Sharp CD-DVD500 Service Manual page 30

CD-DVD500
A
MAIN PWB-A (1/2)
B
C
DO
1
CE
2
DI
3
CLK
4
TO
TUN_SM
TUNER PWB
5
P41 11-H D_GND
6
A_+10V
+B
7
TUN_L
8
A_GND
9
TUN_R
10
D
JK601
VIDEO/AUX IN
L-CH
R627
39K
R-CH
R628
39K
D601
DS1SS133
D602
DS1SS133
CHASSIS
C600
0.022
E
TAPE 1
PLAYBACK HEAD
CNP101
T1_R 1
1
2 A_GND
2
3
T1_L
3
CNP102
F
ERASE HEAD
M_GND
1
1
ERASE
2
2
T2_R2 3
3
A_GND 4
4
T2_R1 5
5
6
T2_L1
6
T2_L2
7
TAPE 2
RECORD/
PLAYBACK HEAD
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 56.
1
+B
C626
100P(CH)
C603
100P
(CH)
C604
100P(CH)
C623
10/50
C605
0.1
R605
3.9K C609
0.0027
C613
1/50
C617
1/50
IC102
BA3126N
HEAD SELECTOR
1 9
8
2
3 7
4
R105
100
5 6
Q101
2
KRC104 M
3
1
R104
5.6K
R107
C103
1K
10/16
C102
560P
R102
1K
L
C101
R101
560P
1K
C106
180P(CH)
C111
180P
(CH)
C105
180P
R113
15K
2
Figure 30 SCHEMATIC DIAGRAM (5/18)
15
FFC602
1
FM SIGNAL
PLAYBACK SIGNAL
VIDEO IN SIGNAL
RECORD SIGNAL
IC601
LC75341
AUDIO PROCESSOR
+B
IC601
LC75341
1 DI 24
CLK
2 CE
23
VDD
C625
22/50
3 VSS 22
VREF
C624
10/50
C606
4 LOUT
ROUT 21
C607 C608 0.1
0.1 0.1 R606
5 LBASS 20
RBASS
3.9K
C610
0.0027
6 LTRE 19
RTRE
C611 C612
7 LIN 18
RIN
1/50 1/50
C614
1/50
8 LSEL0
RSEL0 17
C616
C615 1/50
9 L4 AUX
16
R4
1/50
C618
1/50
10 L3 DECK 15
R3
C619 C620
1/50 1/50
L2 TUNER
11 14
R2
12 L1 DVD R1 13
R
+B
Q122
KTC3199 GR
0V
0.7V
R114 R154
0V
15K 10K
R
C118
R118
0.033
1K
C120
560P
C114
C134
180P
R124
22/25
3.9K
(CH)
R122
20 19
24 23 22 100K 21 18 17
112K
– –
+ IC101 +
Hich=T1 Hich=CHROME
AN7345K
+ +
–
–
112K
R121
1 2 3 4 5 6 7 8
100K
R123 C133
3.9K 22/25
C119
R117 C113 C117 560P
1K 180P 0.033
(CH)
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
3 4
– 30 –
TO
DOLBY PWB
CNP502
P37 12-D
1
15
CNP602
1 2 3 4 5 6 7 8 9
+B
R109
270K
R108
+B
270K
0V
R153
10K
0.7V
Q121
0V
KTC3199 GR
+B
R158
220
14
16 15 13
56K
56K
9 10 11 12
0V
0V
11.6V
Q126
KRC104 M
C141
47/25
0V
0V
R145
0V
10K
C150
0.0082(PP)
5
T
CNP503
DOLB
P37
1
12
10 11 12 13 15 9 8 7 6 5 4 3 2 1
14 12 11 10
1
2
3
4
R665 C633
5 AVDD
22/50
10K
6 SWIN
R666
C646
7 S_GND
10K 22/50
SR_IN
8
R667 10K
9 SL_IN
C645 22/50
R646
10 C_GND
C634 22/50
270K
C187
C_IN
11
0.022
R668 10K
12 GND_R
C654 22/50
D184
13 R_IN
DS1SS133
C653
14 GND
22/50
D183
C632
15 L_IN
22/50
DS1SS133
BYPAS
16
C196
BYPAS
17
0.0082
C631
18 L_TRE
22/50
19 L_BAS
20 L_BAS
L_BAS
21
+B
IC
M624
6-CH ELE
VOL
+B
+B
+B
IC181
BU2092
INPUT/OUT
EXPAND
R177
10K
R189
R
T_BIAS 100
9
10 Q5 Q4
T1/T2 R
R190 100
11 Q6 8
Q3
R
REC/PLAY
R191 100
12 Q7 Q2 7
FAN_CTL R192 1K R
6
13 Q8 Q1
–11DB_ATT R193 100 R
14 Q9 Q0 5
R194 1K
NC 4
15 Q10 LCK
DD_RST
R195 100
16 Q11 3
CLOCK
17 OE DATA 2
+B
1
18 VDD VSS
+B
1 2 3 4 5 6 7
1
36
6