Sony TRINITRON KV-20FS120 Service Manual. LED TV Sony KV-20FS120 Operating Instructions Manual. Fd trinitron wega series flat screen tv (41 pages). Conecte el cable coaxial de la antena del televisor o del servicio de cable a la toma IN de la videograbadora.
. HISTORY INFORMATION FOR THE FOLLOWING MANUAL: BA-6 SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO. KV-27FS120 RM-Y195 SCC-S61N-A KV-27FS120 RM-Y195 CANADA SCC-S59J-A KV-29FA310 RM-Y180 LATIN NORTH SCC-S60V-A KV-29FA310 RM-Y180 LATIN SOUTH SCC-S60W-A KV-29FS120 RM-Y195 LATIN NORTH SCC-S73D-A KV-29FS120 RM-Y195 LATIN SOUTH SCC-S73E-A. Self Diagnosis Supported model BA-6 SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO. KV-27FS120 RM-Y195 SCC-S61N-A KV-27FS120 RM-Y195 CANADA SCC-S59J-A KV-29FA310 RM-Y180 LATIN NORTH SCC-S60V-A KV-29FA310 RM-Y180 LATIN SOUTH SCC-S60W-A KV-29FS120 RM-Y195 LATIN NORTH SCC-S73D-A KV-29FS120 RM-Y195 LATIN SOUTH SCC-S73E-A KV-27FS120 KV-29FA310. KV-27FS120/29FA310/29FS120 TABLE OF CONTENTS SECTION TITLE PAGE Specifi cations.
4 Warnings and Cautions.5 Safety Check-Out.6 Self-Diagnostic Function.7 SECTION 1: DISASSEMBLY.9 1-1. Rear Cover Removal (All Except KV-29FA310). Rear Cover Removal (KV-29FA310 Only). Two Size AA (R6) Batteries SRS (SOUND RETRIEVAL SYSTEM) SRS (SOUND RETRIEVAL SYSTEM) is manufactured by Sony Corporation under license from SRS Labs, Inc. It is covered by U.S.
And foreign patents pending. The word ‘SRS’ and the SRS symbol are registered trade- ©. Ne les remplacer que par des composants Sony dont le numero de piece est indique dans le present manuel ou dans des supplements publies par Sony. Les reglages de circuit dont l’importance est critique pour la securite du fonctionnement sont identifi. KV-27FS120/29FA310/29FS120 SAFETY CHECK-OUT The AC leakage from any exposed metal part to earth ground and After correcting the original service problem, perform the following from all exposed metal parts to any exposed metal part having a safety checks before releasing the set to the customer: return to chassis, must not exceed 0.5 mA (500 microamperes). KV-27FS120/29FA310/29FS120 Self Diagnosis SELF-DIAGNOSTIC FUNCTION Supported model The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER LED will automatically begin to fl ash.
The number of times the LED fl ashes translates to a probable source of the problem. A defi nition of the STANDBY/TIMER LED fl ash indicators is listed in the instruction manual for the user’s knowledge and reference. KV-27FS120/29FA310/29FS120 Self-Diagnostic Screen Display For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confi rmed, it is possible to bring up past occurrences of failure on the screen for confi rmation. To Bring Up Screen Test In standby mode, press buttons on the Remote Commander sequentially, in rapid succession, as shown below: Display. KV-27FS120/29FA310/29FS120 SECTION 1: DISASSEMBLY 1-1.
REAR COVER REMOVAL (ALL EXCEPT KV-29FA310) Screws +BVTP 4X16 TYPE2 TT(B) Rear Cover Screws +BVTP 4X16 TYPE2 TT(B) Screws +BVTP 4X16 TYPE2 TT(B) Screws +BVTP 4X16 TYPE2 TT(B) Screws +BVTP 3X12 TYPE2 TT(B) 1-2. REAR COVER REMOVAL (KV-29FA310 ONLY) Screws +BVTP 4X16 TYPE2 IT3 Rear Cover Screws +BVTP 4X16 TYPE2 IT3. KV-27FS120/29FA310/29FS120 1-3. CHASSIS ASSEMBLY REMOVAL (ALL EXCEPT KV-29FA310) Claw Chassis Assembly 1-4.
