Dg-Board (13 Of 14) Schematic Diagram - Panasonic TH-42PZ77U Service Manual

15.29. DG-Board (13 of 14) Schematic Diagram

SUB5V
FL8308
J0MAB0000164
1 3
2 4
C8394 C8396
10V 10V
0.1u 10u
SUB5V_TU
!
TU8300
ENGE6602KRF
TUNER
L8300
C8309
BB J0JHC0000045
6.3V
220u 1
NC
C8300
10V
2
0.1u NC
3
L_OUT RF_L
C8397 4
10V R_OUT RF_R
0.1u
5
NC
6
AGC_Monitor
C8301
7
50V 1000p BT30V
TU
C8310
C8387
8 L8301 TP8316
6.3V 220u 50V
BV J0JHC0000045
C8302 1000p
10V 0.1u 9
NC
C8303 C8388
L8302 50V
50V 0.01u 10
BTL J0JHC0000045 0.1u
C8311
35V 22u
11
C8304 SDA SDA
50V 82p
12 R8307
47
C8305 SCL SCL
50V 82p
13
R8308 47
AFT AH_RF_AFT1
C8306
50V 10p
14
NC
15
Video_OUT AH_VIDEO_OUT
16
C8312 V_Supply L8303
6.3V 220u J0JHC0000045
17
C8307 IFD_OUT1
10V 0.1u
18
IFD_OUT2
C8313
50V 1000p
19
IF_AGC
20 R8309
IF_OUT 0
0V 21
IF_OUT_P
IF_OUT_N
DG-BOARD TNPA4415S (13/14)
!
Front End
TH-42PZ77U
DG-Board (13 of 14) Schematic Diagram
109 110
SUB5V_TU
SUB3.3V
IIC 5V 3.3V
SCL AD_SCL_FE
R8335
R8330 220
Q8303
0
B1CBHD000002
Q8301
R8331
SDA 0 AD_SDA_FE 2SB0709A0L
Q8302
B1CBHD000002
AP_IF_AGC
C8327 C8330 C8335
50V
50V 16V
C8320
12p 100p 0.01u AP_FAT_P
50V
R8318
1000p
100
C8333
L8306
C8324 50V
G1CR22JA0020 C8329 47p
50V
50V
27p L8307
27p C8334 C8336
G1CR22JA0020
50V 16V
R8319 47p
C8321 0.01u
100 AP_FAT_N
50V
1000p
C8328 C8331
50V 50V
12p 100p
C8339
0.1u
C8340
10V
0.1u
C8341
10V
0.1u
C8337 C8338
50V 50V
15p 15p
X8300 AP_FAT_P
H0J250500079
25MHz
AP_FAT_N
111 112
SUB3.3V
C8342 C8350
10V 10V
0.1u 10u
1
2
3
4
OBADVRH
VDDA6 TRST
5
OBAINP N.C. N.C.
6 N.C. TDI
OBAINN
C8344
7
10V VDDA0
0.1u
8
VSSA0
9
VSSA1
10
10V VDDL0
11
VSS0
IC8302
12
STCPO
C8345 13
VDDA1
10V
MN88435
0.1u 14
VSSA2
15
LCKP
16
LCKN
C8346
17
10V VDDA2
0.1u
18
VSSA3
19
PTCPO
C8347
20
10V VDDA3
0.1u 21
VDDL1
22
VSS1
23
VDDL2 FRONT END PROCESSOR
24
XO (TERRESTRIAL RECEIVER)
25
XI
26
VSS2
R8338 12k 27
IBADIRF
1% 28
VSSA4
C8348
29
10V VDDA4
0.1u
30
VSSA5
C8349 31
VDDA5
10V IBADVRL N.C.
0.1u 32
IBAINP N.C. TEST3
33
N.C. IBADVRL2 TEST2 IBFSYNC
34
35
C8351
36
10V
C8352
0.1u
10V
0.1u
C8353
10V
0.1u
C8354
10V
0.1u
113 114
93
TP8315
RF_V
RF_V
TP8313
RF_L
RF_L
TP8314
RF_R
RF_R
AH_RF_AFT1
AG_RF_AFT1
L8319
G1CR39JA0020 to(6/14)
AD_SDA2 LiteII
AD_SDA2
AD_SCL2 to(3/14)(5/14)(14/14)
AD_SCL2
AD_TMS
SUB1.2V SUB3.3V
AD_TMS
AD_TCK
AD_TCK to(3/14)(7/14)
AD_TRST
AD_TRST
SUB3.3V TD_SPC_TO_FE
TD_SPC_TO_FE
R8864
0
FE_TO_PEAKS
R8903
47k
R8850
56
FE_IRQ
XIRQ2
FE_XRST
XECS6
(XECS6)
R8865
to(1/14)
56
108
107
106 R8379 100 FE_IRQ
LiteII
105
N.C.
104
VDDL9 C8377
10V
103
VSS15 0.1u
R8875
102
OBDRX 47k
101
OBCRX
C8378
100
VDDH5 10V CH0CLK
0.1u CH0CLK
99
VSS14 CH0PSYNC
98 R8380 47 CH0CLK CH0PSYNC
IBDO7 CH0VAL
C8379 CH0VAL
97
VDDL8 10V CH0DATA
96 0.1u CH0DATA
VSS13
R8381 CH0DATA
95 47
IBDO6
94 R8382 47 CH0VAL
IBDEN
R8383 CH0PSYNC
93 47
IBPCK
92 C8380
VDDH4
10V
91 0.1u
VSS12
90
IBDO5
89
IBDO4
C8381
88
VDDH3 10V
0.1u
87
VSS11
86
IBDO3
85
IBDO2
84 C8382
VDDL7
10V
83 0.1u
VSS10
82
IBDO1
81
IBDO0
C8383
80
VDDH2 10V
0.1u
79
VSS9
78
IBBCK
77
IBERR
76
C8384
75
10V
74 0.1u
73
LED
D8301 IBFSYNC
D8302 IBERR
TH-42PZ77U
DG-Board (13 of 14) Schematic Diagram
115 116
TH-42PZ77U
to(5/14)
SUB3.3V
to(3/14)
R8904
47k
TDI
to(1/14)
to(1/14)
(FE_XRST)
to(1/14)
117