Table of Contents
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A
B
8
AT+3.3V
B802
S_3.3FE
POWER_FAIL
HCB1608KF-181T20
GND
B803
S_3.3VO
HCB1608KF-181T20
B804
S_3.3IO3
AT+3.3V
HCB1608KF-181T20
B805
S_3.3IO1
7
HCB1608KF-181T20
B806
S_3.3COM
HCB1608KF-181T20
B807
S_3.3DAC
KEY-A
HCB1608KF-181T20
KEY-B
B808
S_3.3DIG
HCB1608KF-181T20
KEY-C
B809
S_3.3RAM
HCB1608KF-181T20
S_3.3DAC
GND
HDMI_INT
B810
S_3.3FL
FROM/TO REGULATOR
HCB1608KF-181T20
6
RLY_H
B811
S_3.3LVDS
AT+3.3V
S_1.8FE
HCB1608KF-181T20
SYS_POWER_H
C809
B812
S_1.8FE
AT+1.8V_2
S_3.3FE
HCB1608KF-181T20
HSYNC
VGA-B
GND
VGA-G
B813
S_1.8LVDS
VGA-R
B801
HCB1608KF-181T20
S_1.8DIG
AT+1.8V_1
SCART1_Y_IN
HCB1608KF-181T20
SW_SCART_B
SW_SCART_G
SW_SCART_R/C
GND
SW_PB/D_PB
FROM/TO POWER3
SW_Y/D_Y
PANELPOWER_H
SW_PR/D_PR
5
DTVPOWER_H
SYS_POWER_H
SCART2_FB
LIGHT_CONTROL
LIGHT_POWER_H
POWER_FAIL
S_1.8FE
RLY_H
C810
VIN6
FROM/TO 21PIN
SCART2_V_IN
SW_SCART_CVBS/Y
SCART2_FB
EXT_MUTE-H
CVBS_IN
VIN6
SW_CVBS[TU/D_TU]
VIN7
S_3.3VO
SCART2_B_IN
SCART2_V_IN
SW_SCART_R/C
SW_SCART_G
SC2_CVBS_OUT
SW_SCART_B
4
SCART1_Y_IN
S_3.3IO3
SC2_CVBS_OUT
[SC1/SC2]
SW_A_R
[SC1/SC2]
SW_A_L
SCART2_B_IN
SC2_A_OUT_L
VIN7
SC2_A_OUT_R
SC1_A_OUT_L
AT+3.3V
SC1_A_OUT_R
SW_CVBS[TU/D_TU]
SCL
SW_SCART_CVBS/Y
JG801
SDA
FROM/TO TUNER
DTV_AV_SW
DTV-H
3
DTV_LPM_CTL_H
LPM_INT
DTV_RESET
SIF
D_TUNER_AUDIO_L
D_TUNER_AUDIO_R
DTV_TX
AT+3.3V
DTV_RX
FROM/TO AV JACK/SWITCH
S_DET
VIDEO_A_L
VIDEO_A_R
CVBS_IN
SW_Y/D_Y
SW_PB/D_PB
2
SW_PR/D_PR
AUDIO_JACK_OUT_L
AUDIO_JACK_OUT_R
FROM/TO JACK
EPG_LED
KEY-A
KEY-B
KEY-C
HSYNC
VSYNC
VGA-R
VGA-G
VGA-B
SW_A1_R
[YUV/DVI/PC]
[YUV/DVI/PC]
SW_A1_L
1
STANDBY_LED
REMOCON
A
B
H-13
C
SCALER SCHEMATIC DIAGRAM
GND
C845
0.1 B
C844
C846
0.1 B
0.1 B
156
155
154
153
152
151
R807
NC
68
NC
R810 68
3.3
3.3
3.3
R802 68
D814
UDZS5.6B
NC
C817
0.1 B
3.3
0
3.3
3.3
R813 68
3.3
P1_2/GOUT/PWM2
3.3
P1_1/BOUT/PWM1
R814 68
NC
P1_0/SVMOUT/REV
0.1 B
C814
0.1 B
1.8
VSUP1.8FE
3.3
VSUP3.3FE
1
VIN22/DHS
R816
47
C822
0.1 B
1
VIN21
R867
47
C830
0.1 B
1
VIN20
R850 47
C840 0.1 B
1
VIN19
R811 47
1
VIN18
R855
47
C819
0.1 B
1
VIN17
C827 0.1 B
1
VIN16
C838 0.1 B
R868 47
1
VIN15
C820
0.1 B
R857
47
1
VIN13
C828 0.1 B
R862 47
1
VIN12
C839
0.1 B
R859
47
0.8
VIN11
R863 47
D809
0.5
D813
VIN9
R877
UDZS5.6B
UDZS5.6B
D806
1
VIN8
D818
UDZS5.6B
D811
1
47
VIN7
UDZS5.6B
UDZS5.6B
1.8
VSUP1.8FE
0.1 B
0
GNDA
C824
0.1 B
1
VIN6
R860 47
C834
0.1 B
R864 47
1
VIN5
C825
0.1 B
1
VIN3
R861 47
C835
0.1 B
R865 47
1
VIN2
C826
0.1 B
1
VIN1
R866 47
3.3
VSUP3.3VO
C815
0.1 B
NC
VOUT3
D807
D808
D810
D812
NC
VOUT2
UDZS5.6B
UDZS5.6B
UDZS5.6B
UDZS5.6B
1.2
VOUT1
0
GND3.3IO3
3.3
VSUP3.3IO3
C816
0.1 B
NC
656I0/P3_0
NC
C832
0.1 B
656I1/P3_1
NC
C833 0.1 B
R875
