Panasonic PT52LCX66 - MULTI MEDIA DISPLAY Service Manual page 52

PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16
POWER SUPPLY BLOCK DIAGRAM (1/2)
POWER P.C.B.
F1001
L1001 L1002 D1001
6.3A 250V
CN1001-1 AC LINE AC LINE FULL-WAVE
AC IN
CN1001-2 FILTER FILTER RETIFIER
R1005
RUSH
CURRENT
PROTECTOR
RL1902 RL1903
SUB MAIN
RELAY RELAY
IC1002,IC1003,
IC1406,IC1407
AC
VOLTAGE
DETECT
IC1933,IC1934,
IC1935
LOGIC
R1324 +9V
P2
7 8 12 11 10 6 1 2 13
7 8 12 11 10 6 1 2 13
POWER
CONTROL
CIRCUIT 1
IC1404,Q1802
D1807
OVER
VOLTAGE
DET.
T1401
PFC (POWER FACTOR CORRECTION)
D1805, TP1806
D1808
T1801 PR1305
(+400VDC)
Q1801,Q1804 Q1303
PR1304
SW
C1810
Q1508 MAIN POWER
(SWITCHING
IC1831 TP1804 TRANSFORMER)
Q1304
Q1904
SWITCHING
CONTROL
IC1901, Q1509
SW
Q1903
T1405 CURRENT
PR1301
T1302
SENSOR PR1302
DRIVE
TRANS.
TRANS.
OVER CURRENT DET.
F1002
T1901
L1003 D1937
1.6A 250V
AC LINE FULL-WAVE
C1939
FILTER RETIFIER
SUB POWER
(SWITCHING
IC1931
TRANSFORMER)
SWITCHING
CONTROL
IC1401 IC1932
FEED BACK
IC1906 IC1937
REG.
(Do not turn VR's!!)
DC-AC INVERTER
28
INVERTER DRIVE 1
INVERTER DRIVE 3
25
INVERTER DRIVE 2
INVERTER DRIVE 4
POWER CONTROL 1 ON (H)
18
31
34
POWER CONTROL 1 ON (H) 5
PFC OVER VOLTAGE DETECT (L) 20
SUB RELAY ON (L) 6
MAIN RELAY ON (L)
7
AC STOP (H) 2
PFC ON (H) 19
PWM CONTROL FOR LAMP POWER 41
POWER
GND 38
CONTROL
GND 12
CIRCUIT 2
GND 11
-12V
10
+12V
15
GND TP1544
WATTAGE TP1542
+7.5V 3
+7.5V 4
WATTAGE 23
WATTAGE 24
AC STOP (L) 1
LAMP ON DETECT (H) 21
IGNITER ON (H) 17
AC SW ON (H) 8
LAMP ON (H) 16
LAMP STATUS (OFF(L)) 13
IC1409
-12V
-12V REG.
IC1408
+12V
+12V REG.
TP1909
DT +30V
R1330
DRV +17V
DT +9V
Q1401,Q1402,T1402,
TP1311
D1403,D1405,D1406,C1509
+200V DC-DC CONVERTER
FOR 100W CONTROL
C1310
C1311
AMP+18V
STBY+7V
TP1905
Q1305
STBY+12V
OVER
CURRENT
STBY+15V
DET.
ERROR
OVER
VOLTAGE DET.
VOLTAGE
DET.
CN1401
28
25
18
31
34
5
20
6
7
2
19
41
38
12
11
10
15
R1951
3
4
R1703
23
24
(Do not turn VR's!!)
1
21
17
8
16
Q1602
13
52
TP1301
TP1907
TP1911 TP1910 TP1901 TP1908
STBY +7V
CN1514-1 STBY +7V
DT +30V
CN1514-5 DT +30V
DRV +17V
CN1514-6 DRV +17V
DT +9V
CN1514-(7-9) DT +9V
AC STOP(L)
DRIVE CN1514-2 AC STOP(L)
AC SW ON(H)
Q1601 CN1514-3 AC SW ON(H)
TP1501
CN1520-1
CN1520-2
TEMP FUSE
TP1502 117 C(243 F)
(ON THE LAMP
HOUSE UNIT)
TP1914
AMP+18V
CN1516-2 AMP+18V
TP1401
TP1402
Q1503,
Q1506,
ETC
NOISE
REDUCTION
L1501 L1502
4 3
T1501
TP1803 TP1802 Q1507
Q1510 1 2
D1506
R1511,
D1505
R1512
C1507
Q1505
TP1503
CN1522-1 LAMP ON (H)
LAMP ON(L)/OFF(H)
CN1522-3 LAMP STATUS
TP1504
POWER SUPPLY BLOCK DIAGRAM (1/2)
PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16
CONTINUE
POWER SUPPLY
BLOCK DIAGRAM(2/2
(CN6000)
CONTINUE
POWER SUPPLY
BLOCK DIAGRAM(2/2)
(CN4501)
LAMP
TO/FROM
SYSTEM CONTROL
BLOCK DIAGRAM
(CN6002)