Sharp LC-32GA8 Service Manual page 78

LC-32GA8/LC-32BV8
LC-37GA8/LC-37BV8
LC-32GA8E Main Unit Diagram
(Signal INOUT)
LC-32GA8E
I TO MAIN 6/6
+3.3V
FB2704
0061TA
TO MAIN 1/6
HDMI-VS
HDMI-HS
C2701
0.1u Z
25V
DVSYNC
TO MAIN 5/6
PCVV
PCVV
PCVH
16
BU_SDA3 VCC
H
BU_SCL3
/1G
TO MAIN 3/6
DVSYNC
BU_SCL3 HDMI-HS
DHSYNC
BU_SDA3
G
F
E
D
SC2705
WA010WJ
TO ATUNER
TL2707
SIF 1
TL2708
CVBS 2
GND 3
TL2709
ATUNER_+35V
+35V 4
*FB2701
0254TA
GND 5
TL2710
FB2702
+8V 6
0254TA
C ATUNER+8V S+8V
GND 7
FB2703
TL2711
0254TA
ATUNER+5V +5V
+5V
8
TL2712
ATUNER-SCL SCL3
SCL3
9 2 1
TL2713
ATUNER-SDA SDA3
SDA3
10 4 3
GND 11 R2702
TL2714 100
IFAGC 12 ATUNER-IFAGC
RJ2701
GND 13
TL2715
+5V(CONT) 14
GND 15
B
TO MAIN 5/6
CADC4
TO MAIN 3/6
SDA3
SCL3
RESET_N
TO MAIN 6/6
+5V
S+8V
BU+3.3V
BU+3.3V
A
AT+35V
1 2 3
Signal INOUT
(MAIN 2)
DUNTKD890WE02
HDMI-VS
DTVPC
3.3 0 0 0 0 0 0 0
15 14 13 12 11 10 9
/2G A 2C3 2C2 2C1 1C0 2Y
SYNC SELECT
IC2701
TVHC153T
(B,A)=
B 1C3 1C2 1C1 1C0 1Y GND 00:C0 DTV
01:C1 PC
1 2 3 4 5 6 7 8 10:C2 HDMI
11:C3 *
0 0 0 0 0 0 0 0
PCVH
TTL LEVEL INPUT
5V Tolerant
DHSYNC
INPUT PROTECT WHEN POWERDOWN
DTVHDMI
SC2702
WA251WJ
TO AV
NC
IN1FSW 1
AVLINK1 2
SLOWSW1 3
RED/C1 4
GND 5
6
GREEN1
7
GND
8
BLUE1
GND 9
VIN1 10
GND 11
IN1R 12
IN1L 13
GND 14
15
OUTTNV
16
GND
17
OUTTNR
ATUNER-SIF
18
OUTTNL
C2725
220P
GND 19
ATUNER-CVBS
NC 20
C2726
0.1u NC 21
TVB
NC 22
NC 23
NC
AVLINK1
AVLINK2
R2722
100
FB2715
0210TA
C2732
0.01u
4 5
6
CONFIDENTIAL
C2706
1u
50V
ASX
C2708
C2702 C2704
1u
100P 100P
50V
(CH) (CH)
ASX
R2706
220K
TL2701 FB2707
0061TA
for HDMI INPUT
HDMIA_R
C2709
J2701 1u
EA073WJ 50V
TL2705 FB2708
0061TA ASX
HDMIA_L
TL2706 FB2706
C2707
0061TA
1u
J2702
TL2702 FB2709 50V
EA073WJ
0061TA
HD1AR ASX
C2703 C2705
100P 100P
for RGB INPUT
(CH) (CH)
TL2703 FB2710
0061TA
HD1AL
R2707
TL2704 220K
FB2705
0061TA
SC2703 SC2704
WA251WJ WA251WJ
TO AV TO AV
TL2737 TL2751 TL2768
NC NC
IN1FSW IN2FSW IN3R
IN2FSW 1 IN3R 1
TL2738 TL2752 TL2769
AVLINK1 AVLINK2 IN3L
AVLIN2 2 IN3L 2
TL2739 TL2753 TL2770
SLOWSW1 SLOWSW2
SLOWSW2 3 GND 3
TL2740 TL2754
RED/C1 RED/C2 PO_MUTE
RED/C2 4 PO_MUTE 4
TL2771
TL2741 TL2755
OUTMONR
GND 5 OUTMONR 5
TL2756 TL2772
TL2742
GREEN1 GREEN2 OUTMONL
6 6
GREEN2 OUTMONL
TL2773
S_MUTE
GND 7 S_MUTE 7
TL2743 TL2757
BULE1 BLUE2
BLUE2 8 NC 8
TL2774
HPOUT-R
GND 9 HPOUTR 9
TL2744 TL2758 TL2775
VIN_1 VIN_2 HPOUT-L
VIN2 10 HPOUTL 10
GND 11 (HPMUTE) 11
TL2745 TL2759 TL2776
