A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
Q3409
KRA101SRTK
MUTE_SW
Q3402
KRA101SRTK
MUTE_SW
Q3407
KRC102SRTK
MUTE SW
Q3404
KTC3875S_Y_RTK
MUTE_SW
Q3411
KTC3875S_Y_RTK
MUTE SW
Q3410
KTC3875S_Y_RTK
MUTE SW
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
D10
C12
IC2801
R8J66955BG
SCALER
B11
A12
B9
A7
C9
B2
A1
C3
J3
K3
J4
C4
A3
D4
H4
K4
A11
B10
B7
A15
A13
B15
B13
A10
D9
B12
A6
C10
C11
A9
B8
B17
B16
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
D3403
MA111
D3401
MA111
C2946
1
1608
B
C2948
1
1608
B
C2952
0.1 B
C2950
0.1 B
C2951
10
10V
2125
B
C2958
0.1 B
C3413
4.7
(2125)
B
C2962
0.001
B
C2961
0.001
B
C2960
0.1 B
C2894
1 B
C2893
1 B
C2938
0.1 B
C2943
0.1 B
C2941
0.1 B
C2942
0.1 B
C2944
0.1 B
C2957
0.1
B
C2940
0.1 B
C2937
0.1 B
C2932
0.1
B
C2934
0.1
B
C2933
0.1 B
C2953
0.1
B
C2954
0.1
B
C2939
0.1
B
C2955
0.1
B
C2956
0.1 B
C2945
0.1 B
C2936
0.1 B
C2959
22
10V
V-S
R2867
4.7K 1/16W
1005
R2866
4.7K 1/16W
1005
R3421
8.2K 1/16W
R3431
470 1/16W
1005
R3413
4.7K
1/16W
R2857
220 1/16W
1005
R2858
220 1/16W
1005
R2836
10K 1/16W
R2837
10K 1/16W
R3428
1K 1/16W
R3427
1K 1/16W
R3405
4.7K
1/16W
R3412
4.7K
1/16W
R2861
1K 1/16W
1005
R2856
6.8K
1/16W
+-1%
W855
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
PC_V
TU_CVBS
PC_H
AV1_CVBS
AV3/AV4_Y
AV1_CVBS
VGA-G
AV1_Y
VGA-B
VGA-R
AV1_C
AV3/AV4_PR
SPDIF
AV3/AV4_PB
AV1_Y
AV1_C
DVD_Y
DVD_Y
DVD_C
DVD_C
ZERO_MUTE
AV3/AV4_Y
SP_MUTE
DVD-H
AV3/AV4_PB
TU_CVBS
AV3/AV4_PR
LOUT_SOUND
VGA-R
SW_AUDIO_L
SW_AUDIO_R
VGA-G
ROUT_SOUND
VGA-B
FILTER_MUTE
PC_V
DVD-H
PC_H
A3.3V
D3.3V
D3.3V
A1.8V
AT+6V
POWER_FAIL
ZERO_MUTE
FILTER_MUTE
AT+5V
POP_MUTE
AT+5V
SW_AUDIO_L
GND
SP_MUTE
SW_AUDIO_R
SPDIF
H-70
H-69
22LV610U
SCALER VIDEO/AUDIO SCHEMATIC DIAGRAM
(DIGITAL PCB)
PCBDH0
CEH432
FROM/TO REGULATOR
FROM AV SWITCH
FROM TUNER
FROM SCALER
FROM/TO JACK
11
12
VIN6A
VIN4A
VIN4B
VIN1C
LPF
REXT
VRM
AINL
AINR
VCOM
Audio ADC
SPDIFO
SPDIF
DA_LOUT
DA_ROUT
Audio DAC
DA_VCOM
IIS OUTPUT
0
5.0
5.0
12.5
0
0
0
0
5.0
VIN5A
VIN2B(DVD_Y)
VIN2C(DVD_C)
SSIN2
NC
VIN2A
SSIN1
VIN1A
VIN1B
VRP
VIN3C
VIN3A
VIN3B
VREFB
VREFA
VREFC
HSIN
VSIN
ADATAO
LRCKO
ACLK
BCKO
0
0
4.5
0
0
4.5
3.3
0
3.3
1.9
1.0
1.0
1.0
1.0
1.0
1.0
0
1.0
0
1.2
0
1.2
1.2
0
0
2.0
2.0
3.3
1.8
1.7
1.7
0
3.0
3.0
FROM/TO JACK
3
4
5
NC
NC
NC
NC
NC
1.6
3.3
6
7
8
9
10
1.6
1.6