Sony KLV-21SG2 Service Manual page 31

1 3
2
A
B
C
D
E
F
G 3.3 3.3
Q5802
DTA143EUA-T106
D3.3V SW
0
3.3
Q5803
DTC114EUA-T106
D3.3V CONTROL
TO(4/8)
BOLTIN
Q5801
SSM6N15FU(TE85R)
LEVEL SHIFT
H
R5803
4.7k
1/16W
2.7
CHIP
R5801
4.7k
1/16W
CHIP
SCL_B
TO(1/8,2/8,
3.0 2.7
3/8,8/8)
SDA_B
I
• B(5/8) BOARD WAVEFORMS
2
1
0.2 Vp-p (33MHz) 0.6 Vp-p (100MHz)
J
K
4 5 6
Q5805
SI2301DS-T1
FB5802
0uH 3.3V SW 3.3
R5817
10k
1/10W
FB5801
0uH
0
IC5803
BA25BC0FP-E2
2.5V REG
2.5
OUT
VCC
GND
C5823
22
6.3V
C5824 C5831 C5834 C5838
0.33 220 6.3V 0.1 Q5804
10V 4V 10V
B B DTC114EUA-T106
1608 1005 3.3V CONTROL
C5826 C5829 C5832 C5833
470p 0.01
0.01 470p
50V 16V
16V 50V
B B B B
C5836 C5841
0.01 16V 0.01
B 16V
C5821 B
0.01 C5835 C5839
470p 470p
16V
50V 50V
B
B B
C5819
470p
50V
B
156155154153152151150149148147146145144143142141140139138137136135134133132131130129128127126125124123122121120119118117116115114113112111110109108107106105
BLSD_DQ3
157 DQ3
BLSD_DQ15
158 DQ15
BLSD_DQ2
159 DQ2
BLSD_DQ16
160 DQ16
BLSD_DQ1
161 DQ1
C5804
0.01 16V B
162 VDDE
C5805
470p 50V B
163 VSS
164 VSS
C5806
0.01 16V B
C5807 165 VDDE
BL_CLK BL_CLK 470p 50V B
166 CLKTMDS
JL5804
BL_HS
XX
167 ITHSYNC
BL_VS
168 ITVSYNC
BL_EN
169 ITDE
JL5801
170 ITCTL3
XX
JL5802 171 ITCTL2
R5805
XX
0
JL5803 172 ITCTL1
R5804
XX CHIP
XX
173 ITSCDT
CHIP
BL_R7
174 ITQE23
BL_R6
175 ITQE22
176 VSS
C5808
0.01 16V B
177 VDDI
C5809
BL_R5
470p 50V B
178 ITQE21
BL_R4
179 ITQE20
BL_R3
180 ITQE19
BL_R2
181 ITQE18
BL_R1
182 ITQE17
C5810
0.01 16V B
183 VDDI
C5811
BL_R0 470p 50V B
184 ITQE16
BL_G7
185 ITQE15
BL_G6
186 ITQE14
BL_G5
187 ITQE13
BL_G4
188 ITQE12
189 VSS
C5812
0.01 16V B
190 VDDI
C5813
BL_G3
470p 50V B
191 ITQE11
BL_G2
192 ITQE10
BL_G1
193 ITQE9
BL_G0
194 ITQE8
BL_B7
195 ITQE7
BL_B6
196 ITQE6
BL_B5
197 ITQE5
BL_B4
198 ITQE4
BL_B3
199 ITQE3
200 VSS
C5814
0.01 16V B
201 VDDE
C5815
BL_B2 470p 50V B
202 ITQE2
BL_B1
203 ITQE1
BL_B0
204 ITQE0
205 XTST
206 XSM 1
207 MST
208 MCK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
+2.5V
R5811 R5813
10k 10k
+3.3V C5817
0.01 1/16W 1/16W
16V
B R5849 C5840
C5820 C5837
R5809 180 470p
470p 0.01
10k 1/10W 16V 50V
50V CHIP JL5807
1/16W B B
B CHIP
JL5806 JL5808
C5828
C5830
10p
50V 5p
X5801 50V
CH 33MHz
CH
R5806 R5810 R5814
0 0 0
R5815
CHIP CHIP CHIP
0
CHIP
7 8 9
3.3
3.3V-2
X5802
100MHz
FB5803
0uH C5852
0.1 OE/ST VDD
10V R5818
B
GND OUT 0
CHIP
R5808
100
1/16W
CHIP
C5866 C5868
0.01 470p
16V 50V
B B
C5850 C5854 C5857
0.01 0.01 470p
16V 16V 50V
C5842 C5843 C5860 C5862 C5863
B B B C5869 C5870
470p 0.01 C5848 C5853 C5855 0.01 470p 0.01
470p 16V 50V 16V 0.01 470p
50V 16V 470p 0.01
B B 50V 50V 16V B B B 16V 50V
B B
B B B
C5864
470p
50V C5871
B 100
6.3V
C5872
100
6.3V
BLSD_A6
OA6 104
BLSD_A2
OA2 103
BLSD_A5
2 OA5 102
BLSD_A3
OA3 101
BLSD_A4
OA4 100
C5873
470p
O6RED0 99
50V
B
O6RED1 98
VDDE 97 C5874
0.01
16V
VSS 96 B
VDDE 95
C5876
94 0.01
16V
B
93
1005