CHASSIS ASSEMBLY REMOVAL (KV-29FA310 ONLY) Claw Chassis Assembly KV-27FS120/29FA310/29FS120. KV-27FS120/29FA310/29FS120 Press on catch tab to release A Board. Disconnect cables as needed to allow A Board to be removed. CW Board GD Board HU Board A Board KV-27FS120/29FA310/29FS120. KV-27FS120/29FA310/29FS120 1-7. PICTURE TUBE REMOVAL WARNING: BEFORE REMOVING THE ANODE CAP High voltage remains in the CRT even after the power is disconnected. To avoid electric shock, discharge CRT before attempting to remove the anode cap.
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Short between anode and CRT coated earth ground strap. KV-27FS120/29FA310/29FS120 SECTION 2: SET-UP ADJUSTMENTS The following adjustments should be made when a complete Perform the adjustments in order as follows: realignment is required or a new picture tube is installed. Beam Landing Convergence These adjustments should be performed with rated power supply Focus voltage unless otherwise noted. KV-27FS120/29FA310/29FS120 Horizontal Static Convergence 2-2. CONVERGENCE If the blue dot does not converge with the red and green dots, perform Before starting convergence adjustments: the following: 1 Perform FOCUS, VLIN and VSIZE adjustments. Move H STAT VR magnet (a) to correct insuffi cient H.Static 2. KV-27FS120/29FA310/29FS120 Dynamic Convergence Adjustment Before performing this adjustment, perform Horizontal and Vertical Static Convergence Adjustment.
Slightly loosen defl ection yoke screw. Remove defl ection yoke spacers. (R)(B) (B)(R) TLH- 3. Move the defl ection yoke for best convergence as shown below: 4. KV-27FS120/29FA310/29FS120 2-4. SCREEN (G2) 2-6. WHITE BALANCE ADJUSTMENTS 1.
Input a dot pattern. Set the PICTURE and BRIGHTNESS controls at minimum and 1. Input an entire white signal with burst. COLOR control at normal. Set to Service Adjustment Mode.
KV-27FS120/29FA310/29FS120 SECTION 3: SAFETY RELATED ADJUSTMENTS 3-1. R564 CONFIRMATION METHOD Hold-Down Readjustment (HV HOLD-DOWN CONFIRMATION) AND If the setting indicated in Step 2 of Hold-Down Operation Confi rmation READJUSTMENTS cannot be met, readjustment should be performed by altering the resistance value of R564 component marked with The following adjustments should always be performed when replacing the following components which are marked with on the schematic. KV-27FS120/29FA310/29FS120 FIGURE 1 POWER DIGITAL SUPPLY MULTIMETER 1SS119 X R564 C566 TP23 AMMETER 3mA dc range KV-27FS120/29FA310/29FS120. KV-27FS120/29FA310/29FS120 SECTION 4: CIRCUIT ADJUSTMENTS Electrical AdjustmenTs by Remote Commander Use the Remote Commander (RM-Y180, RM-Y195) to perform the circuit adjustments in this section. Test Equipment Required: 1.
Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator 4-2. MEMORY WRITE CONFIRMATION 4-1.
KV-27FS120/29FA310/29FS120 4-4. SERVICE DATA LISTS NTSC Service Fix/ Name Description Init Group Data VERSION Microprocessor version information H-SIZE ( EW DC: YUV OFFSET ) HSIZ HPOS H POSITION: YUV OFFSET VSIZ V RAMP SIZE: YUV OFFSET VPOS V POSITION (RAMP DC) NOT USEFUL: YUV OFFSET VLIN V LINEARITY SCOR. KV-27FS120/29FA310/29FS120 NTSC Service Fix/ Name Item name & ( Description ) Init Group Data VSIZ V RAMP SIZE VPOS V POSITION ( RAMP DC ) VLIN V LINEARITY SCOR S CORRECTION TRAP EW TRAPESIUM PAMP PARABOLA ( EW PIN ) UPIN UPPER CORNER ( UPPER PIN ) LPIN. KV-27FS120/29FA310/29FS120 NTSC Service Fix/ Name Item name & ( Description ) Init Video 16:09 Group Data RDRV R DRIVE GDRV G DRIVE: GDOF OFFSET ( only Color Temp. 'Warm') BDRV B DRIVE: BDOF OFFSET ( only Color Temp. 'Warm') RCUT HARDWARE AKB (R) CMP DATA GCUT HARDWARE AKB (G) CMP DATA HARDWARE AKB (B) CMP DATA.
