Read Sony CMT-EP50LIV / HCD-EP50LIV Service Manual online
HCD-EP50LIV
25
25
MAIN BOARD (1/3)
CN11
B
MAIN BOARD (1/3)
CN5
C
MAIN BOARD (3/3)
CN2
F
MAIN BOARD (2/3)
CN15
D
MAIN BOARD (1/3)
CN4
A
1
(AEP, UK)
0
4.2
0
4.9
4.9
4.9
4.9
0
5.4
5.4
5.4
5.4
2
4.3
2.5
4.4
0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
1.7
3.2
4.9
4.9
2.5
2.5
2.5
2.5
4.9
0
0
0
0
0
4.9
1.6
{5.1}
5.1
4.9
2
5.5
5.1
5.1
5.1
5.1
5.1
0
4.9
0 [5.4]
CD LID OPEN : 4.7
CLOSE : 0
5.4 [0]
5.4
5.4
5.4
4.9
4.9
2.5
2.7
4.9
5.5
4.9
4.9
0
PROTECT ON : 5.5
PROTECT OFF : 0
PROTECT ON : 5.2
PROTECT OFF : 0
0
0.8
CASSETTE IN : 5.2
NO CASSETTE : 0
FWD : 5.2
REV : 0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
D701–709
(LCD BACK LIGHT)
TIMER
LED DRIVE
PLAY MODE
ROS/DIR
SW305
CD
TAPE
TUNER
I / 1
TUNER MEM
ENTER
Y
X
x
DSIPLAY
PRESET +
PRESET –
MUSIC MENU
TUNING + M >
TUNING – . m
z
MEGA BASS
IC302
EEPROM
A0
A1
A2
VSS
VCC
TEST
SCL
SDA
Q306
RESET
SWITCH
ROTARY
ENCODER
VOLUME
SWITCHING
X302
REMOTE CONTROL
RECEIVER
IN
GND
OUT
IC304
RESET SIGNAL
GENERATOR
POWER-FAIL
TIMER/ON/OFF
1
1
2
1
11
7
REC. LED+
CD_RESET
ST/BEAT
B+ (BK)
+5V (CPU)
POWER-
LINE
ISS
2 t 1
(MONO STEREO)
STEREO t MONO
z
LED DRIVE
GENERALDOUT
GENERALCLK
I2CDATA
I2CCLOCK
IC
X2
X1
PWRFAIL
CDIN2
CDIN3
CDIN4
CDIN5
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30(SEL6)
SEG31(SEL7)
SEG32
SEG33
SEL10
SEG35
SEL2
SEG32
SEL14
SEL15
GENERALDIN
IC301
SYSTEM CONTROLLER,
LIQUID CRYSTAL
DISPLAY DRIVER
DISPLAY DRIVER
CN301
LIQUID CRYSTAL DISPALY
1
16
Z
PUSH
OPEN/CLOSE
SW300
DISPLAY BOARD
L934SGC/B
L934SGC/B
L934SGC/B
L934SGC/B L934SGC/B
L934SGC/B
L934SGC/B L934SGC/B
L934SGC/B
SEL2215S-CD
10V
0.1
0.1
0.001
0.001
1SS133T
1SS133T
RPM6938
10V
0.1
0.1
0
1SS133T
1SS133T
0.01
0.01
0.01
0.01
0.01
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
µ
PD78064GF-187-3BA
0.1
10V
10V
0.1
1SS133T
SEL2215S-CD
1SS133T
1SS133T
1SS133T
6-12. SCHEMATIC DIAGRAM – DISPLAY Board –
•
See page 28 for Waveform.
(Page 20)
(Page 20)
(Page 22)
(Page 21)
(Page 20)
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