Arcam AVR400 service manual Sbl

3 2 1

5 4

D

SL

R5428

R5403

,1000.125W

R5404

100(F)

R5414

1K(F)

R5413

C5428

22uF/100V

68(F) 0.25W

100/100V

BC856B

33(F)

C5430

Q5412

Q5403

Q5404

R5412

GND_DEC

BC856B

BC856B

1K(F)

R5430	D5430
22 0.5W(Fusible)	1N5819
		0.25W(F)	C5450
	R5436		(N.F)
		8.2K

VCC

SBL	R5603	100(F)	Q5603	Q5604	R5604	100(F)
			BC856B	BC856B

R5628 R5630 D5630

							68(F) 0.25W	22 0.5W(Fusible)	1N5819
Q5612	R5614	1K(F)	33(F)	R5613	C5628	22uF/100V	C5630	100/100V	R5636	0.25W(F)8.2K
BC856B											C5650
			R5612				GND_DEC
			1K(F)								(N.F)

VCC

D

Q5415

BC856B

Q5413

		Q5470
		NJL3281DG
R5433	Q5450	R5470
	2SC4883A

R5481 SOA_PROTECT

Q5615

BC856B

Q5613

KTA1024Y

R5633	1K(F)		Q5650
		0.25W(F)	2SC4883A

Q5670

NJL3281DG

R5670

R5681 SOA_PROTECT

				Q5401
				BC846B
SL_IN	R5401	C5402
	680(F)	100/50V
		(ELNA RFO)
	C5401	100V	R5402	22K(F)	R5405	68(F)
		Film)

KTA1024Y

Q5402

100V

R5450

56(F)

BC846B

C5415

Film)

100pF (PP

C5416

R5407

680(F)

(Metal Film)

470pF 100V

R5421

1K(F)

R5406

68(F)

R5408

0.25W

(PP Film)

R5420

27(F)

R5416

22K(F)

R5423

1K(F)

Q5431	1K(F)	R5437	8.2K0.25W(F) R5435	3.3K(F)		1.0 0.25W
BC856B
						(Fusible)
		Q5430	D5435	27V C5435	0.1uF
		BC846B
						R5438
				R5434		820(F)

Q5481 47K

MMBT5551

GND_DEC

				Q5601
				BC846B					Q5602
SBL_IN	R5601	C5602							BC846B
	680(F)	100/50V
		(ELNA RFO)							R5607	680(F)
	C5601	100V Film)	R5602	22K(F)	R5605	68(F)	R5606	68(F)

			100V
		C5615	Film)		C5616
			100pF
	Film)		(PP		470pF 100V		R5621	1K(F)
					(PP Film)
R5608	(MetalF	R5615	0.25W	R5616	22K(F)	R5623	1K(F)	THERMISTOR

Q5631	R5637		R5635	3.3K(F)
BC856B		8.2K
	Q5630		D5635	27V C5635	0.1uF
	BC846B
				R5634

1.00.25W

(Fusible)

R5638

820(F)

GND_DEC MMBT5551Q5681

47K

(PP

1000pF

					100K	Q5420
						KTC3114A
C5407	470/16V	22KF R5415	2.2K	R5422	THERMISTORNTC	C5417 10/50V

R5418	1K 1W(R) R5431	10(F)	R5432	150(F)	330(F)	10/50V	X2 5W
					C5434
							R5475
							0.22

R5482	100(F)	R5485	68K(F)	V_DET	OVERLOAD
		L5485	0.5uH	SL_OUT

1000pF (PP C5607 470/16V

22K	2.2K	R5622	100K
			NTC

R5618	1K1W(R) R5631	10(F)	R5632	150(F)	330(F)
					C5634

10/50V R5675 0.22 X2 5W

R5682	100(F)	R5685	68K(F)	V_DET
		L5685	0.5uH	SBL_OUT

OVERLOAD

C

B

A

R5620 27(F)

Q5620

KTC3114A

C5617 10/50V

GND_SIG

R5424	560(F)	VR54
		470

R5417 1K 1W(R) R5441 10(F)

