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SERVICE MANUAL

Colour Television PAL/SECAM/BG/DK

Models:

14”

 

CTV-37V10

(chasis 3401)

21”

 

CTV-55V10

(chasis 4401)

C

C

C

CA

A

A

AU

U

U

UTT

T

TIIIIO

O

O

ON

N

N

N

Before serving the chassis, read the "X-Ray Radiation Precaution",
"Safety Precaution" and "Product Safety | Notice" on page 2 of this manual.

Содержание CTV-37V10

Страница 1: ...G DK Models 14 CTV 37V10 chasis 3401 21 CTV 55V10 chasis 4401 C C C CA A A AU U U UT T T TI I I IO O O ON N N N Before serving the chassis read the X Ray Radiation Precaution Safety Precaution and Pro...

Страница 2: ...e CRT conductive coating before handling the picture tube The picture tube is highly evacuated and if broken glass fragment will be violently expelled Use shatter proof goggles and keep picture tube a...

Страница 3: ...justment 2 1 small screwdriver 2 2 screwdriver without inductance 2 3 Pattern Generator 2 4 DC Regulated power supply 2 5 Digital Voltmeter 2 6 Sweep Signal Generator 2 7 20MHz 2 channel Oscilloscope...

Страница 4: ...1 of IC302 and negative terminal of D608 DC Regulated power supply negative terminal connects to pin 2 of IC302 1 3 Adjust L203 coil to obtain 3 6V Digital voltage meter reading 2 System NTSC Adjust L...

Страница 5: ...erminals 3 4 Adjust VR601 to obtain 110V 0 5V 4 AGC alignment 4 1 Receive 60dB 2dB RF signal Connect Digital voltmeter positive terminal to AGC terminal of TUNER and negative terminal to GND 4 2 Press...

Страница 6: ...ght area 4 3 1 Go to factory mode MENU2 according to 4 4 2 Obtain Low Bright area to x 281and y 311 by adjusting R bias and B bias Obtain High Bright area to x 281and y 311 by adjusting R drive and B...

Страница 7: ...ard the front of CRT and set it where a uniform green field is obtained Tighten the clamp screw of the deflection yoke 7 Restore the values of R BIAS G BIAS and B BIAS CONVERGENCE ADJUSTMENT 8 Receive...

Страница 8: ......

Страница 9: ...MENU 2 V KILL 0 R C 128 G C 180 B C 125 R D 48 G D 10 B D 63 COLLOR TEST 0 MENU 4 SUB_BRI 123 OSD CONT 100 B GAM SEL 0 RG GAM DEF 0 SCM B_Y DC 8 SCM R_Y DC 4 BLUE BLACK 1 C E OSD 0 OPTION 2 AV CH 0 C...

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