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Download BEKO chassis 14.2 docs - TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips| File information: | | File name: | chassis_14.2.pdf
[preview chassis 14.2] new window | | Size: | 218 kB | | Extension: | pdf | | MD5: | 58b90e2ba6d7916cc0154ee221f75976 | | Mfg: | BEKO | | Model: | | | Original Chassis: | chassis 14.2 | | Descr: | BEKO TV 14.2 chassis chassis_14.2.pdf | | Group: | > > > | | Uploaded: | 2020-01-05 00:42:22 | | User: | Anonymous | | Multipart: | No multipart |
| Information about the files in archive: | | Decompress result: | OK | | Extracted files: | 1 | | File name | | Text | | chassis_14.2.pdf | | 1. ELECTRICAL ADJUSTMENTS
1.1. Supply Voltage Adjustment
Connect a digital voltmeter to the cathode of diode D611 at the AV1 mode of the TV and set the
screen voltage to the minimum with the screen potentiometer. Adjust the main supply voltage (B+)
with P601 potentiometer to the following value (after adjustment, readjust Screen voltage).
25" : 145 VDC
28" : 145 VDC (147 VDC for A66EAK071X11)
28" Pure Flat 16/9 : 140 VDC
28" Super Flat 16/9 : 140 VDC
29" Pure Flat : 125 VDC
29" Super Flat : 125 VDC
32" Pure Flat 16/9 : 140 VDC
32" Super Flat 16/9 : 131 VDC
33" : 158 VDC
2. SERVICE ADJUSTMENTS
You need the special service remote control to enter and exit the service menu of the TV (you can
order it from the manufacturer). All buttons of the Service RC are same with the user remote control,
only service menu In / Ot was added to it (please see the picture below).
Navigation
Service In/Out : Enters to / |
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