AOC L26AS73 Service Manual page 33

26" LCD TV
+3.3V
R400
10KΩ 1/10W
+ C406
10uF/16V
R_TX2+
R_TX2+
R_TX2-
R_TX2-
G_TX1+
G_TX1+
G_TX1-
G_TX1-
B_TX0+
B_TX0+
B_TX0-
B_TX0-
TXCLK+
TXCLK+
TXCLK-
TXCLK-
AVDD_HDMI
HDMI_SDA
HDMI_SDA
HDMI_SCL
HDMI_SCL
HS_RGB
HS_RGB
VS_RGB
VS_RGB
BIN+
BIN+
BIN-
BIN-
SOG
SOG
GIN+
GIN+
GIN-
GIN-
RIN+ C415
RIN+
RIN- 0.1uF
RIN-
PB-
PB-
PB+
PB+
PY -
PY -
PY +
PY +
SOY
SOY
PR-
PR-
PR+
PR+
SVIDEO-Cin+ C417 0.01uF
SVIDEO-Cin+
SVIDEO-Y in+ C418 0.01uF
SVIDEO-Y in+
SVIDEO-Y in- C419 0.01uF
SVIDEO-Y in-
CVBS_IN C443 0.047uF
CVBS_IN
R427
47Ω 1/10W C421 0.01uF
TV1-Vin+ C422 0.01uF
TV1-Vin+
TV1-Vin- C423 0.01uF
TV1-Vin-
CVBSOUT
CVBSOUT
C424 0.1uF
TV_SIF+
For TUNER C425 0.1uF
TV_SIF-
For VGA PC-Lin
PC-Lin
PC-Rin
PC-Rin
AV/SVIDEO-AUD-Lin+
AV/SVIDEO-AUD-Lin+
For AV/S-Video AV/SVIDEO-AUD-Rin+
AV/SVIDEO-AUD-Rin+
For TUNER TV-MONO
TV-MONO
For HDTV HD-Rin+
HD-Rin+
HD-Lin+
HD-Lin+
AUVRADP
C433 + C435
10uF/16V 0.1uF
AUVRADN
AUVREF
C437
2.2uF AUCOM
C438 + C439
10uF/16V 0.1uF
CN400
CONN 5Vstb
1
2
3 RXD
4 TXD
5 WP_FSH
TXD
RXD
+3.3V
R440 R441 R442 R443
1KΩ 1/10W NC NC 10KΩ 1/10W
PWM3
ADJ-PWM2
PWM1
PWM0
R446 R447 R448 R449
NC 10KΩ 1/10W 10KΩ 1/10W NC
1 2
D400
BAV99
+ C400
47UF/16V
1 Q400
3906
R459 R406
1KΩ 1/10W SY S_RST 100Ω 1/10W
C404
47pF C405
100pF
R411 R413 AVDD_AU
10KΩ 1/10W 1MΩ 1/10W AVDD_HDMI
X400 AVDD_SIF AVDD_MemPLL
14.318MHz
AVDDA
C408
47pF
TXCLK- 1
RXCKN
TXCLK+ 2
RXCKP
B_TX0- 4
RX0N
B_TX0+ 5
RX0P
R421 G_TX1- 7
RX1N
390Ω 1/10W G_TX1+ 8
RX1P
1% R_TX2- 10
RX2N
R_TX2+ 11
RX2P
13
REXT
HDMI_SDA 14
DDCD_DA
HDMI_SCL 15
DDCD_CK
C409 HS_RGB 16
HSY NC1
0.1uF VS_RGB 17
VSY NC1
C410 18
RMID
0.1uF 19
VCLAMP
20
REFP
21
REFM
C411 BIN+ 22
BIN1P
0.1uF BIN- 23
BIN1M
SOG 24
SOGIN1
C416 GIN+ 25
GIN1P
0.1uF GIN- 26
GIN1M
RIN+ 27
RIN1P
RIN- 28
RIN1M
PB- 29
BIN0M
PB+ 30
BIN0P
PY - 31
GIN0M
PY + 32
GIN0P
SOY 33
SOGIN0
PR- 34
RIN0M
PR+ 35 U400
RIN0P
38
HSY NC0
39
VSY NC0
40 MST9002
C1
41
Y1
SV_C0 SV_C0 42
C0
SV_Y 0 SV_Y 0 43
Y0
