Sharp CD-DD4500 Service Manual page 27

TO
CNP503
DOLBY PWB
P33 12-B
12
FFC607
1
11 9 8 7 6 5 4 3 2 1
10
CNP607
-B
B
R644
10
1 DVDD
42
2 CLK
+B 41
3 DATA 40
4 LATCH 39
C633 C188
R665
5 AVDD D_GND 38
22/50 0.022
10K
6 SWIN A_GND 37
R666 C646
7 S_GND SW_OUT 36
10K 22/50
C640
8 SR_IN SR_OUT 35
22/50 C639
R667 10K
9 SL_IN SL_OUT 34
C637
C645 22/50
10 C_GND C_OUT 33
C634 22/50 22/50
11 C_IN R_OUT 32
R668 10K
C635
GND_R L_OUT 31
12
C654 22/50 22/50
R_IN AVSS 30
13
C653
14 GND CL1 29
22/50
C632
15 L_IN CL2 28
22/50
BYPASS_R CR1
16 27 C656
C196
3.3/50
BYPASS_L CR2 26
17
0.0082
C199
C631
18 L_TRE R_TRE 25 0.0082
22/50
19 L_BASS3 R_BASS3 24
B
20 L_BASS2 R_BASS2 23
L_BASS1 R_BASS1 22
21
C195
0.33
IC602
M62446FP
6-CH ELECTRONIC
VOLUME
+B
IC181
BU2092F
INPUT/OUTPUT
EXPANDER
R177
0K
R189
1K R188 1K SW-MUTE
9
10 Q5 Q4
R187 1K RLY2/6
R190 1K
11 Q6 8
Q3
R186 100
SW-SPRLY
R191 1K
12 Q7 Q2 7
R192 R185 100
_CTL S-SPRLY
6
13 Q8 Q1
_ATT 1K R184 100 C-SPRLY
14 5
Q9 Q0
R183 1K
R193 100 LCK2
NC 15 Q10 4
LCK
T
R194 1K R182 1K CLK
C183
16 Q11 CLOCK 3
R195 1K R181 1K
100P DI
2
17 OE DATA
(CH)
+B
1
18 VDD VSS
+B
Q103
KTC3199 GR
+B
+B
C699 220/6.3
D604 DS1SS133
-B
+B
R604
10K
+B
+B
B
-B
3
2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
2 3
1
NP7
36
7
CENTER
-B
SW
R649
1K
R650
1K
-B
C638
22/50
RS
LS
22/50
R-CH
C636
22/50
RS-CH
L-CH
Q601 KTA1271 Y
-B
L-CH
ZD601 DZ7.5BSC
R-CH
ZD602
DZ7.5BSC
+B
A_GND
A_+10
+B
D_GND
–13V
-B
R175 10K
R174 10K
R173 4.7K
R172 4.7K
R171 4.7K
+B
+B
+B
+B
+B
R858
D853
1K
DS1SS133
R857
+B
1K
D852
M_GND
DS1SS133
+B
+B
R856
D851
1K
DS1SS133
+B
+B
TO
DISPLAY PWB
CNP701
P28 1-D
8
Figure 27 SCHEMATIC DIAGRAM (4/14)
R677
C675 C679
1.8K
0.0082 2.2/50
R671
(ML)
C677
1K
CCH R681
100P
3.3K
R673 (CH)
3 2 1
1K
4
R679
R675
3.9K
100K
R676
R680
100K
1.2K
8
R674 6
5 7
1K C678
SW-CH
R682
100P
C676 3.3K
R672
(CH)
1K 10/16
C680
R678
2.2/50
15K
R691
R695
C693
15K 3.3K
2.2/50
R685
LS-CH
1K C691
100P
C689
(CH)
R687
10/16 3 2 1
1K
4
R693
R689
3.9K
100K
R690
R694
100K
3.9K
8
C690
C692
5 6 7
R688
10/16
100P(CH)
1K
R696
3.3K
R686
C694 R692
1K
15K
2.2/50
R657
15K
C665
2.2/50
C663
R651
100P
1K
(CH)
L-CH R661
3.3K
C661
R653
10/16 3 2 1
1K
4
R659
3.9K
R660
3.9K
8
R654 5 6 C664
7
100P
1K
R-CH
(CH)
C662 R662
R652
10/16 3.3K
1K
C666
R658
2.2/50
15K
IC605
NJM4565M
+B
BUFFER AMP.
-B
IC851
KIA7805AP
M_12V
+B
CONSTANT VOLTAGE REGULATOR
+5V
+B +B
+5V_CD
12.1 V
+5V_A
+B 5 V
3 1
SWD_5V
2
C859
0.047
0 V
(ML)
CD_GND
Q850
KTC2026 Y
+B
12.3 V 23.5 V
+B
R850
3.3
13 V
(1/2W)
+B
ZD850
DZ2.4BSB
10 V
24.1 V
A_+10V
3 1
2
C853
C854
0 V
0.047 0.047
A_GND (ML) (ML)
IC850
D_GND
KIA7810AP
+B
VOLTAGE REGULATOR
CNP601
36
FFC701
1
9 10
– 27 –
C681
1/50
IC606
R683 NJM4565M
100K
BUFFER AMP.
R895
2.2K
Q893
KTC3199 GR
R896
1K
C682
1/50
C695
1/50
R697
100K
IC607
NJM4565M
BUFFER AMP.
C696
1/50
C667 R893
1/50 1K Q891
KTC3199 GR
R663
100K
R891
2.2K
R892
2.2K
Q892
KTC3199 GR
R894
C862
1K
1/50
R890
22K
C668
1/50
-B
R862 R861
10K
10K
+B
R860
10K
0 V
5 V
0 V
Q851
KTC2026 Y
+B
+B
RP851
+B
+B
+B
+B
SP_DET
P_IN
AC_RLY
11
CD-DD4500
CNP603
LS
1
A_GND
2
RS
3
CNS407
CENTER
4
FROM
S-SPRLY
5 AMP. B PWB
C-SPRLY P31 10-H
6
CNP901
SW
1 19
A_GND
2 18
R-CH
3 17
A_GND
4 16
L-CH
5 15
A_+10
+B
6 14
+5V
+B
7 13
M_GND
8 12
–13V
-B
9 11
TO
FAN_CTL
10 10 AMP. A PWB
F_RLY
P34 1-D
11 9
SW-SPRLY
12 8
HP_SW/MIC_IN
13 7
M_12V
14 6
S_MUTE
15 5
–11DB_ATT
16 4
SP_DET
17 3
RLY2/6
18 2
SW-MUTE
19 1
BI850
CNS850
+18V
1 1
+18V
2 2
GND
3 3
GND
4 4
P_IN
5 5
–VF
6 6
VF2
7 7
VF1
CNP807
8 8
+9V
TO
9 9
POWER PWB
UN_SW 5V
10 10 P30 3-H
AC_RLY
11 11
D_GND
12 12
D859
DS1SS133
D860
DS1SS133
CHASIS
C877
0.022
12