Panasonic TC-42PX14 Service Manual page 51

11.15. A-Board (9/14) Schematic Diagram
! A-BOARD TXN/A1EWUUS (9/14)
73 74
TUNER
SUB5V
NC
1
NC
R8341
2 0
NC
3
L-out R8300 RF_L
4 S
R-out R8301
RF_R
S
5
RF-AGC_Monitor
7
Video-out R8332
VIDEO_OUT
! TU8300
8 S L8301
VB 5V_VB J0JHC0000045
ENGE6611KF VIDEO_OUT
9
C8301 C8302 C8310
50V 16V 6.3V
1000p 0.1u 220u
TUNER
BT_Monitor BT30V
TP8303
11 L8302
BTL BT30V J0JHC0000045
12
C8309 C8311
50V 35V
22u
0.01u
SDA R8302 47
SYS_SDA2_TUNER
SYS_SDA2_TUNER
14 C8304
SCL R8303 47
50V 220p SYS_SCL2_TUNER
SYS_SCL2_TUNER
15 C8305
AFT-out 50V 220p R8331 AG_RF_AFT1
16 C8306 S
+B 50V 220p
17 C8313 C8307
C8312 L8303
IF_Monitor 50V 16V 6.3V
J0JHC0000045
1000p 0.1u 220u
18
IF-AGC R8304
19 S
L8326
IFD-out1
G1CR10JA0020
R8336 L8323
20
IFD-out2 0 G1CR22JA0020
21
C8392 C8395
50V 50V
33p 220p
C8394
50V
150p
C8393
R8337
50V
33p
0
L8324
C8396
G1CR22JA0020
50V
220p
L8327
G1CR10JA0020
75 76
ANALOG
R8312
220
AG_RF_AFT1
TP8300
RF_L
TP8301
RF_R
TP8302
RF_V
TO 7/14
TO 7,10/14
Seine3LV
TO 1/14
IFAGC
C8346
R8315
L8328 16V
1k
C8401 0.1u
G1C56NJ00018
50V
R8338
1000p
0
VINP_VSB
C8398 C8403
50V 16V
120p R8339 0.1u
0
C8400
50V VINN_VSB
68p C8404
16V
0.1u
C8399
C8402
50V 50V
120p 1000p
L8329
G1C56NJ00018
77 78
51
TO 7/14
AG_RF_AFT1
RF_L
RF_R TO 5/14
RF_V
79 80 81