Panasonic PT-50LC13 User Manual

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

L1301

C1305

D1302

C1306

NOISE
REDUCTION

BALLAST CONTROL 
CIRCUIT

L1303,
C1309-1311

AC LINE
FILTER

L1001

F1001
5A 125V/250V

POWER ON(H)
<FROM IC6302 (72)>

F001
115 C (239 F)

F1301
5A/250V

STANDBY(L)/POWER ON(H)

FROM
SYSTEM CONTROL
BLOCK DIAGRAM

LAMP ON(H)

LAMP STATUS(ERROR)

T801

RL801

IC1005
(SHUNT REGULATOR)

IC1001
(SWITCHING CONTROL)

F1302
THERMAL FUSE
117 C (243 F)

VCC(+19V)

VCC(+17V)

THERMIST

OR

ERR

O

R 

V

O

LT

A

G

E 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

V-REF(2.495V)

FEED BACK

3

1

2

LAMP

+17V

SW +15.3V

TP2906

SW +15.3V CONTROL

LCD ON (H) 
<FROM IC2304 (51)>

+14V

FAN1 SPEED CONTROL 
<FROM IC2502(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 
(+15.3V REGULATOR)

+15.3V 
REG.

1

3

4

2

IC2902 
(FAN1 DRIVE)

IC2905 
(OP AMP)

REG.

1

3

4

2

IC2903 
(FAN2 DRIVE)

REG.

1

3

4

2

IC2904 
(FAN3 DRIVE)

REG.

1

3

2

FAN3 SPEED CONTROL 
<FROM IC2304 (30)>

4

FAN1 OH (H) 
<FROM IC2304 (53)>

+5V

TP2901

TP2907

TP2912

TP2913

(7V)

(8V)

(7V)

T1001

1

15

16

17

3

4

12

11

10

14

13

5

6

7

8

9

P804-1
P804-2

P805-1
P805-2

P1006-1
P1006-2

P1302
P1303

P1306-1
P1306-2

P1009

P1011

P1007-1
P1007-2
P1007-6,7
P1007-5
P1007-4
P1007-8
P1007-3

P1008-1
P1008-2
P1008-3
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

P1301-4
P1301-5
P1301-1

P1305-1
P1305-2
P1305-3

P1301-2

AC IN

4

2

6

1

3

RL1301

R1305
(RUSH CURRENT
 PROTECTOR)

T1301

Q1310 TURNS ON WHEN
LAMP STARTS UP.

D1315

1

4

5

2

PR1010

PR1012

PR1001

PR1013

18

19

20

21

11

12

13

14

6

PR1011

PR1004

PR1005

PR1008

(+12V)

(+6.5V)

VCC

PR1003

TP1012

PR1007

PR1006

+5V

+3.3V

7

5

6

3

5

+5V
REG.

3

1

+9V
REG.

P6002-1
P6002-2
P6002-3

4

3

1

2

OPTICAL
ISOLATOR

OPTICAL
ISOLATOR

OPTICAL
ISOLATOR

+19V
REGULATOR

+17V
REGULATOR

OVER VOLTAGE
PROTECTION

DRIVE
CONTROL

VCC

SWITCHING

OVER CURR.
LIMITER

CONSTANT
VOLTAGE 
CONTROL

3

2

32

TP1010

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

+3.45V
REG.

+5V
REG.

3

1

MAIN MICRO-
CONTROLLER

32

2

+3.45V ON(H)
<FROM IC6003(6)>

FROM
SYSTEM CONTROL
BLOCK DIAGRAM

FAN4

IC1006
(FAN4 DRIVE)

REG.

3

5

4

TP1015

TP1022

TP1023

TP1025

TP804

(8V)

TP1013

TP1021

TP1020

D

S

TP810

TP803

TP1301

TP1302

TP1301

TP1303

TP1304

77

SUB MICRO-
CONTROLLER

11

56

5

4

P6003-11

P7003-11

+33V

P6003-10

P7003-10

+5V

P3602-4,15

+5V

P3602-5,14

-5V

P3404-4,15
P3404-5,14

P3602-6,13

+9V

P3404-6,13