Sharp LC-20S5E-BK Service Manual page 44
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Also See for LC-20S5E-BK:
- Service manual (59 pages) ,
- Gebruiksaanwijzing (24 pages) ,
- Operation manual (24 pages)
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A
B
8
FROM/TO REGULATOR
P.CON+5V
AT+3.3V
AT+1.8V_2
B802
S_3.3FE
AT+1.8V_1
HCB1608KF-181T20
C813
0.1 B
GND
B803
S_3.3VO
HCB1608KF-181T20
B804
S_3.3IO3
7
HCB1608KF-181T20
AT+3.3V
B805
S_3.3IO1
HCB1608KF-181T20
B806
S_3.3COM
HCB1608KF-181T20
B807
S_3.3DAC
HCB1608KF-181T20
KEY-A
B808
S_3.3DIG
KEY-B
HCB1608KF-181T20
AGC
B809
S_3.3RAM
LIGHT_CONTROL1
HCB1608KF-181T20
KEY-C
GND
GND
B810
S_3.3FL
S_3.3DAC
HCB1608KF-181T20
6
LIGHT_CONTROL2
B811
S_3.3IO2
C809 0.1 B
HCB1608KF-181T20
B812
S_1.8FE
S_1.8FE
HCB1608KF-181T20
C874
S_3.3FE
GND
HSYNC
27P CH
B801
S_1.8DIG
VGA-B
L800
HCB1608KF-181T20
2.2uH
VGA-G
NLV25
VGA-R
SCART1_Y_IN
GND
SCART1_B_IN
SCART1_G_IN
SCART1_R_IN
FROM/TO POWER1
L802
AV3_C_IN
5
2.2uH
AV3_Y_IN
GND
AT+3.3V
NLV25
PANEL_ON-H1
C7248
PANEL_ON-H2
27P CH
SYS_POWER_H
LIGHT_CONTROL1
S_1.8FE
LIGHT_CONTROL2
POWER_FAIL
GND
STANDBY_H
SCART2_C
INVERTER_DET
P.CON+8V
AV3_CVBS_IN
FROM/TO SOUND AMP
SYS_POWER_H
SCART2_Y/CVBS_IN
AUDIO_MUTE
4
REMOCON
SP_AUDIO_OUT_L
SP_AUDIO_OUT_R
STANDBY_LED
SCART2_MONITOR_OUT
S_3.3VO
S_3.3IO3
L806
L804
AT+3.3V
2.2uH NLV25
2.2uH NLV25
SCL
C7247
C896
SDA
27P CH
27P CH
3
FROM/TO TUNER
TUNER_CVBS_IN
SIF
AGC
SCL
SDA
GND
C900
27P CH
SCART2_C
L7202
2.2uH
NLV25
FROM/TO 21PIN
SCART1_CVBS_IN
GND
SCART2_C_IN
2
SCART2_Y/CVBS_IN
SCART1_AUDIO_R
AT+3.3V
SCART1_AUDIO_L
SCART1_R_IN
SCART1_G_IN
SCART1_B_IN
SCART1_Y_IN
SCART2_MONITOR_OUT
SC1_A_OUT_L
SC1_A_OUT_R
SCART1
SCART2
SCART2_AUDIO_L
SCART2_AUDIO_R
SC2_A_OUT_L
SC2_A_OUT_R
AUDIO_MUTE
1
A
B
H-11
C
GND
156
155
154
153
152
151
150
R807
68
3.2
R810
68
3.2
3.2
R808
68
3.2
R802
68
2.8
P1_5
3.2
C817
0.1 B
P1_4
0
GND3.3DAC
3.2
VSUP3.3DAC
3.2
R813
100
P1_3/ROUT/PWM3
R847
100
3.2
P1_2/GOUT/PWM2
0
P1_1/BOUT/PWM1
3.2
P1_0/SVMOUT/REV
C814 0.1 B
1.8
VSUP1.8FE
3.2
VSUP3.3FE
3.2
VIN22/DHS
R816
47
C822
0.1 B
1.2
VIN21
R867
47
C830
0.1 B
1.2
VIN20
1.2
R850
47
C840
0.1 B
VIN19
R811
1.6
VIN18
47
R855
47
C819
0.1 B
1.4
VIN17
1.4
R868
47
C827
0.1 B
VIN16
R857
47
C838
0.1 B
1.4
VIN15
R875
47
C832
0.1 B
1.0
NC
VIN13
R876
1.0
1.0
NC
VIN12
1.0
47
C833
NC
VIN11
0.1 B
1.0
NC
VIN9
1.4
C810
VIN8
D828
1.3
VIN7
0.1 B
1.8
VSUP1.8FE
0
GNDA
R864
47
C824
0.1 B
1.4
VIN6
1.4
R860
47
C834
0.1 B
VIN5
1.0
R865
47
C825
0.1 B
VIN3
R861
47
C835
0.1 B
1.4
VIN2
1.7
R866
47
C826
0.1 B
VIN1
L803
3.2
L805
VSUP3.3VO
2.2uH
0
NLV25
NC
VOUT3
2.2uH
NLV25
0
NC
VOUT2
