A-Board (18 Of 19) Schematic Diagram - Panasonic TH-42LRU20 Service Manual

11.19. A-Board (18 of 19) Schematic Diagram

A-BOARD TXN/A11PDUS (18/19)
!
TU8300
TNR5V
ENG36F15KF
Tuner
NC
1
R8308
BB 5V_BB
2
RF-AGC_Monitor 0 C8322
C8314 6.3V
3 10u 220u
10V
C8308 C8311
NC
5
BT_Monitor
6
NC
C8301 C8310 C8313
L2904
8 50V 16V 10V
10u J0JCC0000278
SIF-out 1000p 0.1u
9
VB 5V_VB R8309
10 0
Video-out R8306 0
11
SCL C8302 R8302
13
220p R8303 47
SDA 50V
C8303
14 47
AFT 220p R8307
50V
C8304
15 0
IF_AGC 50V 220p R8304
16
0
+B C8309 C8312 R8310
17
5V_+B C8315 0
10u
10V
IFD-out1
19
IFD-out2
20
IF_Monitor
21
L8300
C8318
G1CR39JA0020
50V 1000p R8311
0
IF_OUT_P
L8301
C8319 G1CR39JA0020
IF_OUT_N R8312
50V 1000p
0
IC8304
STB_SUB_5.8V C0DBGYY00281
C8375
TUNER5V TP8306
10V
1u
4 5
VIN VOUT
VSS
TO 6/19 CE NC
3 2 1
TO 13/19
TO 15/19
LCD_TV_SUB_ON
154 155
Tuner FE
R8341
TU-RF_AFT1 220
C8358
16V
0.01u
RF_VIDEO_OUT R8344
220
I2C, IFAGC
SUB3.3V
L8305
J0JHC0000045
IC8300
C8345
R8319 R8321
16V
MN88436 2.2k 2.2k
0.1u
US FrontEnd
C8331
R8316
FE_IF_AGC 0.01u 16V
C8336
1k
0.1u 16V 37 24
38 23
SCK
C8338 16V 39 22
AGCIF AGCRF VDDH1
SUB3.3V PCK R8329 C8346
0.1u 40 21
VDDL2 SDO SADR0
41 20 0 16V
TESTA NRST
10k
42 MN88436 19 0.1u
RF_VIDEO_OUT R8317
ADIRF GPO6 TP8300
L8304 43 18
C8339 ADVRH Thermal GPO5
J0JHC0000045 16V 0.1u
44 Pad 17
C8340 ADVRL GPO4
16V
0.1u 45 16
FE_SCL_TU VDDA VDDH0 GPO3
46 XI 15
ADINN CSEL1 GPO2
FE_SDA_TU 47 14
ADINP
48 13
TU-RF_AFT1
FE_IF_AGC
C8337
0.1u
16V
C8342
16V
0.1u
3.3V
1.2V
X8300
H0J250500079
C8341 C8343
50V 50V
18p 15p
C8327 C8329
R8313
0 50V 1000p 16V 0.1u
C8326
R8315
50V
470
120p
R8314 C8328 C8330
50V 1000p 16V 0.1u
0
LCD TUNER1.2V
IC8303
TNR5V
C0CBCAG00031
SUB3.3V
R8363
FE1.2V LCD TUNER1.2V L8309
J0JHC0000045
0
1 VOUT 6
VIN
C8370 C8369
6.3V 6.3V
4.7u 4.7u
2 VSS 5
VSS
3 ON/OFF 4
NC
156 157
To AUDIO AMP
TO 9/19
SIF
To STM(sLD)
SG-RF_AFT1 TO 6/19
To AV SW
MAIN_RF_CVBS
TO 11/19
TS
SUB3.3V
FE1.2V 27MHZ_CLK
C8353 1000p
L8306 50V
J0JHC0000045
C8354
C8356
16V 0.1u
16V 0.1u
C8347 C8348 C8349 C8350
IC8301 IC8302
16V 10V 10V
10V
0.1u 1u 10u
10u
C0JBAB000722 C0JBAB000722
1 5 1 5
R8328
FE_TSP_MOD6
2 2
47
R8340
R8332
AA_FE_RST 3 4 3 4
R8333 22 68
EXB28V470JX R8335
FE_TSP_MDO5
FE_TSP_MDO4
1M
R8336
FE_TSP_MDO3 680
FE_TSP_MDO2
X8301
R8330 FE_TSP_MDO1 H0J270500137
R8331 FE_TSP_MDO0
47
47
C8355
C8352
10p
10p
50V
50V
R8337
EXB28V470JX
FE_TSP_SYNC
FE_TSP_VALID
FE_TSP_CLK
R8334
47k
R8338
EXB28V470JX
FE_TSP_MDO0
FE_TSP_MDO1
FE_TSP_MDO2
FE_TSP_MDO3
FE_TSP_MDO4
FE_TSP_MDO5
I2C, IRQ, RST FE_TSP_MOD6
FE_TSP_MOD7
R8339
EXB28V470JX
FE1_SCL
AA_XIRQ2
AA_FE_RST
158 159 160
45
C8357
10V
1u
(27MHz CLK-IN)
Peaks-DEST
SYSCLK_IN
TO 4/19
(TS PARALLEL OUT) R8351
EXB28V470JX
TPO_DATA7 FE0_MDO7
TPO_DATA6 FE0_MDO6
TPO_DATA5 FE0_MDO5
TPO_DATA4
FE0_MDO4
TPO_DATA3
FE0_MDO3
PRO:Idiom
TPO_DATA2 FE0_MDO2
TPO_DATA1 FE0_MDO1
TPO_DATA0 FE0_MDO0
LGDT1129
EXB28V470JX
R8352
R8353
EXB28V470JX
(TS PARALLEL IN)
TPO_CLK FE0_CLK
TPI_SYNC
TPO_SYNC FE0_PSYNC
TPI_VALID
TPO_VALID
FE0_VAL
TPI_CLK
TPI_DATA0
TPI_DATA1
TPI_DATA2
TPI_DATA3
TPI_DATA4
TPI_DATA5
TPI_DATA6
TPI_DATA7
SUB3.3V
R8350
10k
IIC2
FE1_SCL
TO 1/19
FE1_SDA
AA_XIRQ2 TO 4/19
sLD
161 162
TH-42LRU20