Inverter Schematic Diagram - Philips 32PFL3506/F7 Service Manual

Inverter Schematic Diagram

NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
HOT CIRCUIT. BE CAREFUL.
CN1900
(NO CONNECTION)
GND 1
+B 2
T1950
POWER TRANS
TO POWER SUPPLY
CN1901
CBA CN602
+B 1 2
NU 2
R1950 R1940
C1910
HOT-GND 3 OPEN OPEN
270
HOT+15V 4 /200V
4 3
R1951 R1941
OPEN OPEN
R1952 R1942
4
BC1930
OPEN OPEN
BEAD
BC1931
BEAD
5
R1938
82K
7
C1932
0.056
/100V
8
R1934A R1934
OPEN 120
R1933A R1933
OPEN 120
R1949
150K R1932A R1932
OPEN 120
D1931
5V6BSB-T26 R1936 R1936A
180 OPEN
R1935
R1935A
1.5K
OPEN IC1930
D1932 TLP781F
(FEEDBACK)
Q1932 12.1
2SC2120-O
C1934
3
(SWITCHING)
OPEN
6.0
0.4 0.4
0
163.6 Q1930 IC1931
TK7A50D
TLP781F
D
(SWITCHING)
(ISOLATOR)
C1930
G
0.2
680P
/2KV 0.2
S
5.9
0
C1931 D1930
1800P 27BSB-T26
R1930 R1930A
47 OPEN
6.0
0.2
0
R1931 R1931A
Q1931 47K OPEN
C1905
KTC3198-Y-AT/P
1000P/250V
(SWITCHING)
C1906
D1933
OPEN
C1933
D1934 R1937 R1939A R1939
0.1
1ZB36BB 0.39/2W OPEN 2.2K
HOT
2
TO POWER SUPPLY
COLD
CBA CN201 CN1001
GND 15
INV+13V(NU) 14
GND 13
BACKLIGHT-ADJ 12
BACKLIGHT-SW 11
PROTECT3 10
GND 9
LCD+13V 8
LCD+13V 7
VGH 6
GND 5
P-ON+3.3V 4
LCD-5V 3
VCOM 2
GND 1
TO LCD MODULE
ASSEMBLY CN1003
0
GND 1
12.9 R1306
LCD+13V 2
10K
12.9
LCD+13V 3
1
C1311
29.0
C1935
VGH 4 1000P
OPEN
0 C1936
GND 5
OPEN
3.4
P-ON+3.3V 6
3.4
P-ON+3.3V 7
-5.1
C1937
LCD-5V 8
3.3
OPEN
0
C1938
GND 9 0
OPEN
5.3
VCOM 10
0 Q1202
0
C1939 KTC3875S-Y-RTK/P
GND 11
OPEN
(SWITCHING)
A
BC1301
J1037 J1044 J1027
WIRE OPEN OPEN OPEN
10
C1990
820P/2KV
11
C1304
D1990 C1993 C1994
D1994 220/35V
SB3150BH 2200 2200
1ZB30BB
/35V /35V
D1991
SB3150BH
R1972 R1305
22K 510/2W
D1992
SB3150BH
R1973
3.3K
14
R1977
20K
R1967 R1967A
3.9K OPEN
D1973
C1970
2200P
15
Q1970
KTC3875S-Y-RTK/P
(SWITCHING)
22.5
D1960
6.3
OPEN
5.6 R1979
D1961 D1972
6.8K
OPEN OPEN
R1980
D1970
180
5V6BSB-T26
R1970A
OPEN
R1970
220
23.6
Q1300
D1971
2SA1576UBTLQ
33BSB-T26
(SW+10.5V)
22.5
17.0
R1981
0
Q1971 R1309
Q1972
KTC3875S-Y-RTK/P KTC3875S-Y-RTK/P 10K
(SWITCHING) (SWITCHING)
3.3
1.1 R1986 R1988
R1982
1K 1K
0 0
1.5K
1.1
0 R1987 0
C1982 C1983
OPEN
0.47/50V OPEN
C1981
0.01
0
R1220
OPEN
IC1200
BD9244AFV
(PWM CONTROL)
D1201
0
1
1.0
2
27.0
3
25.1
C1208
4
0.47
20.5
5
10.6
6 VCC
C1206 C1201
10/50V 0.1 4.0
7 STB
R1205 R1204
560K 75K
1.5
8
C1213
0.01
Q1303
9 OSC
2SA1576UBTLQ
(SWITCHING) R1202
0
130K
10 GND
10.6 8.0 R1213 R1214
4.7K 0
0
R1203
R1304 11
8.2K
R1307 4.7K
8.6
DUTY
1K
3.1
12
R1303
C1301
4.7K 1000P R1209 C1207
R1308
1000P
4.7K
4.7K
0
Q1301
0.7
KTC3875S
-Y-RTK/P R1201
R1310
