Block Diagram - Main Section - Sony HCD-EP50LIV Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-3. BLOCK DIAGRAM – MAIN Section –
RL-CH
(Page 16) F
RR-CH
R-CH
TL-CH
TR-CH
R-CH
TU-L
B
(Page 15)
TU-R
R-CH
CD BLOCK
CD-L-IN
CD-R-IN R-CH
CD DO
CD CLK
CD \RESET
T E
L 1 3 9 4 2 2 9 6 5 1 3
DA IN
H
(Page 16)
CLOCK
DA IN
(Page 15) E
CLOCK
DA OUT
PLL CE
STEREO
STATION
w w w
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L1
12
INPUT SELECT SWITCH,
ELECTRICAL VOLUME
L2
U6
11
L4
9
LTOUT LINE AMP
L3
3
10
U3
SWITCH
SELECT SWITCH
14 15 16 8 7 6 5 4
SOUND
CONTROL
CIRCUIT
SYSTEM CONTROLLER
IC301 (2/3)
42 CDDATA
16 CDCLK
INPINENA 45
CDRESET
43
MUTE 49
X2
7
X1 8
47 CE
1 GENERALDOUT
2 GENERALCLK
100 GENERALDIN CD DOOR SW 19
48 PLLENA
4 STEREO
34 TUNED
I2CDATA 3
I2CCLK 5
x a o u 1 6 3
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8
LVRIN LVROUT
2 1
MEGA BASS
30 R-CH
CONTROL SWITCH RVROUT
Q13
R-CH
D17
Q Q
3 7 6 3 1
X301
4.194304MHz
SW300
Z PUSH
OPEN/CLOSE
EEPROM
IC302
5 SDA
6 SCL
c o
.
17 17
2 4
9 9 8
POWER AMP
U11
MUTING MUTING
Q7 Q21
R-CH R-CH
D23 D20
HEADPHONE
AMP
U9
5 1 5 0 8 9 2 4 9
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
: CD PLAY
: TAPE PLAY
: RECORD
m
HCD-EP50LIV
2
9 9
CN17
SPEAKER
IMPEDANCE
USE 8Ω
+
L
–
–
R
+
R-CH
+9V
JK401
R-CH
PHONES
8 2 9 9