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KV-27FV15/29FV10/29FV15/29FV15C/29FV15K

3-3.  FOCUS

1.

 Input Monoscope signal.

2.

 Set user controls to normal.

3.

 Set Video mode to STANDARD.

4.

Set the PICTURE to maximum.

5.

Adjust FOCUS control for best picture at 325 MARK.

3-4.  SCREEN (G2)

1.

 Input signal from the pattern generator.

2.

 Set the user controls to NORMAL.

3.

 Attach the G2-Jig to the C Board.

4.

Adjust RCUT, GCUT, BCUT, and SBRT in service
mode with an oscilloscope so that voltages on the red,
green, and blue cathodes are 170 + 2 V DC.

5.

Observe the screen and adjust SCREEN (G2) VR to
obtain the fairly visible background of dot signal.

6.

Push the TEST +JUMP (+ Channel) to cut off the signal,
thenthe screen is bright or dark. Brightness of raster
must be increased when adjusting.

7.

Adjust screen VR until the screen is just cut off, or
scarcely lights up. A signal cannot be seen when the
brightness of the raster is high.

8.

Push the JUMP again to release the cut off.

3-5.  WHITE BALANCE ADJUSTMENTS

NO.

Disp.

Item

      All Models

24

RDRV

Red Drive

31

25

GDRV

Green Drive

31

26

BDRV

Blue Drive

31

27

RCUT

Red Cut-off

7

28

GCUT

Green Cut-off

7

29

BCUT

Blue Cut-off

7

38

SBRT

Sub Bright

7

1.

Input an entire white signal.

2.

Set to Service adjustment Mode.

3.

Set DCOL to "0"

4.

Set the PICTURE and BRIGHT to minimum.

5.

Adjust with SBRT if necessary.

6.

Select GCUT and BCUT with 

1

 and 

4

.

7.

Adjust with 

3

 and  

6

  for the best white balance.

8.

Set the PICTURE and BRIGHT to maximum.

9.

Select GDRV and BDRV with 

1

 and 

4

.

10. Adjust with 

3

 and  

6

  for the best white balance.

11. Reset DCOL to "1".

12. Write into the memory by pressing 

  then

 **.

325 MARK

LION MARK

35 MARK

35

325

NN

NN

pedestal

NN

GND

 170 + 2 Vdc

Summary of Contents for TRINITRON KV-27FV15

Page 1: ...DEST COMMANDER CHASSIS NO KV 27FV15 U S RM Y171 SCC S32A A KV 27FV15 CND RM Y171 SCC S33A A KV 29FV10 E RM Y168 SCC S34D A KV 29FV15 E RM Y171 SCC S34A A KV 29FV15C E RM Y171 SCC S34C A KV 29FV15K KOREA RM Y149A SCC S31A A KV 29FV15 SERVICE MANUAL CHASSIS AA 2W RM Y171 ...

Page 2: ... 75 ohms 3 500 mVrms 100 modulation Impedance 47 kilohms 4 More than 408 mVrms at the maximum volume setting variable More than 408 mVrms fix Impedance Output 2 kilohms All Models Except KV 29FV10 KV 29FV10 Power requirements 120V 60Hz KV 27FV15 Only Auto Volt Auto Volt Number of inputs outputs Video 1 3 3 S Video 2 2 2 Audio 3 3 3 Audio Out 4 1 1 Monitor Out 1 1 TV Out 1 3 1 S Link 2 RF Input 2 1...

Page 3: ...THE AC POWER LINE SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY SHADING AND MARK ON THE SCHEMATIC DIAGRAMS EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL FOR SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY CIRCUIT ADJUSTMENTS THAT ARE CRITICAL FOR SAFE OPERATION ARE IDENTIFIED IN THIS MANUA...

Page 4: ...laced all the insulators 4 Look for unauthorized replacement parts particularly transistors that were installed during a previous repair Point them out to the customer and recommend their replacement 5 Look for parts which though functioning show obvious signs of deterioration Point them out to the customer and recommend their replacement 6 Check the line cords for cracks and abrasion Recommend th...

Page 5: ...ls that require a cable box to view all channels Cable box 1 Connect the coaxial connector from your cable to the IN on your cable box 2 Using a coaxial cable connect OUT on your cable box to VHF UHF on your TV Cable box and cable For this set up you can switch between scrambled channels through your cable box and normal CATV channels by pressing ANT on your remote control Notes Your Sony remote c...

