Panasonic TH-37PA20A, Service Manual

Page: 504 / 600

14.20. DG-Board (6 of 8) Schematic Diagram
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OSDB
OSDYS
OSDG
OSDR
COR
B_OUT
GUARD_B
G_OUT
GUARD_G
R_OUT GUARD_R
AAE_GOUT
AAE_BOUT
AAE_ROUT
9V
AJ_CONTRAST
AJ_RDV
AJ_BDV
SW9V
HPO
B_DRV
G_DRV
R_DRV
AAD_GOUT
AAD_ROUT
AAD_BOUT
9V
NCLP
VPO
HPO
H_SYNC
R_DRV
B_DRV
G_DRV
PC_H
AAD_ROUT
AAD_GOUT
AAD_BOUT
FREERUN
AVPC_SEL
V_MUTE
PANEL_SCL3 PANEL_SDA3
5V
5V
5V
AAE_ROUT
AAE_GOUT
H_CLP
AGC1
AAE_BOUT
PC_R
PC_G
PC_B
PC_G_GND
12V
PC_B_GND
V_SYNC
PC_V
PC_R_GND
MAIN3.3V
STB5.0V
MAIN9V
MAIN9V
MAIN12V
12V
MAIN5V
MAIN5V
C1854
16V
47u
R1747 0
IC8002
C0JBAR000241
1
Y0
2
Y2
3
Y
4
Y3
5
Y1
6
INH
7
VEE
8
VSS
9
B
10
A
11
X3
12
X0
13
X
14
X1
15
X2
16
VDD
R1901 0
R1889
2.2k
JS105
C1365
16V
0.01u
R1469
33k
C1369
6.3V
1u
L1852
ELJPA100KF
IC8009
C0JBAS000109
1 2 3 4
5
6 7 8
R1743
22
C1733
16V 0.1u
R1683
390
Q1602
2SD0601A0L
R1934
100
Q1600
2SD0601A0L
L1856
ELJPA100KF
C1467
50V
82p
JS104
R1563
10k
D1857
MA2J11100L
R1870
22
JS062
C1877
16V
0.1u
D1488
MA3X152K0L
JS090
C1863
16V 0.1u
C1928
50V 100p
C1866
16V
0.1u
R1990
100
R1737
10k
JS056
R1459
33k
R1973
1k
C1865
16V
0.1u
C1891
10V
1u
C1931
6.3V
10u
C1927
50V
1000p
1%
R1904
820
R1907 0
R1748 0
C1483
10V
1u
R1946
2.2k
R1731
10k
C1898
16V
47u
C1464
16V
47u
1%
R1899
3.3k
R1851
0
TP1850
IC1325
C0CBCBD00008
1
Vcont
2
GND
3
Np
5
Vin
4
Vout
C1953
6.3V
10u
R1461
4.7k
R1959
100
DG30
1
2
3
4
5
6
7
8
9
10
C1900
50V
0.1u
R1741
22
C1869
50V
0.1u
R1734
330
R1739
10k
R1688
120
R1443
10k
R1854
100
R1872
10k
R1963
33
R1858 330
R1992
1k
1%
R1909
4.7k
C1362
10V
1u
R1435
10k
R1850
0
R1472
3.3k
IC1309
AN15935A-VF
1
YM_in
2
YS_in
3
OSD-Bin
4
OSD-Gin
5
OSD-Rin
6
Spot_Killer_in
7
Bout
8
Bright_S/H
9
Gout
10
Output_Vcc9V
11
Rout
12
Vcc9V
13
Rin
14
Cutoff-R
15
Gin
16
Cutoff-G
17
Bin
18
Cutoff-B
19
BLKin
20
CLPin
21
DRIVE-R
22
DRIVE-B
23
CONTRAST
24
GND
R1974
1k
C1883
16V
0.1u
R1967
1.5k
R1993
1k
C1935
10V
1u
C1615
16V
0.1u
JS103
C1325
50V
0.01u
C1932
50V
1000p
C1878
6.3V
10u
C1894
50V
0.01u
C1370
10V
1u
1%
R1937
4.7k
JS058
1%
R1969
75
C1934
16V
47u
1%
R1968
75
Q1359
MSB709-T1
C1895
50V
0.1u
D1490
MA2J11100L
1%
R1954
75
JS091
R1857
0
R1994
1k
R1852
10k
R1869
10k
C1886
16V
2.2u
R1938
18k
R1687
120
R1861 0
C1457
50V
0.01u
C1899
50V
0.1u
C1890
50V
0.01u
D1858
MA2J11100L D1853
MAZ31500ML
D1855
MAZ31500ML
R1862 0
R1936
100
C1888
16V 4.7u
C1937
470u 10V
R1971
1.5k
C1489
10V
1u
C1479
10V
1u
R1884
100
R1685
390
R1859 330
C1730
16V
0.1u
R1972
1k
C1AB00001720
IC3251
1
GINA/UINA
2
GSG1
3
GINB/UINB
4
NC
5
BINA/VINA
6
GSB1
7
BINB/VINB
8
NC
9
DISABLE
10
GND3
11
BOUT/VOUT
12
VCC3
13
GND2
14
GOUT/UOUT
15
VCC2
16
GND1
17
ROUT/YOUT
18
VCC1
19
GND4
20
RFC
21
VFC
22
MUXSEL
23
SYNCIN
24
VCC4
25
RINA/YINA
26
GSR1
27
RINB/YINB
28
NC
R1888
100
IC8006
C0JBAB000417
1
2
3
4
5
6
7 8
9
10
11
12
13
14
R1890
3.3k
R1966
1.5k