VCOM2 VCOM2 44
VCOM2
45
CVBS3
CVBS2 CVBS2 46
CVBS2
47
CVBS1
VCOM1 VCOM1 48
VCOM1
TUNER_CVBS TUNER_CVBS 49
CVBS0
VCOM0 VCOM0 50
VCOM0
CVBSOUT 51
CVBSOUT
SIFP SIFP 54
SIF1P
SIFM SIFM 55
SIF1M
AUVRADN
57
AUVRADN
AUVRADP 58
AUVRADP
AUVREF 59
AUVREF
C426 2.2uF 61
AUL0
C427 2.2uF 62
AUR0
C428 2.2uF 63
AUL1
C429 2.2uF 64
AUR1
AUCOM 65
AUCOM
2.2uF C792 66
AUL2
67
AUR2
C430 2.2uF 68
AUL3
C431 2.2uF 69
AUR3
70
AUOUTL3
71
AUOUTR3
AUOUTL2 72
AUOUTL2
AUOUTR2 73
AUOUTR2
AMP-Lout 74
AUOUTL
AMP-Rout 75
AUOUTR
76
AUOUTS
78
GPIOF2
79
GPIOF3
80
GPIOF4
81
GPIOF5
82
GPIOF6
83
GPIOF7
84
GPIOF8
85
GPIOF9
86
GPIOF10
87
GPIOF11
+3.3V
RP409
4.7KΩ 1/16W
R436 10Ω 1/10W
R437 10Ω 1/10W
R438 10Ω 1/10W
R439 10Ω 1/10W
SDA I2C-SDA
SCL I2C-SCL IR_SY NC
TXD DDC-TXD
RXD DDC-RDX
KEY 0 PWM3
KEY 1 ADJ-PWM2
ADJ-PWM2
PWM1
PWM0
+3.3V
R409
10KΩ 1/10W R414
100Ω 1/10W
SCL_EXT
VDD_MPLL
SDA_EXT
VDDC VDDP R415
100Ω 1/10W
R491
1KΩ 1/10W
202
DI7
201
DI6
200
DI5
199
DI4
198
DI3
197
DI2
196
DI1
195
DI0
192
ICLK
194
IVSYNC
193
IHSYNC
for TTL output
RP401
NC 33Ω 1/16W
191 5
GPIOE0/LVSYNC
190 6
GPIOE1/LHSYNC
189 7
GPIOE2/LDE
188 8
GPIOE3/LCK
185 5
LB0M/R7
184 6
LB0P/R6
183 7
LB1M/R5
182 8
LB1P/R4
181 5
LB2M/R3
180 6
LB2P/R2
179 7
LBCKM/R1
178 8
LBCKP/R0
177 5
LB3M/G7
176 6
LB3P/G6
175 7
LB4M/G5
174 8
LB4P/G4
171 5
LA0M/G3
170 6
LA0P/G2
169 7
LA1M/G1
168 8
LA1P/G0
167 5
LA2M/B7
166 6
LA2P/B6
165 7
LACKM/B5
164 8
LACKP/B4
163 5
LA3M/B3
162 6
LA3P/B2
161 7
LA4M/B1
160 8
LA4P/B0
RP402 NC 33Ω 1/16W
RP403 NC 33Ω 1/16W
RP404 NC 33Ω 1/16W
RP405 33Ω 1/16W
RP406 33Ω 1/16W
RP407 33Ω 1/16W
124 SPI_DO
SDO
123 SPI_CZ
CSZ
122 SPI_DI
SDI
121 SPI_CK
SCK
97
GPIOF19
96
GPIOF18
95
GPIOF17
94
GPIOF16
93
GPIOF15
92
GPIOF14
91
GPIOF13
90
GPIOF12
139
PWM_SENSE
138
PWM_DRV
137
PWM_FB
+3.3V
RP410 RP411
4.7KΩ 1/16W R456
4.7KΩ 1/10W
DDCWP
ASTB
POWER-ON/OFF
HPDCTRL
LED1
PANEL-ON/OFF
AMP-MUTE
WP
WP_FSH
5Vstb
ON-PBACK
R762
4.7KΩ 1/10W
R763
7.5KΩ 1/10W
33
Location Near IC Pin.
Location Near IC Pin.