Page 6: ...imum picture quality use S VIDEO instead of the yellow A V cable S Video does not provide sound your audio connectors must still be connected Pressing TV VIDEO on the remote control will allow you to view from the satellite receiver or VCR 9 Additional Connections Connecting an audio system For an enhanced sound connect your audio system to your TV 1 Using AUDIO connectors connect AUDIO OUT on you...

Page 7: ...ar of TV Satellite receiver The S Link connector must be in the same VIDEO IN column as the connected A V cables 12 Inserting batteries Insert two size AA R6 batteries supplied by matching the and on the batteries to the diagram inside the battery compartment Notes Remove the batteries to avoid damage from possible battery leakage whenever you anticipate that the remote control will not be used fo...

Page 8: ...sound Changes the channel in the window picture Moves the location of the window picture Press to freeze the window picture Press again to restore the picture Switches the position of the main picture with the window picture Use the Yellow Labeled Buttons for PIP Operations Using Picture in Picture PIP KV 27FV15 32FV15 36FV15 only These models are equipped with dual tuners This means that PIP is r...

Page 9: ...HUE SHARPNESS Move Exit MENU Select TRINITONE HIGH COLOR CORRECT OFF MENU B To select the VIDEO menu MENU Display Highlight Select Adjustment bars 20 Using the AUDIO menu AUDIO TREBLE BASS BALANCE AUTO VOLUME OFF MTS STEREO SPEAKER ON AUDIO OUT VARIABLE MENU Move Exit MENU Select B EFFECT OFF To select the AUDIO menu MENU Display Highlight Select Tips z Press to cycle through your AUDIO options Pr...

Page 10: ...e OFF Select if you are using an antenna You will need to run AUTO PROGRAM after changing your CABLE settings 2 6 Select when you want to control all channel selection through a cable box Select the appropriate channel number usually 3 or 4 and use the cable box s remote control for selection AUX 2 6 Select when a cable box is connected to the AUX input see page 4 Press the AUX button to alternate...

Page 11: ...plify the rating selection The following maximum ratings will be allowed CHILD TV Y TV G G U S models only TV Y G Canadian models only YOUTH TV PG PG U S models only TV PG PG 8 ans Canadian models only YOUNG ADULT TV 14 PG 13 U S models only TV 14 14 13 ans Canadian models only CUSTOM If you prefer to set more restrictive ratings highlight CUSTOM and press See pages 25 26 for an overview of the ra...

Page 12: ...han a few seconds TV makes a noise when turned on Screen is not lit and there is no sound Poor or no picture screen lit good sound Good picture no sound No color Only snow and noise appear on the screen Your TV may need service This is a normal function of your TV Power cord may not be plugged in Remote control batteries may not be inserted correctly TV VIDEO setting may be incorrect Current progr...

Page 13: ... both sides B R G Perform the adjustments in order as follows 1 Beam Landing 2 Convergence 3 Focus 4 Screen G2 White Balance Note Test Equipment Required 1 Color Bar Pattern Generator 2 Degausser 3 DC Power Supply 4 Digital Multimeter 5 Oscilloscope 6 CRT Analyzer 5 Move the deflection yoke forward and adjust so that the entire screen becomes green 6 Switch over the raster signal to red and blue a...

Page 14: ...ns resulting from moving each magnet interact so perform adjustment while tracking Use the VSTAT tabs to adjust the red green and blue dots so they line up at the center of the screen move the dots in a horizontal direction R G B R G B R G B R G B R G B R G B Y Separation Axis Correction Magnet Adjustment 1 Input cross hatch pattern adjust PICTURE to minimum and BRIGHTNESS to normal 2 Adjust the d...

Page 15: ... Screen corner Convergence Affix a permalloy assembly corresponding to the misconverged areas a b c d b a d c a d screen corner misconvergence B R R B R B B R TLH TLH TLH Plate YCH RV1750 V STAT XCV C Board V Board TLV TLV 4 TLH Plate Adjustment Input crosshatch pattern Adjust PICTURE QUALITY to standard PICTURE and BRIGHTNESS to 50 and OTHER to standard Adjust the Horizontal Convergence of red an...

