Sharp CD-E55 Service Manual - Page 17

Block Diagram 2/4

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CD-E500 CD-E55/E44 FROM DISPLAY SECTION CNS102 FROM DISPLAY SECTION CNS202 202 54321 FROM CD SECTION CNS204 CNP204 123456 CNP102 CD_+B +B4 1 MUTE 2 SIGAL_LVL 3 SP_RLY 4 SP_DETECT 5 FAN_START 6 FAN_PRT 7 CE CL DO DI D_GND DO DI CL M_GND +7V D_GND +B5 SYSTEM MUTE Q101 Q102 SO601 VIDEO/AUX IN AUX L 9 R 16 TAPE L 10 R 15 TUNER L 11 R 14 CD L 12 R 13 DI 1 CE 2 IC601 CL 24 LC75341M 21 R AUDIO PROCESSOR 4 L 7 8 17 18 3 23 +B2 IC101 STK40207 L 15 POWER AMP. R1 12 9 8 4 +B1 -B1 PRE +VCC +VCC -VCC PRE -VCC Q105 Q106 Q203 Q108 Q109 FAN MOTOR DRIVER Q201,202 Q204,205 +B3 M101 M FAN MOTOR SO101 SPEAKER TERMINAL Q103 Q104 6 R-OUT 7 10 L-OUT 11 RLY101 Q107 +B2 Q208 JK101 HEADPHONES F901 +B2 5A/125V +B4 CD+B Q207 Q206 CD_7V +B5 VOLTAGE REGULATOR A_12V +B2 CNP901 VF1 1 VF2 2 -B2 3 +B3 4 DGND 5 -30 V +5.6 V VF2 VF1 +B3 +5.6 V IC203 KIA7808API VOLTAGE REGULATOR IC202 KIA7812API VOLTAGE REGULATOR D901~D904 F902 5A/125V D905~D908 F903 1.6A/125V IC201 KIA7805API VOLTAGE REGULATOR Q901 VOLTAGE REGULATOR T901 POWER TRANSFORMER AC POWER SUPPLY CORD AC 120 V,60 Hz FROM CNS901 DISPLAY SECTION Figure 17 BLOCK DIAGRAM (2/4) - 17 -

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– 17 –
CD-E500
CD-E55/E44
T901
POWER TRANSFORMER
–30 V
SO101
SPEAKER
TERMINAL
R-OUT
L-OUT
RLY101
VF2
VF2
VF1
VF1
–B2
+B5
+B1
+B2
+B2
–B1
Q206
SYSTEM
MUTE
Q101
Q102
Q103
Q104
Q108
Q109
Q105
Q106
Q203
Q201,202
Q204,205
D905~D908
D901~D904
F903
1.6A/125V
F901
5A/125V
F902
5A/125V
+VCC
–VCC
PRE
–VCC
PRE
+VCC
IC101
STK40207
POWER
AMP.
AC
POWER
SUPPLY
CORD
AC
120 V,60 Hz
SO601
VIDEO/AUX IN
7
6
4
1
15
10
11
+B4
IC203
KIA7808API
VOLTAGE
REGULATOR
+B3
DGND
+5.6 V
+5.6 V
IC201
KIA7805API
VOLTAGE
REGULATOR
A_12V
CD_7V
CD+B
+B2
+B3
+B3
IC202
KIA7812API
VOLTAGE
REGULATOR
8
9
12
L
R
JK101
HEADPHONES
FROM
DISPLAY SECTION
CNS202
FROM
DISPLAY SECTION
CNS102
FROM
DISPLAY SECTION
CNS901
FROM
CD SECTION
CNS204
M
M101
FAN
MOTOR
FAN MOTOR
DRIVER
Q901
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
Q207
Q107
Q208
+B5
+B4
CD_+B
MUTE
SIGAL_LVL
SP_RLY
SP_DETECT
FAN_START
FAN_PRT
CL
CE
DI
L
R
L
L
R
R
R
L
TAPE
TUNER
CD
IC601
LC75341M
AUDIO
PROCESSOR
21
4
24
2
1
8
18
17
11
3
15
10
R
L
AUX
16
9
7
23
14
12
13
+B2
6
5
4
3
2
1
6
7
5
4
3
2
1
1
2
3
4
5
CL
CL
DI
DI
CE
DO
DO
+7V
D_GND
M_GND
D_GND
5
4
3
2
1
202
CNP204
CNP102
CNP901
Figure 17 BLOCK DIAGRAM (2/4)