O6RED2 92
O6RED3 91
O6RED4 90
O6RED5 89
O6RED6 88
O6RED7 87
C5877
470p
VDDI 86 50V
B
VSS 85
C5878
0.01
VDDE 84 16V
B
O6GRN0 83
O6GRN1 82
O6GRN2 81
C5879
470p
O6GRN3 80
50V
B
IC5802 VDDI 79
C5880
CXD9756R
0.01
LCD DRIVE O6GRN4 78
16V
B
O6GRN5 77
O6GRN6 76
O6GRN7 75
C5881
0.01
16V
74
B
C5882
VDDI 73 470p
50V
B
VSS 72
C5883
470p
50V
VDDE 71
B
C5884
70 0.01
16V
B
69
68
67
O6BLU0 66
O6BLU1 65
O6BLU2 64
O6BLU3 63
O6BLU4 62
VDDE 61
C5886
VSS 60 0.01
16V
B
59
O6BLU5 58
O6BLU6 57
O6BLU7 56
O6HS 55
ODE 54
O6VS 53
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 50 51 52
C5859 C5867
470p
0.01
50V
16V
B B
C5844 C5846 C5849 C5856 C5861 JL5817
470p 0.01 C5865
470p 0.01 0.01
50V 50V C5851 16V 16V 470p
16V C5858 50V
B B 0.01 B B JL5812 JL5814 JL5816
B 470p B R5819
16V 50V JL5810 47
C5845 C5847 B
0.01 B JL5813 JL5815 1/16W
470p JL5809 JL5811
16V CHIP
50V
B B
10
11 12
FB5804
0uH
R5822
CHIP XX
IC5804
D3.3V
THC63LVDM83R-T
LVDS TX
R5820
0
CHIP
RS TA4
C5887 BLO_R7
0.01 TD1 TA3
16V
BLO_R5
B
1005 TA5 TA2
BLO_G0
TA6 GND
GND TA1
BLO_G1
TB0 TA0
BLO_G2
TB1 TD0
BLO_G6
TD2
LVDS GND
VCC TA-
C5888 BLO_G7
0.01
TD3 TA+
16V
BLO_G3
B
TB2 TB-
1005
BLO_G4
TB3 TB+
C5891 0.0116V B 1005
GND
LVDS VCC
BLO_G5
TB4
C5894
LVDS GND
BLO_B0 470p
50V
TB5 TC-
FB5806 B
BLO_B6
0uH 1005
TD4 TC+
R5821
R/F TCLK-
CHIP XX
R5823 BLO_B7
10k
TD5 TCLK+
1/10W
CHIP BLO_B1
TB6 TD-
BLO_B2
TC0 TD+
C5890
GND
0.01
LVDS GND C5893
BLO_B3 16V
B 470p
TC1
1005 50V
BLO_B4 PLL GND
B
RB5801 TC2
47 PLL VCC 1005
BLO_R0 BLO_B5
TC3
FB5805
BLO_R1 PLL GND
0uH
TD6 PDWN
BLO_R2
VCC CLK IN
BLO_R3 BLO_HS
TC4 TC6
C5889 JL5818 BLO_VS
0.01 TC5 GND
C5875
470p 16V
B
50V
1005
B
R5824
RB5802
10k FL5802
47 1/10W
BLO_R4 CHIP
EMI
BLO_R5
G
BLO_EN
BLO_R6
BLO_R7 BLO_CLK
RB5803
47
BLO_G0
BLO_G1
BLO_G2
BLO_G3
BLO_G4
BLO_G5
BLO_G6
BLO_G7
RB5804
47
7 5 3 1 7
8 6 4 2 8
C5803
0.1
10V
B
RB5805 1005
47
BLO_B0
BLO_B1
50 49 48 47 46 45 44 43
BLO_B2
BLO_B3
C5885
470p
50V
B
RB5806
1 2 3 4 5 6 7 8
47
FL5801
BLO_B4
BLO_B5 EMI
G 7 5 3 1 7
BLO_B6
C5801 C5802 C5816
BLO_B7 0.1
22 0.1
6.3V 10V
10V
B B B
BLO_HS
3216 1005
1005
BLO_EN
8 6 4 2 8
BLO_VS
RB5807
22
15
13 14
PANEL12V TO(1/8)
R5835
4.7k XX
1/10W R5840
CHIP 0
5.0 CHIP
JL5820
0
TO(1/8) A_LINE
R5837
3.3k XX
1/10W
CHIP
Q5806
DTC114EUA-T106
INV.
XX
BLO_R4
BLO_R3
BLO_R2
R5839
XX
CHIP
BLO_R1 CN5801
R5836
20P
0
BRN
BLO_R0 CHIP
BLO_R6 20 GND
19 GND
18 TX0-
17 TX0+
16 GND
15 TX1-
14 TX1+
13 GND
12 TX2-
TO
11 TX2+
LCD PANEL
10 GND
9 TCLK-
8 TCLK+
7 GND
6 TX3-
5 TX3+
4 GND
3 GND
2 VCC
C5892
0.01 1 VCC
16V
B
1005
PANEL 12V
C5895 TO(1/8)
FB5807
1000
JL5820
50V
B
1008
JL5819
POWER6
POWER6
R5838
0 TO(1/8)
CHIP
JL5805
XX
IC5801
MSM56V16160F-10TS-K
SD
56M RAM
5 3 1
R5812
C5822 0
0.1 CHIP
10V
B
6 4 2
1005
R5807
XX
CHIP
42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
5 3 1
6 4 2
C5818
0.1
10V
B
1005
B(5/8)
(LCD DRIVE)
B-SS11933<UC .>- B..-P5
KLV-21SG2 (UC) 3-19