47
656I2/P3_2
NC
R876 47
656I3/P3_3
NC
JG803
656I4/P3_4
NC
656I5/P3_5
JG804
NC
NC
3.3
0
3.3
3.3
0
NC
5
6
7
8
3.3
1
2
3
4
5
6 7 8 9
4
3
2
1
0
0
0
0
RESETQ
R7205
4.7K
NC
0
NC
5
4
NC
NC
OUT
IN
GND
1
2
3
R812
3.4
3.4
0
D804
2.2K
RB520S-30-TE61
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
C850
0.1 B
R822
6.2K
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
120
119
118
117
111 110 109 108 107 106 105
156 155 154 153 152 151 150
104
157
DRO1_8/DRO1_6/LVDSB_0P
103
158
DRO1_9/DRO1_7/LVDSB_0N
102
P1_7/TDO
159
MICON/SCALER
IC803
101
P1_6/TCLK
VCT6973G-FA-B3-000
160
P1_5
161
162
P1_4
163
GND3.3DAC
164
VSUP3.3DAC
56
165
P1_3/ROUT/PWM3
55
54
204 656I6/P3_6
53
205
656I7/P3_7
206
656CLKI
207
656CLKO
49
50
51
52
208
656O7/P4_7/TCLKFW
1
2
3
4
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
R852
100
EPG_LED
DTV_LPM_CTL_H
W831
DTV-H
116
115
114
113
112
111
110
109
108
107
106
105
0
W830
0
R888
4.7K
3
R887
4.7K
R843
100
LPM_INT
3.3
R848
100
DTV_AV_SW
3.3
OSDHCS0/P3_7/DBO2_5
3.3
OSDHCS1/P3_6/DBO2_4
NC
0
C886
OSDFSW/DBO2_3
0
R7207
4.7K
OSDCLK/DBO2_2
0.1 B
3.3
R7206
4.7K
S_3.3IO1
VSUP3.3IO1
3.6
GNDM3.3IO1
OSDH/DBO2_1
NC
NC
R853
68
DTV_TX
OSDV/DBO2_0
3.3
R845
68
P2_5/TMS
DTV_RX
3.3
P2_4/TDI
R846
68
REMOCON
NC
(WP) P2_3
3.3
P2_2
3.3
S_3.3FL
P2_1
3.3
C888
P2_0
3.3
25
VSUP3.3FL
0.1 B
0
R849
68
GND3.3FL
R851
68
3.3
SDA
OSDB0/DGO2_1
3.3
C885
SCL
26
HSO
NC
18P CH
OSDB1/DGO2_0
VSO
NC
CLKOUT
NC
OSDB2/P3_4/DBO2_7
3.3
XTALOUT
3.2
AT+3.3V
OSDB3/P3_5/DBO2_6
XTALIN
C887
C884
3.3
VSUP3.3COM
0.1 B
0
18P CH
S_3.3COM
GND3.3COM
3.3
S_3.3RAM
VSUP3.3DRI
0
GND3.3DRI
C891
3.3
DPB0
DBI0
3.3
DPB1
DBI1
0.1 B
3.3
DPB2
DBI2
3.3
DPB3
DBI3
DRI1
3.3
DPB4
DBI4
3.3
DPB5
DBI5
DRI2
3.3
DPB6
DBI6
3.3
DPB7
DRI3
DBI7
3.3
DPG0
DGI0
3.3
DPG1
DRI4
DGI1
3.3
DPG2
DGI2
3.3
DPG3
DGI3
3.3
DPG4
DGI4
3.3
DPG5
DGI5
3.3
DPG6
DGI6
3.3
DPG7
DGI7
3.3
DPR0
DRI0
3.3
DPR1
3.3
DPR2
3.3
DPR3
3.3
DPR4
50 51 52
F
G
H
8
FROM/TO POWER3
B819
S_8.0AU
P.CON+8V
HCB1608KF-181T20
FROM/TO REGULATOR
B818
S_5VSIF
P.CON+5V_VCTP
7
HCB1608KF-181T20
FROM/TO INTERFACE_HDMI IC
GND
DDEN
DDCK
DPG7
DPG6
DPG5
DPG4
DPG3
DPG2
DPG1
DPG0
DPR7
6
DPR6
DPR5
DPR4
DPR3
DPR2
DPR1
DPR0
DPB7
DPB6
DPB5
SDA
DPB4
SCL
DPB3
DPB2
DPB1
DPB0
RXT_RST#
HDMI_I2SSCLK
5
HDMI_I2SSDO
HDMI_I2SWS
HDMI_INT
4
CP802
A2001WV2-6P
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/TO PANEL INTERFACE
LCD_TXOUT0-
LCD_TXOUT0+
LCD_TXOUT1-
LCD_TXOUT1+
3
LCD_TXOUT2-
LCD_TXOUT2+
LCD_TXCLKOUT-
LCD_TXCLKOUT+
LCD_TXOUT3-
LCD_TXOUT3+
FROM/TO SOUND AMP/HEADPHONE AMP
HP_MUTE
AUDIO_MUTE
SP_AUDIO_OUT_L
SP_AUDIO_OUT_R
SYS_POWER_H
FROM/TO SUB MICON/RS-232C
SCL
2
SDA
PCBF40
CMF111
1
H
H-14
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