Sharp CD-DD4500 Service Manual page 23

IC907
IC606
KIA4558P
NJM4565M
OPE AMP.
BUFFER AMP
+B4
4 8
3
1
2
5
7
6
IC605
NJM4565M
BUFFER AMP
+B4 7 V
4 8
3
2
2
1 3
7 5
5
6
6
IC904
KIA4558P
OPE AMP.
IC607
NJM4565M
BUFFER AMP
HIGH PASS
FILTER
+B4
4 8
3 20ATT
2
1 Q401
Q402
7
5 Q407
6
+B3 M_+12V
+B4 A_+10V
1 3 6 13
VF2
100 93
28 CE
29
CLK
30
DI
31
DO
PSEANA
1 3
+B6
+B4
8
SYSTEM
MUTE IC703,IC704
KIA4558P
Q917
1
3 OPE AMP.
5 7
IC906
TC4053BP
TRIPLE 2 CH
MULILPEXER
+B4
13
8
1 3
7 1
2
5
SYSTEM
MUTE
3
13
4
Q906
Q907
14
5
12
IC905
TC4053BP
TRIPLE 2 CH
13
MULILPEXER
SYSTEM
MUTE
IC401
10
1
Q403
STK40224
Q404 15
POWER AMP.
Q408
16
9
8
+B1
D802
D803
IC850
KIA7810AP
D804
VOLTAGE
REGULATOR
IC851
+B5 5V KIA7805AP
CONSTANT VOLTAGE
REGULATOR
-VF
VF2
VF1
IC880
KIA7805AP
+B6 5V
CONSTANT VOLTAGE
REGULATOR
Figure 23 BLOCK DIAGRAM (3/3)
FL701
FL DISPLAY
14 19 29 53 56 58
Q701
VF1
Q702
Q703
Q704
Q705
Q706
-VF
92 87 86 60 79
IC701
IX0442AWZZ
SYSTEM MICRCOMPUTER
KEY
5 7 9 16 17 25
XL701
4.194304MHz
JOG701
VOLUME
KEY
SW701-SW712
SW714-SW716
SW722-SW729
SW731-SW734
14
SYSTEM
MUTE
L IC902
STK40270N
4 6 L
1
Q905
POWER AMP.
Q908 R
15 10
15
13
R
9
8
L
IC901
10 L
15 STK40270N
POWER AMP.
6 R
1
13
R
9
8
R
L
18
6
–B2
+B2
MAIN POWER TRANSFORMER
F804
6.3A/125V
F802
4A/125V
–B1
F803
4A/125V
D801
F805
6.3A/125V
F806
2A/125V
D806
F807
D805
2A/125V
SUB POWER TRANSFORMER
D884
D881
D882 D883
– 23 –
LCK1 49
LCK2
48
42
ERSET Q707
26 27
+B5
1
JOG +B6
3
RX701
2
REMOTE SENSOR
FAN MOTOR
DRIVER
Q423
+B3
RY901
RY902
+B3
+B3
+B3
RY402
RY401
T801
F801
6.3A/125V
RY801
T.F.
T802
CD-DD4500
+B5
18
4 LCK 1
VSS
IC702
BU2092F
INPUT/OUTPUT
EXPANDER
+B5
18
LCK
4 VSS 1
IC181
BU2092F
INPUT/OUTPUT
EXPANDER
SOC901
SUBWOOFER
PRE OUT
M401
M
FAN MOTOR
+B3
M402
M
FAN MOTOR
SO901
SPEAKER
TERMINAL
SUBWOOFER
MAIN
JK701
HEADPHONES
SOC401
SPEAKER JACK
SURROUND
CENTER
AC POWER
L802
LINE SUPPLY CORD
FILTER
AC120 V/60 Hz