HP LC3260N Service Manual page 46

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
GND
18
9
SCART1_B
10 GND
19
SW2_B/CB
11
SCART1_G
SW2_G/Y
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 NC
6
19 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 LCD-H
25 LCD-H/PDP_RLY
26
S_DET
27 NC
SW_SCART
28
SW_YUV1/2
29 NC
30 LIGHT CTL/PSU_5VD
C801
W873 LIGHT_CTL
5
FROM/TO AV SWITCH2
1 B
(CP4203)
CP803
00_6232_029_006_800+
1 NC
W980
DIGI/ANA_CVBS
2 DTUNER_H
W978
DVB_MUTE-L
3 DTV_MUTE_L
4 NC
W981
5
DTUNER_RX
6 GND
W982
DVB_TX
7 DTUNER_TX
8 GND
W983
DVB_RESET-L
9 DTUNER_RESET_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 NC
STEREO_RESET
15 STEREO_RESET
16 NC
SCART_AUDIO_SW
17 SCART_AUDIO_SW
18
SDA1
19 SCL1
20 GND
W984
DVB_POWER_CTL-H
21
DTUNER_POWER
22 GND
W985
3
23 DTUNER_SD_H
24 GND
SWITCH_CVBS
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
SW_G/SW_Y
SW_R/SW_CR
SW_B/SW_CB
SW2_R/CR
SW2_G/Y
W883
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
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
LCDON
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
S_DET
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
DVB_RX 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
0.1 B 0.5
C832
SW_VIDEO_C VIN1B
C818 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
C859 0.1 B
SW_VIDEO_Y AVDDA2
SDA1
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
W931 W802
C827 0
DGND
3.7
RESET
0.1 B
R807 3.7
QOECTL
R812
10K
3.3
HDIN2
R805 3.3
10K
VDIN2
10K
3.4
15
DVDD33
SW_CVBS
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
16
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)
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
IC801
R8J66607A72FP
DGND
DVDD18
MPWEL
NC
R825
1M
X801
W905
21
54MHz
NR809
4D03WGJ0103T5E
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
FROM/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
DVDD33 DB5_W/O_DV
0
C891 DB4_W/O_DV
QBR3 NC
0 DB3_W/O_DV
QBR2 NC
0 0.1 B DB2_W/O_DV
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
C892
QGR7 NC
DG5_W/O_DV
165 QBR4 0.1 B
QGR6 NC DG4_W/O_DV
DG3_W/O_DV
QGR5 NC
C898 DG2_W/O_DV
QGR4 NC
DCLK1
QGR3 NC
6.3V 220
DHS
QGR2 NC
V-S
DEN
DVDD33
DVS
C893
DGND
0.1 B
DVDD18
0
C889
QGR1 NC
0
QGR0 NC
0.1 B
0
QCLKR NC
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
3.3
QRL3
0.1 B
3.3
DVDD33
C813
0
DGND
0.1 B
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
QBL5 QBL6 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
0.8 C895 0.1 B
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
DGND
3.3 C821 0.1 B
DVDD18 DVDD33
107
3.3
QGL4
DG5_W/O_DV
3.3
108 DGND
QGL3 DG4_W/O_DV
3.3
DG3_W/O_DV
QGL2
3.3
DG2_W/O_DV
QGL1
0
TEST1
1.5 R835 10K
LPF1
0 R834
TEST0
3.3 10K
DVD33
C897
100 101 102 103 104 105 106 107 108
NC NC NC NC NC NC NC
0.1 B
R836
C887
1K 0.01 B
C888
0.001 B
B804
FCM1608CF-600T06
22
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
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
POWER_FAIL
POWER_ON-H
7
LCD-H
LCDON
LIGHT_CTL
STEREO_RESET
AUDIO_MUTE
FROM/TO ADC1
SDA1
DDHS
SCL1
DDVS
DDCK SCALER_RESET
4SI_CHIP_SE
DPG7
DPG6
4SI_SDA_OUT
DPG5
4SI_SDA_IN
DPG4
DPG3
4SI_SCL
DPG2 6
S_DET
DPG1
DPG0
SW_SCART
DPR7
SCART_AUDIO_SW
DPR6
DPR5
AFT_1[LOW]
DPR4
DPR3
DVB_FAN_ON-H
DPR2
DPR1 3DY/C_RESET
DPR0
AFT_2[HIGH]
DPB7
DVB_MUTE-L
DPB6
DVB_RX
DPB5
DPB4
DVB_TX
DPB3
DVB_RESET-L
DPB2
DPB1 5
DVB_POWER_CTL-H
DPB0
SD_H
DIGI/ANA_CVBS
DVS
4
3
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
CEF156
1
H
H-20