Panasonic PT43LCX64 - MMD DIGITAL TUNER, Руководство по обслуживанию, Страница: 80 / 117

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