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Sony KV-PF21L70 Service Manual
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Sony KV-PF21L70 Service Manual

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SERVICE MANUAL

MODEL
COMMANDER DEST.
KV-PF21L70
RM-952
KV-PF21M40
RM-952
KV-PF21M70
RM-952
KV-PF21M70
RM-952
KV-PF21P10
RM-952
KV-PF21P40
RM-952
KV-PF21P40
RM-952
KV-PF21P41
RM-952
KV-PF21Q70
RM-952
CHASSIS NO.
ME
SCC-U30B-A
GE
SCC-U12N-A
E
SCC-U13E-A
ME
SCC-U30C-A
OCE
SCC-U24D-A
Singapore
SCC-U29B-A
Malaysia
SCC-U21C-A
Malaysia
SCC-U21E-A
ME
SCC-U30A-A
BG-3S
MODEL
COMMANDER DEST. CHASSIS NO.
TRINITRON
Self Diagnosis
Supported model
CHASSIS
COLOR TV
®

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Summary of Contents for Sony KV-PF21L70

  • Page 1: Service Manual

    Self Diagnosis Supported model SERVICE MANUAL BG-3S CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-PF21L70 RM-952 SCC-U30B-A KV-PF21M40 RM-952 SCC-U12N-A KV-PF21M70 RM-952 SCC-U13E-A KV-PF21M70 RM-952 SCC-U30C-A KV-PF21P10 RM-952 SCC-U24D-A KV-PF21P40 RM-952 Singapore SCC-U29B-A KV-PF21P40 RM-952 Malaysia...
  • Page 2 CARBON PAINTED ON THE CRT, AFTER REMOVING THE LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE ANODE. COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE CRITICAL TO SAFE OPERATION ARE IDENTIFIED IN THIS MANUAL.

  • Page 3: Table Of Contents

    KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 TABLE OF CONTENTS Section Title Page Section Title Page SELF DIAGNOSIS FUNCTION 5. DIAGRAMS ........ 4 Block Diagram ............41 1. GENERAL ............Frame Schematic Diagram ........44 Circuit Boards Location .......... 46 2. DISASSEMBLY Schematic Diagrams and Printed Wiring Boards ... 47 2-1.

  • Page 4: Self Diagnosis Function

    KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 SELF DIAGNOSTIC FUNCTION The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER lamp will automatically begin to flash. The number of times the lamp flashes translates to a probable source of the problem. A definition of the STANDBY/TIMER lamp flash indicators is listed in the instruction manual for the user’s knowledge and reference.
  • Page 5 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 DISPLAY OF STANDBY/TIMER LIGHT FLASH COUNT 2 times 5 times Lamp ON 0.3 sec. Lamp OFF 3 sec. Lamp OFF 0.3 sec. STANDBY/SLEEP lamp Diagnostic Item Flash Count* +B overcurrent/overvoltage 2 times Vertical deflection stopped White balance failure 5 times * One flash count is not used for self-diagnostic.
  • Page 6 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 SELF-DIAGNOSTIC SCREEN DISPLAY For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up past occurances of failure for confirmation on the screen:...
  • Page 7 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 SELF-DIAGNOSTIC CIRCUIT IC301 IC001 IC003 Y/CHROMA JUNGLE SYSTEM MEMORY FROM IK-IN IO-8DAT B-DAT FROM [+B] Q604 C3 O-LED PROTECT IO-SDAT [V] Q509/507 [+B overcurrent ªOCPº] Occurs when an overcurrent on the +B(135) line is detected by Q604. If Q604 go to ON and the voltage to pin 18 of IC301 should go down when V.SYNC is more than seven...
  • Page 8 The operating instructions mentioned here are partial abstracts from the Operating Instruction Manual. The page numbers of the Operating Instruction Manual remain as in the manual. AUDIO VIDEO VIDEO IN VIDEO OUT...
  • Page 11 JUMP SOUND Á PROGR MODE FAVORITE...
  • Page 13 JUMP SOUND Á PROGR MODE SELECT PIC MODE FAVORITE...
  • Page 15 SOUND Á PROGR MODE FAVORITE...
  • Page 16 JUMP JUMP SOUND Á PROGR MODE SOUND Á PROGR MODE FAVORITE FAVORITE P166 SECTEXT FR1 MAR 03:59:09 Fom Singapore Dep/Arr Flight Alrcraft To PARIS 220/0588 SQ28 2130/1225 PA115 2115/1330 SQ26 To OSAKA 1000/1715 0930/2015 CX522 To ROMA 2130/0745 SQ24 2300/0915 AZ487 To SYDNEY 2210/0610...
  • Page 18 P166 SECTEXT FR1 MAR 03:59:09 Fom Singapore Dep/Arr Flight Alrcraft To PARIS 220/0588 SQ28 2130/1225 PA115 2115/1330 SQ26 To OSAKA 1000/1715 0930/2015 CX522 To ROMA 2130/0745 SQ24 2300/0915 AZ487 To SYDNEY 2210/0610 SQ21A 2100/0835 SQ21A...
  • Page 22 JUMP JUMP SOUND Á PROGR SOUND Á PROGR MODE MODE SELECT SELECT PIC MODE PIC MODE FAVORITE FAVORITE...