KV-27FS120/29FA310/29FS120 NTSC Service Fix/ Name Item name & ( Description ) Init Video 16:09 Group Data VMOF VM GAIN(Off) ( VM LEVEL AT 'OFF' SETTING ) VM GAIN(Low) ( VM LEVEL AT 'LOW' SETTING ) VMLO VMHI VM GAIN(High) ( VM LEVEL AT 'HIGH'SETTING ) VMDL VM DELAY ( VM DELAY ) VMPL. KV-27FS120/29FA310/29FS120 NTSC Service Fix/ Name Item name & ( Description ) Init Group Data SCOL SUB COLOR LEVEL SHARPNESS CORING LEVEL SHCL SHMX SHARPNESS LIMITER LEVEL YNRC YNR LIMITER LEVEL VMHI VM LEVEL AT ' HIGH ' SETTING VMCL VM CORING LEVEL VMMX VM LIMITER LEVEL VAMX. KV-27FS120/29FA310/29FS120 NTSC Service Fix/ Name Item name & ( Description ) Init Group Data YNRS YNR SW ( YNR ON) YTHR Y THR 2D ( Y SIGNAL THROUGH 2DYCS ) Y2D Fix ( Y SIGNAL GENERATE from 2DYCS ) 2DFX C BPF Fix ( C SIGNAL GENERATE from H/V BPF only CLAMP CONTROL SW ( 0: CLAMP OFF.
KV-27FS120/29FA310/29FS120 NTSC Service Fix/ Name Item name & ( Description ) Group Init Video 16:09 Data AMUT RGB POWER ON MUTE ( RGB POWER ON MUTE ) PMUT RGB Mute before OSD ( RGB MUTE EXCEPT OSD CORL CUTOFF R L ( R CUTOFF LOWER ) CORH CUTOFF R H ( R CUTOFF UPPER ) CUTOFF G L ( G CUTOFF LOWER WHEN TEMP IS 'COOL'. KV-27FS120/29FA310/29FS120 NTSC Service Fix/ Name Item name & ( Description ) Init Video 16:09 Group Data HFFR AFC FREE RUN ( AFC1 FORCE FREE RUN ) HFREE UP ( H FREE RUN FREQUENCY UP 700 Hz HFUP JSWW VJP WIDTH ( JUMP PULSE WIDTH ) EWCL V/EW DAC CLK CONTROL ( EW/VRAMP DA CLOCK SELECT ). KV-27FS120/29FA310/29FS120 NTSC Service Fix/ Name Item name & ( Description ) Init Video 16:09 Group Data VSSW SYNC SLICE LVL(V)W ( SYNC SLICE LEVEL V Wide Window AF2S AFC2SEL ( ADC2 TIMING SW ) VSL2 VSYNCLPF2 ( DIGITAL VSINCLPF Fall ) VSYNCLPF1 ( DIGITAL VSINCLPF Rise ) VSL1 VYUV. KV-27FS120/29FA310/29FS120 NTSC Service Fix/ Name Item name & ( Description ) Init Group Data HRIL H/W AKB R INI DATA L ( H/W AKB RED OUTPUT LOWER ) soft cont'l H/W AKB R INI DATA H ( H/W AKB RED OUTPUT UPPER ) HRIH soft cont'l HGIL. KV-27FS120/29FA310/29FS120 NTSC Service Fix/ Name Item name & ( Description ) 29FA310 27FS120 Group SBAL SBAL ( SUB BALANCE ) SBAS SBAS ( SUB BASS ) STRE STRE ( SUB TREBLE ) SRL ( SURROUND LEVEL ) BBOL BBOL ( SURROUND OFF-BBE LOW ) BBOH BBOH ( SURROUND OFF-BBE HIGH) BBSL BBSL ( SIMULATE BBE LOW ).
