Samsung ML-1700 specifications HVPS Circuit Diagram 1/2, THV-sen

11.3 HVPS Circuit Diagram (1/2)

S C H E M ATIC DIAG R A M S

5V

R202

100

CON2-16Q201 A708-Y

5V

D201	C204
	103
1N4148

		24VS
R209		C207
		103
100K
	C206
		IT201
R210	104
		C210

THV-PWM R201

430THV-sen

	R204	R205
	47K	22K
R203	C201	C202
2K	473	102

THV

50K

C203

681

R206

180K-F

4

5+

6-

11

C205

473

7

U102-B

KA324

R207

330K-F

		5.6K			4			6KV 221	C211
R208	Q202				2 ¡
									6KV 221
10K	C945C-Y					6
							D204	D205	D206
					5	¡ 7
			D203
			D1NL20U		1 ¡		6KV	6KV	6KV
		Q203			IT-01		C209	6KV 221	R212	THV
				C208
		C2383							1/2W 100K
				681
	ZD201	R211	D202
	2.7V		D1NL20U					TNR201
		1/4W 4.7
							5N221K
						C212		TNR202	R213
						2KV 221
							5N431K
									MGR1/2W 100MF
				24VS				TNR203
							5N431K

CON2-17

THV-EA

R301

1K

5V

R309

N.U

R302		C302
		103
470K
	R303	C301	IT301	D302
	470	4
		104		4KV	C304	R305
			¡
		2			3KV 151	MGR1/2W 50M
			6
Q301		5	¡ 7			THV-sen
C945C-Y		1	¡
					R306	D303

CON2-18

THV-READ

R308

1K

C307

473

C306

INDEX

50K

1

U102-A

KA324

473
	R307
	150K
+	3
-	2

		Q302	C303	IT-01		150KF	1N4148
			103
		C2383
	ZD301		D301
	2.7V	R304				C305
			D1NL20U		D304
5V		1/4W 4.7				104
					1N4148
	D305
	1N4148

Service Manual

Samsung Electronics

11-13