Sony TRINITRON KV-21FW150 Service Manual
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Sony TRINITRON KV-21FW150 Service Manual

Sony TRINITRON KV-21FW150 Service Manual

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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

SERVICE MANUAL

MODEL NAME
KV-21FW150
KV-21FW150
ORIGINAL MANUAL ISSUE DATE: 3/2007
REVISION DATE
3/2007
9-883-738-01
REMOTE COMMANDER
RM-YA005
LATIN NORTH
RM-YA005
LATIN SOUTH
SUBJECT
No revisions or updates are applicable at this time.
BX-1S
DESTINATION
CHASSIS NO.
SCC-S79W-A
SCC-S79X-A
®
TRINITRON
COLOR TELEVISION
CHASSIS

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Summary of Contents for Sony TRINITRON KV-21FW150

  • Page 1: Service Manual

    HISTORY INFORMATION FOR THE FOLLOWING MANUAL: BX-1S SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO. KV-21FW150 RM-YA005 LATIN NORTH SCC-S79W-A KV-21FW150 RM-YA005 LATIN SOUTH SCC-S79X-A ORIGINAL MANUAL ISSUE DATE: 3/2007 REVISION DATE SUBJECT 3/2007 No revisions or updates are applicable at this time.
  • Page 2 Self Diagnosis Supported model BX-1S SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO. KV-21FW150 RM-YA005 LATIN NORTH SCC-S79W-A KV-21FW150 RM-YA005 LATIN SOUTH SCC-S79X-A KV-21FW150 RM-YA005 ® TRINITRON COLOR TELEVISION 9-883-738-01...

  • Page 3: Table Of Contents

    KV-21FW150 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 ....................................9 1-2. Chassis Assembly Removal ..................................9 1-3.

  • Page 4: Specifi Cations

    Remote Commander RM-YA005 Two Size AA (R6) Batteries Converter EAC-25 Dipolo Antenna Trademarks and Copyrights As an ENERGY STAR® Partner, Sony Corporation has determined that this product meets the ENERGY STAR® guidelines for energy efficiency. ENERGY STAR® is a U.S. registered mark.

  • Page 5: Warnings And Cautions

    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 identifi ed in this manual. Follow these procedures whenever critical components are replaced or improper operation is suspected.

  • Page 6: Safety Check-Out

    KV-21FW150 SAFETY CHECK-OUT The AC leakage from any exposed metal part to earth ground and from After correcting the original service problem, perform the following all exposed metal parts to any exposed metal part having a return to safety checks before releasing the set to the customer: chassis, must not exceed 0.5 mA (500 microamperes).

  • Page 7: Self-Diagnostic Function

    KV-21FW150 Self Diagnosis SELF-DIAGNOSTIC FUNCTION Supported model The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY LED indicator 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 LED fl ash indicators is listed in the instruction manual for the user’s knowledge and reference.
  • Page 8 KV-21FW150 To Bring Up Screen Test In standby mode, press buttons on the Remote Commander sequentially, in rapid succession, as shown below: DISPLAY POWER Sound Volume - Channel 5 Note that this differs from entering the Service Mode (Sound Volume + ).

  • Page 9: Section 1: Disassembly

    KV-21FW150 SECTION 1: DISASSEMBLY 1-1. REAR COVER REMOVAL Remove 2 screws from the top of the Rear Cover. 2 Screws +BVTP 4x16 TYPE2 TT(B) Remove 3 screws from both sides of the Rear Cover. 6 Screws +BVTP 4x16 TYPE2 TT(B) Remove 1 screw from the bottom of the Rear Cover.

  • Page 10: Service Position

    KV-21FW150 1-3. SERVICE POSITION Rotate A Board. KV-21FW150...

  • Page 11: Picture Tube Removal

    KV-21FW150 1-4. 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. Short between anode and CRT coated earth ground strap.

  • Page 12: Section 2: Set-Up Adjustments

    KV-21FW150 SECTION 2: SET-UP ADJUSTMENTS The following adjustments should be made when a complete realignment Perform the adjustments in order as follows: is required or a new picture tube is installed. Beam Landing Convergence These adjustments should be performed with rated power supply voltage Focus unless otherwise noted.

  • Page 13: Convergence

    KV-21FW150 2-2. CONVERGENCE Horizontal Static Convergence Before starting convergence adjustments: If the blue dot does not converge with the red and green dots, use the 6 pole magnet to adjust as shown: Perform FOCUS, VLIN and VSIZE adjustments. Set BRIGHTNESS control to minimum.

