A-Board (5/18) Schematic Diagram - Panasonic TC-P54G20 Service Manual

12.9. A-Board (5/18) Schematic Diagram

A-BOARD (5/18)
!
TXN/A1MHUUS (TC-P54G20)
TXN/A1LUUUS (TC-P54G25)
!
TU8300
ENG36F12KF
TUNER
NC
1
R8385
BB
2 P
RF-AGC_Monitor
C8354
3 10u
10V
NC
5
BT_Monitor
6
NC
C8307 C8310 C8313
8
SIF-out 50V 16V 10V
1000p 0.1u 10u R8386
9
P
VB
10
Video-out
11
R8302 47
SCL
13
C8301
50V 220p R8303 47
SDA
14 C8302
50V 220p R8305
AFT-OUT
15 S
C8303
50V 220p
IF_AGC
S
16 C8312
16V 0.1u R8304
+B
17 C8309 C8314 P
50V 10V R8387
1000p 10u
IFD-out1
19
IFD-out2
20
IF_Monitor
21
C8315
50V L8303
R8309
IF_OUT_P 1000p 0 G1CR39JA0020
G1CR39JA0020
IF_OUT_N
C8316 R8310
0
50V
1000p
37 38
TUNER
R8315
220
SUB3.3V
L8308
SUB5V_TUNER J0JHC0000045
L8312 C8328
C8330
J0JGC0000070
16V 10V
0.1u 10u
C8400
6.3V
220u
FE_IF_AGC
C8331
R8318 16V
0.1u 37
1k
C8326
38
16V VDDH2
0.01u 39
C8333
SUB3.3V AGCIF
16V 0.1u 40
VDDL2
L8307 41
R8319
J0JHC0000045 TESTA
10k 42
RF_VIDEO_OUT ADIRF
C8329
C8327 C8334 43
10V ADVRH
16V 16V 0.1u
10u
0.1u C8335 44
ADVRL
16V 0.1u
45
FE_SCL_TU C8332 VDDA
16V 0.1u 46
ADINN VDDH0
FE_SDA_TU
47
ADINP
48
RF_AFT
FE_IF_AGC
C8337 C8339
16V
0.1u
X8300
H0J250500079
25MHz
C8336
C8338
50V 50V
15p 18p
C8322 C8324
50V 16V
R8312
0 1000p 0.1u
C8321
R8316
50V
L8304 470
120p
R8313
C8323 C8325
0
50V 16V
1000p 0.1u
39 40
RF_AFT
TP8305
RF_V
R8338
47k
PD_CH0CLK
PD_CH0DATA
PD_CH0PSYNC
IC8300 PD_CH0VAL
MN88436
FRONT END
PROCESSOR
24
R8335
23 PD_CH0CLK
SCK
22 47
VDDH1 C8341
AGCRF
21
VSS2 SADR0 16V 0.1u
20 XRTS0
NRST
TP8302
19
Thermal GPO6
18
Pad GPO5
17
GPO4
16
GPO0 GPO3
CSEL1 15
GPO2
14
GPO1
13
C8342 C8343 C8344 C8345
16V 10V 10V 10V
0.1u 1u 10u 10u
PEAKS_SDA0
PEAKS_SCL0
16V
0.1u SUB3.3V
TP8310
3.3V L8311
J0JHC0000045
1.2V
SUB3.3V
R8327
L8310
47k
J0JYC0000068 PD_XIRQ2
TP8102
C8349 C8350
10V VIN VOUT 10V
R8337
4.7u 4.7u XRTS0
S
VSS
NC ON/OFF
R8350
47k
IC8303
C0DBGYY00612
FE1.2V
41 42
51
RF_AFT TO 7/18
RF_V TO 10/18
PD_CH0CLK
PD_CH0DATA
TO 15/18
PD_CH0PSYNC
SUB5V
PD_CH0VAL
R2009
R2010
C2120
1k
R2015 50V
2.2k R2007 1000p
470
R2032
560 C2075
C2096 Q2001 C2076
16V
50V 16V
R2132 B1ADCE000022 0.1u
180p 0.1u
22
Q8306
B1ADCE000022
R2006
C2092 C2077
22
R2016 16V
16V
4.7k 0.1u C2091 0.1u C2121
R2008
16V 16V
1.2k
0.1u 0.1u
PEAKS_SDA0
TO 2,10,11/18
PEAKS_SCL0
PD_XIRQ2
TO 15/18
PD_XRTS0
43 44
AV IO TO 15/18
PA_SIFINP
PA_VREFHSIF
PA_VREFLSIF
PA_SIFINN
45