Page 16: ... when adjusting 7 Adjust screen VR until the screen is just cut off or scarcely lights up A signal cannot be seen when the brightness of the raster is high 8 Push the JUMP again to release the cut off 3 5 WHITE BALANCE ADJUSTMENTS NO Disp Item All Models 24 RDRV Red Drive 31 25 GDRV Green Drive 31 26 BDRV Blue Drive 31 27 RCUT Red Cut off 7 28 GCUT Green Cut off 7 29 BCUT Blue Cut off 7 38 SBRT Su...

Page 17: ...nts when replacing the following components marked with on the schematic diagram G BOARD KV 27FV15 IC643 R661 GA BOARD KV 27FV15 Excluded IC6003 R6088 1 Using Variac apply AC input voltage 130 0 2 0 VAC 2 Input a monoscope signal 3 Set the PICTURE control and the BRIGHT control to initial reset value 4a KV 27FV15 Only Confirm the voltage of G Board CN641 between pin 1 to ground on G PWB is less th...

Page 18: ...on to exit Adjust Buttons and Indicator 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 WARNING Do NOT turn off the power or AC immediately after pressing then Wait at least 10 seconds SERVICE VP VPOS ...

Page 19: ... Output Drive Control 0 63 Adj 31 31 26 BDRV B Output Drive Control 0 63 Adj 31 31 27 RCUT R Output Cutoff Control 0 15 Adj 7 7 28 GCUT G Output Cutoff Control 0 15 Adj 7 7 29 BCUT B Output Cutoff Control 0 15 Adj 7 7 30 RDR4 Video 4 R Output Drive Control 0 63 Adj 31 31 31 GDR4 Video 4 G Output Drive Control 0 63 Adj 31 31 32 BDR4 Video 4 B Output Drive Control 0 63 Adj 31 31 33 RCU4 Video 4 R Ou...

Page 20: ...ence 0 3 Fix 1 2 81 EXAD Ext Ad Selected 0 1 Fix 0 1 82 PECS Standard 0 3 Fix 0 0 83 EXCS Use CSI Just In Case 0 3 Fix 1 1 84 CPP VTB 1 25VPP 0 3 Fix 2 0 85 HDP H Phase 0 µ sec 0 7 Fix 4 3 86 CDL Y C Delay 0 µ sec 0 7 Fix 1 4 87 DYCO Y Moving Coring 0 15 Fix 1 2 88 DYGA Y Moving Gain 0 15 Fix 12 10 89 DCCO C Moving Coring 0 15 Fix 2 2 90 DCGA C Moving Gain 0 15 Fix 12 9 91 YNRK Effect Small 0 1 Fi...

Page 21: ...5 Fix 0 3 141 HSSL H Slice Level 0 15 Fix 9 12 142 VSSL V Slice Level 0 15 Fix 3 8 143 BGPS Start Burst Gate 0 15 Fix 12 4 144 BGPW Width of Burst Gate 0 15 Fix 8 10 145 ADCL ADC Clock 0 3 Fix 1 3 146 ADPD ADC Power Down On 0 1 Fix 0 1 147 ADLT Standard 0 1 Fix 0 0 148 NRZO Check On 0 1 Fix A 0 149 FSCO Level Check On 0 1 Fix 0 0 150 VTVH Normal 0 3 Fix 2 0 151 TST2 Standard 0 1 Fix 1 0 152 HMEM U...

Page 22: ... Inset 0 15 Fix 15 15 197 PMVD P in P Siemens V Pulse Delay Main 0 31 Fix 11 11 198 PIVD P in P Siemens V Pulse Delay Inset 0 31 Fix 18 18 199 PCON P in P Siemens Contrast Level Inset 0 15 Fix 3 7 200 FRMY P in P Siemens Frame Y 0 15 Fix 10 10 201 CHRI P in P Siemens Chroma Input Polarity 0 1 Fix 0 0 202 CHRO P in P Siemens Chroma Output Polarity 0 1 Fix 0 0 203 MAT0 P in P Siemens MAT0 0 1 Fix 1 ...