  • Page 14: Focus

    KV-21FW150 Convergence Rough Adjustment Screen Corner Convergence Before performing this adjustment, perform Horizontal and Vertical Static Affi x a Piece A (90), Convergence Correct/Permaloy Assy Correction to Convergence Adjustment. the misconverged areas. Input cross hatch pattern. a) TLH Adjust the horizontal convergence of red and blue dots by inserting...

  • Page 15: Screen (G2)

    KV-21FW150 2-4. SCREEN (G2) Before beginning adustment procedure: -Set Picture and Brightness to “STANDARD”. -Set TV to Video mode. -Set WHBL 016 “RGBB” to 01 Connect R, G, B of the C Board cathode to oscilloscope. Adjust Brightness to obtain the cathode value to the value shown below: 165 ±...

  • Page 16: Section 3: Circuit Adjustments

    KV-21FW150 SECTION 3: CIRCUIT ADJUSTMENTS Electrical Adjustments by Remote Commander Use the Remote Commander (RM-YA005) perform the circuit adjustments in this section. Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator 3-1. REMOTE ADJUSTMENT BUTTONS AND INDICATORS...

  • Page 17: Accessing The Service Menu Mode

    KV-21FW150 3-2. ACCESSING THE SERVICE MENU MODE Use the remote commander to access the service meu mode and perform the following adjusments. Standby mode (Power off). Press the following buttons on the remote commander within a second of each other:...

  • Page 18: Confi Rming Service Adjustment Changes

    KV-21FW150 3-3. CONFIRMING SERVICE ADJUSTMENT 10. Set “PWL” and “BLBG” back to initial data. (“PWL”: 01h and “BLBG”: 00h) CHANGES 11. Press MUTING then 0 to write into memory. After completing adjustments, pull out the plug from the AC outlet, then replace the plug in the AC outlet again.

  • Page 19: Sub Bright Adjustment

    KV-21FW150 12. For single system model with NTSC 4.43, select TV channel with PAL 50Hz Normal Mode NTSC 4.43 and repeat items (3) to (8) Input PAL signal 50Hz in the Service Mode. Set Wide Mode to “OFF”. VB3 VB4 Perform the below adjustments using the “General Setting”...

  • Page 20: Service Data

    KV-21FW150 3-6. SERVICE DATA Functionality Function Initial Value Common (4:3) 50 (4:3) 60 (4:3) w50 (4:3) w60 Category Name GEOM HPOS Horizontal Shift (HS) HPAR Horizontal Parallelogram HBOW Horizontal Bow VLIN Vertical Linearity VSCR Vertical Scroll HSIZ EW Width (EW)
  • Page 21 KV-21FW150 Functionality Function Initial Value Pic mode 0 Pic mode 1 Col Temp 50pal(TV) 50pal(Video) Category Name (VIVID) (STANDARD) WHBL BKOR Black Level Offset R (OFB = 00), Offset B (OFB = 01) BKOG Black Level Offset G RDRV White Point R...
  • Page 22 KV-21FW150 Initial Value Functionality Function Common Video 50pal(TV) 50pal(Video) 50secam(TV) 50secam(Video) Category Name SADJ PMAX Picture Maximum SHUE Sub-Hue SSHP Sub-Sharpness SSHO Sub-Sharpness Offset (Intelligent Pic) SCOL Sub-Color SCOO Sub-Color Offset (Intelligent Pic) Picture Control [GA:0~100(valid); >100(invalid), Others:0~63(valid); ignore bit 6(invalid)] Color Control [GA:0~100(valid);...
  • Page 23 KV-21FW150 Functionality Function Initial Value Common Others PAL(TV) NTSC(TV) SECAM(TV) PAL(Video) Category Name PFRQ Peaking Center Frequency and Delay Ratio Pre & Over Shoot Ratio of Positive & Negative Peaks YDLY Y-Delay CMAT PAL-SECAM or NTSC (Japan/USA) Matrix Automatic Color Limiting...
  • Page 24 KV-21FW150 Functionality Function Initial Value Common (4:3) 50 (4:3) 60 Others Video Category Name SYNC Synchronization on YSYNC Input Phase 1 Time Constant Video Ident Mode Forced Slicing Level for Vertical Sync Slicing Level Sync Separator SVID Source Selection for Video Identification...
  • Page 25 RF Amp SN Level Drop Threshold LNEX RF Amp check SN Drop Timing CHTR Channel Threshold after Auto Prg to set RF Amp User Mode TUSO Sony Tuner used Functionality Function Initial Value Common Pic mode 0 Pic mode 1...
  • Page 26 KV-21FW150 Functionality Function Initial Value Common Video SRS/WOW Trusurround Category Name SDSP BBE Contour BBE Process BBLW BBE Contour Offset SVOF Surround /Effect Mode Volume Offset Decoder Level Adjust Mono Level Adjust Nicam Level Adjust SAP Level Adjust ADC Level Adjust...
  • Page 27 KV-21FW150 Functionality Function Initial Value Istereo Imono Category Name SDSP BBE Contour BBE Process BBLW BBE Contour Offset SVOF Surround /Effect Mode Volume Offset Decoder Level Adjust Mono Level Adjust Nicam Level Adjust SAP Level Adjust ADC Level Adjust Incredible Mono/Stereo Effect...
  • Page 28 KV-21FW150 Functionality Function Initial Value Functionality Function Initial Value Common (4:3) 50 (4:3) 60 Others Common Category Name Category Name OPTM ASHT auto shut off timer (data * 5 min) OPTB OPB1 Option 1 (System related) OSDB OSD brightness OPB2...

