Sharp SD-AT50H Service Manual page 30

SD-AT50H
A
1 2 3 4 5 6 7
C12
0.47
C13
0.47
R18
10
B
+B
FFC503
1
C
1 2 3 4 5 6 7 8 9
D
1
RIN
1
LIN
2
ROUT1
3
LOUT1
4
ROUT2
5
E
LOUT2
6
ROUT3
7
LOUT3
8
+9V(A)
9
GND(A)
10
+5V(D)
11
AMP_CLK
12
CCB_CE
13
AMP_SOUT
14
CCB_DI
15
GND(U-COM)
16
CCB_CL
17
GND(D)
18
CCB_DO
19
+3.7V(UN-SWD)
20
TUNER_SM
21
AMP_INT
22
FM_STB
23
AMP_SIN
24
AMP_STB
25
25
FFC501
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 42.
1
SW1
POWER
LCD1
8 9
10 11 12
LED1
LED2
C11
31URT21 31URT21
0.1
RED
R2
R1
1.5K
1.5K
RED
C18
0.1
BLUE
LED10
SELU2E10
LED9
BLUE
SELU2E10
R9
1 2
120
1 2
2 3
3 KRC107 S
Q8
KRC107 M
+B
D1
DS1SS133
+B
CN503B
P33 11 - A
TO DSP PWB
9
CN503A
+B
CONFIG
3 2
Q528
1 KRC107 M
C526
2.2/50
R508
C525
C528
100K
2.2/50
2.2/50
+B R512 220
R511 220
+B C527 R514 R513 C534
2.2/50 100K 100K 0.015
C530
R516 220
2.2/50 R515 220
C529
R518 R517
C536
2.2/50
100K 100K
0.015
C532 R520 220
2.2/50 R519 220
C531
R522 R521 C538
2.2/50
+B 100K 100K 0.015
+B
+B
2
Figure 30 SCHEMATIC DIAGRAM (1/11)
SW2
SW3 SW4
VOLUME VOLUME SW5
DIGITAL/
UP DOWN ANALOG FUNCTION
R11 R12 R13
3.3K 2.2K 1.8K
LED3 LED4 LED5 LED6 LED7
3105VGT 31URT21 3105T1 3105VGT 3105T1
GND(U-COM)
R3
R4 R5 R6 R7
ORANGE
220 1.5K 220 220 220
Q7
ORANGE GREEN
GREEN RED
KRC107 S
1
2 3
1
2 3
1 Q6
2 3 KRC107 S
1
2 3 Q5
1 KRC107 S
Q4
2 3 KRC107 S
1 Q3
3 KRC107 S
Q2
Q1~Q9: LED DRIVER
REMOTE SENSOR
RMS1
R10
GP1UD271
33
RXIN
2 1
3
C2
C1 LED8
10/16
SEL2E10C
0.022
C3
150P(CH)
C14
0.022
+B
C15
L01
0.022
2.2 µH
H.P SW
C16: 0.001
WI01
D2~D5: DS1SS133
D501
DS1SS133
D502
DS1SS133
AGND
Q501
KRA107 M
3 2
R649
1
100K
3 2
-B
R648
1
100K
+12V
Q502
KRA107 M
R510
1.8K
R507 R509
100K 1.8K
C533
0.015
-B
C535
0.015
C537
0.015
3 4
– 30 –
DISPLAY PWB-A2
1
KEY_1
1
+B +5V(D)
2
GND(U-COM)
3
+5V(D)
+B
STRLED
4
H.P SW
5
STDLED
6
R-CH
7
GND(D)
8
L-CH
9
VIRLED
10
GND(A)
11
DPLLED
12
LCDRESET
13
DDLED
14
LCDCS
15
DTSLED
16
LCDSCL
17
TIMERLED
+B
18
LCDSDA
19
+B
+3.7V(UN-SWD)
20
+3.3V(SWD)
21
POWERKEY
+B
22
RXIN
23
BLIGHT
24
LED9V
25
25
FFC502
+B
AGND
+B
+B
SW
+B
CENTER
+B
+B
5
JT501
DVD/CD/TV
INPUT
TERMINAL
R644
18K
C660
1/50
C662
47P(CH)
R646
47K
24 23 22 21 20 19 18 17 16 15 14 13 1
IN DSPSR
25
IN DSPSL
26
INDSPC
27
IN DSPSW
28
IN1MIX
29 AGND1 22
23 IN2DSP
C501 30 GOUTSW
24 IN2MIX
10/16
31 VINSW IC5
32 AGND2
BD38
C502 33 GOUTC
10/16 VOLU
34 VINC
35 OUTSW
39 VINSL
36 OUTC
40
GOUTSL
OUTSL
37
OUTSR
38
39
40
C503
10/16
41 42 43 44 45 46 47 48 49 50 51 52 5
C504
C505
10/16
47/16
D537
DS1SS133
D538
-B
DS1SS133
C664
+B
100P
6