Panasonic CT-27HL15N Manual de servicio - Página 8

Navegue en línea o descargue pdf Manual de servicio para TV Panasonic CT-27HL15N. Panasonic CT-27HL15N 32 páginas.

procedures

All service adjustments are factory preset and should not require change unless controls and/or associated components are replaced.

140.0_V B+ voltage check

Set the BRIGHT and PICTURE to minimum by using the PICTURE menu.

Connect the DVM on TPD50 (D-Board by and cold ground

Confirm that B+ voltage is 142V ± 6.0V. This voltage supplies B+ to the horizontal output and flyback circuits.

Source voltage chart

120V AC line input. Set the BRIGHT and the PICTURE to minimum by using the PICTURE menu. Use cold or hot ground for the (-) lead

of the DVM as needed

A-BOARD

STBY 7V (BY IC006) A-Board TPA9

MAIN 9V (BY IC006) A-Board TPA90

MAIN 5V (BY IC2856) A-Board TPA15

GC 2.5V (BY IC2856) A-Board TPA25

STBY 3.3V (BY A13 CONNECTOR) A-Board TPA16 3.3V ± 0.2V

MAIN 3.3V (BY IC 2856) A-Board TPA33

D-BOARD

+B2 (BY D14 CONNECTOR) D-Board TPD50

30V (BY IC805) D-Board TPD19

15V (BY IC802) D-Board TPD7

-15V (BY IC805) D-Board TPD6

SOUND+ (BY D6 CONNECTOR) D-Board TPD4 17.2V + 1.5V -1.0

SOUND- (BY D6 CONNECTOR) D-Board TPD53

210V (BY IC503) D-Board TPD34

MAIN 12V (BY D14 CONNECTOR) D-Board TPD22

High voltage check

http://tsn.pstc.panasonic.com/viewing/NA/CT-27HL15N/SIMP/MTNC050426A1/doc/MTN...

VOLTAGE

7.5V ± 0.75V

9.0V ± 0.5V

5.2V ± 0.3V

2.6V ± 0.2V

3.3V ± 0.2V

VOLTAGE

142.0 ± 6.0V

33.5 ± 2.0V

14.5 + 1.5V -1.0

-15.5V ± 1.5V

-18.0V ± 1.5V

211.0V ± 4.0V

12V ± 0.5V

Page 8 of 32

7/7/2008