Page 23: ...32 239 2COL Color 0 255 Fix 120 120 240 2SHU Sub Hue 0 31 Fix 15 15 D1 CXD2085 241 XJGL XJGLK 0 1 Fix 0 0 242 LNJ1 LNJ1 0 1 Fix 0 0 CC CXP85856A 243 CRIL CCD CRI Pulse Compare Data Low 0 15 Fix 2 2 244 CFLD CCD Caption Fixed Field Count 0 15 Fix 5 5 245 CCDI CCD No CCD Interrupt 0 7 Fix 3 3 246 CRIP CCD CRI Parity Error 0 7 Fix 4 4 247 CRIT CCD CRI Time Constant 0 3 Fix 3 0 248 CSB1 CCD Sync Slice...

Page 24: ...ADJUSTMENT SBRT 1 Set to Service adjustment Mode 2 Input a gray scale pattern signal 3 Set the PICTURE to minimum and BRIGHT to normal 4 Select SBRT with and 5 Adjust SUB BRIGHT level with and so that the stripe second from the right is faintly visible 6 Write into the memory by pressing then white black second from the right SUB CONTRAST ADJUSTMENT SCON 1 Input a 75 color bar signal 2 Set to VIDE...

Page 25: ...board and GND 5 Set to Service Mode and select MCOL MSHU main window and ICOL ISHU sub window with and H POSITION ADJUSTMENT HPOS Perform this adjustment after H FREQUENCY ADJ HFRE 1 Input a monoscope signal 2 Set the Service adjustment Mode 3 Select HPOS with and 4 Adjust with and for the best horizontal center 5 Write into the memory by pressing then H POSITION V LINEARITY VLIN V CORRECTION VSCO...

Page 26: ...ndow with and 5 Adjust with and for white balance 6 Write into the memory by pressing then NEED TO ADJUST AFTER MAIN PICTURE NOT P P W B ADJUST SUB WINDOW MAIN WINDOW 9300 degrees K 8 MPCD OSD POSITION ADJUSTMENT DISP 1 Input a color bar signal 2 Set to Service adjustment Mode 3 Select DISP with and 4 Adjust with and for the bar center 5 Write into the memory by pressing then ROTATION COIL ADJUSTM...

Page 27: ...KV 27FV15 29FV10 29FV15 29FV15C 29FV15K 31 32 33 SECTION 6 DIAGRAMS 6 1 BLOCK DIAGRAM 1 3 FOLDOUT 1 31 36 4 15 99 9 51 AM 1 ...

Page 28: ...KV 27FV15 29FV10 29FV15 29FV15C 29FV15K 34 35 36 6 2 BLOCK DIAGRAM 2 3 FOLDOUT 31 36 4 15 99 5 14 PM 2 ...

Page 29: ... a color bar signal input Readings are taken with a 10M digital multimeter Voltages are DC with respect to ground unless otherwise noted Voltage variations may be noted due to normal production tolerances All voltages are in V S Measurement impossibility B line v B line Actual measured value may be different signal path RF Circled numbers are waveform references Reference information RESISTOR RN M...

Page 30: ...8 H 3 D519 G 9 D520 F 2 D521 F 2 D522 G 2 D530 G 8 D531 G 9 D534 G 8 D535 G 3 D536 G 3 D561 H 7 D1003 E 10 D1004 E 10 D1101 A 7 D1102 B 11 D1103 A 12 D1104 A 7 IC IC001 B 2 IC002 C 2 IC355 D 5 IC501 G 2 IC561 G 6 IC1001 D 8 TRANSISTOR Q001 A 5 Q002 C 4 Q003 H 1 Q004 H 1 Q005 B 5 Q006 H 1 Q007 I 1 Q010 D 3 Q011 D 3 Q012 D 3 Q013 D 3 Q014 D 3 Q015 D 3 Q016 D 2 Q017 A 5 Q103 B 8 Q104 B 8 Q301 E 3 Q30...

Page 31: ...M 5 2SA1162 G 2SA1162 G 2SA1162 G Q104 M 4 2SD6O1A Q 2SD6O1A Q 2SD6O1A Q R106 L 5 22K 22K 22K R107 M 5 22K 22K 22K R108 L 4 22K 22K 22K R109 M 4 22K 22K 22K R386 J 2 1K 1K 1K TU102 D 3 8 598 431 00 8 598 431 00 8 598 431 00 8 598 475 00 A BOARD WAVEFORMS 1 2 5 6 9 10 13 14 17 18 3 7 11 15 19 4 8 12 16 1 9 Vp p H 4 1 Vp p 8 MHz 2 4 Vp p H 53 7 Vp p H 5 7 Vp p V 4 9 Vp p H 0 8 Vp p H 2 8 Vp p H 1 08...

