Manuals / Proview / Computer Equipment / Computer Monitor

Proview P6NS Series service manual Bright Hor. Lineh. Trouble Shooting Hints, No No No No

Models: P6NS Series

1 46

Download 46 pages 11.61 Kb

Page 22

BRIGHT HOR. LINEH. TROUBLE SHOOTING HINTS

BRIGHT HOR. LINEH. TROUBLE SHOOTING HINTS

APPEAR ON THE

SCREEN

NO POWER

T501 (7)

160 V ?

Yes

IC501 (7)

＞14 V ?

Yes

IC501(6) 14Vp-p ?

Yes

D510 (-)

15.5V ?

Yes

CIRCUIT

SHORT

No

No

No

No

CHECK F501,D514 , D515,D516, D517

CHECK

IC501,R539,

D505,ZD551

CHECK

IC501,Q504

CHECK

D510,Q501,

Q508

T501(7) VOLTAGE

AC120V IN 160V

AC220V IN 294V AC230V IN 308V

22

Image 22

Proview P6NS Series Bright Hor. Lineh. Trouble Shooting Hints, T5017 VOLTAGE AC120V IN AC220V IN 294V AC230V IN

Contents

P6NS SERIES Service Manual6F,No.1,Pau-Sheng Road,Yung-Ho City,Taipei 234,Taiwan TABLE OF CONTENTS Tel 886-2 2231-6789 , Fax 886-2A. IMPORTANT SAFETY INSTRUCTION For Model 786NS,986NS Series For Model 572NS Series562NS,572NS Series B. SPECIFICATIONS772NS,777NS,786NS,787NS Series 16.02 inch ----- 777NS,787NS Series 310mm H × 230mm 986NS Series15.7 inch ----- 772NS,786NS Series 30 - 70 KHz ----- 772NS,777NS Series446 × 460 × 475 mm ------ BZ/IZ Series ＜ 110WSync C A C. TIMING CHARTVideo A Period B Active C Sync Width D Back Porch E Front porchFont control panel D. CONTROL LOCATIONc.Encoder VR501 E. ADJUSTMENT CONTROL LOCATIONIC901 L705F. ADJUSTMENT PROCEDURE BrightnessOther adj ﹟Test Meter ﹡Test Point ﹫Pattern5. Set the DEFO to TDA9113/9112 786NS,787NS,986NS Operation Page Page G. BLOCK DIAGRAM Page Page Page Page Page T5017 VOLTAGE AC120V IN AC220V IN 294V AC230V IN BRIGHT HOR. LINEH. TROUBLE SHOOTING HINTSNo No No No 0.7 VP-P ? 48 VP-P ?Deflection 1.5V~-1.8VSurrounding Horizontal1.0 ~ IC90120 PS 0 V ? OFF MODE NO ROTATION FAILUREIC90140 41 H/V SIGNAL ? Q505 C 7.0 V ?Q902 R979Q903 39 V P-P ? 80V 0-P?0.7V P-P ? I. REPLACEMENT PARTS LIST Condition OSD onSpare Parts List 986NS/787NS/786NS/777NS/772NS/572NS/562NSREVA R2A7 R979 R2A1 R2A6R2A4 RP901 R701,702 986NS,787NS,786NS772NS C2A3 C2A2C2A9 787NS,786NS,772NS,772NS,572NS,562NS4700p 1.5KV C 908,909,920,921,902A,902B,724 HMPSA44 POWER CORD986NS,787NS,786NS,772NS PFC Assembly Kit For 17”/19” J. CONDUCTION VIEW MAIN BOARD Component SideMAIN BOARD Soild Side K. SCHEMATIC DIAGRAM