A-Board (11/11) Schematic Diagram - Panasonic TC-L42U12 Service Manual

11.12. A-Board (11/11) Schematic Diagram

!
A-BOARD (11/11)
TXN/A10PYHS
! TUNER
TU8300
ENGE6609KF
NC
1
NC
2
NC
3
L-out
4
R-out
5
RF-AGC_Monitor
7
Video-out
8
VB
9 C8310
C8307
50V 16V
0.1u
1000p
BT_Monitor
11
BTL
12 C8308 C8311
50V 35V
22u
0.01u
SDA
14 C8301
SCL 50V 220p
15 C8302
AFT-out 50V 220p
16
C8303
+B 50V 220p
17
C8309 C8312
IF_Monitor 16V
50V
18 1000p 0.1u
IF-AGC
19
IFD-out1
20
IFD-out2
21
R8300
0
91 92
SUB5V
L8306
J0JHC0000045
R8317
1k
R8314
220
Q8300
2SB0709ASL
I2C, IFAGC
SUB5V
R8311
0
R8306 1k AC_TV1_L
R8307 1k AC_TV1_R
R8339 R8340
FE_IF_AGC
4.7k
4.7k
R8308 0 RF_VIDEO_OUT
L8300
C8313
J0JHC0000045
6.3V
220u
BT30V
TP8300 L8301
SUB3.3V
J0JHC0000045
R8302 FE_SDA_TU
47
R8303 47 FE_SCL_TU
R8305 0 AG_RF_AFT1
C8314
L8302
6.3V
J0JHC0000045
220u
R8304
FE_IF_AGC
0
R8301
0
C8315
C8322 C8324
R8312
IF_OUT_P 50V 1000p R8309 L8303 50V 1000p 0.1u
16V
G1CR39JA0020
0 0
C8321 R8316
L8305
50V
G1CR10JA0020 470
120p
L8304
C8316 C8325
C8323
R8310 G1CR39JA0020 R8313
IF_OUT_N 50V 1000p 16V 0.1u
50V 1000p
0 0
93
SUB3.3V
J0JHC0000045
L8308
J0JHC0000045
C8328 C8330
C8340
R8321 R8324
16V 10V
16V
2.2k 2.2k
0.1u 10u
0.1u
IC8300
MN88436
R8318
1k FE LSI
C8331
C8326
0.1u 16V 37 24
16V 0.01u
38 23 R8335 47
VDDH2 SCK
C8333 16V 39 22 16V 0.1u
AGCIF VDDH1
AGCRF
0.1u 40 21 R8336 0
VDDL2 VSS2 SADR0
41 20 R8337 22
TESTA NRST
R8319 10k
1% 42 19
ADIRF GPO6 TP8302
Thermal
C8334
43 18
16V 0.1u ADVRH Pad GPO5
L8307 C8335 44 17
ADVRL GPO4
J0JHC0000045 16V 0.1u
45 16
VDDA GPO0 GPO3
CSEL1
46 15
C8327 C8329 ADINN VDDH0 GPO2
10V
16V 47 14
ADINP GPO1
0.1u 10u
48 13
C8332
16V
0.1u
C8337 C8339
16V 16V
0.1u 0.1u
3.3V
1.2V
R8323
220
25MHz
X8300
H0J250500079 R8328
100
C8336
C8338
50V 50V
12p 15p
94 95
38
AG_RF_AFT1
TO 5/11
TP8003
AC_TV1_R
TP8002
AC_TV1_L
TP8005
AC_TV1_V
TS
R8338
SUB1.2V
TO 1/11
47k
CH0CLK
L8309
CH0DATA
CH0PSYNC
CH0VAL
C8342 C8343 C8344 C8345
16V 6.3V 10V 10V
10u
0.1u 1u 10u
SUB3.3V
C8341 CH0CLK
R8327
47k
TO 2,5,10/11
XECS7
AD_SDA2
AD_SCL2
TO 1/11
XIRQ2
XECS7
I2C, IRQ, RST
96 97
TO 6/11
AG_RF_AFT1
AC_TV1_R
AC_TV1_L
AC_TV1_V
CH0CLK
CH0DATA
CH0PSYNC
CH0VAL
AD_SDA2
AD_SCL2
XIRQ2
XECS7
SUB3.3V SUB1.2V
C8382 C8373 C8375
C8372 C8376 C8381
10V 16V 16V 16V 10V
16V
0.01u 0.1u 10u
10u 0.01u 0.1u
SUB5V BT30V
C8374 C8377 C8378 C8379 C8370 C8371 C8380
10V 16V 16V 16V 50V 50V 50V
10u 0.1u 0.01u 0.1u 1000p 0.1u 0.01u
98 99