Sony KLV-V26A10E Service Manual page 53

A B C
1
A2.-AT2X
2
A2
7/7 VIDEO PROCESSING
3
4
C4813
*
N_Y
N_PB
C4810
5 *
N_PR
C4812
*
R_TXT
C4846 10 16V
B_TXT
C4845 10 16V
C4843
0.1
16V
16 15 14 13 12 11 10 9
6
N/TEXT SW
IC4801
*
C4844
10
1 2 3 4 5 6 7 8
16V
G_TXT
N_TEXT_SW
C4832
R4835 R4834
1000p
0
XX
50V
CHIP
7
RGB3_TEXT_SW
D3.3V
L4801 R4805
C4808
10uH C4807
1k C4882
47
0.1
1/10W
XX 6.3V
16V
AV_FB
R4813
XX
R4814 R4815
Q4801 XX 100
8 2SA1037AK-T146-QR 1/10W
9
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
10
11
D E F
RGB1
BLK1
R1 C4805 10 16V
G1 C4801 10 16V
RGB2
B1
C4802
10 L4805
16V 10uH
BLK2
R2 C4806 10
16V
C4814
C4803
G2 0.1
10
16V C4842
B2 16V
47
16V
C4804
10
16 15 14 13 12 11 10 9
16V
IC4803
TL52055DR RGB1/2 SW
1 2 3 4 5 6 7 8
RGB1_RGB2_SW
R4833
XX
RGB3
BLK3
R3 C4851 10 16V
G3 C4850
10
B3 16V
R4827
*
C4852
10
C4819
C4847
16V 0.1
* 16V
R4825
*
C4848
*
16 15 14 13 12 11 10 9
IC4802
RGB3/TEXT
TL52055DR
1 2 3 4 5 6 7 8
C4849
*
R4836
XX
R4826
*
V5V
L4802
10uH
R4820 R4897
100 10k
1/10W 1/10W
YS_TXT
R4898
16 15 14 13 12 11 10 9 10k
C4815
C4811 1/10W
0.1
47
6.3V
16V
FS SW
IC4804
MC74LVXT4052DTR2
1 2 3 4 5 6 7 8
G H I J
A2(7/7) Board Waveforms
(20us/div)
TP1 TP2
20mVp-p (H) 405mVp-p (H)
RGB1/2
R
G
B
R4854
0
CHIP
R4848
75
1/10W
C4824
L4804 0.47
10uH
N/RGB3/TEX 10V
36 35 34 33 32 31 30
C4858
0.47
R4849
PR/R
N/TEXT/RGB3 RGB1/2 10V
75
Y/G
37
IN2_V/L2
38
IN2_L3
R4850
220 39
IN2_SW
R4855 40 GND1
C4859 0.47 10V
PB/B R 100
R4857 41 IN3_1
C4860 0.47 10V
B
100
IC4807
R4859 42 IN3_2
C4861 0.47 CXA2181Q-T6
G 100 10V
43 IN3_3
R4861 (84H)
C4829 0.47
10V
470
YOUT1
44 IN3_H
0.47 10V GAIN-ADJ
R4862 C4830
TP2
SYNC-SEP
75
45 IN3_V
46
C4862 2.2 10V GND3
PR/R
47
IN4_1
TP3
R4865 100 1/10W
48 NC
FSW_AUTO
C4863
R4866
2.2
100
10V 1 2 3 4 5 6
1/10W
PB/B
Y/G
C4835
C4834 0.47
R4868 C4864
0.47 10V
100 2.2
10V 10V
1/10W
R4869
470 C4839
0.01
YOUT2 25V
R4870
RGB_SW0
100
1/10W
RGB_SW1
- 53 -
K L M
(20us/div) (20us/div)
TP3
72.5mVp-p (H)
C4871 C4872
0.1 47
16V 16V
8
MAX4451EKA-TG069
1
C4876
XX
R4803 R4807 C4873
R4816
1M 75 470
470
1/10W 1/10W 16V
R4804 R4808 C4874
C4877
1M 470
75
1/10W
RN-CP 16V
8
MAX4451EKA-TG069
29 28 27 26 25
C4833
0.1
1
R4809 C4875
25V
75 470
C4878
1/10W 16V
VCC2 R4806 XX
24
1M
SELY_OUT 23 1/10W
1k
R4801 R4819
SELCB_OUT 22 470
R4873 XX R4802 1k 1/10W
SELCR_OUT 21
ADDRESS 20
R4876 0 CHIP
SDA_B_5V
SDA 19
47
R4863
SCL_B_5V
SCL 18
R4864 47
GND2 17
R4887
TP1
100
SELH_OUT
16
1/10W
SELV_OUT 15
C4853 C4855
XTAL 14 4700p 0.1
C4869 220 10V
16V 8
C4841 50V
VCC4 13
0.1
C4870 16V
0.1 25V
X4801 4MHz
TC7WH08FK(TE85R)
7 8 9 10 11 12
R4891 680
1
R4892 3.3k
C4837
C4836
2.2
2200p
R4888 C4854
50V
50V X4802
100 470p
1/10W
50V
R4874
10k
1/10W
R4871
R4877 470
10 1/10W
1/10W
Y_WSS
R4872
C4840
470
0.1
1/10W
16V
Q4804
2PA1576R-115
~ A2 Board Schematic Diagram [ Video Processing ] Page 7/7 ~
N O
COMP
L4806
10uH
CCP_Y
R4811
R4823
470
XX
1/10W
7 6 5
IC4805
2 3 4
R4812
470
R4824
0
CHIP
CCP_CB
CCP_CR
R4817
R4821
470 470
1/10W
1/10W
XX
R4822
1k
7 6 5
1/10W
IC4806
2 3 4
R4818
470
D3.3V
R4889
100
1/10W
H_SINK_IN
7 6 5
C4856
XX
IC4810
2 3 4
V_SINK_IN
C4857
R4890
XX
100
1/10W