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Schematic Diagram - Display Board - Sony HCD-EP50LIV Service Manual

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3 7 6 3 1 5 1 5 0
6-12. SCHEMATIC DIAGRAM – DISPLAY Board – •
DISPLAY BOARD
SW305
PLAY MODE
ROS/DIR
(AEP, UK)
L934SGC/B
L934SGC/B
L934SGC/B
CD
L934SGC/B L934SGC/B
L934SGC/B
TUNER MEM
ENTER
L934SGC/B
L934SGC/B L934SGC/B
D701–709
(LCD BACK LIGHT)
SEL2215S-CD
TIMER
4.2
0
LED DRIVE
0
10V
0.1
T E
L
1 3 9 4 2 2 9 6 5 1 3
4.9
A0
VCC
A1
TEST
4.9
A2
SCL
4.9
VSS
SDA
IC302
EEPROM
Q306
1SS133T
RESET
SWITCH
0.1
4.9
0
1SS133T
ROTARY
ENCODER
VOLUME
0.001
0.001
2
2.5
w w w
4.3
SWITCHING
.
http://www.xiaoyu163.com
See page 28 for Waveform.
TAPE
TUNER
0.01
I / 1
Y
X
x
0.01
0.01
DSIPLAY
PRESET +
PRESET –
TUNING + M >
TUNING – . m
0.01
MUSIC MENU
0.01
z
MEGA BASS
0
IC304
0.1
5.4
RESET SIGNAL
GENERATOR
5.4
5.4
IN
0.1
X302
10V
REMOTE CONTROL
GND
RECEIVER
5.4
OUT
RPM6938
x
a o
y
i
http://www.xiaoyu163.com
8
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
FWD : 5.2
REV : 0
CASSETTE IN : 5.2
NO CASSETTE : 0
PROTECT ON : 5.2
PROTECT OFF : 0
PROTECT ON : 5.5
PROTECT OFF : 0
0
0
GENERALDOUT
1
4.9
GENERALCLK
4.9
I2CDATA
5.5
4.9
I2CCLOCK
Q
Q
3
7
IC
6
3
1
2.7
X2
2.5
X1
4.9
µPD78064GF-187-3BA
4.9
5.4
SYSTEM CONTROLLER,
5.4
PWRFAIL
5.4
5.4 [0]
CDIN2
CDIN3
CDIN4
CDIN5
0 [5.4]
4.9
0
5.1
5.1
5.1
5.1
5.1
10V
0.1
10V
1SS133T
u 1 6 3
.
7
1
2
1
SW300
Z PUSH
B
MAIN BOARD (1/3)
OPEN/CLOSE
CN11
(Page 20)
25
25
2
4
9
9
8
CN301
LIQUID CRYSTAL DISPALY
2.5
SEG20
2.5
SEG19
2.5
SEG18
2.5
SEG17
2.5
SEG16
2.5
5
1
5
SEG15
0
8
9
2
4
2.5
SEG14
2.5
SEG13
2.5
SEG12
2.5
SEG11
2.5
SEG10
2.5
IC301
SEG9
2.5
SEG8
LIQUID CRYSTAL
2.5
SEG7
DISPLAY DRIVER
2.5
SEG6
2.5
SEG5
2.5
SEG4
2.5
SEG3
2.5
SEG2
2.5
SEG1
2.5
SEG0
1.7
3.2
4.9
4.9
2.5
2.5
2.5
2.5
(MONO STEREO)
1SS133T
STEREO t MONO
ISS
0.1
2 t 1
SEL2215S-CD
z
4.4
0
m
LED DRIVE
c o
11
1
C
MAIN BOARD (1/3)
CN5
(Page 20)
HCD-EP50LIV
2
9
9
9
8
2
9
9
16
1
D
A
MAIN BOARD (2/3)
MAIN BOARD (1/3)
F
CN15
CN4
(Page 20)
(Page 21)
MAIN BOARD (3/3)
CN2
(Page 22)

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