AOC LE20A1140 Service Manual page 42

R476 must close to U101
I2C_SDA
5,6,10 I2C_SDA
I2C_SCL
5,6,10 I2C_SCL
TP264 TP262
C457
18PF 50V
R474 1.2K 1/16W
f or DTV XT_O
f or DTV
X402
24MHz
4 2
f or DTV R471
TP263
1M 1/10W
GND GND
f or DTV XT_I
C458
TP265
18PF 50V TP350
AVDD_MPLL
GND f or DTV R476
0R05 OHM
10 D_IF_AGC
f or DTV C470 100N 16V
C471 100N 16V f or DTV
C459 f or DTV
DIFP
NC/100N 16V C380 100N 16V
10 D_IFP
f or DTV DIFM C381 100N 16V
10 D_IFN
FB410 AVDD_MPLL
+3.3V 120R/3000mA
f or DTV
2 1
TP270
C461 C462
100N 16V 1uF 25V
f or DTV f or DTV
GND
FB411 AVDD33_ADC
+3.3V 120R/3000mA
f or DTV
2 1
TP271
C463
100N 16V
f or DTV
GND
FB412 AVDD_SAR
+3.3V 120R/3000mA
f or DTV
2 1
TP272
C464
100N 16V
f or DTV
GND
GND
Demod_3V3
+3.3V_Standby +1V2
C460
C465 100N 16V
100N 16V f or DTV
f or DTV
R488 R489
4.7K 4.7K
U101
+3.3V
R485
1
NC 10K
I2CS_SCL
2
VSS
3
XTAL_OUT
4
XTAL_IN
5
AVDD_MPLL
6
MSB1400
RFAGC
7
f or DTV
IF_AGC
QP 8
QP
9
QM
QM
10
VSS
11
IP
12
f or DTV
IM
f or DTV
TP268
TP269
AVDD33_ADC
AVDD_SAR
+3.3V
+1V2
C482
100N 16V
R486 f or DTV
TP273
NC/10K
AMP_BOND_MODE
+3.3V
R487 100N 16V
10K f or DTV
f or DTV
R472 R473
NC/4.7K NC/4.7K
TP274
10 Demod-M_SCL
10 Demod-M_SDA
TP275
TP285 TP286 TP287 TP288
place close to U101
33 OHM +-5% 1/16W
TS1_SY NC f or DTV
TS1_VALID
TS1_D0
3D_Enable 6
ARC_Det
36 TP284
TS_D[6]
35
TS_D[7]
34
TS1_CLK
TS_CLK
33
SSPI_CLK
32
SSPI_DI TP283
31
SSPI_DO
30
TESTPIN
29 RESETn
RESETZ
28
Demod_3V3
SSPI_CSZ
27
VDD33
26
VSS
25
+1V2
VDD
C469
100N 16V
C468 f or DTV
100N 16V
f or DTV
+3.3V
R478 H/W Strap
NC/10K
TS_ERR
H/W Strap x2bits
TP276
I2C slave address:
TS_ERR=0, I2C slave address=0xD2
R475 TS_ERR=1, I2C slave address=0xF2
Demod_3V3 10K
f or DTV
C481
T P V ( Top
絬 隔 瓜絪 腹
Key Component
Date
42
+3.3V_Standby
C478
R490
NC 100N 16V
10K
ARC_Det
5 ARC_Det
TP261
Q411
MMBT3904
RP401
5 4
TS_SY NC
6 3 TS_VALID
7 2 TS_DI
8 1
TS_CLK
C473 C474 C475
10PF 50V 10PF 50V 10PF 50V
f or DTV f or DTV f or DTV
+3.3V
R477
+3.3V
10K
U163
TP282
f or DTV
1 4
GND VCC
2 3
RESET MR
R479 100OHM1/16W
f or DTV NC/G692L293TCUf 2.91V
C456
1uF 10V
f or DTV
MR has internal pull-up with 20K
1.2V
FB704
TP277
120R/3000mA U705
+3.3V
f or DTV
1 2 1
IN OUT
2
GND
3
SHDN SET
C732
C733
1uF 10V 100N 16V G9141T11U
f or DTV f or DTV f or DTV
TP279
Linear equation: Vout=1.0V*(1+Rup/Rdow n)
Victory Electronics Co . , Ltd. ) OEM MODEL
TPV MODEL
11. MSB1400 Demod PCB NAME 715G5749-M01-001-0040
Monday , August 19, 2013 Sheet 11 of
Detect HDMI ARC
R491
HDMIA_CON5V
4.7K
HDMIA_CON5V 8
TS_SY NC 5
TS_VALID 5
TS_DI 5
TS_CLK 5
QP
TP266
QM
TP267
Demod_3V3 +3.3V
FB413
TP281
120R/3000mA
f or DTV
2 1
C472
100N 16V
C466
f or DTV C467
100N 16V 1uF 25V
f or DTV
f or DTV
+1V2
TP278
5 1 2
TP280
FB705 300R 4A
R796 f or DTV
100R 1%
4
f or DTV
C734
C735 22UF
100N 16V f or DTV
R795 f or DTV
470R 1%
f or DTV
B
Size
Rev A
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