Sharp LC-32A40L Service Manual page 46

A B
8
FROM/TO SWITCH/AMP
CP802 (CP4204)
00_6232_030_006_800+
STANDBY_LED
1 STANDBY LED
REMOCON_IN
2 REMOCON IN
3 AFT
AGC
4 NC
5 HP_MUTE NC
D807
AUDIO_MUTE
6 AUDIO_MUTE
7 D808
1SS355 EXT_MUTE-H
7 EXT_MUTE-H
1SS355
8 GND
18
SW2_B/CB
9 SCART1_B
GND
10
19
SW2_G/Y
11 SCART1_G
12 GND
20
SW2_R/CR
13 SCART1_R
14 GND
W987
AFT_2[HIGH]
15 AFT_2/DTV_CVBS
GND
16 GND
SCART1_Y
17 SCART1_Y
18 SCART2_SW NC
6
19 SC2 CVBS_OUT-H NC
POWER_FAIL
20 POWER_FAIL
POWER_ON-H
21 POWER_ON-H
AFT_1[LOW]
22 AFT_1
W824
23
LCDON
DVB_FAN_ON-H
24 DVB_FAN_ON-H
W875
25 LCD-H/PDP_RLY
26 S_DET
27 SCART1_SW NC
SW_SCART
28 SW_YUV1/2
29 HP_IN NC
30 LIGHT CTL/PSU_5VD
C801
5 W873
LIGHT_CTL
FROM/TO AV SWITCH2
1 B
CP803 (CP4203)
00_6232_029_006_800+
1 DVD/AV3_SW/SPDIF NC
W980
DIGI/ANA_CVBS
2 D/A_SW/INV_DET
W978
DVB_MUTE-L
3 SPIF/DTV_A_R
4 INVERT_DET/GND NC
W981
5 POP_S_Y/DTV_A_L
6 GND
W982
DVB_TX
7 POP_S_C/DAD_A_R
8 GND
W983
DVB_RESET-L
9 POP_CVBS/DVD_A_L
10 GND
4
SW_AUDIO_R[PC]
11 SW_AUDIO_R(PC)
12 GND
SW_AUDIO_L[PC]
13 SW_AUDIO_L(PC)
14 SC2_AUDIO_OUT-H NC
STEREO_RESET
15 STEREO_RESET
16 SCART3_SW NC
SCART_AUDIO_SW
17 SCART_AUDIO_SW
18 SDA1
19 SCL1
20 GND
W984
DVB_POWER_CTL-H
21 DVD_Y_OUT
22 GND
W985
3
23 DVD_C_OUT
24 GND
W931 W802
25 SWITCH_CVBS
26 GND
W930
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
H-19
C
SCALER SCHEMATIC DIAGRAM
AFT
C2802
C2801
6.3V 220 V-S
6.3V 220
C822
V-S
216 215 214 213 212 211
0.1 B
3.4
DVDD33
DPR4 3.4
PXD24
DPR5 3.4
PDX25
DPR6 3.4
PDX26
DPR7 3.4
PDX27
214
DDVS 3.4
VDIN
DDHS 3.4
HDIN/FBIN
215
3.4
LCDON
DVDD33
C824 0.1 B
0
DGND 216
C836 0.1 B 1.6
C883 VRPD
LCD-H
SW_CVBS
C837 0.1 B 1.2
VROD
S_DET
0.1 B C838 0.1 B 0.7
C823 VRMD
0.9
VIND
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 C830 0.1 B 1.3
VINC
C812 3.4
AVDDC2
0.1 B 0
AVSSC2
C816 D802 3.4
AVDCC1
0.1 B UDZS5.6B 0
AVSSC1
3.4
DVB_RX
DVDD
0
DVSS
C826
C842 0.1 B 1.6
VRPB
C843 0.1 B 1.1
0.1 B
VROB
C844 0.1 B 0.7
VRMB
C832 0.1 B
SW_VIDEO_C 0.5
VIN1B
C818 3.4
AVDDB2
0.1 B D803 UDZS5.6B 2.0
VIN2B
0
W807 C834 0.1 B AVSSB2
SW_B/SW_CB
3.4
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
SDA1
SW_VIDEO_Y C859 0.1 B 1.3
0.1 B
VIN2A
SCL1 0
AVSSA2
C876 0.1 B 1.3
VIN3A
3.4 55
C820 AVDDA1
0
AVSSA1
D805 56
0.1 B 0
UDZS5.6B SVSS
SD_H
3.4
DVDD33 57
C827 0
DGND
15
3.7
SW_CVBS
RESET
0.1 B
R807 3.7
QOECTL
R812
10K
3.3
W809 HDIN2
SW_VIDEO_Y
R805 3.3
10K
VDIN2
16
3.4
DVDD33
17 10K
SW_VIDEO_C
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