R401
AMP-Rout 100Ω 1/10W AMP-R R725
AMP-R
AUOutR2 NC 100Ω 1/10W
C402 R403
0.01uF 22KΩ 1/10W C776
NC 0.01uF
R407
AMP-Lout 100Ω 1/10W AMP-L R727
AMP-L
AUOutL2 NC 100Ω 1/10W
C407 R412
SCL_EXT
0.01uF 22KΩ 1/10W C777
SDA_EXT
NC 0.01uF
PRE-MUTE
5Vstb
R416
47K1/10W R417
4.7KΩ 1/10W
R420
4.7KΩ 1/10W
LED1 1 Q401
LED1
PMBS3904
KEY0
KEY1
IR_SY NC
R425
4 LVSYNC NC
3 LHSYNC C412 C413
2 LDE 100pF 100pF
1 LCK
4 RXO0-/R7
3 RXO0+/R6
2 RXO1-/R5
1 RXO1+/R4
4 RXO2-/R3
3 RXO2+/R2
2 RXOC-/R1
1 RXOC+/R0
4 RXO3-/G7 23 24
3 RXO3+/G6 21 22
2 RXO4-/G5 19 20
1 RXO4+/G4 RXE0-/G3 17 18 RXE0+/G2
4 RXE0-/G3 RXE1-/G1 15 16 RXE1+/G0
3 RXE0+/G2 RXE2-/B7 13 14 RXE2+/B6
2 RXE1-/G1 RXEC-/B5 11 12 RXEC+/B4
1 RXE1+/G0 RXE3-/B3 9 10 RXE3+/B2
4 RXE2-/B7 7 8
3 RXE2+/B6 5 6
2 RXEC-/B5 3 4
1 RXEC+/B4 1 2
VCC-Panel
4 RXE3-/B3
3 RXE3+/B2
2 RXE4-/B1 CONN24X2 2MM
CN402
1 RXE4+/B0
+3.3V
U401 C432
MX25L4005 0.1uF
R429
100Ω 1/10W 1 8
CE# VDD
4.7KΩ 1/16W
2 7
SO HOLD#
R430
NC 3 6
WP# SCK
RP408
4 5 33Ω 1/16W
VSS SI
1 8
2 7
3 6
4 5
5Vstb
I2C address I2C address
at A0. at A4.
C440
2.2uF/16V 5Vstb
U402
1
1 8 2
E0 VCC
2 7 3
E1 WC
3 6 4
E2 SCL
4 5
VSS SDA
U403
AT24C04N
M24C32-WMN6TP
R434 R435
100Ω 1/10W 100Ω 1/10W
DDCWP
ASTB
POWER-ON/OFF
HPDCTRL
LED1
PANEL-ON/OFF
AMP-MUTE
ON-PBACK
AOC L26AS73
AUOut2-R
AUOut2-R
R726
NC 22KΩ 1/10W
AUOut2-L
AUOut2-L
R728
NC 22KΩ 1/10W
+3.3V
R418 R419
3.3KΩ 1/10W 3.3KΩ 1/10W
CONN
R422
1KΩ 1/10W 1
KEY 0-in 2
KEY 1-in 3
IR-in 4
LED-R 5
R423 6
5Vstb
1KΩ 1/10W 7
R424
10Ω 1/10W
CN401
R426
NC C414
100pF
J400
NC
1
2
3
4
RXE4+/B0 5
RXE4-/B1 6
RXE3+/B2 7
RXE3-/B3 8
9
RXEC+/B4 10
RXEC-/B5 11
RXE2+/B6 12
RXE2-/B7 13
14
RXE1+/G0 15
RXE1-/G1 16
RXE0+/G2 17
RXE0-/G3 18
19
RXO4+/G4 20
RXO4-/G5 21
RXO3+/G6 22
RXO3-/G7 23
24
RXOC+/R0 25
RXOC-/R1 26
RXO2+/R2 27
RXO2-/R3 28
29
RXO1+/R4 30
RXO1-/R5 31
RXO0+/R6 32
RXO0-/R7 33
34
LCK 35
36
LDE 37
38
LVSYNC 39
VCC-Panel LHSYNC 40
RP400 41
42
43
+ C436 44
C434 0.1uF 45
470uF/16V 46
47
SPI_CK 48
SPI_DI 49
SPI_CZ 50
SPI_DO
51
52
5Vstb
C444
2.2uF/16V
8
NC VCC
7
E1 WC
6
E2 SCL
5
VSS SDA
R451 R457
100Ω 1/10W 100Ω 1/10W
Title
03)MST9E19A
Size Document Number Rev
T2678-B-X-X-1-070420
A2 01
Date: Friday , April 20, 2007 Sheet 3 of 8