Panasonic TC-P42U1 Service Manual page 51

11.13. A-Board (9/15) Schematic Diagram
A-BOARD TXN/A1EKUUS (9/15)
!
73 74
TUNER
!
TU8300
ENGE6609KF
TUNER
SUB5V
NC
1
NC
2
R8341
NC 0
3
R8300
RF_L
L-out
4 S
RF_R
R-out
5 S
R8301
RF-AGC_Monitor
7
R8332 VIDEO_OUT
Video-out
8 S
VB
9
C8301 C8302 C8310 L8301 VIDEO_OUT TO 7/15
50V 16V 6.3V J0JHC0000045
1000p 0.1u 220u
BT30V
BT_Monitor
TP8303
11 L8302
J0JHC0000045
BTL
12 C8309 C8311
50V 35V
0.01u 22u
TP8304
R8302 47
SDA SYS_SDA2_TUNER
14 C8304
TP8305 TO 7,10/15
50V 220p R8303 47
SCL SYS_SCL2_TUNER
15 C8305
50V 220p AG_RF_AFT1
AFT-out
16 C8306
50V 220p
+B
17 C8313 C8307 C8312 L8303
50V 16V 6.3V J0JHC0000045
IF_Monitor 1000p 0.1u
220u R8304
18
0
IF-AGC
19
IFD-out1
20
L8326 L8328
IFD-out2
21 G1CR10JA0020 G1C56NJ00018
C8392
R8336 50V L8323
0 33p G1CR22JA0020
C8395 C8398
50V 50V
220p 120p
C8394
50V
C8393
150p
R8337 50V
33p
0
L8324
C8396 C8399
G1CR22JA0020
50V 50V
220p 120p
L8327 L8329
G1CR10JA0020 G1C56NJ00018
75 76
TO 7/15
AG_RF_AFT1
R8312 AG_RF_AFT1
TP8300
220
RF_L
RF_L
TP8301
RF_R
RF_R TO 5/15
TP8302
RF_V
RF_V
Seine3LV
TO 1/15
IFAGC
R8315
C8346
1k
16V
0.1u
C8401 C8403
50V R8338 16V
1000p 0 0.1u
VINP_VSB
C8400
50V
68p C8404
C8402
16V
50V R8339
1000p 0.1u
0
VINN_VSB
77 78
51
79 80 81