Sharp LC-26SH10U - 26" LCD TV Service Manual page 47

A B
8
FROM/TO TUNER/OUT JACK
CP802 (CP4204)
00_6232_030_006_800+
STANDBY_LED
1 STANDBY LED
REMOCON_IN
2 REMOCON IN
3 AFT
4
NC
5 NC
D807
AUDIO_MUTE
6
AUDIO_MUTE
D808
7
1SS355 EXT_MUTE-H
7
EXT_MUTE-H
1SS355
8 18
GND
SW2_B/CB
9
SCART1_B
10 GND 19
SW2_G/Y
11
SCART1_G
12 20
GND
SW2_R/CR
13
SCART1_R
14
GND
AFT_2[HIGH]
15 AFT_2/DTV_CVBS
GND
16
GND
SCART1_Y
17
SCART1_Y
18 NC
6
19
NC
POWER_FAIL
20
POWER_FAIL
POWER_ON-H
21
POWER_ON-H
AFT_1[LOW]
22 AFT_1
W824
LCDON
23
LCDON
DVB_FAN_ON-H
24 DVB_FAN_ON-H
W875 LCD-H
25 LCD-H/PDP_RLY
S_DET
26
S_DET
27 NC
SW_SCART
28
SW_YUV1/2
29 NC
C801
30 LIGHT CTL/PSU_5VD
W873
LIGHT_CTL
5
B 1
FROM/TO AV SWITCH2
CP803 (CP4203)
00_6232_029_006_800+
1 NC
DTUNER_H
2 DTUNER_H
DVB_MUTE-L
3 DTV_MUTE_L
4 NC
DVB_RX
5 DTUNER_RX
6 GND
DVB_TX
7 DTUNER_TX
8 GND
DVB_RESET-L
9 DTUNER_RESET_L
4
10 GND
SW_AUDIO_R[PC]
11 SW_AUDIO_R(PC)
12 GND
SW_AUDIO_L[PC]
13 SW_AUDIO_L(PC)
14 NC
STEREO_RESET
15 STEREO_RESET
16 NC
SCART_AUDIO_SW
17 SCART_AUDIO_SW
18
SDA1
19 SCL1
20 GND
DVB_POWER_CTL-H
21 DTUNER_POWER
3
22 GND
23 DTUNER_SD_H
24 GND
W931
25 SWITCH_CVBS
26 GND
W930 W809
27 SWITCH_VIDEO_Y
28 GND
W929 W801
29 SWITCH_VIDEO_C
2
FROM/TO AV SWITCH1
W803 W883
SW_G/SW_Y
SW_R/SW_CR
SW_B/SW_CB
SW2_R/CR
SW2_G/Y
SW2_B/CB
SW_CVBS
SW_VIDEO_Y
1
A B
C
SCALER SCHEMATIC DIAGRAM
AFT
C2802 V-S
6.3V 220
C2801 V-S
6.3V 220
C822
216 215 214 213 212 211 210
0.1 B
3.4
DVDD33
DPR4 3.4
PXD24
3.4
DPR5
PDX25
DPR6 3.4
PDX26
DPR7 3.4
PDX27
3.4 214
DDVS
VDIN
DDHS 3.4
HDIN/FBIN
215
3.4
DVDD33
0
DGND 216
C824 0.1 B C836 0.1 B 1.6
VRPD
SW_CVBS
C837 0.1 B 1.2
VROD
C883 0.1 B
C838 0.1 B 0.7
VRMD
0.9
VIND
C823 0.1 B 3.4
AVDDD2
0
AVSSD2
C814 3.4
AVDDD1
0.1 B 0
AVSSD1
C839 0.1 B 1.6
C815 VRPC
C840 0.1 B 1.1
VROC
C841 0.1 B 0.7
6.3V 220
VRMC
W805
V-S SW_R/SW_CR 1.3
VINC
C812 C830 0.1 B 3.4
AVDDC2
0.1 B D802 0
AVSSC2
C816 UDZS5.6B 3.4
AVDCC1
0.1 B 0
AVSSC1
3.4
DVDD
C826 0
C842 0.1 B DVSS
1.6
C843 0.1 B VRPB
0.1 B
1.1
C844 0.1 B VROB
0.7
VRMB
SW_VIDEO_C 0.5
VIN1B
0.1 B
C818 C832 3.4
AVDDB2
0.1 B 2.0
D803
VIN2B
UDZS5.6B C834 0.1 B 0
AVSSB2
W807 3.4
SW_B/SW_CB
AVDDB1
0
AVSSB1
C845 0.1 B 1.6
VRPA
C846 0.1 B 1.1
C817
VROA
C847 0.1 B 0.7
VRMA
0.1 B 0.5
NC VIN1A
C819
3.4
AVDDA2
SW_VIDEO_Y 1.3
0.1 B
VIN2A
C859 0.1 B 0
SDA1
AVSSA2
C876 0.1 B 1.3
SCL1 VIN3A
3.4 55
C820 AVDDA1
0
AVSSA1
D805 56
0.1 B 0
UDZS5.6B SVSS
3.4
DVDD33 57
C827 0
SD_H
DGND
3.7
RESET