  • Page 29: Section 4: Diagrams

    KV-21FW150 SECTION 4: DIAGRAMS 4-1. CIRCUIT BOARDS LOCATION 4-2. PRINTED WIRING BOARD AND All voltages are in V. SCHEMATIC DIAGRAM INFORMATION S : Measurement impossibillity. : B+line. All capacitors are in μF unless otherwise noted. pF : μμF 50WV or less : B-line.

  • Page 30: Block Diagram

    KV-21FW150 4-3. BLOCK DIAGRAM SIGNAL FLOW BLOCK DIAGRAM P OW E R S UP P LY , AUDIO, DE F LE C T ION, T U101 T UNE R , J AC K IC 001 S C L S C L S Y S T E M C ONT R OLLE R , V IDE O &...

  • Page 31: Schematics And Supporting Information

    KV-21FW150 4-4. SCHEMATICS AND SUPPORTING INFORMATION A BOARD SCHEMATIC DIAGRAM (1 OF 6) A BOARD WAVEFORMS TO C BOARD CN701 CN004 — C005 C006 2.5 Vp-p (V) 5.4 Vp-p (H) 3.2 Vp-p (H) D066 PG102R R394 4 . 7 k...

  • Page 32: A Board Schematic Diagram (2 Of 6)

    KV-21FW150 A BOARD SCHEMATIC DIAGRAM (2 OF 6) TO SPEAKERS — CN200 — R244 1/10W R239 RN-CP C234 CHIP 470p 1608 C235 — 470p — C202 0 . 0 4 7 C217 R200 1000 C214 1000 RN-CP IC200 AN17804A R201 —...

  • Page 33: A Board Schematic Diagram (3 Of 6)

    KV-21FW150 A BOARD SCHEMATIC DIAGRAM (3 OF 6) — IC606 KIA78D33P1 3.3V REG C672 0 . 0 1 3 . 3 V C641 — A 3/6 1.8V REG BA18BC0FP-E2 IC607 D635 PDZ3.6B-115 1.8V_MAIN JW1665 POWER SUPPLY C685 C662 — 0 . 1...

  • Page 34: A Board Schematic Diagram (4 Of 6)

    KV-21FW150 A BOARD SCHEMATIC DIAGRAM (4 OF 6) A BOARD WAVEFORMS R311 R312 D062 RN-CP MM3Z5V6ST1 RN-CP R310 IC804 — AN15524A 3 . 3 V RN-CP V-OUT C884 R309 R8019 R8020 R313 470p 150k R305 R881 T801 1.40Vp-p 132.0Vp-p 660.0mVp-p...

  • Page 35: A Board Schematic Diagram (5 Of 6)

    KV-21FW150 A BOARD SCHEMATIC DIAGRAM (5 OF 6) — SWF100 SWF101 — C138 0 . 0 1 — JR1100 R106 TU101 8 . 2 k RN-CP L101 0.33uH — R108 C116 R128 4700p RN-CP CHIP C115 R103 R119 C111 0 . 0 1...

