A-Board (6/20) Schematic Diagram - Panasonic TC-P54VT25 Service Manual

12.10. A-Board (6/20) Schematic Diagram

! A-BOARD TXN/A1LWUUS (6/20)
!
TU8300
ENG36F12KF
TUNER
NC
R8385
1
0
BB
2
RF-AGC_Monitor
C8354
3 10u
10V
NC
5
BT_Monitor
6
NC
8 C8307 C8310 C8313
SIF-out 50V 16V 10V R8386
1000p 0.1u 10u 0
9
VB
10
Video-out
11
R8302 47
SCL
13 C8301
50V 220p
R8303 47
SDA
14 C8302
50V 220p R8305
0
AFT-OUT
15 C8303
R8304 0
50V 220p
IF_AGC
16
R8387 0
+B
17
C8309 C8312 C8314
IFD-out1 50V 16V 10V
19
1000p 0.1u 10u
IFD-out2
20
IF_Monitor
21
R8312
C8315
50V L8303
R8309
1000p 0 G1CR39JA0020
IF_OUT_P
L8304
G1CR39JA0020
IF_OUT_N
C8316 R8310
50V 0
R8313
1000p
46 47
TUNER
R8315
220
SUB3.3V
SUB5V_TUNER
L8312
J0JGC0000070 C8328 C8330
16V 10V
0.1u
C8400 10u
6.3V
220u
R8318
FE_IF_AGC 1k
C8331
16V
0.1u 37
C8326
38
16V VDDH2
0.01u 39
SUB3.3V
C8333 AGCIF AGCRF
16V 0.1u 40
VDDL2 VSS2
L8307 41
TESTA
J0JHC0000045
R8319
42
RF_VIDEO_OUT 10k ADIRF Thermal
C8329
C8327 C8334 43
10V ADVRH Pad
16V 16V 0.1u
10u 44
0.1u C8335
ADVRL
16V 0.1u
45
FE_SCL_TU C8332 VDDA GPO0
16V 0.1u 46 CSEL1
ADINN VDDH0
FE_SDA_TU
47
ADINP
48
RF_AFT
FE_IF_AGC
C8337
C8339
16V 16V
0.1u 0.1u
R8323
X8300 25MHz 220
H0J250500079
R8328
C8336 C8338 100
50V 50V
15p 18p
C8322 C8324
50V 16V
0 1000p 0.1u
C8321
R8316
50V
470
120p
C8323
C8325
0
50V 16V
1000p 0.1u
48 49
RF_AFT
RF_AFT
TP8305
RF_V
RF_V
R8338
47k
PD_CH0CLK
PD_CH0CLK
PD_CH0DATA
PD_CH0DATA
PD_CH0PSYNC
IC8300 PD_CH0PSYNC
MN88436
PD_CH0VAL
PD_CH0VAL
FRONT END
PROCESSOR
24
R8335 PD_CH0CLK
23
SCK
22 47
VDDH1
C8341
21
SADR0 16V 0.1u
20 XRTS0
NRST
TP8302
19
GPO6
18
GPO5
17
GPO4
16
GPO3
15
GPO2
14
GPO1
13
C8342 C8343 C8344 C8345
16V 10V 10V 10V
0.1u 1u 10u 10u
PEAKS_SDA0
PEAKS_SDA0
PEAKS_SCL0
PEAKS_SCL0
SUB3.3V
3.3V
TP8310
L8311
J0JHC0000045
1.2V
SUB3.3V R8327
47k
PD_XIRQ2
L8310
PD_XIRQ2
J0JYC0000068
TP8102
XRTS0
PD_XRTS0
S
C8349 C8350
10V VIN VOUT 10V R8337
R8350
4.7u 4.7u
47k
R8352 VSS
NC ON/OFF
0
IC8303
C0DBGYY00612
FE1.2V
50 51
52
TO 8/20
TO 11/20
TO 17/20
SUB5V
R2009
0
R2015 R2007 R2010
C2120
2.2k 470 1k
50V
1000p
C2075
Q2001 R2032
16V
560
R2132 DSA200100L 0.1u
22
C2076
R2006
Q8306 16V
C2096 22
0.1u
50V DSA200100L
180p
C2077
C2092 C2091 16V
R2016 R2008
16V 0.1u
16V
4.7k 0.1u 1.2k
0.1u
C2121
16V
0.1u
TO 2,11,12/20
TO 17/20
52 53
AV IO
TO 17/20
PA_SIFINP
PA_VREFHSIF
PA_VREFLSIF
PA_SIFINN
54