KV-27FS120/29FA310/29FS120 NTSC Service Fix/ Name Item name & ( Description ) Init Group Data DISP DISP ( OSD HORIZONTAL OFFSET ) CCHP CCHP ( FOR TILT DATA CALCULATION ) HRLW ( LOW LIMIT OF H-PULSE COUNTING WINDOW RF HRLW HRLG ( HIGH LIMIT OF H-PULSE COUNTING WINDOW RF HRHG. KV-27FS120/29FA310/29FS120 4-4.
ID MAP TABLE Model Destination ID-O ID-1 ID-2 ID-3 ID-4 ID-5 ID-6 ID-7 KV-27FS120 KV-27FS120 L NORTH KV-29FS120 KV-29FS120 L SOUTH KV-29FA310 L NORTH L SOUTH KV-29FA310 4-5. A BOARD ADJUSTMENTS 7. Adjust the value of SCON with 3 and 6 for 87 ± 2Vpp.
KV-27FS120/29FA310/29FS120 Sub Bright Adjustment (SBRT) H. Center Adjustment (HPOS) 1. Input a monoscope signal. Perform this adjustment after performing H. Frequency (Free Run) Check.
Activate the Service Adjustment Mode. Input a crosshatch signal. Set the PICTURE and BRIGHTNESS to minimum. KV-27FS120/29FA310/29FS120 V.
Angle (VANG), V. Bow (VBOW), Upper PIN (UPIN) and Low PIN (LPIN) Adjustments 1. Input a crosshatch signal. Activate the Service Adjustment Mode. Select VANG, VBOW, UPIN, and LPIN with 1 and 4. Adjust with 3 and 6 for the best picture.
KV-27FS120/29FA310/29FS120 SECTION 5: DIAGRAMS The components identifi ed by shading and symbol are critical 5-1. CIRCUIT BOARDS LOCATION for safety. Replace only with part number specifi ed. KV-27FS120 Pictured The symbol indicates a fast operating fuse and is CW Board displayed on the component side of the board. KV-27FS120/29FA310/29FS120 5.3. BLOCK DIAGRAM AND SCHEMATICS Communication Picture Signal Picture Signal Sound Signal Sound Signal Tuning Related Tuning Related Antena Antenna Control Lines Control Lines Tilt Tilt Switch Switch Power Power Rotation Rotation Main Tuner Main Tuner ($C0) ($C0) Power Power Front Front. KV-27FS120/29FA310/29FS120 A BOARD SCHEMATIC DIAGRAM A BOARD WAVEFORMS CN201 CN200 TO-CN2752 CWBOARD CN301 CN003 3.2 Vp-p (H) 1.2 Vp-p (H) 0.9 Vp-p (H) 2.1 Vp-p (H) — FOR JIG J203 TU101 BTF-WA421 VIDEO3/VIDEO4 VIDEO 1 STEREO D237 TP100 AUDIO OUT VAR/FIX J202 FB301 RD9.1EW.