0.1 B
R807 3.7
W802 QOECTL
R806
10K
3.3
HDIN2
R805 3.3
10K
VDIN2
15 10K
3.4
DVDD33
SW_CVBS
16 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
SW_VIDEO_Y
17
SW_VIDEO_C
C810
0.1 B
SCALER_RESET
NR801
4D03WGJ0000T5E
4SI_SCL
4SI_SDA_OUT
4SI_SDA_IN
4SI_CHIP_SE
C
D E
(SCALER PCB)
209 208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177 176
PXD23
DVDD18
DGND
SCALER
IC801
R8J66607A72FP
DGND
DVDD18
MPWEL
NC
NC NC NC NC
R825
1M
X801
W905
21
54MHz
D E
F G
175 174 173 172 171 170 169 168 167 166 165 164 163
3.3
DVDD33
0
C891
QBR3 NC
0
QBR2 NC
0.1 B
0
QBR1 NC
0
QBR0 NC
DGND
163
0
DGND
3.3
DVDD18 DVDD33
164
0 C892
QGR7 NC
0 0.1 B
165 QBR4
QGR6 NC
0
QGR5 NC
0 C898
QGR4 NC
0
QGR3 NC
6.3V 220
0
QGR2 NC
V-S
3.3
DVDD33
0 C893
DGND
3.3 0.1 B
DVDD18
0 C889
QGR1 NC
0
QGR0 NC
0.1 B
0
QCLKR NC
NR802
QRL7 3.3
DR9
3.3
DR8
QRL6
3.3 DR7
QRL5
DR6
3.3
QRL4
C894
3.3
QRL3 4D03WGJ0470T5E
0.1 B
3.3
DVDD33
0
DGND C813
1.8
DVDD18 0.1 B DR5
3.3
NR803 DR4
QRL2
3.3 4D03WGJ0470T5E DR3
QRL1
DR2
3.3
QRL0
3.3
DB9
QBL7
3.3 NR804 4D03WGJ0470T5E
DB8
QBL6 QBL5
DB7
3.3
QBL5
DB6
3.3
QBL4
3.3 NR805
DB5
QBL3
4D03WGJ0470T5E DB4
3.3
QBL2
3.3 DB3
DVDD33 DB2
0
DGND
C895 0.1 B
DVDD18
0.8
QBL1 3.3
C896
3.3
4D03WGJ0470T5E
QBL0
0.1 B
3.3 NR806 DG9
QGL7
DG8
3.3
QGL6
DG7
3.3
QGL5 DG6
106 QGL0
0
DGND
3.3
DVDD18 DVDD33
107
3.3 C821
4D03WGJ0470T5E
QGL4
3.3 NR807 0.1 B DG5
108 DGND
QGL3
DG4
3.3
QGL2
DG3
3.3
QGL1 DG2
0
TEST1
1.5
LPF1
R835 10K R834
0
TEST0
3.3 10K
DVD33
C897
100 101 102 103 104 105 106 107 108
NC NC NC R836
C887
0.1 B
1K 0.01 B
C888
0.001 B
22
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.
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F G
H
8
FROM/TO MICOM
STANDBY_LED
REMOCON_IN
AFT
SCART1_Y
FROM/TO MICOM
EXT_MUTE-H
DVS
POWER_FAIL
POWER_ON-H
7
LCD-H
LCDON
LIGHT_CTL
STEREO_RESET
AUDIO_MUTE
FROM ADC
SDA1
DDHS
SCL1
DDVS
DDCK SCALER_RESET
4SI_CHIP_SE
DPR7
DPR6
4SI_SDA_OUT
DPR5
4SI_SDA_IN
DPR4
DPR3
4SI_SCL
DPR2 6
S_DET
DPR1
DPR0 SW_SCART
DPG7 SCART_AUDIO_SW
DPG6
DVB_FAN_ON-H
DPG5
DPG4 DTUNER_H
DPG3
DVB_MUTE-L
DPG2
DVB_RX
DPG1
DVB_TX
DPG0
DVB_RESET-L
DPB7
DVB_POWER_CTL-H
DPB6
SD_H
DPB5
DPB4 AFT_1[LOW]
DPB3
AFT_2[HIGH]
DPB2
DPB1 5
DPB0
TO LVDS
DR2
DR3
DR4
DR5
DR6
DR7
DR8
DR9
4
DG2
DG3
DG4
DG5
DG6
DG7
DG8
DG9
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DCLK1
3
DVS
DHS
DEN
FROM/TO REGULATOR
P.CON+1.5V
P.CON+3.3V
GND
2
FROM/TO JACK
SW_AUDIO_R[PC]
SW_AUDIO_L[PC]
PCBDS0
CEF170
1
H