IN1R IN2R
IN2R 12 HPPLUG 12
TL2746 TL2760 TL2777
IN1L IN2L SPKR
IN2L 13 SPKR 13
TL2778
SPKL
GND 14 SPKL 14
TL2779
TL2747 TL2761
OUTTNV OUTV MUTE_SP
15 15
OUTV SPMUTE
16 16
GND SPPOW
TL2748 TL2762
OUTTNR OUTMONR
OUT2R 17 GND 17
TL2749 TL2763
OUTTNL OUTMONL
OUT2L 18 GND 18
TL2750 TL2780
S2_MUTE
S2_MUTE 19 A+5V 19
TL2764
SV1JSW
IN3SW 20 GND 20
TL2765 TL2781
IN3Y
IN3YV 21 GND 21
TL2766 TL2782
GND 22 8V 22
TL2767
IN3C
IN3C 23 8V 23
NC NC
3 4
1 2
R2704
10K
Q2702
3LN01S
4.8
3.3
D S
R2703
47K
G
R2724
0 3.3
AVLK1
B+8V
PO_MUTE
7 8 9
78
Q2703
2SC3928AR
R2710
8.1
7 8
10K
3.9
5 6
3 4
3 4
1 2 3.3 Q2706
8.1
2SC3928AR
1 2
3.9
R2708
100K
3.3
R2712
4.7K
DPC_L
8.1 3.3 3.3
C2714 16 15 14
10u C2715
VDD 2 1
16V 0.1u Z
ASX
Q2704 25V
IC2704
R2711
2SC3928AR
10K
8.1
7 8
4.0 0 2 Y
5 6
3 4 1 2 3
Q2705 0 3.3 0.2
3 4
1 2 8.1
3.5 C2722
2SC3928AR
0.1u Z
1 2
25V
4.0
R2709
100K
3.5
RGB_R
DPC_R
R2713
4.7K
*R2718
0
C2729
0.1u
SW(L=IN1,H=IN2)
2-IN,1-OUT,SWITCH
IC2702
R2714
100
MM1507XN
C2710 1.4
0
1 SW IN1 6
0.1u
25V
1.4 0
2 OUT GND 5
4.8 1.5
3 VCC IN2 4
C2712
0.1u
25V Z
RJ2736
RJ2738
SLOWSW2
SLOWSW1
RJ2737
TERMINAL+5V
OUTTNV
BU+5V
10
11 12 13
Ver.N2 (2006.05.16)
3.3V to 8V LEVEL Shift
Q2707
DTC144EE
8.1 0
0 Q2708
TO MAIN 3/6
DTC144EE
DTVPC
8.1
0
DTVHDMI
R2716
0
10K
2 1 (DTVHDMI,DTVPC)=
00:C0 DTV
01:C1 PC
4 3 10:C2 HDMI
11:C3 *
TO MAIN 6/6
POW_AUDIOSEL
S+8V
FB2711
C2724
0061TA
0.1u Z
25V
C2723
0.1u
25V Z
0 0 0 8.1 8.1
13 12 11 10 9
X 0 3 A B
(B,A)=
11:C3 DTV
CD4052BP 10:C2 PC
01:C1 HDMI
00:C0 *
3 1 INH VEE VSS
4 5 6 7 8
0 0 0 0 0
C2719
1u
16V
C2718
1u
16V
TO MAIN 3/6
RJ2702
IN2FSW
VIN18
RJ2703
BLUE2
VIN17
GREEN2 RJ2704
VIN16
RED/C2 RJ2705
VIN15
DTUNER-B RJ2706
VIN13
RJ2707
DTUNER-G
VIN12
RJ2708
DTUNER-R
VIN11
RJ2709
BULE1
VIN9
RJ2710
IN3C
VIN8
IN3Y
RJ2711
VIN7
RJ2712
RED/C1
VIN6
RJ2713
GREEN1
VIN5
IN1FSW RJ2714
VIN3
RJ2715
VIN2
ATUNER-CVBS RJ2716
VIN1
RJ2717
OUTV
CVO2
RJ2718
CVO1
SCART12
RJ2719
AUDIO2_L
AIN1L
RJ2720
AUDIO2_R
AIN1R
RJ2721
IN2L
AIN2L
RJ2722
IN2R
AIN2R
RJ2723
IN1L
AIN3L
RJ2724
IN1R
AIN3R
RJ2725
IN3L
AIN4L
RJ2726
IN3R
AIN4R
RJ2727
OUTTNL
AOUT1L
RJ2728
OUTTNR
AOUT1R
RJ2729
OUTMONL
AOUT2L
RJ2730
OUTMONR
AOUT2R
RJ2731
HPOUT-L
HPOUTL
RJ2732
HPOUT-R
HPOUTR
SBW_TEST
TP2701
RJ2733
ATUNER-SIF
SIF
RJ2734
SPKL
SPKOUTL
RJ2735
SPKR
SPKOUTR
P1_5
MUTE_SP
MUTE_SP
SV1JSW
SV1JSW
AVLK2
AVLK1
S2_MUTE
S2_MUTE
TO MAIN 5/6
CADC3
TO MAIN 6/6
S_MUTE
S_MUTE
TERMINAL+5V
BU+5V
14
15 16