Read Sharp LC-32GD8EK (serv.man17) Service Manual online
110
LC-32/37GD8E/RU
LC-32/37BT8E/RU
LC-32GD8, LC-32BT8 Main Unit Diagram 2/6
(Signal IN OUT)
OUTTNR
IN2R
SPKR
ATUNER-SIF
IN2L
SPKL
GREEN2
IN2FSW
DTUNER-G
DTUNER-R
IN3C
RED/C2
BULE1
DTUNER-B
GREEN1
ATUNER-CVBS
HPOUT-R
HPOUT-L
RED/C1
OUTV
IN3L
IN3R
IN1L
IN1R
OUTMONL
OUTMONR
HDMI-VS
HDMIA_L
HD1AR
HD1AL
RGB_R
HDMIA_R
AUDIO2_L
VIN_2
VIN_1
DTVHDMI
SLOWSW2
SLOWSW1
OUTTNV
BLUE2
OUTTNL
PCVH
PCVV
IN1FSW
MUTE_SP
SV1JSW
S_MUTE
AUDIO2_R
ATUNER-SIF
IN1FSW
AVLINK1
SLOWSW1
RED/C1
GREEN1
BULE1
VIN_1
IN1R
IN1L
OUTTNV
OUTTNR
OUTTNL
IN2FSW
AVLINK2
SLOWSW2
RED/C2
GREEN2
BLUE2
VIN_2
IN2R
IN2L
OUTV
OUTMONR
OUTMONL
SV1JSW
IN3Y
IN3C
IN3R
IN3L
OUTMONR
OUTMONL
S_MUTE
HPOUT-R
HPOUT-L
SPKR
SPKL
MUTE_SP
AVLINK1
BU+5V
AVLINK2
RGB_L
DPC_L
DPC_R
ATUNER-CVBS
DTM_POWON
DTMSDA
ATUNER+8V
SCL3
SDA3
ATUNER+5V
ATUNER-IFAGC
ATUNER-SDA
ATUNER-SCL
BU+3.3V
DTUNER-G
DTUNER-R
DTUNER-B
DTUNER-R
DTUNER-B
DTUNER-AR
DTUNER-CVBS
DTUIN3Y
DTUNER-H
DTUNER-AL
DTVPC
HDMI-HS
DHSYNC
DVSYNC
DTUNER-V
DTUNER-V
B+8V
+5V
S+8V
S2_MUTE
S2_MUTE
PO_MUTE
DTM12V
POW+12V
DTMSCL
TERMINAL+5V
IN3Y
POW_AUDIOSEL
AVLK1
PO_MUTE
DHSYNC
DVSYNC
TVHC153T
1
/1G
2
B
3
1C3
4
1C2
5
1C1
6
1C0
7
1Y
8
GND
9
2Y
10
1C0
11
2C1
12
2C2
13
2C3
14
A
15
/2G
16
VCC
HDMI-VS
HDMI-HS
FB2704
0061TA
+3.3V
SBW_TEST
AOUT2R
VIN15
VIN5
VIN18
VIN16
AIN4R
AOUT1R
AIN2L
AIN3L
AOUT2L
VIN13
AIN1L
AIN3R
AOUT1L
VIN6
SPKOUTL
CVO2
VIN2
VIN8
VIN11
VIN3
VIN12
AIN2R
SPKOUTR
SIF
CVO1
AIN1R
VIN17
AIN4L
VIN1
VIN7
VIN9
FB2702
0254TA
0254TA
FB2703
0254TA
S+8V
+5V
TERMINAL+5V
MUTE_SP
S_MUTE
SV1JSW
BU+3.3V
AVLK1
HPOUTR
HPOUTL
CADC3
CADC4
DTUIN3Y
SDA3
SCL3
CD4052BP
1
0
2
2
3
Y
4
3
5
1
6
INH
7
VEE
8
VSS
9
B
10
A
11
3
12
0
13
X
14
1
15
2
16
VDD
FB2711
0061TA
0061TA
DTVPC
TL2701
DTVHDMI
TL2706
TL2705
S+8V
C2722
0.1u
25V
0.1u
25V
Z
C2723
0.1u
25V
0.1u
25V
Z
PCVV
PCVH
TL2702
TL2703
TL2704
R2702
100
2
1
3
4
C2724
0.1u
25V
0.1u
25V
Z
C2701
0.1u
25V
0.1u
25V
Z
Q2704
2SC3928AR
C2703
100P
(CH)
100P
(CH)
R2709
100K
100K
1
2
3
4
5
6
7
8
Q2705
2SC3928AR
2SC3928AR
1u
50V
50V
C2709
ASX
C2705
100P
(CH)
100P
(CH)
C2714
10u
16V
16V
ASX
1u
50V
50V
C2707
ASX
C2715
0.1u
25V
0.1u
25V
Z
R2713
4.7K
4.7K
2
1
3
4
R2707
220K
220K
2
1
3
4
1u
50V
50V
C2708
ASX
C2702
100P
(CH)
100P
(CH)
1u
50V
50V
C2706
ASX
R2712
4.7K
4.7K
2
1
3
4
Q2706
2SC3928AR
