Related Manuals for Kenwood CV-1240
Summary of Contents for Kenwood CV-1240
- Page 1 525/60 WAVEFORM MONITOR CV-1240 625/50 WAVEFORM MONITOR CV-1245 INSTRUCTION MANUAL KENWOOD CORPORATION © PRINTED IN JAPAN...
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Page 2: Table Of Contents
ADJUSTMENT • T h i s manual c o v e r s both CV-1240 and CV-1245. Most d e s c r i p t i o n s a r e common t o both, w i t h the i n f o r m a t i o n r e l a t i n g to the CV-1245 e n c l o s e d i n b r a c k e t s [ ] . -
Page 3: Features
75 ohms by s w i t c h operat ion at the r e a r of the CV-1240 [ 1 2 4 5 ] . -
Page 4: Specifications
SPECIFICATIONS CV-1245 CHARACTERISTICS CV-1240 Number of scanning 1 ines 50Hz 60Hz F i e l d frequency 4. 43MHz 3. 58MHz S u b c a r r i e r frequency B, G, H, I , D, K Appl icable system... - Page 5 CV-1245 CHARACTERISTICS CV-1240 V e r t i c a l a x i s ±2% Preshoot T r a n s i t i o n a l T r a n s i t i o n a l...
- Page 6 CV-1240 CV-1245 CHARACTERISTICS RGB parade d i s p l a y 1 0 V ± 1 5 V 9 d i v S t a i r c a s e input s e n s i t i v i t y ±...
- Page 7 CV-1245 CV-1240 CHARACTERISTICS Dimentions and weight ) dimensions inc1ude protrusion from b a s i c out 1 ine dimensions. 215 ( 2 1 5 ) mm Width 132 ( 1 4 7 ) mm Height 430 ( 4 6 0 ) mm Depth Approx.
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Page 8: Precautions For Use
Do not put a t h i n g on the CV-1240 [1245] and a v o i d b l o c k i n g t h e v e n t i l a t i o... -
Page 9: Panel Explanation
PANEL EXPLANATION FRONT PANEL F i g . 1-1 Front panel POWER A power swi t c h . P r e s s i n g t h e s w i t c h t u r n s t h e power on, and a n o t h e r p r e s s t u r n s t h e power o f f . - Page 10 INTEN c o n t r o l Used to a d j u s t the luminous i n t e n s i t y of waveform. ®, ©, (D LINE SELECTOR s w i t c h e s With p u s h - b u t t o n s w i t c h (D h e l d down, a 1ine s p e c i f i e d by d i g i t a l r o t a r y s w i t c h ®...
- Page 11 © SWEEP s e l e c t o r switch Used to s e l e c t the d i s p l a y mode of the h o r i z o n t a l a x i s . : Two l i n e s a r e d i s p l a y e d .
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Page 12: Rear Panel • 1
REAR PANEL F i g . Rear panel ® A INPUT terminals S i g n a l input t e r m i n a l s of the loop t h r o u g h t y p e . The input impedance i s 15 k i l o o h m s at the IV f u l l s c a l e , and 60 kiloohms a t the 4V f u l 1 s c a l e . - Page 13 A t e r m i n a l f o r r e c e i v i n g a s t a i r c a s e s i g n a l and a remote c o n t r o l s i g n a l t h a t s e l e c t s a c i r c u i t i n the CV-1240 [ 1 2 4 5 ] .
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Page 14: Scale Description
SCALE DESCRIPTION The CV-1240 uses a s c a l e f o r the NTSC system of 525 l i n e s and 60Hz. CV-1245 uses a s c a l e f o r the PAL s y s t e m of 625 1 i n e s and 50Hz. - Page 15 F i g . S c a l e of the CV-1245 F i g u r e 2-2 i s the s c a l e of the CV-1245. l e f t s c a l e ranges from - 0 . IV to + 1 . 2V at an i n t e r v a l of 0.
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Page 16: Operating Procedures 1
OPERATING PROCEDURE PREPARATION P r o j e c t the knob of P O W E R ® ( O F F ) . Set I N P U T ® to A - l . P r o j e c t the knob of G A I N © ( C A L ) . -
Page 17: Changing The Setting Of Response • 1
CHANGING THE SETTING OF RESPONSE S e t INPUT © to A - l . The s u p p l i e d v i d e o s i g n a l w i l l be d i s p l a y e d . A d j u s t t h e waveform p o s i t i o n u s i n g ^ P O S I T I O N ©... -
Page 18: Changing The Setting Of Sweep
10. I f R E S P O N S E ® i s s e t to DIFF GAIN, the waveform about t h r e e to f i v e times as l a r g e as CHROMA i s o b t a i n e d . -
Page 19: Line Selector 1
14. I f S W E E P © i s s e t to 2V MAG, the v e r t i c a l b l a n k i n g p e r i o d can be wel observed. 15. -
Page 20: Measuring Differential Gain
MEASURING DIFFERENTIAL GAIN (DG) 18. T u r n L I N E S E L E C T O R © o f f , and s e t S W E E P © t o 1H or 2H. I n p u t modulated s t a i r c a s e waves to a d e v i c e to be measured, and input the output from the d e v i c e to A I N P U T ®... -
Page 21: Rgb/Yrgb Parade Display
F o r m e a s u r i n g Kpb, make s u r e t h a t t h e b a r c e n t e r i s a t 1 0 0 I R E ( 1 . 0 ) when t h e b l a n k i n g l e v e l i s OIRE ( 0 . - Page 22 Operation s e l e c t i o n by u s i n g i n t e r n a l power source (Ground) Staircase signal input Remote c o n t r o l by u s i n g i n t e r n a l power source The f o l l o w i n g w i r i n g enables the user to change o p e r a t i o n w i t h an e x t e r n a l s w i t c h .
- Page 23 Power source without common ground — 12 to —15V power source Staircase signal input...
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Page 24: Maintenance And Adjustment
. Replacing a fuse When a f u s e blows o u t , t h e CV-1240 [ 1 2 4 5 ] i s d i s a b l e d . -
Page 25: Adjustment • 2
ADJUSTMENT Removing the case How to remove the case and bottom p l a t e Note S i n c e a h i g h v o l t a g e ( 1 2 k V ) i s a p p l i e d around the CRT, t u r n t h e power o f f b e f o r e removing the c a s e . - Page 26 i t e m s below a r e a l r e a d y a d j u s t e d and r e q u i r e no f u r t h e r a d j u s t m e n t . However, i f they a r e to be r e a d j u s t e d , f o l l o w the i n s t r u c t ions 1 i s t e d below.