Service Manuals, User Guides, Schematic Diagrams or docs for : BEKO TV 4400 Pro chassis 4400pro_214
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CHASSIS Pro 4400
BUSH
ORION
3463NTX
3472NTX 3850
WS6667 TV2844W
WS7667 TV4400NTX
WST66
DECCA / TATUNG
GRUNDIG
D28N440
T70-1020 D28W440
WF82-3020 D28W441
T21N421
T25N440
MATSUI T28N440
28N03
T32W440
32WN03 T32W441S
and many others
Chassis Pro 4400
4. Control bytes (Cox)
General Information These are control registers that must be set as
follows:
Co4 00 Waveforms
Co3 27
Co2 96
Used in Bush, Goodmans, Grundig, Matsui, Orion, Tatung, etc
5. Option bytes (Opx)
The correct values to set for each appliance are
given on the label on the back cover alongside
the notations Op3, Op2 and Op1.
without any prior programming and a new
6. Audio/stereo A2 decoder (LA/SA)
Service Adjustments microprocessor requires initialization.
The LA and SA functions allow adjustment of the
1. IF video setting (IFxx AFCxx) separation between the right and left audio
Power supply
This adjustment requires special equipment and channels, and of the respective levels. An RF
Use potentiometer PP1 to adjust the HT for
stereo generator is therefore required. Discon-
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