  • Page 36: A Board Schematic Diagram (6 Of 6)

    KV-21FW150 A BOARD SCHEMATIC DIAGRAM (6 OF 6) F O R J I G — CN904 JR1903 — CHIP TU-AGC B_INT B_DAT — B_CLK — — — — D1_JP/MODE2_EU/MONSW-MONO C975 1000p — L902 47uH W059 C956 D1_JP/MODE1_EU C979 — 1000p...
  • Page 37 KV-21FW150 [AUDIO-VIDEO PROCESSOR, MICRO, AUDIO, POWER SUPPLY, DEFLECTION, TUNER, TERMINAL BLOCK] [AUDIO-VIDEO PROCESSOR, MICRO, AUDIO, POWER SUPPLY, DEFLECTION, TUNER, TERMINAL BLOCK] COMPONENT SIDE CONDUCTOR SIDE A BOARD LOCATOR LIST DIODE DIODE DIODE DIODE TRANSISTOR D002 D103 D615 D819 IC001 Q200...

  • Page 38: C Board Schematic Diagram

    KV-21FW150 C BOARD SCHEMATIC DIAGRAM [CRT DRIVE, RGB DRIVE] COMPONENT SIDE C BOARD W AVEFORMS — J752 1.64V p-p (H) 1.66V p-p (H) 1.56V p-p (H) W700 — 108.3V p-p (H) 98.0V p-p (H) 98.0V p-p (H) — R773 1/2W...

  • Page 39: H1 Board Schematic Diagram

    KV-21FW150 H1 BOARD SCHEMATIC DIAGRAM TO A BOARD CN010 — CN001 R001 1/4W R002 R003 R004 R005 R006 1/4W 1/4W 1/4W 1/4W 1/4W PROGRAM + — VIDEO IN WEGA PROGRAM - VOL + V O L - GATE S006 S002...

  • Page 40: Semiconductors

    KV-21FW150 4-5. SEMICONDUCTORS 2SB709A-QRS-TX 2SB734-T-34 2SA1309A-QRSTA 2SC3840K 2SA1837 2SD601A-QRS-TX 2SC3209LK-TP 2SC3311A-QRSTA LETTER SIDE 2SD2144S-TP-UVW LETTER SIDE 2SA1091O-TPE2 IRF614 2SK2663 2SC4793 2SD2578-YB RU-1P ERA38-06TP1 ERB44-06TP1 RD9.1EW-T1 MA111-TX ERC06-15S ERA82-004TP5 UDZ-TE-17.5.1B 1SS83TD EGP20DPKG23 1SS133T-77 UDZ-TE-17.91B GP08DPKG23 MTZJ-T-77-5.1C CATHODE D1NS0R-TA CATHODE RGP10GPKG23 MTZJ-T-77-5.6C...

  • Page 41: Section 5: Exploded Views

    BEZNET ASSY (21FW) [2-6] A-1236-951-A A BOARD, COMPLETE 4-046-161-21 EMBLEM, SONY NO.8 (KV-21FW150 LATIN NORTH ONLY) 2-894-435-11 BUTTON, POWER (21FW) The high-voltage leads associated with the FBT on this 4-036-405-11 SPRING, COMPRESSION A Board are not included and must be ordered separately. [See 21-23]...