  • Page 27: Set-Up Adjustments

    KV-PF21L70/PF21M40/PF21M70/PF21P10 SECTION 3 KV-PF21P40/PF21P41/PF21Q70 RM-952 SET-UP ADJUSTMENTS • The following adjustments should be made when a complete Perform the adjustments in the following order : realignment is required or a new picture tube is installed. 1. Beam Landing • These adjustments should be performed with rated power 2.

  • Page 28: Convergence

    KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 3-2. CONVERGENCE Preparation : • Before starting this adjustment, adjust the focus, horizontal size V. STAT and vertical size. • Minimize the brightness setting. • Provide dot pattern. (1) Horizontal and Vertical Static Convergence Center dot H. STAT VR H.
  • Page 29 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 (2) Dynamic Convergence Adjustment Preparation: • Before starting this adjustment, adjust the horizontal static convergence and the vertical static convergence on DY (3) Screen-corner Convergence Fix a Permalloy assy corresponding to the misconverged areas a-d : screen-corner...

  • Page 30: Focus Adjustment

    KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 3-3. FOCUS ADJUSTMENT 3-4. G2 (SCREEN) AND WHITE BALANCE Adjust FOCUS control on the flyback transformer for the best ADJUSTMENTS focus. 1. G2 (SCREEN) ADJUSTMENT 1) Set the PICTURE to normal. 2) Put to VIDEO input mode without signals.

  • Page 31: Circuit Adjustments

    KV-PF21L70/PF21M40/PF21M70/PF21P10 SECTION 4 KV-PF21P40/PF21P41/PF21Q70 RM-952 CIRCUIT ADJUSTMENTS 4-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-952 that comes with this unit. 1, 4 Select the adjustment item. ↓ a. ENTERING SERVICE MODE 3, 6 Raise/lower the data value.

  • Page 32: Adjustment Method

    KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 4-2. ADJUSTMENT METHOD Item Number 00 of device GEO Use the same method for all Items. Use 1 and 4 to select the This explanation uses H-Position as an example. 1. Select “GEO 00 HPS” with the 1 and 4 buttons.
  • Page 36 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 ITEM INFORMATION. No. OPB0 OP1 Item XTAL 4.43 XTAL 3.58 SECAM 2nd. Lang KV-PF21L70 KV-PF21M40 KV-PF21M70 (E) KV-PF21M70 (ME) KV-PF21P10 KV-PF21P40 (Singapore) KV-PF21P40 (Malaysia) KV-PF21P41 KV-PF21Q70 No. OPB1 OP2 Item NICAM HDEV Thai Bil Dis Fav. DVD Input...

  • Page 37: Picture Quality Adjustments

    KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 4-3. PICTURE QUALITY ADJUSTMENTS BELL FILTER ADJUSTMENT SUB COLOR ADJUSTMENT 1. Input SECAM color-bar signal. 2. Connect the dual-trace oscilloscope to the pin 9 (R-Y) of 1. Input a PAL color-bar. CN303 (not mounted). 2. Set to the following condition: 3.

  • Page 38: Picture Distortion Adjustment

    KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 4-5. PICTURE DISTORTION ADJUSTMENT Item Number 00 – 0B GEO 0 HSH (H POSITION) GEO 1 HSZ (H SIZE) GEO 2 PAP (PIN AMP) GEO 3 TILT (TRAPEZIUM) GEO 4 VSH (V POSITION) GEO 5 VSZ (V SIZE)
  • Page 39 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 MEMO ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
  • Page 40 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 MEMO ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...