Page 32: ... 2 2K R113 B 7 100K 100K 100K R114 B 7 1M 1M 1M R115 C 7 10K 10K 10K R116 C 8 10K 10K 10K R117 C 8 4 7K 4 7K 4 7K R118 A 7 470 470 470 R119 A 7 560 560 560 R1486 H 10 220 220 220 R1487 H 10 220 220 220 R1902 B 10 10K 10K 10K R1904 B 9 10K 10K 10K R1906 B 9 10K 10K 10K R1907 B 11 220 220 220 R2904 D 12 220 220 220 R2905 D 12 220 220 220 R2909 C 11 10K 10K 10K R2910 C 11 10K 10K 10K R2912 C 12 4 7K ...

Page 33: ...12 0 OUT 9 5 GND 0 4 C BOARD TRANSISTOR VOLTAGE LIST B C E Q1790 4 7 GND 4 4 All voltages are in V 51 52 1 A B C D E 2 3 4 5 6 7 8 9 10 11 AC RECT DC DC CONV LOW B REG G C BOARD WAVEFORMS 1 2 3 164 1 Vp p H 114 4 Vp p H 126 3 Vp p H G BOARD SCHEMATIC DIAGRAM G BOARD LOCATOR LIST DIODE IC D600 A 5 IC601 D 5 D601 A 8 IC622 A 8 D602 C 3 IC641 D 10 D603 B 7 IC643 B 8 D604 E 7 IC650 B 10 D605 A 8 IC651...

Page 34: ...D 4 D6051 J 6 D6011 P 4 D6052 I 4 D6012 E 3 IC D6013 D 3 IC6000 C 4 D6014 D 3 IC6001 B 3 D6015 C 2 IC6002 D 1 D6016 I 2 IC6003 F 1 D6017 H 5 IC6004 I 3 D6018 J 5 IC6005 H 2 D6019 H 5 IC6007 J 5 D6020 G 2 PHOTOCOUPLER D6021 I 6 PH6001 E 1 D6022 G 3 PH6002 F 3 D6023 G 3 TRANSISTOR D6024 G 3 Q6000 I 5 D6025 G 4 Q6001 D 4 D6028 H 2 Q6002 E 4 D6029 H 2 Q6003 H 3 D6030 G 2 Q6004 E 3 D6031 I 6 Q6005 F 3 ...

Page 35: ...ND 44 2 3 16 NC 46 GND 10 NC 16 5 0 45 5 0 17 4 6 47 NC 11 GND 17 0 3 46 5 0 18 0 48 GND 12 9 1 18 0 47 0 19 4 6 49 4 6 13 GND 19 0 3 48 0 20 4 6 50 4 7 14 4 5 20 0 All voltages are in V 21 4 6 51 4 6 15 4 5 21 5 0 22 4 6 52 4 7 16 9 1 22 5 0 23 4 6 53 4 6 IC2006 23 0 24 4 4 54 4 7 pin volt 24 0 25 NC 55 4 5 IN 9 1 25 0 26 NC 56 4 6 OUT 5 26 0 27 4 6 57 GND GND GND 27 5 0 28 4 6 58 4 6 UY MAIN BOA...

Page 36: ... Q3301 5 2 8 6 4 5 Q3302 0 0 0 7 Q3305 0 0 0 7 Q3306 0 6 0 1 2 Q3307 0 1 0 0 7 Q3310 0 4 9 GND Q3312 0 0 0 6 Q3314 4 6 0 5 2 Q3322 5 2 6 1 6 6 All voltages are in V UY BOARD LOCATOR LIST DIODE IC A B A B A B Q1051 D 1 D231 B 4 IC261 A 6 Q1201 A 2 D232 B 4 IC1051 D 7 Q1202 B 2 D233 B 4 IC2006 A 4 Q1203 D 6 D234 A 4 IC3302 D 1 Q1204 D 5 D235 B 4 IC3303 D 2 Q1205 A 5 D236 B 4 IC3304 C 3 Q1206 D 3 D23...

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