Magnavox 26MD301B Manuel de service télécharger pdf (Page 35)

9-5

FL11.4ABLP

5. Power Supply Block Diagram

CAUTION !

Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.

If Main Fuse (F601) is blown , check to see that all components in the power supply

circuit are not defective before you connect the AC plug to the AC power supply.

Otherwise it may cause some components in the power supply circuit to fail.

For continued protection against risk of fire,

replace only with same type 4 A, 125V fuse.

CAUTION ! :

ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.

4A/125V

NOTE:

The voltage for parts in hot circuit is measured using

hot GND as a common terminal.

HOT COLD

POWER SUPPLY CBA

HOT CIRCUIT. BE CAREFUL.

Q601

SWITCHING

CONTROL

3 2

IC601

T600

LINE

FILTER

L600

CN600

AC600

AC CORD

BRIDGE

RECTIFIER

D600- D603

FEED

BACK

Q600

SWITCHING

Q634

CN200

CN632 CN3701

Q210,Q211

SWITCHING

Q213

SW-9.5V

Q214

Q221, Q222,

D221

SW+16V

Q635

Q207,Q208

Q636

+5V REG.

IC202

+3.3V REG.

LINE

FILTER

L601

4A/125V

F601

4A/125V

Q631

Q632

P-ON-H1

VCOM-PWM

TO SYSTEM

CONTROL

BLOCK

DIAGRAM

P-ON-H2

PROTECT3

PROTECT1

SWITCHING

+24V

13,14

AMP+24V

AL+5V

P-ON+24V

LCD MODULE ASSEMBLY

DIGITAL MAIN CBA UNIT

LCD-6V8

P-ON+3.3V6,7

VGH4

VCOM10

PANEL+15.8V2,3

AL+5V11

16,17

P-ON+24V16,17

AMP+24V13,14

Q212

Q200, Q201,

Q206

SW+24V

CN601

*1 LC320EM2 (Serial No. : DS1),

32MF301B/F7 (Serial No. : DS1),

LC320SS2 (Serial No. : DS1)

*2 LC320EM2 (Serial No. : DS3,TH1),

32MF301B/F7 (Serial No. : DS2,TH1),

LC320SS2 (Serial No. : DS2,TH1)

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 70 71

Commentaires sur ces manuels

Pas de commentaire

Magnavox 26MD301B Manuel de service Page 35

Commentaires sur ces manuels

Produits connexes et manuels pour TV LCD Magnavox 26MD301B