A-Board (9/12) Schematic Diagram - Panasonic TC-L42U22 Service Manual

11.10. A-Board (9/12) Schematic Diagram

! A-BOARD TXN/A10QHMS (9/12)
J0JGC0000070
73 74
SUB5V_TUNER
L8302
!
*TU8302
C8324
ENG36F12KF
6.3V
220u
TUNER
NC
1
BB
R8350
2
*C8354 0
TU_RFAGC
RF-AGC_Monitor
6.3V
3
1u
D8304
<
RLZTE-1118B
NC
5
D8303
BT_Monitor
B0BC17000001 6
NC L8315
8
J0JCC0000269
TU_SIF
SIF-out
9
R8406 0
VB
10
C8353 C8350 C8349 VIDEO_OUT
Video-out
6.3V 16V 50V
0.1u 11
1u 1000p
TP8305
R8326 0
SCL
13
TP8304
R8325
0
SDA
14
AG_RF_AFT
AFT-OUT
15
*R8338 0
IF_AGC
16
*R8303
+B *C8302 1k
16V
17
C8355 C8352 C8351 0.1u
6.3V 16V 50V
1u 0.1u 1000p
IFD-out1
19
IFD-out2
20
IF_Monitor
21
*R8345
*C8331
0
50V 33p
*R8346
*C8332
0
50V 33p
75 76
SUB5V
SUB5V R8307
100
AG_RF_AFT
*R8335
C8370 0
16V
TP8302
L8306 0.1u
J0JHC0000045
RF_V C8313
R8330 R8334
16V
470
2.2k 0.1u
*R8341
820 Q8305
TU_SIF C8312
B1ADCE000022
50V
R8332
R8339 180p
22
220
Q8308 SUB5V R8336
C8314
R8331 R8333 22
16V
DSA2001S0L 4.7k 1.2k
0.1u
R8308
100 Q8307
TU_RFAGC
B1ABCF000231
R8322 R8324
4.7k 100
R8323
33k
SUB5V
R8318
22k
Q8304
C8305 D8300
R8321 R8306 50V Q8302 R8314 B0ACCJ000048
C8304
4.7k 2.2k 220p 33k B1ABCF000231
6.3V DSA2001S0L
C8306
1u
50V
1500p Q8303 R8315 R8316
R8309 22k 47k
75 B1ABCF000231
R8312
Q8301 C8308
4.7k C8307
DSA2001S0L R8311 16V
R8310 R8313
C8303 50V 0.1u
470k 10k 10k
R8305 50V 2200p
100 1000p
*L8310 *L8312
G1CR10JA0020 G1C56NJ00018
*C8334
*C8337 *C8340 *C8342
50V 50V
*L8307 50V *R8347 16V
220p 120p
G1CR22JA0020 1000p 0 0.1u
VSB_INP
*C8333 *C8336 *C8339
50V 50V 50V
150p 39p 68p
*L8308
G1CR22JA0020 VSB_INN
*R8348
*C8335 *C8338 *C8341 *C8343
50V 50V 50V 0 16V
220p 120p 1000p 0.1u
*L8311 *L8313
G1CR10JA0020 G1C56NJ00018
77 78
46
TO 1/12
RF_AFT
RF_V TO 5/12
R8337
C8315
1k
50V
R8302
1000p
560
SIFIN
Q8306
B1ADCE000022
TO 1/12
RFAGC
R8320
100
TV_SYNC/TUNERBOX_SEL
R8317 R8319
47k
39k
24KEC_I2CCLK0_TU
TO 12/12
24KEC_I2CDATA0_TU
*R8342
1k
IFAGC TO 1/12
*C8328
16V
0.1u
VSB_INP
TO 1/12
VSB_INN
79 80 81