Panasonic SBWA-920 Service manual

IC501

RSN311W64B-P

- +

- +

- +

- +

POWER HIC

POWER CONTROL

CIRCUIT

POWER CONTROL/PROTECTION CIRCUIT

FLIN(R)

CIN

SUBIN

SLIN(R)

+DI SENS

+VD

+VCC HI

+VCC LOW

FL O(R)

C O

SL O(R)

SUB O

IN GND

DISP HMUT

AC IN

IH DET

-VCC LOW

-VD

-VCC HI

-DI SENS

TO MAIN

26

22

23

18

15

20

3

6

1

8

11(12)

5

24

13

9

14

7

21

4

16

BLOCK

(25)

(19)

(2)

B

B

(JK2000) OF

D501

B

SA-HT920P/PC-S

B

B

Q506

INTERFACE

A

SWITCH

D502

Q505

SWITCHING

SL(R)

FILTER

JK501

SURROUND

SPEAKER

C

FILTER

JK501

CENTRE

SPEAKER

FILTER

SUBWOOFER

FRONTL(R)

FILTER

Q602

JK601

Q501,

B

VOLTAGE

FRONT

B

D601

SPEAKER

Q502

REGULATOR

DC_DET

SWITCH

Q601

T501

IC502

B

VOLTAGE

D508

REGULATOR

C0AABB000055

Q513,

Q552~Q557

Q603

D597

DUAL

Q514

B

FAN

SW

DC DET

VOLTAGE

LOW-NOISE

MOTOR

SWITCH

REGULATOR

TRANSFORMER

DRIVE

B

OP AMP

M

Q512

D598,D599

Q503

Q520

B

VOLTAGE

HP_CNT

INTERFACE

SWITCH

REGULATOR

SWITCH

Q511

VOLTAGE

POWER

REGULATOR

SUBAC1

SUBAC2

FL1

FL2

B

Q515,Q519

RLY501

PCONT

DCDET

SWITCH

B

B

T502

Q517

D528

JK500

VOLTAGE

SUB TRANSFORMER

Z501

AC INLET

REGULATOR

L500

Q516

SYNC

SYNC

F1

SWITCH

E500

B

B

D602

20

19

6

(21)

11

2

18

1

(3)

7

D604

FLIN(R)

DISP HMUT

-VD

-VCC HI

+VD

+VCC HI

FLIN(R)

AC IN

+VCC LOW

4

IC601

+DI SENS

13

RSN312H24-P

14

POWER HIC

-DI SENS

D603

DET

-VCC LOW

5

IH

12

SIGNAL LINES

: MAIN SIGNAL LINE

( ) Indicates Pin No. of Right Channel

Note : Signal Lines are applicable to the Left Channel only.

C0AABB000055	RSN311W64B-P			RSN312H24-P	KTC3199GRTA		B1GCCFJJ0015
							KRC102MTA
5
8
	1	..................		1			B C
4
1		26		128				E
B1BACG000009	B1ACCF000063			MA2C700A0F	2SD1859QRTV2		B0FBAM000009
B1BCCG000021	2SD0592ARA
				Ca
				Cathode
				A
E	E C
C B				Anode
	B
B0JAPG000019	B0BA6R600008				SLI325URCT31		B0EAKM000122
B0EAKM000117	B0BA5R100013							Ca
	B0BA01200008			Ca
Ca	B0BA5R700008							Cathode
	B0BA02300017
Cathode
	B0BA01100004		A	Cathode	Anode		A
A	B0BA01400009		Anode		Cathode
Anode					A	Ca	Anode
B0BA01900005	B0AACK000004

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

G

E AMPLIFIER P.C.B. (REPX0435A)

H601

/W601

10

9
8
7
6
5	J625
3
4
2
1

H602/W602

8	7	6	5	4	3	2	1	J616

R634	J675

J615

D608

D609

R635

D602

1 2 3

D610	D611	C606

J665

4

J626

J676

			J617
J677	R625	R626	C601

	J640		D601			J618	C602
		1	2	3	4					J678
J655		C605				J644			J696
										J686
						J627				C607	R623
					D604	C619	J619
					D603	R633	C609	C610	R619	J690
			J642			J643
PbF						J695				J691

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
				IC601

CN606

1	2	3
J679
C604

R624

J687

J688

J629

J628

J689

J698

C603

R621

R622

C608

D605

D606

J630

R612

J631

C612

C613

R611

R616

D607

R614

R620

C611

B

C E

J621

Q603

J620

R613

R615

R617

J656

C614

R618

Q601 B

C

E

B

C

E

Q602

		H605
R628	R627	/W605
			2
			3
	R631		1
C615		H603A
		/W603
			4
			3

J699 2

1

R632	C616
	J700

FSPEAKER INTERFACE P.C.B. (REPX0435A)

	H603B	JK601
	/W603
		4	SURROUND RIGHT
	4
	3	3	SPEAKER
	2	2
	1	1	SURROUND LEFT
	PbF		SPEAKER