akira CT-21AZ9 Service Manual Download Page 2 | Manualshive

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Model No: CT-21AZ9A_21AZ9CP_21AZ9CP(SKD)_21AZ9R_21AZ9R(SKD)
Version 1.0

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CHASSIS: SS1

MODEL:

CT-21AZ9A

CT-21AZ9CP

CT-21AZ9CP(SKD)

CT-21AZ9R

CT-21AZ9R(SKD)

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Summary of Contents for CT-21AZ9

Page 1: ...C C Co o ol l lo o ou u ur r r T T TV V V S S Se e er r rv v vi i ic c ce e e M M Ma a an n nu u ua a al l l ...

Page 2: ..._21AZ9CP_21AZ9CP SKD _21AZ9R_21AZ9R SKD Version 1 0 2 M M Mo o od d de e el l l G G Gr r ro o ou u up p p C C CT T T 2 2 21 1 1A A AZ Z Z9 9 9 CHASSIS SS1 MODEL CT 21AZ9A CT 21AZ9CP CT 21AZ9CP SKD CT 21AZ9R CT 21AZ9R SKD ...

Page 3: ...o CT 21AZ9A_21AZ9CP_21AZ9CP SKD _21AZ9R_21AZ9R SKD Version 1 0 3 CONTENTS Specifications 4 X Ray Radiation Precaution 5 Safety Precaution 5 Product Safety Notice 5 Alignment Instructions 6 Schematic Diagram 11 ...

Page 4: ... P B CP PAL NTSC P B Picture Tube 54 cm 21 diagonal Ext Antenna 75 Ohm Coaxial Cable Ext In Out Audio Video in out Speakers 5W x 2 Volts A AC 100 260V 50 60Hz R N CP AC 150 260V 50 60Hz Power Consumption 21 75W Dimension 21 580 W x 515 D x 520 H mm Net Weigh 21 22 kg REMOTE CONTROL Transmitting System Infra red Power Supply DC 3V 1 5Vx2 Design and specifications are subject to change without prior...

Page 5: ...during any dynamic service to avoid possible shock hazard 2 Always discharge the picture tube anode to the 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 away from the unprotected body while handling 3 When replacing a chassis in the cabinet always b...

Page 6: ...es 1 4 Digital multi meter with LED display 4 digits 1 5 Factory mode remote control unit 2 Channels setting required Channel 1 Monoscope pattern PAL DK Music Channel 7 Half Colour Bar pattern PAL I Modulation Channel 12 Crosshatch pattern PAL BG Music Channel 13 Picture PAL DK Music Channel 24 Half Colour Bar pattern PAL BG Modulation Channel 56 Full Colour Bar pattern NTSC Modulation 3 Set up Al...

Page 7: ...al Line and Size Adjustment 8 1 Receive crosshatch pattern use factory mode remote control to press factory mode key for adjustment Using CH keys for V Size and V Line selection 8 2 Use V keys to adjust the picture line requirement and the size to spec 9 RF AGC Adjustment 9 1 Receive channel 13 of picture pattern Adjust the AGC at 60 dB for no picture noise 100 dB picture should not be distorted a...

Page 8: ...ust over 9 0 Mohm if not reject Note Everyday work check the high pot Condition as 3100V 10 mA 5 sec are OK 14 Safety Check 14 1 High voltage checking Use high pot tester and set the tester to 3100V 10mA and ensure the AC DC switch is in AC position Set the tester to 10mA and timer to 5 sec 14 2 Checking methods connect the power cord into power socket the high pot tester gun pointed at metal part...

Page 9: ...setting factory mode FACTORY MODE ADJUSTMENT TABLE Table 1 Selection Items OSD Display Setting Description 14 14 21 25 29 34 Reading limit 00 H PHASE Horizontal centre 7 9 7 6 0 31 01 NT PHASE NTSC center setting 2 0 0 0 5 16 02 H BLK LEFT Horizontal left adjust 4 4 4 0 1 03 H BLK RIGHT Horizontal right adjust 4 4 4 0 7 04 V SIZE Vertical size 52 82 88 83 0 127 05 V LINE Vertical Linearity 11 13 1...

Page 10: ...0 7 16 VOL FIL Sound trap filter control 1 1 1 0 3 17 VIF SYS SW VCO setting 1 0 0 0 0 7 18 VIDEO LEVEL Video output adjustment 7 7 7 0 7 19 FM LEVEL Sound output adjustment 16 16 16 0 31 20 POWER OPTION Power on selection 0 1 1 1 0 3 21 LOGO AT P ON Logo display 1 1 1 0 1 22 SEARCH CHECK Check the auto search function 1 1 1 0 1 23 BAND OPTION Band selection 0 0 0 0 3 24 CHANNEL MAX Maximum channe...

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