2SC3928AR
R2708
100K
100K
1
2
3
4
5
6
7
8
Q2703
2SC3928AR
C2704
100P
(CH)
(CH)
R2706
220K
220K
2
1
3
4
MM1507XN
2-IN,1-OUT,SWITCH
SW(L=IN1,H=IN2)
1
SW
2
OUT
3
VCC
4
IN2
5
GND
6
IN1
SCART12
C2712
0.1u
25V
0.1u
25V
Z
R2714
100
Q2708
DTC144EE
R2716
10K
10K
2
1
3
4
Q2707
DTC144EE
R2711
10K
10K
2
1
3
4
R2710
10K
10K
2
1
3
4
SC2704
WA251WJ
TO AV
1
IN3R
2
IN3L
3
GND
4
PO_MUTE
5
OUTMONR
6
OUTMONL
7
S_MUTE
8
NC
9
HPOUTR
10
HPOUTL
11
(HPMUTE)
12
HPPLUG
13
SPKR
14
SPKL
15
SPMUTE
16
SPPOW
17
GND
18
GND
19
A+5V
20
GND
21
GND
22
8V
23
8V
NC
NC
SC2702
WA251WJ
TO AV
1
IN1FSW
2
AVLINK1
3
SLOWSW1
4
RED/C1
5
GND
6
GREEN1
7
GND
8
BLUE1
9
GND
10
VIN1
11
GND
12
IN1R
13
IN1L
14
GND
15
OUTTNV
16
GND
17
OUTTNR
18
OUTTNL
19
GND
20
NC
21
NC
22
NC
23
NC
NC
NC
SC2703
WA251WJ
TO AV
1
IN2FSW
2
AVLIN2
3
SLOWSW2
4
RED/C2
5
GND
6
GREEN2
7
GND
8
BLUE2
9
GND
10
VIN2
11
GND
12
IN2R
13
IN2L
14
GND
15
OUTV
16
GND
17
OUT2R
18
OUT2L
19
S2_MUTE
20
IN3SW
21
IN3YV
22
GND
23
IN3C
NC
NC
R2703
47K
47K
2
1
3
4
BU+5V
AVLK2
P1_5
TP2701
C2718
1u
16V
1u
16V
C2719
1u
16V
1u
16V
C2725
220P
220P
RJ2701
RJ2702
RJ2704
RJ2713
RJ2714
RJ2708
RJ2703
RJ2712
RJ2711
RJ2706
RJ2705
RJ2716
RJ2718
RJ2709
RJ2707
RJ2710
RJ2715
RJ2717
RJ2726
RJ2728
RJ2722
RJ2723
RJ2732
RJ2724
RJ2731
RJ2725
RJ2730
RJ2727
RJ2721
RJ2719
RJ2729
RJ2720
RJ2735
RJ2733
RJ2734
RJ2738
RJ2736
RJ2737
TL2737
TL2738
TL2739
TL2740
TL2741
TL2742
TL2743
TL2744
TL2745
TL2746
TL2747
TL2748
TL2749
TL2750
TL2751
TL2752
TL2753
TL2754
TL2755
TL2756
TL2757
TL2758
TL2759
TL2760
TL2761
TL2762
TL2763
TL2764
TL2765
TL2766
TL2767
TL2768
TL2769
TL2770
TL2771
TL2772
TL2773
TL2774
TL2775
TL2776
TL2777
TL2778
TL2779
TL2780
TL2781
TL2782
R2704
10K
10K
2
1
3
4
FB2708
0061TA
FB2707
0061TA
FB2706
0061TA
FB2709
0061TA
FB2710
0061TA
FB2705
0061TA
J2702
EA073WJ
EA073WJ
for RGB INPUT
J2701
EA073WJ
for HDMI INPUT
DTU_ON
SC2705
WA010WJ
TO ATUNER
1
SIF
2
CVBS
3
GND
4
+35V
5
GND
6
+8V
7
GND
8
+5V
9
SCL3
10
SDA3
11
GND
12
IFAGC
13
GND
14
+5V(CONT)
15
GND
*SC2707
WA251WJ
WA251WJ
TO DTUNIT
1
FECLK
2
GND
3
FED0
4
FED1
5
FED2
6
FED3
7
GND
8
FED4
9
FED5
10
FED6
11
FED7
12
GND
13
FEERR_UNCOR
14
FEVAL_DEN
15
FESTR_PSYNC
16
FEOFF_X4M
17
GND
18
FEGP0_COMP
19
FEGP1_LOCK
20
I2CSEL
21
FESDA
22
FESCL
23
FERESETn
*P2702
MA202WJ
MA202WJ
TO DTUNER
1
+12V
2
GND
3
+12V
4
GND
5
GND
6
+5V
7
GND
8