R5442	150(F)	C5444	10/50V C5455	10UF/100V R5455	1000.5W
		R5444
Q5440		330(F)
BC856B					R5448

R5483	2W(R)	(CHG1A503)
		R5484	4.7 2W(R)
			Q5488	22K(F)
C5483	0.1uF/100V4.7		MMBT5551		R5490

GND_SIG

R5624	560(F)	VR56
		470

R5617	1K1W(R) R5641	10(F)	R5642	150(F)	C5644
					R5644
			Q5640		330(F)
			BC856B

10/50V C5655	10UF/100V R5655	100 0.5W
		R5648

	4.7 2W(R)	(CHG1A503)
R5683		R5684	4.7 2W(R)
C5683	0.1uF/100V

22K(F) R5690

Q5441

BC846B

			820(F)
D5445	27V C5445	0.1uF	Q5480

	R5488
GND_SL	10K(F)	100V
	.6K(F)

R5611

8.2K(F)

Q5641

BC846B

D5645 27V C5645 0.1uF

820(F)

Q5680

	R5688
GND_SBL	10K(F)	5.6K(F)		100V
	R5689		C5689

Q5688

MMBT5551

R5411

8.2K(F)

Q5410

R5410

22K(F)

R5426

12K(F)

BC846B

R5460

82(F)

KTC3206Y

Q5426

Q5409

Q5425

BC846B

C5409

10/50V

BC846B

R5409

220(F)

R5425

82(F)

C5427

22uF/100V

GND_DEC

C5429

100/100V

R5443

					NJL1302DG
		8.2K 0.25W(F) R5445			R5480
1K(F)	R5447		3.3K(F)		1.0 0.25W
				Q5460	(Fusible)
				2SA1859A
	R5446	0.25W(F)		(N.F)
		8.2K	C5460

D5480 1N4003S C5480 22uF/100V

VEE

R5489	5	C5489	0.1uF
R5486
10K(F)
R5478
1K(F)	CN54
R5476
12

1K(F)

Q5610	R5610	22K(F)
BC846B

GND_DEC

Q5609

BC846B

R5609 220(F)

C5609 10/50V

R5626	12K(F)	Q5626
		KTC3206Y
							R5660	82(F)	R5643	1K(F)
	Q5625
	BC846B
		R5625	82(F)	C5627	22uF/100V	GND_DEC	C5629	100/100V
									D5629

R5647	8.2K0.25W(F)	R5645	3.3K(F)
			Q5660
			2SA1859A
R5646	8.2K0.25W(F)		C5660

(N.F)

NJL1302DG

R5680

1.00.25W

(Fusible)

			R5686	0.1uF
			10K(F)
	1N4003S C5680	22uF/100V	R5678
D5680			1K(F)	1 2 CN56
			R5676

1K(F)

VEE

R5427 68(F) 0.25W

R5429 D5429

22 0.5W(Fusible) 1N5819

VCC

R5627	R5629
68(F) 0.25W	22 0.5W(Fusible) 1N5819

VCC

C

SR

R5528

100(F)Q5503

Q5504 R5504

22uF/100V

68(F) 0.25W

100/100V

R5503

100(F)

BC856B

R5514

1K(F)

R5512

R5513

33(F)

C5528

C5530

Q5512

BC856B

BC856B

1K(F)

GND_DEC

R5530	D5530
22 0.5W(Fusible)	1N5819
	R5536	8.2K 0.25W(F)	C5550
			(N.F)
			Q5570
			NJL3281DG

SBR

R5728 R5730 D5730

R5703	100(F)	R5704	100(F)
	Q5703	Q5704
	BC856B	BC856B

	R5714	1K(F)		R5713		C5728	22uF/100V	68(F) 0.25W	100/100V	22 0.5W(Fusible)	1N5819
Q5712			R5712		33(F)			C5730
BC856B

GND_DEC

1K(F)

