Table of Contents
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A
B
8
FROM/TO REGULATOR2
AT+3.3V
AT+3.3V
B802
S_3.3FE
C813
HCB1608KF-181T20
GND
B803
6.3V
10
C
(16-08)
S_3.3VO
B804
HCB1608KF-181T20
S_3.3IO3
B805
HCB1608KF-181T20
S_3.3IO1
B806
HCB1608KF-181T20
S_3.3COM
B807
HCB1608KF-181T20
S_3.3DAC
POWER_FAIL
B808
HCB1608KF-181T20
S_3.3DIG
7
B809
HCB1608KF-181T20
S_3.3RAM
C806
HCB1608KF-181T20
GND
6.3V
220
V-S
S_3.3RAM
AT+3.3V
B810
S_3.3FL
B811
HCB1608KF-181T20
S_3.3LVDS
HCB1608KF-181T20
SYS_POWER_H
KEY-A
B812
S_1.8FE
AT+1.8V_2
KEY-B
HCB1608KF-181T20
START_SW
GND
B813
S_1.8LVDS
HCB1608KF-181T20
S_1.8DIG
AT+1.8V_1
B801
S_3.3DAC
6
HCB1608KF-330T50
HDMI_INT
GND
S_1.8FE
S_3.3FE
FROM/TO REGULATOR
HSYNC
VGA-B
PANELPOWER_H
VGA-G
VGA-R
SYS_POWER_H
SCART1_Y_IN
LIGHT_CONTROL
SCART1_B_IN
LIGHT_POWER_H
SCART1_G_IN
POWER_FAIL
SCART1_R/C1_IN
S_DET
SW_PB/D_PB
5
SW_Y/D_Y
TO SOUND AMP MUTE
SW_PR/D_PR
AUDIO_MUTE
SW_C
SP_AUDIO_OUT_L
SW_Y
SP_AUDIO_OUT_R
S_1.8FE
FROM/TO 21PIN
EXT_MUTE-H
SCART1_V_IN
CVBS_IN
SC1_A_OUT_L
SW_CVBS[TU/D_TU]
SC1_A_OUT_R
S_3.3VO
SC1_A_IN_R
SC1_A_IN_L
SCART1_R/C1_IN
4
SCART1_G_IN
SC1_CVBS_OUT
SCART1_B_IN
SCART1_Y_IN
SC1_CVBS_OUT
SW_CVBS[TU/D_TU]
SCART1_V_IN
S_3.3IO3
AT+3.3V
FROM DVD INTERFACE/AV_SWITCH
SCL
SDA
SW_C
SW_Y
3
FROM/TO TUNER
1080I_LOW_SW
RF_AGC
SIF
AT+3.3V
FROM AV SWITCH
SW_PB/D_PB
SW_PR/D_PR
2
SW_Y/D_Y
CVBS_IN
FROM/TO JACK
EPG_LED
KEY-A
KEY-B
HSYNC
VSYNC
VGA-R
VGA-G
VGA-B
[YUV/DVI/PC]
SW_A1_R
1
[YUV/DVI/PC]
SW_A1_L
STANDBY_LED
REMOCON
A
B
H-23
C
SCALER SCHEMATIC DIAGRAM
156
155
154
3.3
3.3
3.3
3.3
R913
4.7K
3.3
C817
0.1 B
3.3
0
3.3
68
R813
3.3
3.3
P1_2/GOUT/PWM2
3.3
P1_1/BOUT/PWM1
NC
3.3
NC
P1_0/SVMOUT/REV
C809
0.1 B
C814
0.1 B
1.8
VSUP1.8FE
3.3
VSUP3.3FE
1
VIN22/DHS
C822
0.1 B
1
VIN21
R816
47
R867
47
C830
0.1 B
1
VIN20
C840
0.1 B
1
VIN19
R850
47
47
R811
1
VIN18
R855
47
C819
0.1 B
1
VIN17
C827
0.1 B
R868
47
1
VIN16
C838
0.1 B
R857
47
1
VIN15
R862
47
C820
0.1 B
1
VIN13
C828
0.1 B
R859
47
1
VIN12
R863
47
C839
0.1 B
0.8
VIN11
C837
0.5
VIN9
R864
47
C824 0.1 B
0.01
B
1
VIN8
C800
0.1 B
R876
47
1
VIN7
VSUP1.8FE
C810
0.1 B
0
GNDA
C834
0.01 B
1
VIN6
C833
0.01 B
1
VIN5
R865
47
C825
0.1 B
1
VIN3
R861
47
C835
0.1 B
1
VIN2
47
C826
0.1 B
1
R866
VIN1
3.3
VSUP3.3VO
C815
0.1 B
NC
VOUT3
NC
VOUT2
1.2
VOUT1
0
GND3.3IO3
3.3
VSUP3.3IO3
3.3
NC
656I0/P3_0
3.3
656I1/P3_1
NC
3.3
NC
656I2/P3_2
3.3
C816
0.1 B
656I3/P3_3
NC
3.3
656I4/P3_4
NC
3.3
656I5/P3_5
NC
3.3
NC
3.3
NC
0
3.3
3.3
0
3.3
5
6
7
8
NC
3.3
1
2
3
R917
2.2K
NC NCNCNC NC
4
3
2
1
0
0
0
0
RESETQ
NC
NC
0
0
5
4
NC
NC
OUT
IN
GND
1
2
3
R812
3.4
3.4
0
2.2K
D804
BAT54WS
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
GND
