SERWIS

ELEKTRONIKI

Baza Porad Serwisowych

Rys

.9.

Schemat

zasilacza

impulsowego

OTVC

Philips

chassis

K-12

i

chassis

K-12i

12

3

4

8

7

3

2

D587 BA

W62

+32V

C598 m68

D203 BZX79 C12

R210 3k9

W£:

+0.7V

WY£:

+6V

7

9

+32V

C259 10

µ

D201 BZX79 C6V8

D257 BYX 71/350

C257 n47

C258 56n

C201 10

µ

R230 M12

R201 33k

R219 M33

15

S523

4/S491

(transf.

linii)

C212 22

µ

C210 6n8

+1.5V

+1.4V

R270 1k0

C216 10

µ

R218 5k6

U555

(korekcja)

C204 47

µ

15

C571a 225

µ

R546 15k 3W

R547 15k 3W

M5

(zdalne

sterow

.)

U540

(prost.)

-T

U548 Modu³

zasilacza

impulsowego

R587 3k3

16

15

UF

U

+8.4

U

+9.6

0

P

≥ ≤

UU

U

+0.7

U

-0.7

70

6

6

≥ ≥ ≤

U

δ

ma

x

U

∆

φ

δ

∆

U

14

13

12

11

10

9

1

2

345

6

78

R202 33k

R203 6k8

R206 M33

R207 33k

Synchro

H

R209 10k

3

1

2

14

3

19

1

4

C549 4n7

D549 OF417

R549 15k 3W

S549

R548 15k 3W

R213 39 3W

Ω

R216 22k

R21

1

M15 1W

C218 22p

C202 3n3

C203 2n2

T202 BC558

R205 22k

R204 12k

+2.4V

+12V

C208 m33

C207 n10

R208 1k0

T203 BSX21

D202 BY207

T204 BU426

R215 k10

C205 m10

R212 36

Ω

R222

R221 k56

R225 k22

C217 2n7

C214 4n7

C213 n22

R227 3k6

R228 2k2

R224 3k9

C215 10n

Regulacja +145V

8Vss 64

s

µ

10Vss 64

s

µ

C252 m68

D251 BYX71 /350

D492 BY206

R493 18 1W

Ω

R492 18 1W

Ω

R257 68

Ω

C251 3n3

U555 (korekcja)

14

+29V

16

6

4

2

S506

3

1

4

R451 M10

R452 1k0

C452 10

µ

Faza

H

C451 1n0

R453 4k7

9

U445 Synchro

H

R223 2k2

R223 2k2

W

y³¹cznik

nadnapiêæiowy

R200 33k 1W

R229 M10

R550 12

Ω

9

11

2

D551 BYX71 /600

C551 1n5

9

9Vss

5

8

4

280Vss

+145V

S553

S492

S599

R509 2k7

C599 1m0

2,

3,

4

U585 (fonia)

szeregowo

z

cewkami

odchylania

linii

-próbkowanie

pr¹du

odchylania

linii

R599 12 1W

Ω

Si599 1A

T

T488 2SD350A

S488

Odchyl.

linii

C571b 25

µ

C498 47

µ

1/S491 (transf.

linii)

6

S525

1

7

R551 12

Ω

C206 1n0

S201

S204

D552 BY207

C548 n22

+258V

ST

AR

T

U

≥

+5

δ

=0

U

0

U

P

IC201 TDA2581Q