R5736	8.2K0.25W(F)	C5750
		(N.F)
		Q5770

D5770 1N4003S C5770 22uF/100V

					Q5501
					BC846B
SR_IN	R5501		C5502
	680(F)	100/50V
		(ELNA RFO)
	C5501	100V		R5502	22K(F)	R5505	68(F)
		1000pF
		Film)(PP

GND_SIG

Q5502

BC846B

R5506	68(F)	R5507	680(F)
		C5507	470/16V

		Q5515
		BC856B
					Q5513
					KTA1024Y
		100V
	C5515	Film)
		100pF (PP			C5516
	Film)			470pF 100V
R5508	(MetalF22K R5515	0.25W2.2K	R5516	(PP Film)		1K(F) R5521R5522	100K THERMISTORNTC
				22K(F)	R5523
							1K(F)
					R5524	560(F)	VR55
							470

R5550 56(F)

R5520 27(F)

Q5520

KTC3114A

C5517 10/50V

Q5550

R5570

R5533

1K(F)

8.2K0.25W(F) R5535

2SC4883A

Q5531

R5537

3.3K(F)

1.0 0.25W

(Fusible)

BC856B

Q5530

D5535

27V C5535

0.1uF

BC846B

R5538

R5534

820(F)

1K 1W(R)

150(F)

330(F)

10/50V

R5575 0.22X2 5W

R5518

R5531

10(F)

R5532

R5544

C5534

R5517

1K1W(R)

R5541

10(F)

R5542

150(F)

C5544

10/50V C5555

10UF/100V R5555

100 0.5W

Q5540

330(F)

BC856B

R5548

				Q5701
				BC846B					Q5702
SBR_IN	R5701	C5702							BC846B
	680(F)	100/50V
		(ELNA RFO)							R5707	680(F)
		100V		22K(F)	R5705		R5706	68(F)
	C5701	Film)	R5702			68(F)
		(PP							C5707	470/16V
		1000pF

GND_SIG

		Q5715
		BC856B			Q5713
					KTA1024Y
		100V
	C5715	Film)
		100pF (PP			C5716
	Film)			470pF 100V		R5721	1K(F)
R5708	22K F (Metal R5715	2.2K 0.25W		(PP Film)			100K THERMISTOR
			R5716	22K(F)	R5723	1K(F) R5722
							NTC
					R5724	560(F)	VR57
							470

	R5750	56(F)				Q5731	R5733
						BC856B
R5720	27(F)
Q5720		C5717 10/50V	R5718	1W(R)1K	R5731	10(F)
KTC3114A
			R5717	1K 1W(R)	R5741	10(F)

							NJL3281DG
		8.2K0.25W(F) R5735	Q5750			R5770
			2SC4883A
1K(F)	R5737		3.3K(F)			1.0 0.25W
						(Fusible)
	Q5730	D5735
	BC846B		27V C5735	0.1uF
							R5738
			R5734				820(F)
		150(F)	330(F)		10/50V		R5775 0.22X2 5W
	R5732			C5734
	R5742	150(F)		C5744	10/50V C5755	10UF/100V R5755	100 0.5W
			R5744
Q5740			330(F)
BC856B							R5748

R5781 SOA_PROTECT

47K

GND_DEC

Q5781

MMBT5551

R5782	100(F)	R5785	68K(F)	V_DET		OVERLOAD
		L5785	0.5uH	SBR_OUT
	2W(R)	(CHG1A503)
R5783		R5784	4.7 2W(R)
					22K(F)	R5790
C5783	0.1uF/100V4.7			Q5788
				MMBT5551

R5511	8.2K(F)	Q5510	R5510	22K(F)
		BC846B

GND_DEC	Q5509
	BC846B
R5509	220(F)

C5509 10/50V

								Q5541
								BC846B
R5526	12K(F)		Q5526		R5560	82(F)		R5543	1K(F)
			KTC3206Y
	Q5525
	BC846B
	R5525	82(F)	C5527	22uF/100V	GND_DEC	C5529	100/100V
					R5527		R5529	D5529
					68(F) 0.25W		22 0.5W(Fusible)	1N5819