C882
C894
1.4
VOUT1
27P CH
27P CH
0
GND3.3IO3
3.2
VSUP3.3IO3
0
NC
656I0/P3_0
0
NC
656I1/P3_1
0
NC
656I2/P3_2
0
NC
656I3/P3_3
0
NC
656I4/P3_4
0
NC
656I5/P3_5
3.2
NC
0
NC
0
5.0
5.0
0
5.0
0
5
6
7
8
NC
NC
0
1
2
3
4
5
6 7 8 9
4
3
2
1
0
0
0
0
RESETQ
0
0
NC
NC
5
4
NC
NC
OUT
IN
GND
1
2
3
R812
3.4
3.4
0
10K
D804
RB520S-30-TE61
C
D
E
SCALER SCHEMATIC DIAGRAM
(MAIN PCB)
9
149
148
147
146
145
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
NC
NC
156
155
154
153
111
110
109
108
107
106
157 DRO1_8
158
DRO1_9
OSDB0/DGO2_1
104
159 P1_7/TDO
OSDB1/DGO2_0
103
160 P1_6/TCLK
OSDB2/P3_4/DBO2_7
102
SCALER/MIOCN
IC803
101
OSDB3/P3_5/DBO2_6
VCT-6773G-FA-B3-000
56
DRI1
55
DRI2
54
DRI3
204
656I6/P3_6
53
DRI4
205
656I7/P3_7
206
656CLKI
207
656CLKO
49
50
208
656O7/P4_7/TCLKFW
1
2
3
4
51
52
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28 29
30 31 32 33 34 35 36 37 38 39
40 41 42 43 44 45 46 47 48 49
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D
E
F
G
C839 0.1 B
115
114
113
112
111
110
109
108
107
106
105
R817
0
4.7K
GND
0
R881
4.7K
3.2
R843
100
POWER_FAIL
3.2
S_SW
3.2
R852
100
STANDBY_LED
OSDHCS0/P3_7/DBO2_5
3.2
R879
100
RSDS_RESET
OSDHCS1/P3_6/DBO2_4
0
R800
4.7K
C886
OSDFSW/DBO2_3
0
R814
4.7K
OSDCLK/DBO2_2
3.2
0.1
B
S_3.3IO1
VSUP3.3IO1
0
GNDM3.3IO1
0
OSDH/DBO2_1
NC
0
NC
OSDV/DBO2_0
3.2
R853
68
RS232C_RX
P2_5/TMS
3.2
R845
68
RS232C_TX
P2_4/TDI
3.2
R846
68
REMOCON
P2_3
R878
68
SCART2
3.2
P2_2
R877
68
SCART1
3.0
S_3.3FL
P2_1
3.0
105
C888
P2_0
3.2
VSUP3.3FL
0.1 B
10
0
R849
68
SDA
GND3.3FL
3.4
R851
68
SCL
SDA
11
3.4
12
C885
SCL
3.1
HSO
NC
22P CH
3.1
VSO
NC
3.1
CLKOUT
NC
AT+3.3V
2.2
XTALOUT
C884
C887
2.0
XTALIN
3.2
22P CH
0.1 B
VSUP3.3COM
0
S_3.3COM
GND3.3COM
3.2
S_3.3RAM
VSUP3.3DRI
0
GND3.3DRI
0
C891
0.1 B
DBI0
0
DBI1
0
DBI2
0
DBI3
0
DBI4
0
DBI5
0
DBI6
0
DBI7
0
DGI0
0
DGI1
0
DGI2
0
DGI3
0
DGI4
0
DGI5
0
DGI6
0
DGI7
0
DRI0
0
0
0
0
50 51 52
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F
G
H
8
B819
S_8.0AU
HCB1608KF-181T20
P.CON+8V
7
B818
S_5VSIF
HCB1608KF-181T20
P.CON+5V
C844
0.1 B
6
CP802
A2001WV2-6P
AT+3.3V
AT+3.3V
6
GND
GND
5
I2C_OFF
IIC_OFF
4
SDA
EEPROM_SDA
3
SCL
EEPROM_SCL
2
5
GND
GND
1
FROM/TO AV JACK/SWITCH
SC2_A_OUT_L
SC2_A_OUT_R
AV3_CVBS_IN
AV3_C_IN
AV3_Y_IN
S_SW
AV3_AUDIO_R
AV3_AUDIO_L
KEY-A
KEY-B
KEY-C
AUDIO_MUTE
4
FROM/TO JACK
HSYNC
VSYNC
VGA-R
VGA-G
VGA-B
PC_AUDIO_R
PC_AUDIO_L
RS232C_TX
RS232C_RX
FROM/TO RSDS
DG9
DG8
DG7
3
DG6
DG5
DG4
DB9
DB8
DB7
DB6
DB5
DB4
DR9
DR8
DR7
DR6
DR5
DR4
DCLK1
DEN
DVS
DHS
2
RSDS_RESET
SDA
SCL
RSDS_HSCAN
RSDS_VSCAN
1
PCBF40
CMF102
H
H-12
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