Read Sony CMT-EP303 / HCD-EP303 Service Manual online
19
19
HCD-EP303
AMP Section
• Signal Path
• R-ch is omitted due to same as L-ch.
: FM
: CD
: PB(TAPE)
: REC(TAPE)
IC203
FUNCTION SELECT SWITCH,
ELECTRONIC VOLUME
Q301,302
MUTING
Q314
MUTING
CONTROL
SWITCH
Q201
REC AMP
Q206
MEGA BASS
R-CH
R-CH
R-CH
RL
LTCOM
LTOUT
LVRIN
LVROUT
L3
CD
CD
CD L
CD L
CD R
CDDAT
CDCLK
CDRS
TUNER
L-CH
PL
L4
TUNER
TUNER
L2
TAPE
TAPE
DI
CE
46
52
BASS BOOST
MUTE
MUTE
1
10
9
11
15
16
2
12
11
5
3
3
4
40
DATA
34
CD-RESET
42
CD CLOCK
61
CD DATA
D332
D333
+
+
+
+
–
+
–
SPEAKER
(IMPEDANCE
USE 4
Ω
)
L
R
PHONES
SPK301
JK401
IC601 (2/3)
SYSTEM CONTROLLER
D
A
B
C
CL
14
39
CLOCK
48
CE
TAPE
SECTION
TUNER
SECTION
TAPE
SECTION
TAPE
SECTION
H
DISPLAY
SECTION
SECTION
G
DISPLAY
SECTION
SECTION
CD BLOCK
30
TAPE
COTR
DATA
CLOCK
IC301
POWER AMP
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