R1905 0
R1860 330
C1476
16V 0.1u
R1446
10k
R1943
0
R1875
0
R1464
10k
R1732
10k
R1877
10k
R1439
10k
C1933
10V
1u
C1881
16V
0.1u
R1868
10k
JS1850
R1863
0
C1884
16V
0.1u
R1947
2.2k
C1468
16V
0.1u
C1466
16V
0.1u
R1742
22
AN78L09M-E1
IC1323
IN
3
2
COMMON
OUT
1
D1851
MAZ31100ML
R1886
3.3k
C1893
50V
0.01u
C1939
470u
10V
R1684
390
L1855
ELJPA100KF
TP1851
IC3517
C0JBAS000109
1
2
3
4 5
6
7
8
IC3003
C1AB00000441
1
SW1
2
SW0
3
DAC4
4
DAC3
5
DAC2
6
DAC1
7
DAC0
8
GND
9
SW2
10
SW3
11
SAD0
12
SAD1
13
SAD2
14
SDA
15
SCL
16
Vcc
L1600
ELJPA100KF
R1856
0
C1324
33u
25V
C1951
6.3V
10u
R1908
0
D1852
MAZ31100ML
R1942
100
R1647
270
R1729
10k
D1300
MA3X152K0L
B0ACCJ000016
R1975
5.6k
R1906
0
IC8008
C0JBAR000111
1 2 3 45
6 7 8
R1867
10k
C1363
50V
0.01u
R1562
10k
R1955
100
R1853
0
R1650
270
R1885
10
Q1601
2SD0601A0L
IC3699
C3EBDC000046
1
2
3
4 5
6
7
8
C1482
10V
1u
R1896
100
D1854
MAZ31500ML
R1883
270
R1944
1k
IC8004
C1AA00000395
H.State
1
2
V.State
3
Green Sep Filter
4
Green IN
5
GND
6
Comp/H IN
7
Comp/H Det
8
Vert IN
9
Vert Det
10
Vert S/S Adj
11
Vert S/S IN
12
Digital GND
13
VD+OUT
14
HD+OUT
15
HD-OUT
16
Vcc
17
Clamp OUT
18
H.Pol.
19
V.Pol.
20
Clamp Timing
R1956
100
R1878
330
C1889
6.3V
10u
R1728
10k
R1855
10k
R1887
3.3k
L1854
ELJPA100KF
C1897
50V 0.1u
R1871
22
R1468
33k
R1447
0
TP1852
JS089
R1745
47k
C1AB00000454
IC3004
1
SW1
2
SW0
3
DAC4
4
DAC3
5
DAC2
6
DAC1
7
DAC0
8
GND
9
SW2
10
SW3
11
SAD0
12
SAD1
13
SAD2
14
SDA
15
SCL
16
VCC
C1929
50V
0.01u
DG31
1
2
3
4
5
6
7
8
L1853
ELJPA100KF
C1876
50V
470p
Q1851
2SD0601A0L
R1746 0
R1689
120
R1964
33
R1903
100k
C1887
6.3V 10u
C1471
16V
0.1u
C1930
6.3V
10u
R1735
330
C1855
50V
0.1u
R1649
270
R1736 330
C1605
16V
47u
C1896
50V 0.1u
R1879
330
R1976
5.6k
R1706
10k
C1936
16V
1u
R1948
2.2k
R1866
10k
1%
R1902
2.2k
1%
R1893
4.7k
1%
R1882
75
C1712
50V
0.01u
D1850
MAZ31100ML
C1885
10V
1u
C1952
6.3V
10u
R1744
22
IC1329
C0JBAZ001488
C0JBAZ000280
1
2
3
4 5
6
7
8
1%
R1952
75
R1958
100
R1991
1k
1%
R1970
75
1%
R1892
1.5k
D1856
MAZ31500ML
C1892
16V
0.47u
C1938
470u
10V
C1870
50V
0.01u
R1965
100
C1368
50V
0.01u
Q1850
2SD0601A0L
R1470
82k
B OUT
G OUT
R OUT
AGC1
AGC2
R
G
B
VCC
O6
I5 O2
SW0
2-CHANNEL
M52346SP
COM INH
VEE
GND
VCC
I0
I1
SEL
DAC2
I4
O4 GND
O3
I3
I2
O1
I1
I6
DAC3
DAC0
HD
DAC1
GND
SW1
VD
DAC4
O5
MULTIPLEXER
CS(S)
FAN_CONT
LPF(S)
SYNC_INH(S)
AO
A1
A2
VSS
VCC
WP
SCL
SDA
EEPROM
STB5V
SRQ
GND
NC
NC
SCL
SDA
GND
VDD
VSS
VDD
VSS
52 48 46 51 53 47 50 49 54
RGB AMP
AVR 3.3V
SWITCHING
SWITCHING
TV/VIDEO SYNC
DAC
RGB LPF
SWITCHING
BUFFER
DAC
BUFFER
BUFFER
BUFFER
111
104
91
102
93
101
94
97
92
99
95
96
100
103
105
107
108
109
110
106
112
133
130
126
134
131
122
123
124
125
121
129
132
127
128
98
!
DG-BOARD TNPA2819 (6/8)
SWITCHING
AVR 9V
SWITCHING
TH-42PA20B/E DG-Board(6of8)Schematic Diagram TH-42PA20B/E DG-Board(6of8)Schematic Diagram
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