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Now downloading free:SONY BA-4D

SONY BA-4D free download

TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips

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File name:BA-4D.pdf
[preview BA-4D]
Size:451 kB
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Mfg:SONY
Model:BA-4D 🔎 BA4D
Original:BA-4D 🔎
Descr:Sony BA-4D SERVICE MODE
Group:Electronics > Consumer electronics > TV
Uploaded:01-05-2008
User:Bojilov
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Extracted files:1
File name BA-4D.pdf

Self Diagnosis Supported model SERVICE MANUAL MODEL NAME REMOTE COMMANDER DESTINATION BA-4D CHASSIS CHASSIS NO. KV-20S90 RM-Y155 US SCC-S27NA Trinitron KV-20S90 RM-Y155 TRINITRONŽ COLOR TELEVISION 9-965-905-01 KV-20S90 / 21SE43C SECTION 4: CIRCUIT ADJUSTMENTS ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER Use the Remote Commander (RM-Y155) to perform the circuit adjustments in this section. Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator 4-1. SETTING THE SERVICE ADJUSTMENT MODE 1. Standby mode (Power off). 2. Press the following buttons on the remote commander within a second of each other: Channel 5 Sound Volumne + Power Display 4-2. MEMORY WRITE CONFIRMATION METHOD 1. After adjustment, pull out the plug from the AC outlet, then replace the plug in the AC outlet again. 2. Turn the power switch ON and set to Service Mode. 3. Call the adjusted items again to confirm they were adjusted. SERVICE ADJUSTMENT MODE ON 1. The CRT displays the item being adjusted. Mode Display Item HSIZ Item Data 0 4-3. REMOTE ADJUSTMENT BUTTONS AND INDICATORS SERVICE MUTING (Enter into memory) POWER (Service Mode) DISPLAY 2. Press 1 or 4 on the Remote Commander to select the item. 3. Press 3 or 6 on the Remote Commander to change the data. 4. Press MUTING then ENTER to write into memory. (Service Mode) 1 Disp. (Item up) 2 (Device Item Up) 4 Disp. (Item down) 8 (Initialize) 3 Item (Data up) 6 Item (Data down) 5 (Device item down) SERVICE ADJUSTMENT MODE MEMORY Mode MUTING SERVICE WRITE Green ENTER (Enter into memory) 0 (Remove from memory) ENTER Red 1. Press 8 then ENTER on the Remote Commander to initialize. VOLUME (+) (Service Mode) Mode SERVICE RESET Carry out Step 1 when adjusting IDs 0-7 and when replacing and adjusting IC003 RM-Y155 2. Turn set off then on to exit service adjustment mode. -- 16 -- KV-20S90 / 21SE43C ADJUSTMENT ITEMS (1 OF 2) Reg # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 ITEM HSIZ HPOS VBOW VANG TRAP PAMP CPIN VSIZ VPOS VLIN SCOR VZOM EHT ASP SCRL HBLK LBLK RBLK VUSN HDW EWDC LVLN UVLN RDRV GDRV BDRV RCUT GCUT BCUT DCOL SHUE SCOL SBRT RON GON BON AXPL AXNT CBPF CTRP COFF KOFF SSHP SHPF PREL Y-DC GAMM VTH ABLM YDEL NCOL FUNCTION Horizontal Amp. Adjustment Horizontal Position Adjustment Vertical Line Bowing Adj. Vertical line Bowing Slant Adj. Horizontal Trapezoid Adj. Horizontal PIN Distortion Adj. SAME AS PAMP-SCRN TP/BTM Vertical Amp. Adjustment Vertical Position Adj. Vertical Linearity Adj. Vertical Amount Adj. Vertical Zooming Vertical High-Voltage Correction Aspect Ratio Control 16:9 CRT Z Mode Trans. Scroll RGB Out Width Control Left Screen HBLK Control RGT Screen HBLK Control V Saw Waveform Compress Horizontal Drive Pulse Width EW/ D.C. Adjustment Lower Screen BTM Vertical Line Adj. Upper Screen Top Vertical Line Adj. R Output Drive Control G Output D

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