68K
0 (SWITCHING)
22K
3.1
R1215 R1212
10K 10K
0.1
Q1201
KTC3875S-Y-RTK/P
C1211 R1208
0 (SWITCHING)
OPEN 22K
R1206
10K D1203
R1207 C1200 C1212 R1200
33K OPEN 0.47 68K
B C
INVERTER CBA
C1700 C1701
C1305 R1301
2200/35V 2200/35V
0.1 47K
23.8
R1302
D1700
51K R1700
100
25.2 G
D1701 C1703 R1701 20.9
R1300 15BSB-T26 1000P 10K
C1300
10K 0.1
R1222
10
20.9
D1702
R1702
100 0.7 G
D1703 C1704 R1703
15BSB-T26 1000P 10K
D1704
R1705
100
D1705
15BSB-T26
R1223
10
10.6
C1302
C1303
D1706
10/50V
11.0 0.1 R1707
100
D1707
15BSB-T26
D1300
5V6BSB-T26
D1301
5V6BSB-T26
J1002
J1091
D1200 D1202
OPEN
R1216 R1221 JS1200
100 1
1.0
24
7.6
REG 23 Q1203
OPEN
C1204 C1205
27.0 0.1 2.2 (SWITCHING)
22 R1227
OUTPUT 7.6
OPEN
5.1
25.1
C1209
21
0.47
R1228
0
OPEN
20.6
20
5.1
R1225
2.2 0.2
OPEN
VLO 19
LOGIC
J1001
0 Q1204
1.2 OPEN
18 OPEN
PWM
(SWITCHING)
0.8
17
FEED
R1226
BACK 1.3
OPEN
16
C1203
6800P
0.6
15
C1202
0
14 6800P
PROTECT
0
13
C1210
0.47
C1214
OPEN
D
10-7
C1104
C1702 10P/6.3KV
1
D Q1700 C1105
TK50P04M1 330P
(SWITCHING) T1100
INVERTER
S
R1143 OPEN
TRANS
C1100 2.2 R1103 470
2 8
R1704
C1101 2.2
4.7/1W 4 7
R1146 OPEN
C1705
1 6
C1102 2.2
0.022
R1106 470
3 5
C1103 2.2
D Q1701
TK50P04M1
C1116 2.2
C1107
C1106
(SWITCHING)
330P
10P/6.3KV
0 S C1117 2.2
23.8
D Q1702
TK50P04M1
24.8 G
(SWITCHING)
C1108
S 10P/6.3KV
C1706 R1706 20.5
1000P 10K
C1109
330P
T1101
R1709
INVERTER
4.7/1W
TRANS R1145 OPEN
C1708
20.5
D Q1703 R1115 470
0.022
TK50P04M1 2 8
0.7 G (SWITCHING)
4 7
S
C1707 R1708 0 R1148 OPEN
1000P 10K 1 6
R1118 470
3 5
C1111
C1110
330P
10P/6.3KV
R1501 100K
D1500 R1502 100K
DAN202U
R1503 100K
R1504 100K
R1505 100K
C1112
10P/6.3KV
D1501 R1506 100K
DAN202U
C1113
R1507 100K
330P
T1102
R1508 100K
INVERTER
R1147 OPEN
TRANS
R1509 100K
R1127 470
D1502 R1510 100K 2 8
R1229 DAN202U
0
4 7
R1511 100K
R1150 OPEN
1 6
C1500 R1500 R1512 100K
0.01 1M
R1130 470
3 5
C1114 C1115
330P
10P/6.3KV
C1501
1000P
R1515
27K
C1502
OPEN
E F
CN1100
1
BACK
LIGHT
2
D1503
R1100 R1101
DAN202U
39K 0
C1118
R1102
330P
2.2K
R1104 R1105
100 13
D1506
DAN202U
R1107 R1108
100 13
R1109 R1110
39K 0
C1119
R1111
330P
2.2K
CN1101
1
BACK
LIGHT
D1504 2
R1112 R1113
DAN202U
39K 0
C1120
R1114
330P
2.2K
R1116 R1117
100 13
D1507
DAN202U
R1119 R1120
100 13
R1121 R1122
39K 0
C1121
R1123
330P
2.2K
CN1102
1
BACK
LIGHT
2
D1505
R1124 R1125
DAN202U
39K 0
C1122
R1126
330P
2.2K
R1128 R1129
100 13
D1508
DAN202U
LCD
R1131 R1132
MODULE
100 13
ASSEMBLY
R1133 R1134
39K 0
C1123 R1135
330P
2.2K
R1513
1M
R1516
0
R1514
39K
UNLESS OTHERWISE SPECIFIED:
DIODES ARE 1SS133.
G
PL11.0SCINV