Monochrome monitor service manual before servicing the chassis, read in this manual model:.
Features l 2000 display characters in a 8 x 8 dot format. L 18 mhz bandwidth, medium class, composite signal input. L this monitor is compatible with a variety of home and personal computers controls location the monochrome monitor uses a rca jack connector. The input signal is input through the rca...
Circuit description 1. Video amplifier 2. Power supply the fig. 3 details the cascade video amplifier. Video amplification is provided by the tr303 and tr304. Tr303 and tr304 are connected in a cascade configuration. Tr303 operates as a common emitter and tr304 operates in the common base configurat...
Vertical oscillator vcc 2 frame vcc 2 generator oscillator frame-synchro generator line fly back phase input detector horizontal oscillator vertical o u t p u t p o w e r amplifier input horizontal o u t p u t figure 4, block diagram of the tea 2037a 3. Composite video input and horizontal/ vertical...
Adjustment 1. Regulated b + adjustment connect high impedance voltmeter between emitter and ground rotate the b adjustment control to obtain a reading of 12.0 2. Focus adjust the focus control (vr704) for best overall focus of the test pattern (marked with the symbol usually the center and corners o...
2 1 schema1 contrast ln5392gp.4 20.6 a 1 2 . 7 r602 oefl tea2037 vr702 i notes: 1. Resistors are shown in ohms k 1.000 2. Capacitors are shown in otherwise noted p 3. All resistors are tolerance unless otherwise noted safety notice t h e ma rk o f d i a g r a m features important for protection from...
Diagram 3 9 / - vr703 3 3 k r 7 1 1 6 . Y ext. Fbt , i c 7 1 7 3 2 0 l 0 . 0 1 \ important avis sur la special fire and t h a t critical la marque de ce comprend p o u r d e s r a y o n s d a n g e r s e t d e e n d e d e s d e s y m b o l e d e s p a r l e h a n u f a c t u r i e r . D i e f g.
Troubleshooting guide a n d p o w e r reg circuit 7 y e s , c h e c k c r t v o l t a g e 4 5 0 v n o trouble in 2 c h e c k c r t ( h e a t e r ) v o l t a g e l e a d l e a d y e s c h e c k c r t v o l t a g e a b o v e trouble in t r 3 0 3 , y e s (sub-bright,, (contrast,, b r i g h t , , v i d ...
Printed circuit board 1. Main pcb assy pin: 1 assy pin: gsep-2112.
3. Main pcb (solder side) 4. Line filter pcb (solder side).
Exploded view replacement parts list (mechanical parts) 8 , cover assy. 10 11 , 12 c o v e r , c r t board i 13 303.928a cover, pcb shield case *outer cabinet not used on 6300t models. C d i e i f.
Replacement parts list caution: components identified by the symbols in the parts list and on the schematic diagram have special characteristics important to safety. Do not degrade the safety of the set through improper servicing. Abbreviations: capacitors . . . . Cc: ceramic (tc), ce: chemical, ck:...
Ref. No. Part no. Description 2 160v ce. 16v co, 0 c 7 0 3 ce. 1 25v co, 0 pp 0 200v s c 706 co, 0 0 ce, 4 25v a pp. 0 400v ce, 25v ce. 16v bp. 4 25v s c 7 1 3 ce, ce, a c 7 1 5 ck. C 7 1 6 cc. 56pf 50v c717 co, 0 ck. 0 50v 1 ck, 0 50v 0 50v ck, 0 50v ck, 0 50v ce, 25v ck, 0 50v ce, 47uf 16v a mpp. ...