KV-27FS120/29FA310/29FS120 TUNING CONTROL, Y/C/J, POWER SUPPLY, TUNER/IF, DEFLECTION, AUDIO, MTS TUNING CONTROL, Y/C/J, POWER SUPPLY, TUNER/IF, DEFLECTION, AUDIO, MTS COMPONENT SIDE CONDUCTOR SIDE A BOARD LOCATOR LIST CONDUCTOR SIDE DIODE D230 D507 D603 IC002 Q303 Q522 D002 D231 D508 D604 IC003 Q304 Q531. KV-27FS120/29FA310/29FS120 CW BOARD SCHEMATIC DIAGRAM CN2753 27V: TIGER — R2760 TO A BOARD C2752 T585(FBT) 0.0047 KR G1 R2761 Q3761 2SD601A-QR CN2755 CW BOARD WAVEFORMS — BUFFER Q3762 J2751 R3763 2SD601A-QR R3762 BUFFER R2762 1/10W 1/16W D3763 Q3763 MA111-TX G1-1 2SD601A-QR BUFFER R3760. KV-27FS120/29FA310/29FS120 D BOARD SCHEMATIC DIAGRAM (ALL EXCEPT KV-29FA310) CW BOARD IC VOLTAGE LIST IC3701 VOLT CN506 TO A BOARD -15.0 135V — 15.0 R1851 C1820 IC2751 R1852 6.8k 0.47 6.8k 160V VOLT CN1800 R1853 TO A BOARD 5.0MM — (FOR DF) C1818 1000pF C1819.
KV-27FS120/29FA310/29FS120 HS BOARD SCHEMATIC DIAGRAM (ALL EXCEPT KV-29FA310) V BOARD SCHEMATIC DIAGRAM FRONT VIDEO2 TO A BOARD L2802 10mH D2806 CN004 1SS133T-77 CN1005 J1231 R2876 C1238 R1234 CN2902 — — 1/10W VIDEO 2 R2819 D1233 Q2808 Q.P.- RD9.1EW-T1 1/10W C2811 KTB764 GND01 OP OUT. KV-27FS120/29FA310/29FS120 RGB DRIVE, CRT DRIVE, VELOCITY MODULATION DEFLECTION (ALL EXCEPT KV-29FA310) IR DETECTOR, FRONT VIDEO2 (ALL EXCEPT KV-29FA310) VELOCITY MODULATION COMPONENT SIDE KV-27FS120/29FA310/29FS120. KV-27FS120/29FA310/29FS120 RGB DRIVE, CRT DRIVE, VELOCITY MODULATION DEFLECTION FRONT A/V, MENU KEY, IR DETECTOR (ALL EXCEPT KV-29FA310) VELOCITY MODULATION CONDUCTOR SIDE KV-27FS120/29FA310/29FS120.
KV-27FS120/29FA310/29FS120 GD BOARD SCHEMATIC DIAGRAM (KV-29FA310 ONLY) R1615 1/2W — L1600 JW1600 C1680 12.5MM 2.2m TO-CN601-A BOARD CN1600 JW1601 12.5MM AC/DC+ AC/DC- R1629 R1630 R1626 R1627 470k 470k 8.2k FB1616 R1640 C1620 FB1617 1.1UH 0.01 1.1UH — 1/4W FB1602 1.1UH VSENSE IC1600 R1625. KV-27FS120/29FA310/29FS120 GD BOARD IC VOLTAGE LIST POWER SUPPLY, DEFLECTION IC1600 IC1601 COMPONENT SIDE (KV-29FA310 ONLY) VOLT VOLT 133.7 11.3 All voltages are in V. 17.2 10.4 163.6 153.5 157.6 340.0 GD BOARD TRANSISTOR VOLTAGE LIST Q1600 313.0 160.0 156.0 Q1601 155.0 Q1810 59.7.
KV-27FS120/29FA310/29FS120 POWER SUPPLY, DEFLECTION CONDUCTOR SIDE (KV-29FA310 ONLY) KV-27FS120/29FA310/29FS120. KV-27FS120/29FA310/29FS120 HR BOARD SCHEMATIC DIAGRAM (KV-29FA310 ONLY) IC3001 SBX3071-71 DETECTOR — CN3001 6P L TYPE BOTTOM BEZNET:S-MICRO D3001 MTZJ-T-77-5.6B D3002 TO A BOARD LNJ801LPDJA R3001 CN002 TIMER LED — TIMER LED MPWR LED C3001 STBY 5V SIRCS POWER ON R3014 —. KV-27FS120/29FA310/29FS120 SIRC, LEDS, MAIN POWER BUTTON SIRC, LEDS, MAIN POWER BUTTON CONDUCTOR SIDE (KV-29FA310 ONLY) COMPONENT SIDE (KV-29FA310 ONLY) PF-LP.