	D5545		27V	C5545	0.1uF
R5547	8.2K0.25W(F)	R5545	3.3K(F)	2SA1859A
				Q5560
R5546	0.25W(F)			C5560
	8.2K			(N.F)

820(F)

Q5580

NJL1302DG

R5580

1.00.25W

(Fusible)

R5581 SOA_PROTECT

	47K
	Q5581
GND_DEC	MMBT5551

D5580 1N4003S C5580 22uF/100V

R5582	100(F)	R5585	68K(F)		V_DET			OVERLOAD
		L5585	0.5uH		SR_OUT
	0.1uF/100V4.7 2W(R)	(CHG1A503)
R5583			R5584
		4.7 2W(R)					22K(F)	R5590
C5583			R5588			Q5588
						MMBT5551
GND_SR			10K(F)	6.8K(F)		0.1uF 100V
			R5589		C5589
			R5586
			10K(F)
			R5578	CN55
			1 2
			1K(F)
			R5576

1K(F)

VEE

R5711	8.2K(F)	Q5710	R5710	22K(F)
		BC846B

GND_DEC

Q5709
BC846B	10/50V
C5709

R5709 220(F)

								Q5741
								BC846B
R5726	12K(F)	Q5726				R5760	82(F)	R5743	1K(F)
		KTC3206Y
	Q5725
	BC846B
	R5725	82(F)	C5727	22uF/100V	GND_DEC	C5729	100/100V
					R5727		R5729	D5729
					68(F) 0.25W		22 0.5W(Fusible)	1N5819

	8.2K0.25W(F)	D5745	27V	C5745	0.1uF
R5747		R5745	3.3K(F)		Q5760
	0.25W(F)8.2K				2SA1859A
R5746			C5760

(N.F)

820(F)

Q5780

NJL1302DG

R5780

1.00.25W

(Fusible)

D5780 1N4003S C5780 22uF/100V

VEE

	R5788
GND_SBR	10K(F)	R5789	5.6K(F)	C5789	0.1uF 100V
	R5786
	10K(F)
	R5778
	1K(F)	1 2	CN57
	R5776

1K(F)

B

SUB_POWER

			C5942	100/16V
			GND_STBY			3			2
									C5941	4700P
				D5941	1N4003S	4		1
						RY594
POWER_MUTE D5965	R5965
1SS355	1K(F)						C5945	0.1uF/100V
										4
+5V				D5947		D5945				5
		C5947	1000/16V				0.1uF/100V			6
		Q5947		1N4003SR		1N4003SR	C5946
				1N4003SR		1N4003SR
		KTC3198Y								7
	POWER_RELAY R5946			D5948		D5946				T5941
	220
	R5947	100K

3230V

2115V

1

	250VL8AT		250VH15A	230V
F5941		F5940		3 2 1 TOTRANS
				115V
S594			T	CN504
	6	5	4
	3	2	1
				NCN503
				2	INLET
				L	AC
					FROM
				1

**IMPORTANT SAFETY NOTICE.

REVISION	2	4	6
1	3	5	7

	C5948	2.2/50V	D5949	C5994
				1/50V
			1N4003SR
CUP12329-1	POWER-DOWN		D5950
			1N4003SR	G5901

CN502

2 1

TO SWITCH

COMPONENTS IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS, USE ONLY MANUFACTURER'S SPECIFIED PARTS.

**THE UNIT OF RESISTANCE IS OHM.
K=1000 OHM, M=1000 KOHM	M P
**THE UNIT OF CAPACITANCE IS MICROFARAD (uF).
1pF = 10- 6 uF

**THIS SCHEMATIC DIAGRAM MAY BE MODIFIED AT ANYTIME WITH THE IMPROVEMENT OF PERFORMANCE.

	SCHEMATIC DIAGRAM				SHEET
MODEL			AVR400		15
					12
DESIGN		CHECK	APPROVE	DRAWING NO
L.K.M		L.J.H	S.H.S	2329SCMZ	2 2
10.11.18		10.11.18	10.11.18	(AMP PART)

A