Read Sony CMT-EP303 / HCD-EP303 Service Manual online
22
22
HCD-EP303
6-4. Schematic Diagram MIAN Section (1/2)
IC B/D
IC B/D
DSIPLAY
BOARD
A
(Page 26)
MAIN BOARD
(2/2)
1
(Page 23)
0
6.4
6.4
6.4
0.7
1.2
1.2
1.2
0
4.5
5.8
0.6
1
0.6
0
5.8
2.8
2.1
0.9
1.2
1.3
6.6
6.4
0
2.3
0
4.7
1
1
1.5
2.3
9.7
9.7
8.9
0
5.1
5
5.3
0.1
0.1
2.3
0
3.7
6.4
6.4
1.3
1.3
1
FM
LEAD
ANTENNA
ANT1
FM ANT
C134
0.001
C104
0.001
C107
0.001
C114
0.01
C111
0.001
Q101
2SC1923-O
FM OSC BUFFER
R104
1.2k
R136
6.8k
R168
6.8k
C119
1u
50V
C108
4.7u
50V
D105
SVC348T
C135
390p
390p
C131
0.047
C130
10u
50V
50V
R135
4.7k
Q104
2SC945TP
AMP
C127
0.047
C161
0.1
L110
AM-FERRITE-ROD
ANTENNA
B P F
C113
0.01
C120
1u
50V
C156
47u
16V
16V
C126
0.01
C112
0.001
C147
0.01
C148
2.2u
50V
R147
2.2k
C151
0.1
C163
100u
100u
16V
Q116
2SA733TP-P
B+ SWITCH
X102
7.2MHz
C114
0.022
R145
4.7K
R118
3.3k
X101
10.7MHz
F101
10.7MHz
R148
5.6k
C145
100p
100p
C146
0.001
C117
0.0068
C129
4.7u
50V
C118
0.0068
Q102
2SC945TP
BAND
SWITCH
C112
0.22u/ 50V
C123
0.47u/ 50V
C124
1u/ 50V
R112
3.3k
C105
0.001
C157
0.1
TP10
(FM VT)
IC101
AM/FM IF AMP,
MIX, MPX, DET, OSC
IC102
FM/AM PLL
C116
0.022
C162
0.022
TP11
(AM VT)
MAIN BOARD
(1/2)
L103, TC101
FM TRACKING
L104
FM FREQUENCY
COVERAGE
T102
L110, TC102
AM TRACKING
AM FREQUENCY
COVERAGE
33p
33p
• See page 17 for Waveforms.
• See page 29 for IC Block Diagrams.
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