Samsung ML-1700 specifications Hvps Circuit Diagram 2/2, 4KV

S C H E M ATIC DIAG R A M S

HVPS Circuit Diagram (2/2)

5V ZD401 24VS

MHV-sen

MHV-PWM

D401 1N4148

C404		R403
472		1.5M
12	+	14
13
	-

Q401

A708-Y

R404

2.7V			C406
	R407
			103
R406	100K
5.6K
		R408	C405
		470

	IT401	D404	R410
		4KV
			1/2W 560K
4
2	¡		C409

R413 MHV

1/2W 100K

CON2-19 R401		R402
47K		22K
C401		C402
473	102

U102-D

KA324

C403

D402 331

1N4148

10K

		104
R405
10K
		Q403	C407
			103
		C2316
			D403
Q402	ZD402		D1NL20U
C945C-Y	2.7V	R409
		1/4W 4.7

	6		3KV 471	R411
5	¡ 7			MGR1/2W 20MF
1 ¡				MHV-sen
	IT-01
		5V	R412
			30KF
				C410
	C408			221
	103		MHV
			20K

R414 MGR1/2W 15MF

OPC

ZD403

130V

5V

C504

ZD501 24VS

BIAS-sen

D501			R503
1N4148	472		330KF
	10	+	8

Q501

A708-Y

2.7V		C506
	R507	103
R506	100K
5.6K

IT501	D504	R510
	4KV		R513	SUPPLY
		1/2W 1.8M
4

BIAS-PWMR502

R501 22K

CON2-20 47K

C501 C502

473 102

24VS

		9	-
			U102-C
			KA324
D502	C503
1N4148	681

U103

KA78055V

R504

10K

R505

10K

Q502 C945C-Y

ZD502

2.7V

R508

470 C505

104

Q503	C507
	103
C2316
R509	D503
	D1NL20U
1/4W 10

			R511		1/2W 50K
2 ¡				C510
	6	C509
				3KV 101	ZD503
	¡ 7	3KV 471
5					200V
1 ¡
IT-01			MGR1/2W	BIAS-sen	R514	DEV
		5V		R512	1/2W 50K
				30KF
	C508			R515
	103		DEV	MGR1/2W 15MF
			10MF
			20K

C112	+
50V 10uF

IN OUT

GND

+ C113 25V 47uF

Service Manual

11-14

Samsung Electronics