+5V
9
GND
10
+5V
11
GND
12
+5V
13
GND
14
+5V
15
GND
16
+5V
17
ASPECT
18
GND
19
SCL
20
RESETn
21
SDA
22
IRQ
23
POWON
24
R
25
L
26
GND
27
V
28
BLUE
29
H
30
GND
31
GND
32
GREEN
33
CVBS
34
GND
35
GND
36
RED
37
FERESETn
38
GND
39
FESCL
40
FEOFF_X4M
41
FESDA
42
GND
43
FEGP0_COMP
44
FESTR_PSYNC
45
FEGP1_LOCK
46
FEVAL_DEN
47
FEERR_UNCOR
48
GND
49
GND
50
FED0
51
FED1
52
FED2
53
FED3
54
FED4
55
FED5
56
FED6
57
FED7
58
FECLK
59
GND
60
GND
TL2712
TL2714
TL2710
TL2715
TL2713
TL2708
TL2711
TL2709
TL2707
*TL2723
*TL2722
*TL2721
*TL2731
*TL2728
*TL2724
*TL2720
*TL2730
*TL2719
*TL2733
*TL2717
*TL2726
*TL2734
*TL2729
*TL2725
*TL2718
*TL2732
*TL2716
*TL2727
ANT+5V
POW+5V
POW+12V
*TL2735
DTM_IRQ
DTM_RESET
*RJ2739
*FB2713
0254TA
*FB2714
0254TA
0254TA
DTI2CSEL
*TL2736
*TL2783
*TL2784
*TL2785
*TL2786
*TL2788
*TL2787
*TL2789
*TL2791
*TL2792
*TL2793
*TL2794
*TL2795
*TL2796
*TL2797
BU_SCL3
BU_SDA3
*TL2798
*TL2799
*TL2800
FB2715
0210TA
MM1507XN
2-IN,1-OUT,SWITCH
SW(L=IN1,H=IN2)
1
SW
2
OUT
3
VCC
4
IN2
5
GND
6
IN1
*R2717
100
*C2727
0.1u
25V
Z
C2710
0.1u
25V
0.1u
25V
C2726
0.1u
TVB
0.1u
TVB
BU_SDA3
BU_SCL3
*R2701
10K
*R2705
10K
*R2715
1K
1K
*R2719
1K
1K
*R2721
100K
100K
*R2720
100K
100K
TO MAIN 6/6
*C2728
1u
16V
1u
16V
Z
*C2711
1u
16V
1u
16V
Z
C2729
0.1u
0.1u
S2_MUTE
*Q2710
3LN01S
3LN01S
S
D
G
*Q2709
3LN01S
3LN01S
S
D
G
Q2702
3LN01S
3LN01S
S
D
G
RESET_N
R2722
100
*R2723
4.7
4.7
*C2731
0.01u
0.01u
*C2730
10u
16V
16V
KZA073WJ
1.5uH
*L2701
CUN
R2724
0
C2732
0.01u
0.01u
(B,A)=
00:C0 DTV
01:C1 PC
10:C2 HDMI
11:C3 *
SYNC SELECT
(DTVHDMI,DTVPC)=
00:C0 DTV
01:C1 PC
10:C2 HDMI
11:C3 *
TTL LEVEL INPUT
5V Tolerant
INPUT PROTECT WHEN POWERDOWN
(B,A)=
11:C3 DTV
10:C2 PC
01:C1 HDMI
00:C0 *
3.3V to 8V LEVEL Shift
TO MAIN 3/6
TO MAIN 6/6
TO MAIN 5/6
TO MAIN 3/6
TO MAIN 6/6
TO MAIN 6/6
TO MAIN 5/6
TO MAIN 3/6
TO MAIN 3/6
TO MAIN 6/6
TO MAIN 1/6
TO MAIN 5/6
Ver.N2 (2006.05.16)
LC-32GD8E
IC2701
IC2704
IC2702
DUNTKD890WE06
*IC2705
Signal INOUT
(MAIN 2)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.3
0
3.3
0.2
0
0
0
0
0
8.1
8.1
0
0
0
3.3
3.3
8.1
3.5
8.1
4.0
3.5
8.1
4.0
3.3
8.1
3.9
3.3
8.1
3.9
0
1.4
4.8
1.5
0
1.4
0
8.1
0
0
8.1
0
3.3
4.8
3.3
CONFIDENTIAL
Ver.N2 (2006.05.16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
I
H
G
F
E
D
C
B
A
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