Panasonic PT-60LCX64-K Service Manual page 142

PT-60LCX64-K
POWER SUPPLY BLOCK DIAGRAM
POWER C.B.A.
F801
6.3A
F1001
125V/250V L802 L803 L1001
5A 125V/250V
P804-1 AC LINE AC LINE
AC IN
P804-2 FILTER FILTER
RL801
TP1015
Q801
POWER ON(H)
<FROM IC6302 (72)>
TP1022
TP1023
TP1025
TP1013
(8V)
T801
6
4
P807
P808
FAN4
P1006-1
P1006-2
RL802
R809
THERMAL FUSE UNIT
F001
115 C (239 F)
(RUSH CURRENT PROTECTOR)
P805-1
P805-2
(+17V)
P1001-4
P1001-5
(+19V)
P1001-1
P1001-2
MAIN C.B.A.
FROM STANDBY(L)/POWER ON(H) P6002-1
SYSTEM CONTROL LAMP ON(H) P6002-2
BLOCK DIAGRAM
LAMP STATUS(ERROR) P6002-3
TP1021
T1001
D1002-1005
PR1010
AC LINE FULL-WAVE 1 10
FILTER RETIFIER
IC1001
(SWITCHING CONTROL)
11
VCC
OVER VOLTAGE
4
PROTECTION
PR1011
1 3 12
D
5 DRIVE
CONTROL TP1020
S
2 4
WF104
5 13
PR1012
6 14
Q1001-1003
PR1001 PR1013
+19V
7 15
REGULATOR
8 16
IC1005
Q1004-1006
(SHUNT REGULATOR)
+17V
9 17
REGULATOR 3
IC1002
IC1006
(FAN4 DRIVE)
FEED BACK
V-REF(2.495V)
3 REG. 5
4
PR1008 (+12V)
TP804
STANDBY POWER CIRCUIT
D803-806
3
TP803 TP810
2 FULL-WAVE
RETIFIER
1
DIGITAL TUNER POWER C.B.A.
F1201
L1201 D1201
1.6A 125V/250V
P1201-1 AC LINE FULL-WAVE
IC1201
P1201-2 FILTER RETIFIER
(SWITCHING CONTROL)
VCC
OVER VOLTAGE
4
PROTECTION
D
1
5 DRIVE
CONTROL
2
S
BALLAST C.B.A.
TP1301
VOLTAGE MULTIPLYING
L1303, DC/DC CONVERTER
P1306-1 RECTIFIER
F1301
C1309-1311 (STEP-DOWN CHOPPER SYSTEM)
P1306-2 L1301
5A/250V
AC LINE
C1305 TP1305
WF111
FILTER NOISE
P1302 REDUCTION
C1306
P1303
D1302
Q1304
TP1302
F1302
THERMAL FUSE
117 C (243 F)
Q1305
TP1306
(17V)
P1301-4
Q1301
P1301-5 TP1303
(18.5V)
WF110
P1301-1
P1301-2
Q1302
IC1303
OPTICAL
TP1304
ISOLATOR
IC1304
WF109
OPTICAL
LAMP ON(L)
ISOLATOR
P1305-1
BALLAST CONTROL
IC1302
P1305-2
OPTICAL CIRCUIT
LAMP ERROR PULSE
P1305-3
ISOLATOR
U1301(HIC)
WF103
AUDIO AMP C.B.A.
TP1004
(+16V)
P1009 P4501-1 +16V
TP1005
P1010 P4501-2
(-16V)
TP1003 P1011 P4501-3 -16V
TP1007
TP1008
TP1012
IC1004
TP1006
+9V
(+33V)
1 3
P1007-1
REG.
