6OSXi OBAII 1 KA
50UX22BN23KA
46UX20BN21 KA
50SX7PA
ADJUSTMENT INSTRUCTION
1. ASSEMBLED PWB ADJUSTMENT ............................................................................................................................... 17
MTS Demodulating Circuit Adjustment
l-l . Stereo VCO adjustment (MTS Data Set) ................................................................................................................ .17
l-2. Filter adjustment (MTS Data Set) ............................................................................................................................ 17
1-3. Input level adjustment (MTS Data Set) .................................................................................................................. .17
l-4. Separation adjustment (MTS Data Set). .................................................................................................................. 17
l-5. SAP VCC adjustment (MTS Data Set) ................................................................................................................... .18
l-6. SAP reception check ............................................................................................................................................... 18
2. CHASSIS ASSEMBLY ADJUSTMENT (SIGNAL P.W.B.) ............................................................................................ 18
2-l. MEMORY INITILIZATION ....................................................................................................................................... 18
2-2. COMB FILTER ADJUSTMENT CHECK.. ............................................................................................................... .18
2-3. HORIZONTAL AFC COARSE ADJUSTMENT (R367) ........................................................................................... .18
3. FINAL ASSEMBLY ADJUSTMENT .............................................................................................................................. 18
3-l. OPTICAL SYSTEM ADJUSTMENT ....................................................................................................................... .18
3-l -1. Focus adjustment ......................................................................................................................................... 18
3-2. SIGNAL SYSTEM ADJUSTMENT .......................................................................................................................... 19
3-2-l. White balance adjustment (R804R, G, B, R843, R874) .............................................................................. .19
3-2-2. Sub brightness adjustment (R325). ............................................................................................................. .19
3-2-3. Sub picture adjustment (R502, R505, R506) .............................................................................................. .20
3-2-4. Surround operation check ............................................................................................................................ 20
3-2-4-l. Surround off check ....................................................................................................................... 20
3-2-4-2. Surround off/monaural check ....................................................................................................... .20
3-2-4-3. Matrix surround check .................................................................................................................. .20
3-2-4-4. Matrix surround/monaural check .................................................................................................. .20
3-2-4-5. Hall surround check.. .................................................................................................................... .20
3-2-4-6. Hall surround/monaural check.. .................................................................................................... .21
3-2-4-7. Dolby surround check.. ................................................................................................................. .21
3-2-4-8. Dolby surround/monaural check.. .................................................................................................. 21
3-2-5. Shoot balance adjustment (R333) ............................................................................................................... .21
3-2-6. Horizontal AFC adjustment (R367) .............................................................................................................. 21
3-3. DEFLECTION SYSTEM ADJUSTMENT ................................................................................................................ .21
3-3-l. Raster inclinations adjustment (Deflection yoke) ......................................................................................... 21
3-3-2. Raster position adjustment (centering magnet) ........................................................................................... 22
3-3-3. Size adjustment.. .......................................................................................................................................... 22
3-3-3-l . Vertical size adjustment (R612) .................................................................................................... .22
3-3-3-2. Horizontal size adjustment (R649) ................................................................................................ 22
3-3-4. Focus adjustment ......................................................................................................................................... 23
3-3-4-l. Beam alignment (2-pole magnets) ................................................................................................ 23
3-3-4-2. Beam shape adjustment (4-pole magnets) ................................................................................... 23
3-3-4-3. Static focus adjustment (Focus pack) .......................................................................................... .23
3-3-5. Blue defocus adjustment .............................................................................................................................. 23
3-4. CONVERGENCE ADJUSTMENT ........................................................................................................................... 24
3-4-l . Static convergence adjustment ................................................................................................................... .24
3-4-2. Digital convergence adjustment .................................................................................................................. .24
3-4-2-l . Phase adjustment .......................................................................................................................... 25
3-4-4-2. Raster position adjustment ........................................................................................................... .25
3-4-2-3. Convergence point adjustment ..................................................................................................... .25
3-4-3. Digital convergence remote control.. ........................................................................................................... .26
4. ADJUSTMENT POINT .................................................................................................................................................... 27
4-l. CRT (R)(G)(B), CABINET LOCATIONS ................................................................................................................. .27
4-2. MAIN CHASSIS (SIGNAL, POWER/DEFLECTION P.W.B.). .................................................................................. 28
4-3. CPT (R)(G)(B), CONTROL P.W.B., FOCUS PACK ................................................................................................ 29 |
ACEC