C810
0.1 B
SCALER_RESET
4SI_SCL
4SI_SDA_OUT
4SI_SDA_IN
4SI_CHIP_SE
C
D E
(SCALER PCB)
210 209 208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177
PXD23
DVDD18
DGND
SCALER IC
IC801
R8J66607A72FP
DGND
DVDD18
MPWEL
NC
R825
1M
X801 21
W905
100YT05401
54MHz
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
D E
F G
TO LVDS
DR9_W/O_DV
DR8_W/O_DV
DR7_W/O_DV
DV6_W/O_DV
DR5_W/O_DV
DR4_W/O_DV
DR3_W/O_DV
DR2_W/O_DV
DB9_W/O_DV
DB8_W/O_DV
DB7_W/O_DV
176 175 174 173 172 171 170 169 168 167 166 165 164 163
DB6_W/O_DV
0
DVDD33 DB5_W/O_DV
0
C891 DB4_W/O_DV
QBR3 NC
0 DB3_W/O_DV
QBR2 NC
0.1 B DB2_W/O_DV
0
QBR1 NC
0
QBR0 NC DG9_W/O_DV
DGND
163
0
DG8_W/O_DV
DGND
3.3 DG7_W/O_DV
DVDD18 DVDD33
164
DG6_W/O_DV
0
C892
QGR7 NC
DG5_W/O_DV
0
165 QBR4 0.1 B
QGR6 NC DG4_W/O_DV
0
DG3_W/O_DV
QGR5 NC
0 C898 DG2_W/O_DV
QGR4 NC
DCLK1
0
QGR3 NC
6.3V 220 DEN
0
QGR2 NC
V-S
DVS
3.3
DVDD33
DHS
0 C893
DGND
1.8 0.1 B
DVDD18
0
NC C889
QGR1
0
NC
QGR0
0.1 B
0
NC
QCLKR
3.3
DR9_W/O_DV
QRL7
3.3 DR8_W/O_DV
QRL6
DR7_W/O_DV
3.3
QRL5 DV6_W/O_DV
3.3
QRL4 C894 0.1 B
3.3
QRL3
3.3
DVDD33
0 C813 0.1 B
DGND
1.8 DR5_W/O_DV
DVDD18
DR4_W/O_DV
3.3
QRL2
DR3_W/O_DV
3.3
QRL1 DR2_W/O_DV
3.3
QRL0
DB9_W/O_DV
3.3
QBL7
DB8_W/O_DV
3.3
QBL6 QBL5 DB7_W/O_DV
3.3
DB6_W/O_DV
QBL5
3.3
QBL4
DB5_W/O_DV
3.3
QBL3 DB4_W/O_DV
3.3
DB3_W/O_DV
QBL2
3.3
DB2_W/O_DV
DVDD33
0
DGND
C895 0.1 B
1.8
DVDD18
3.3
QBL1 C896 0.1 B
3.3
QBL0
DG9_W/O_DV
3.3
QGL7 DG8_W/O_DV
3.3
DG7_W/O_DV
QGL6
3.3
DG6_W/O_DV
QGL5
106 QGL0
0 C821 0.1 B
DGND
3.3
DVDD18 DVDD33
107
3.3
QGL4
DG5_W/O_DV
3.3
108 DGND
QGL3 DG4_W/O_DV
3.3
QGL2
DG3_W/O_DV
3.3
QGL1 DG2_W/O_DV
0 R835 10K
TEST1
1.5
LPF1
0 R834
TEST0
10K
3.3
DVD33
100 101102103104105106107108 C897
NC NC NC
0.1 B
NC NC NC NC
R836 C887
1K 0.01 B
C888
0.001 B
22
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F G
H
8
FROM/TO MICON
STANDBY_LED
REMOCON_IN
AFT
SCART1_Y
EXT_MUTE-H
7
POWER_FAIL
POWER_ON-H
LCD-H
LCDON
LIGHT_CTL
FROM ADC
STEREO_RESET
AUDIO_MUTE
DDHS
DDVS
SDA1
DDCK
SCL1
DPG7
DPG6 SCALER_RESET
DPG5
4SI_CHIP_SE
DPG4
DPG3 4SI_SDA_OUT
6
DPG2
4SI_SDA_IN
DPG1
DPG0 4SI_SCL
DPR7 S_DET
DPR6
SW_SCART
DPR5
SCART_AUDIO_SW
DPR4
DPR3 DVS
DPR2
DVB_FAN_ON-H
DPR1
AFT_1[LOW]
DPR0
AFT_2[HIGH]
DPB7
DPB6 DVB_MUTE-L
DPB5
DVB_RX
DPB4
DPB3 DVB_TX
DPB2
DVB_RESET-L
5
DPB1
DPB0 DVB_POWER_CTL-H
SD_H
DIGI/ANA_CVBS
FROM REGULATOR
P.CON+1.5V
P.CON+3.3V
GND
4
FROM JACK
SW_AUDIO_R[PC]
SW_AUDIO_L[PC]
3
2
PCBDS0
CEF156
1
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
H
H-20