Panasonic TH-42PY800H Service Manual page 43

11.7. A-Board (3/16) Schematic Diagram
NO USE
A-BOARD (3/16)
!
TXN/A1RLTM(H/M/MR/MT)
TXN/A1RLTQ(MS)
AA_FE_XRST
AA_XIRQ2
IIC2
TO 1/16
*R8321
10k
*C8334 *C8330 *C8333
25V 25V 25V
0.01u 0.01u 0.01u
*C8310
20.48MHz 4V
*X8301 100u
H0J204500006
*C8312 *C8311
50V 17
50V
15p 18p
18
*C8332
25V 19
Vss Vss
0.01u
Vss
20 SADD3 Vdd
*C8331 PLLVdd SADD2 Vss
21
25V
PLLGND
0.01u 22
XTI
23
XTO
24
Vss
*R8318 25
PLLTEST
4.7k 26
OSCMODE
27
TO 13/16 AVdd Vdd MOVAL
*C8307 28
*R8354 *C8336 RFLEV MOSTRT
AGnd
100 16V 0.1u 29
25V 0.01u CLK2 Vss
IFD1
30
IFD2
31
*R8353 *C8309
*C8339 *C8338
100 32
16V 0.1u 50V 50V
22p 22p
*C8335
*R8356 25V
0.01u
0
IFAGC
*C8306
*R8329 *R8305 *R8322
50V *R8324 *R8323
47k
1000p 22k 1k *C8329
*R8308 47k 47k
10k 25V
0.01u *C8313
25V
0.01u
IIC_TUNER
TO 1/16
TH-42PY800H/M/MR/MS/MT
A-Board (3/16) Schematic Diagram
19 20
*IC8302
SUB3.3V
C0DBGFD00004
*L8301
1.8V
J0JHC0000045
*C8328
10V
1u
VIN ON/OFF
TP8301 VSS
VOUT NC
*C8327
10V
*L8304 1u
J0JHC0000045
*C8340
25V
0.01u
*C8319
25V
0.01u
R8361
64
0 CH0CLK
63
*R8325
62 68 R8362
CI_CH0CLK
MOCLK
61
*C8320 0
Vss
25V 0.01u
60
*R8301
CVdd
59
EXB2HV680JV
MDO7
58
MDO7
MDO6
57 MDO6
MDO5
56 *C8321 MDO5
Vss 25V 0.01u
55
MDO4
Vdd
54 MDO3
MDO4
53 MDO2
MDO3
52
MDO1
51 MDO0
50
49
*R8327 68 CH0VAL
*R8326 68 CH0PSYNC
*C8314
25V
0.01u
*IC8301
C1AB00002710
FRONT END
SUB3.3V
R8471
10k
IS1CLK
21 22 23 24
43
TH-42PY800H/M/MR/MS/MT A-Board (3/16) Schematic Diagram
25 26
1
2
3
27