Panasonic PT-50LC13 Power Supply Block Diagram, Power C.B.A Audio AMP C.B.A, Ballast C.B.A

POWER SUPPLY BLOCK DIAGRAM

POWER C.B.A. AUDIO AMP C.B.A. TUNER C.B.A.

AC IN

F801

F1001

TP1021

T1001

TP1004

L802

L803

L1001

D1002-1005

PR1010

6.3A 125V/250V

5A 125V/250V

P804-1

AC LINE

AC LINE

AC LINE

FULL-WAVE

1

10

TP1005

P1009

P804-2

FILTER

FILTER

FILTER

RETIFIER

IC1001

(SWITCHING CONTROL)

11

P1010

VCC OVER VOLTAGE

4

TP1003

PROTECTION

PR1011

RL801

P1011

1

3

12

5

DRIVE

D

TP1015

CONTROL

S 2

TP1020

TP1007

Q801

4

POWER ON(H)

TP1008

<FROM IC6302 (72)>

5

13

P1007-1

TP1022

TP1009

P1007-2

PR1012

P1007-6,7

6

14

IC1004

P1007-5

TP1023

Q1001-1003

PR1001

PR1013

TP1006

P1007-4

+19V

+9V

P1007-8

7

15

1

3

P1007-3

REGULATOR

REG.

PR1004

8

16

TP1025

Q1004-1006

PR1005

+17V

9

17

REGULATOR

IC1002

IC1005

(SHUNT REGULATOR)

FEED BACK

TP1012

3

1

P1008-1

V-REF(2.495V)

P1008-2

P1008-3

2

DC/DC CONVERTER (STEP-DOWN CHOPPER SYSTEM)

P1008-4

IC1006

TP1013

(FAN4 DRIVE)

PR1008

IC1003

PR1003

TP1010

(8V)

REG.

(+12V)

(+6.5V)

3

5

18

11

IC1007

19

SWITCHING

12

4

20

13

PR1007

TP1014

+5V

21

14

5

3

REG.

OVER CURR.

3

PR1006

TP1011

6

VCC

LIMITER

2

STANDBY POWER CIRCUIT

CONSTANT

T801

32

VOLTAGE

D803-806

TP803

TP810

CONTROL

6

3

TP804

2

FULL-WAVE

4

1

RETIFIER

FAN4

P1006-1

P1006-2

		P6003-11	P7003-11	+33V
		P6003-10	P7003-10	+5V
P4501-1	+16V		REAR JACK C.B.A.
P4501-2		P3404-4,15	P3602-4,15	+5V
		P3404-5,14	P3602-5,14	-5V
P4501-3	-16V	P3404-6,13	P3602-6,13	+9V

MAIN C.B.A.
P3401-1					+33V	IC6304			IC6302
						UNSW +9V
P3401-2					+9V	(STBY+9V)	+5V			SUB MICRO-
P3401-6,7					+3.3V	5	REG.	4	11
P3401-5					+6.5V				56	CONTROLLER
P3401-4					+5V
P3401-8					-5V	IC5015
P3401-3
IC6003						1	+3.45V	3	+3.45V
							REG.
32	MAIN MICRO-						2
77	CONTROLLER								+3.45V ON(H)
									<FROM IC6003(6)>
LCD DRIVE C.B.A.
	IC2901
	(+15.3V REGULATOR)					TP2906		TP2901
		+15.3V
P2901-1	1	REG.		3			SW +15.3V
P2901-2
P2901-3		2	4							FROM
P2901-4							SW +15.3V CONTROL			SYSTEM CONTROL
										BLOCK DIAGRAM
							LCD ON (H)
	IC2902						<FROM IC2304 (51)>			+5V
	(FAN1 DRIVE)					TP2907
							(7V)			FAN 1
	1	REG.		3						P2902-1
					IC2905					P2902-2
		2	4							P2902-3
					(OP AMP)
						5	FAN1 SPEED CONTROL
					7		<FROM IC2502(7)>
						6
							FAN1 OH (H)
	IC2903						<FROM IC2304 (53)>
	(FAN2 DRIVE)					TP2912
										FAN2
							(8V)
	1		REG.	3						P2903-1
										P2903-2
		2	4				FAN2 SPEED CONTROL			P2903-3
							<FROM IC2304 (28)>
							FAN2 OH (H)
							<FROM IC2304 (55)>
	IC2904
	(FAN3 DRIVE)					TP2913

THERMAL FUSE UNIT

F001

115C (239F)

P805-1

P805-2

P1001-4

P1001-5

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

BALLAST C.B.A.

R1305

(RUSH CURRENT PROTECTOR)

P1306-1	F1301	L1301
P1306-2
	5A/250V

AC LINE

FILTER

P1302

P1303

RL1301

P1301-4
P1301-5
P1301-1
P1301-2
	IC1303
	OPTICAL
	ISOLATOR
	IC1304
	OPTICAL
	ISOLATOR
P1305-1	IC1302
P1305-2
	OPTICAL
P1305-3
	ISOLATOR

	TP1301
VOLTAGE MULTIPLYING		L1303,				DC/DC CONVERTER
RECTIFIER
		C1309-1311				(STEP-DOWN CHOPPER SYSTEM)
	C1305		NOISE			TP1301
						Q1304
	C1306		REDUCTION
D1302
			TP1302
					Q1303
			F1302
			THERMAL FUSE
			117 C (243 F)
						Q1305
Q1301
	Q1302	TP1303
			VCC(+19V)	VCC(+17V)	THERMISTOR	PWMCONTROL	CURRENTERRORDET	LAMP GND	VOLTAGEERRORDET
	TP1304
			LAMP ON(L)
						BALLAST CONTROL
			LAMP ERROR PULSE			CIRCUIT

DC/AC INVERTER

Q1306	Q1308
Q1307	Q1309

	T1301	4	3
INVERTER DRIVE3		1	2
INVERTER DRIVE1	D1315
INVERTER DRIVE2		Q1310
INVERTER DRIVE4
HV ON(H)	Q1310 TURNS ON WHEN
	LAMP STARTS UP.

			(7V)	FAN3
1	REG.	3		P2904-1
				P2904-2
2	4		FAN3 SPEED CONTROL	P2904-3
			<FROM IC2304 (30)>
			FAN3 ON (H)
			<FROM IC2304 (73)>
			+17V
			+14V
			+5V
			+3.3V
			FAN(1,2,3) LOCK (H)
			<TO IC6302 (6)>

	LAMP STATUS	SIGNAL
LAMP
	LAMP ON	H	(ERROR PULSE)
	LAMP OFF	L
	ERROR 1	PULSE (T=128 msec)
	ERROR 2	PULSE (T=96 msec)
	ERROR 3	PULSE (T=64 msec)
				"2T"
	ERROR 4	PULSE (T=32 msec)

POWER SUPPLY BLOCK DIAGRAM

PT-50LC13