Sharp CD-DD4500 Service Manual page 26

CD-DD4500
A
MAIN PWB-A (1/2)
B
C
DO
1
CE
2
DI
3
CLK
4
TO
TUN_SM
TUNER PWB
5
D_GND
P37 11-H
6
A_+10V
+B
7
TUN_L
8
A_GND
9
TUN_R
D
10
L-CH
JK601 R627
VIDEO
VIDEO/ 39K
IN
AUX IN
R-CH
R628
39K
D601
DS1SS133
D602
DS1SS133
CHASIS
C600
0.022
E
C102
CNP101
560P
T1_R
1
1
2 A_GND 2
3
T1_L
3
C101
560P
TAPE 1
C106
PLAYBACK HEAD
F
180P(CH)
CNP102
ERASE HEAD
M_GND
1
1
ERASE
2
2
T2_R2 3
3
4
A_GND
4
T2_R1 5
5
T2_L1 6
6
T2_L2
7
TAPE 2
RECORD/
PLAYBACK HEAD
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.
1
+B
C626
100P
(CH)
C603
1
100P
(CH)
2
C604
100P(CH)
3
C623
10/50
4
C605
C607
0.1
0.1
5
R605
3.9K C609
6
0.0027
C611
7
1/50
C613
8
1/50
C615
9
1/50
C617
10
1/50
C619
1/50
11
12
IC102
BA3126N
HEAD SELECTOR
1 9
2 8
3 7
4
+B
R105
100
6
5
Q101
KRC104 M
2
3
1
R104
R114
5.6K
R107 15K
C103
1K
10/16
R102 R
1K
R118
L
R101
1K
1K
C114
180P
24 23
C111 1 2
180P
(CH)
R117
C113
1K 180P
(CH)
C105
180P
R113
15K
2
Figure 26 SCHEMATIC DIAGRAM (3/14)
DOLBY PWB
P33 12-D
15
FFC602
1
FM SIGNAL
PLAYBACK SIGNAL
VIDEO IN SIGNAL
RECORD SIGNAL
IC601
LC75341
AUDIO PROCESSOR
IC601
LC75341
DI 24
CLK
+B
+B
CE
23
VDD
C625
22/50
VSS
VREF 22
C624
C606 10/50
LOUT 21
ROUT
0.1
C608
0.1 R606
LBASS
20
RBASS
3.9K
C610
0.0027
LTRE 19
RTRE
C612
LIN 18
RIN
1/50
C614
1/50
LSEL0
17
RSEL0
C616
1/50
L4 AUX
R4 16
C618
1/50
L3 DECK 15
R3
C620
1/50
L2
TUNER 14
R2
L1 DVD
R1 13
R
Q122
KTC3199 GR
0V
0.7V
R154
0V
10K
C118
0.033
C120
560P
C134
R124
22/25
3.9K
(CH)
R122
20 19 18 16
22 100K 21 17
112K
– –
+ IC101 + 56K
Hich=T1 Hich=CHROME
AN7345K
+ +
56K
–
–
112K
R121
3 4 5 6
7 8 9
100K
R123 C133
3.9K 22/25
C119
C117 560P
0.033
C141
47/25
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
3 4
– 26 –
TO
CNP502
1
15
1 2 3 4 5 6 7 8 9 10 11 12 13
CNP602
R646
270K
+B
T_BIAS
T1/T2
REC/PLAY
R109
270K
R108
+B
270K
R153 0V
10K
0.7V
Q121
0V
KTC3199 GR
+B
R158
220
15 14 13
10 11 12 1
0V
2
0V
3
11.6V
0V
0V
R145
0V
10K
C150
0.0082(PP)
C186
0.022
5
TO
CNP503
DOLBY
P33
1
12
15 12 11 9 8 7 6 5 4 3 2 1
14 10
C
-B
+B
1
2
+B
3
4
C633
R665
5 AVDD
22/50
10K
6 SWIN
R666 C646
7 S_GND
10K 22/50
8 SR_IN
R667 10K
9 SL_IN
C645 22/50
C_GND
10
C634 22/50
C187
11 C_IN
0.022
R668 10K
12 GND_R
C654 22/50
D184
R_IN
13
DS1SS133 C653
14 GND
22/50
D183
C632
15 L_IN
DS1SS133 22/50
16 BYPASS_R
C196
BYPASS_L
17
0.0082
C631
L_TRE
18
22/50
19 L_BASS3
+B 20 L_BASS2
21 L_BASS1
IC6
M624
6-CH ELE
VOL
+B
IC181
BU2092F
INPUT/OUTPU
EXPANDER
R177
10K
R189
R188
1K
10 Q5 Q4 9
R187
R190 1K
8
11 Q6 Q3
R186
R191 1K
7
12 Q7 Q2
R192
FAN_CTL R185
13 Q8 6
Q1
1K
–11DB_ATT R184
14 Q9 Q0 5
R193 100
NC 4
15 Q10 LCK
DD_RST R194 1K
C183
16 3
Q11 CLOCK
R195 1K 100P
OE 2
17 DATA
(CH)
+B
18 VDD VSS 1
+B
+B
+B
D604 DS1SS133
+B
+
D181
+B
DS1SS133
D182 +B
DS1SS133
1 2 3
1 2 3 4 5 6 7 8
1 2 3
CNS606
1
TO
CNP7
CD SERVO
PWB
P25 12-D
36
6