C850
0.1 B
R822
6.2K
153
152
151
150
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
111 110 109 108 107 106 105
156 155 154 153 152 151 150
157
DRO1_8/DRO1_6/LVDSB_0P
158
DRO1_9/DRO1_7/LVDSB_0N
P1_7/TDO
159
SCALER
IC803
P1_6/TCLK
160
VCT6973G-FA-B3-000
P1_5
161
162
P1_4
163
GND3.3DAC
164
VSUP3.3DAC
165
P1_3/ROUT/PWM3
204 656I6/P3_6
205
656I7/P3_7
206
656CLKI
207
656CLKO
49
50
208
656O7/P4_7/TCLKFW
1
2
3
4
4
5
6 7 8 9
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
NC
NC
NC
NC
NC
NC
NC
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
R852
NC
NC
R896
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
4.7K
0
0
3.3
NC
R897
3.3
4.7K
NC
3.3
OSDHCS0/P3_7/DBO2_5
3.3
OSDHCS1/P3_6/DBO2_4
NC
R911
2.2K
3.3
OSDFSW/DBO2_3
0
R912
2.2K
OSDCLK/DBO2_2
C886
0.1 B
3.3
VSUP3.3IO1
0
GNDM3.3IO1
0
R914
2.2K
OSDH/DBO2_1
0
R915
2.2K
OSDV/DBO2_0
3.3
P2_5/TMS
3.3
P2_4/TDI
0
P2_3
3.3
R846
68
P2_2
3.3
P2_1
NC
3.3
P2_0
NC
3.3
VSUP3.3FL
0
C888 0.1 B
GND3.3FL
3.3
SDA
B821
104
OSDB0/DGO2_1
3.3
SCL
C885
BLM15AG102SN1D
HSO
NC
OSDB1/DGO2_0
103
VSO
NC
18P CH
CLKOUT
NC
102
OSDB2/P3_4/DBO2_7
3.3
XTALOUT
X801
3.2
101
OSDB3/P3_5/DBO2_6
XTALIN
3.3
C887
100DT02007
C884
VSUP3.3COM
0
20.250MHz
18P CH
GND3.3COM
0.1
B
3.3
VSUP3.3DRI
0
GND3.3DRI
C891
3.3
DPB0
DBI0
3.3
DPB1
0.1 B
DBI1
3.3
DPB2
DBI2
3.3
DPB3
DBI3
56
DRI1
3.3
DPB4
DBI4
3.3
DPB5
55
DBI5
DRI2
3.3
DPB6
DBI6
3.3
DPB7
54
DRI3
DBI7
3.3
DPG0
DGI0
53
3.3
DPG1
DRI4
DGI1
3.3
DPG2
DGI2
3.3
DPG3
DGI3
3.3
DPG4
DGI4
3.3
DPG5
DGI5
3.3
DPG6
51
52
DGI6
3.3
DPG7
DGI7
3.3
DPR0
DRI0
3.3
DPR1
3.3
DPR2
3.3
DPR3
3.3
DPR4
40 41 42 43 44 45 46 47 48 49
50 51 52
NC
NC
NC
NC
F
G
H
FROM REGULATOR
B819
S_8.0AU
P.CON+8V
HCB1608KF-181T20
B818
100
S_5VSIF
EPG_LED
P.CON+5V_VCTP
HCB1608KF-181T20
FROM/TO REGULATOR2
GND
FROM/TO INTERFACE_HDMI IC
DDEN
DDCK
DPG7
DPG6
DPG5
GND
DPG4
DPG3
DPG2
DPG1
DPG0
DPR7
DPR6
DPR5
DPR4
S_3.3IO1
DPR3
DPR2
DPR1
DPR0
DPB7
DPB6
DPB5
1080I_LOW_SW
DPB4
REMOCON
DPB3
DPB2
DPB1
S_3.3FL
DPB0
B820
HDMI_I2SSCLK
25
BLM15AG102SN1D
SDA
HDMI_I2SSDO
HDMI_I2SWS
SCL
RXT_RST#
26
HDMI_INT
FROM/TO SUB MICON
AT+3.3V
SCL
SDA
S_3.3COM
S_3.3RAM
CP802
A2001WV-6A
AT+3.3V
AT+3.3V
6
GND
5
I2C_OFF
IIC_OFF
4
SDA
EEPROM_SDA
3
SCL
EEPROM_SCL
2
GND
1
FROM DVD_INTERFACE/AV_SWITCH
START_SW
SW_A2_L
SW_A2_R
TO PANEL_INTERFACE
LCD_TXOUT0-
LCD_TXOUT0+
LCD_TXOUT1-
LCD_TXOUT1+
LCD_TXOUT2-
LCD_TXOUT2+
LCD_TXCLKOUT-
LCD_TXCLKOUT+
LCD_TXOUT3-
LCD_TXOUT3+
LCD_TXOUT4-
LCD_TXOUT4+
LCD_TXOUT5-
LCD_TXOUT5+
LCD_TXOUT6-
LCD_TXOUT6+
LCD_TXCLKOUTE-
LCD_TXCLKOUTE+
LCD_TXOUT7-
LCD_TXOUT7+
PCBF40
CMG130
G
H
19DV550P/19DV551P
H-24
8
7
6
5
4
3
2
1
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