  • Page 42: Section 6: Electrical Parts List

    C026 1-126-947-11 ELECT 47μF C028 1-107-826-11 CERAMIC CHIP 0.1μF A-1236-951-A A BOARD, COMPLETE C029 1-126-925-91 ELECT 470μF (KV-21FW150 LATIN NORTH ONLY) C030 1-127-715-91 CERAMIC CHIP 0.22μF A-1237-988-A A BOARD, COMPLETE C036 1-126-933-11 ELECT 100μF (KV-21FW150 LATIN SOUTH ONLY) C037 1-126-963-11 ELECT 4.7μF...
  • Page 43 4700pF 250V C138 1-162-970-11 CERAMIC CHIP 0.01μF C602 1-165-538-31 FILM 0.1μF 275V C140 1-162-964-11 CERAMIC CHIP 0.001μF 10% (KV-21FW150 LATIN SOUTH ONLY) C605 1-161-830-00 CERAMIC 0.0047μF 99% 500V C200 1-100-507-91 CERAMIC CHIP 4.7μF 6.3V C606 1-161-830-00 CERAMIC 0.0047μF 99% 500V...
  • Page 44 VALUES REF. NO. PART NO. DESCRIPTION VALUES C623 1-162-964-11 CERAMIC CHIP 0.001μF 10% C807 1-162-964-11 CERAMIC CHIP 0.001μF 10% (KV-21FW150 LATIN NORTH ONLY) C808 1-102-244-00 CERAMIC 220pF 500V C623 1-162-966-11 CERAMIC CHIP 0.0022μF 10% (KV-21FW150 LATIN SOUTH ONLY) C809 1-162-964-11 CERAMIC CHIP 0.001μF 10%...
  • Page 45 DIODE 1A5G CN904 1-508-743-00 PIN, CONNECTOR D603 6-501-301-01 DIODE 1A5G D604 8-719-077-77 DIODE D3SB60F3 DIODE D605 8-719-109-85 DIODE RD5.1ESB2 (KV-21FW150 LATIN SOUTH ONLY) D002 8-719-404-50 DIODE MA111-TX D617 6-500-567-11 DIODE 10ERB20-TA2B5 D003 8-719-404-50 DIODE MA111-TX D618 6-500-567-11 DIODE 10ERB20-TA2B5 D023...
  • Page 46 6-710-021-01 CAT24C16WI-GT3 D819 6-500-567-31 DIODE 10ERB20-TB3 IC200 6-706-985-01 AN17808A D820 8-719-083-20 DIODE PG102R IC601 6-704-263-01 STR-F6267S LF1357 (KV-21FW150 LATIN NORTH ONLY) D821 6-500-567-31 DIODE 10ERB20-TB3 IC601 6-703-472-11 STR-F6264SLF1357 D823 8-719-074-25 DIODE PG104R (KV-21FW150 LATIN SOUTH ONLY) D824 8-719-074-25 DIODE PG104R...
  • Page 47 KV-21FW150 NOTE: The components identifi ed by shading mark are critical for safety. Replace only with part number specifi ed. REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES JR024 1-216-864-11 SHORT CHIP L005 1-414-856-11 INDUCTOR 10μH...
  • Page 48 1-216-809-11 METAL CHIP 1/10W Q605 6-550-572-01 TRANSISTOR FN155 R051 1-218-885-11 METAL CHIP 0.50% 1/10W R056 1-216-809-11 METAL CHIP 1/10W (KV-21FW150 LATIN SOUTH ONLY) R058 1-216-809-11 METAL CHIP 1/10W Q608 8-729-620-07 TRANSISTOR 2SC3052EF-T1-LEF Q609 8-729-620-07 TRANSISTOR 2SC3052EF-T1-LEF R060 1-216-809-11 METAL CHIP...
  • Page 49 R312 1-216-857-11 METAL CHIP 1/10W R612 1-215-429-00 METAL 2.2K 1/4W R313 1-216-847-11 METAL CHIP 150K 1/10W (KV-21FW150 LATIN SOUTH ONLY) R314 1-218-867-11 METAL CHIP 6.8K 0.50% 1/10W R315 1-218-867-11 METAL CHIP 6.8K 0.50% 1/10W R616 1-205-998-11 METAL (KV-21FW150 LATIN NORTH ONLY)
  • Page 50 R638 1-240-262-11 METAL 0.68 R861 1-216-825-11 METAL CHIP 2.2K 1/10W R864 1-218-865-11 METAL CHIP 5.6K 0.50% 1/10W (KV-21FW150 LATIN NORTH ONLY) R638 1-220-820-31 METAL R865 1-216-821-11 METAL CHIP 1/10W (KV-21FW150 LATIN SOUTH ONLY) R645 1-218-899-11 METAL CHIP 150K 0.50% 1/16W...
  • Page 51 KV-21FW150 NOTE: The components identifi ed by shading mark are critical for safety. Replace only with part number specifi ed. REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES R2647 1-249-429-11 CARBON 1/4W THERMISTOR R8009 1-218-867-11 METAL CHIP 6.8K...
  • Page 52 1/4W R002 1-215-405-00 METAL 1/4W R003 1-215-409-00 METAL 1/4W R004 1-215-413-00 METAL 1/4W R005 1-215-417-00 METAL 1/4W R006 1-215-421-00 METAL 1/4W Sony Corporation English Sony Technology Center 2007CJ74WEB-1 Printed in USA Technical Services 9-883-738-01 Service Promotion Department © 2007.3 KV-21FW150...
  • Page 53 In an effort to reduce the size of this pdf fi le the tiled schematics are not attached to this Service Manual. To receive a complete set of the tiled schematics for this manual please submit a request to: Service_Promotion@am.sony.com.

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