN1
REEL
SENSE
S1
S2
LOAD
MODE
REEL SENSE PCB
C
x
ao
y
i
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2
8
FM MPX
25
24
32
19
IC 2 PM4008A
6
63
34 33 41 44 11 12 13
46
69
70
54
COMP
21
78
LDET
18
65
71
EEPROM
4
IC 3
3
BR9010FV
20
12 15 16
8
13
2
3
4
VDD
ELECTRONIC VOLUME
TUN-L
2
IC301
SN761029DL
TAPE-L
3
Q Q
3
6 7
1 3
MUTE
Q904
VCC
8.4V
REGULATOR
VDD
A
RESET
1
IC602
2
S-80834ANY
SYSPW
54
60
66 65
30
SYSTEM
RIMUTE
CONTROLLER
B.U
IC601(2/2)
48
PE5088A
STBY
42
LOADSW
63
8
9
5
8
8
KEYBOARD UNIT
u163
KEY MATRIX
.
LCD
2
3
KEH-3930R,3900R
2 9
9 4
2 8
Q472
Q474
TUNER Lch
LDET
TMUTE
Q476
Q477
61
VDD
RDS
LDET
51
DECODER
TMUTE
FM/AM
21
FM/AM
IC 701
PM4009A
SWVDD
78
NL1
24
53
SD
11
12
76
SL
10
SDBW
X702
14
TUNPCE
13
TUNPCK
20
PCE2
12
TUNPDO
PDIO
11
TUNPDI
28
LOCL
TUN-L
20
RL
19
FL
POWER AMP
FL+
11
FL-
IC302
FL
TDA7384
15
RL
RL-
1 5
0 5
8
2 9
9 4
Q350
RL+
MUTE
STBY
22
4
Q352
Q351
B.U
SYSPW
Q901
BSENS
Q905
Q902
B.U
ACC
ASENS
Q906
POWER SWITCH
SYSPW
IC901
6
1
TPD1018F
70
X1
X601
69
X2
TEL MUTE
64
TELIN
Q951
VDD
A
SWVDD
Q650
VDD SWITCH
CN601
7
3
4
5
7
3
4
5
CN1801
m
50 10
18
DPDT
co
20
KYDT
LCD DRIVER
IC1801
PD6293A
23
22
X901
3
4
9 9
A
Q903
B.U
VDD
SYSPW
55
74
68
SYSTEM
CONTROLLER
IC601(1/2)
PE5088A
B
CN604
9
2
B5
FL+
7
FL-
1
B6
19
8
B8
2 8
9 9
RL-
17
RL+
7
B7
13
FUSE
A4
BACK UP
10A
ACC
A7
11
10
A5
C
B.REMOTE
TEL MUTE
CN901
SW5V
D
9
4
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