(+9V)
P1007-2
(+3.3V)
TP1009 P1007-6,7
(+6.5V)
P1007-5
(+5V)
P1007-4
(-5V)
P1007-8
PR1004 (+9V)
P1007-3
1
PR1005
2
DC/DC CONVERTER (STEP-DOWN CHOPPER SYSTEM)
IC1003
TP1010
18 11
TP1014
19 12
SWITCHING
20 13 PR1003
(+6.5V)
21 14
IC1007
(+17V)
6 VCC
OVER CURR. 3 PR1007 P1008-1
+5V (+12V)
LIMITER 2 5 3 P1008-2
REG. (+5V)
P1008-3
CONSTANT (+3.3V)
32 PR1006 P1008-4
VOLTAGE
TP1011
CONTROL
T1201
TP1203
(+30V)
1 11 P1203-1
PR1203 PR1201 TP1205 P1203-2
(+10V)
10 P1203-3
TP1204
TP1201
3
TP1202 9
5 8
IC1203
(SHUNT REGULATOR)
6 7
3
1
IC1202
FEED BACK
2
V-REF(2.495V)
DC/AC INVERTER
R1321
Q1306 Q1308
WATTAGE
Q1307 Q1309
WF108
4
T1301
1
INVERTER DRIVE3
INVERTER DRIVE1 D1315
C1330
INVERTER DRIVE2
WF106
Q1310
INVERTER DRIVE4
WF105
WF107
HV ON(H)
Q1310 TURNS ON WHEN
LAMP STARTS UP.
142
TUNER C.B.A.
Q7001
Q7003
IC7001
DTV POWER ON(H)
(+7.5V REGULATOR)
P7002-1 +30V Q7102,
Q7002 <FROM IC6302(70)>
P7002-2 Q7103
(+10V)
P7002-3 2 REG. 4 DRIVE
5
MAIN C.B.A.
P6003-10 P7003-10
REAR JACK C.B.A.
P3404-4,15 P3602-4,15 +5V
P3404-5,14 P3602-5,14 -5V
P3404-6,13 P3602-6,13 +9V
P3401-1 +33V
UNSW +9V
P3401-2 +9V
(STBY+9V) +5V
P3401-6,7 +3.3V
5 4
REG.
P3401-5 +6.5V
P3401-4 +5V
IC5015
P3401-8 -5V
P3401-3
+3.45V
1 3
REG.
IC6003
2
MAIN MICRO-
32
CONTROLLER
77
LCD DRIVE C.B.A.
IC2901
(+15.5V REGULATOR)
TP2906
+15.5V
(+17V)
REG.
P2901-1 2 4 SW +15.5V
(+12V)
P2901-2
(+5V)
P2901-3 1 5
(+3.3V)
P2901-4 SW +15.5V CONTROL
<FROM IC2304 (26)>
LCD ON (H)
<FROM IC2304 (51)>
IC2902
(FAN1 DRIVE)
(7.0V) PT-43LCX64, PT-50LCX64
TP2907 TP2911
(7.75V) PT-60LCX64
2 REG. 4
IC2905
1 5
(OP AMP)
FAN1 SPEED CONTROL
5
<FROM IC2503(7)>
7
6
FAN1 OH (H)
<FROM IC2304 (53)>
IC2903
(FAN2 DRIVE)
(8.0V) PT-43LCX64, PT-50LCX64
TP2908 TP2912
(8.75V) PT-60LCX64
2 REG. 4
1 5
FAN2 SPEED CONTROL
<FROM IC2304 (28)>
FAN2 OH (H)
<FROM IC2304 (55)>
IC2904
(FAN3 DRIVE)
(7.0V) PT-43LCX64, PT-50LCX64
TP2909 TP2913
(7.75V) PT-60LCX64
2 REG. 4
1 5
FAN3 SPEED CONTROL
<FROM IC2304 (30)>
FAN3 ON (H)
<FROM IC2304 (73)>
+17V
+11V
+5V
+3.3V
FAN(1,2,3) LOCK (H)
<TO IC6302 (6)>
3
LAMP STATUS SIGNAL
LAMP
LAMP ON H
(ERROR PULSE)
LAMP OFF L
2
ERROR 1 PULSE (T=128 msec)
ERROR 2 PULSE (T=96 msec)
ERROR 3 PULSE (T=64 msec)
ERROR 4 PULSE (T=32 msec)
DTV TUNER UNIT
P7007-3,4 +30V
P7007-50-53,58-61 +10V
P7007-64 +7.5V
FAN 5
(+7.5V)
P7008-1
P7008-2
+5V
IC6302
SUB MICRO-
11
CONTROLLER
56
+3.45V
+3.45V ON(H)
<FROM IC6003(6)>
TP2901
+5V
FAN 1
P2902-1
P2902-2
P2902-3
FAN2
P2903-1
P2903-2
P2903-3
FAN3
P2904-1
P2904-2
P2904-3
"2T"
POWER SUPPLY BLOCK DIAGRAM
PT-43LCX64/PT-50LCX64/PT-60LCX64