  • Page 41: Diagrams

    KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21L70/PF21M40/PF21M70/PF21P10 SECTION 5 KV-PF21P40/PF21P41/PF21Q70 KV-PF21P40/PF21P41/PF21Q70 KV-PF21P40/PF21P41/PF21Q70 RM-952 RM-952 RM-952 DIAGRAM 5-1. BLOCK DIAGRAM MAIN. TUVIF AUDIO TV V in TU101 TV L in BTF-LG411(I) PROSESSOR TV R in (Except KV-PF21M40/ IC203 PF21M70)(E/ME) TDA7429S BTF-LG433(I) <slave: 80H> SP ASSY...

  • Page 42: Frame Schematic Diagram

    KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 KV-PF21P40/PF21P41/PF21Q70 KV-PF21P40/PF21P41/PF21Q70 RM-952 RM-952 RM-952 5-2. FRAME SCHEMATIC DIAGRAM 5-3. CIRCUIT BOARDS LOCATION CN704 CN701 200V PICTURE CN703 TUBE (RGB OUT) CN801 CN803 GREEN BLUE V1 (TELE TEXT) (KV-PF21P41 ONLY) CVBS 7.5V DY ASSY V1 (KV-PF21P41 only)

  • Page 43: Schematic Diagrams And Printed Wiring Boards

    KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 5-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS Note: • All capacitors are in µF unless otherwise noted. • All electrolytic capacitors are rated at 50V unless otherwise noted. • All resistors are in ohms. k = 1000 , M = 1000k •...
  • Page 44 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 RM-952 A BOARD IC001 CXP86461-622S (FOR ME) A BOARD IC001 CXP86461-623S (EXCEPT ME) CLOCK GENERATOR SPC700 CPU CORE A/D CONVERTER /SYSTEM CONTROL PA0~PA7 AN0~AN5 REMOCON FIFO PB0~PB7 12K/16K/24K/32K 352/704/1536 BYTES 40K/48K/60K BYTES SERIAL INTERFACE PC0~PC5 UNIT PC6~PC7 8-BIT TIMER/...
  • Page 45 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 KV-PF21P40/PF21P41/PF21Q70 KV-PF21P40/PF21P41/PF21Q70 KV-PF21P40/PF21P41/PF21Q70 RM-952 RM-952 RM-952 RM-952 PRINTED WIRING BOARD A BOARD [POWER SUPPLY, HV, MICON, Y/C JUNGLE] D004 D614 D005 D615 IC001 B-10 D006 D616 – A Board – IC002 D203 C-11 D617 IC003...

  • Page 46: Schematic Diagrams Of C3 And F Boards

    (3) Schematic Diagrams of C3 and F boards (RGB OUT) [CISPR] [RGB OUT] PRINTED WIRING BOARD – C Board – (CISPR) C3 BOARD WAVEFORMS SECAM 25Vp-p (H) 89Vp-p (H) 90Vp-p (H) NTSC 3.58 NTSC 4.43 PAL/SECAM : 95Vp-p (H) 80Vp-p (H) 93Vp-p (H) NTSC : 86Vp-p (H) 75Vp-p (H)

  • Page 47: Schematic Diagram Of V1 Board

    (4) Schematic Diagrams of V1 board PRINTED WIRING BOARD [TELE TEXT] (TELE TEXT) – V Board – (KV-PF21P41 only) Schematic diagram 1 board – 65 – – 66 – – 67 –...
  • Page 48 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 KV-PF21P40/PF21P41/PF21Q70 KV-PF21P40/PF21P41/PF21Q70 RM-952 RM-952 RM-952 5-5. SEMICONDUCTORS DIODE TRANSISTOR AU-01Z-V1 D1NS4 RD3.3M-B2 DTC114EK 2SD2144S-UVW CXA2130S (64PIN) TDA8172 EL1Z RD1.1ES-L2 RD5.6M-B2 UN2111 CXP86449-622S (64PIN) GP08D RD20ES-B2 UN2211 CXP86449-623S (64PIN) RD33EB3T RD30ESB2 UN2213 TDA7429S (42PIN) RGP02-17EL-6433 RD6.8ES-B1 UN2216...

  • Page 49: Exploded View

    KV-PF14P40 KV-PF14P40 KV-PF14P40 SECTION 5 RM-952 RM-952 RM-952 EXPLODED VIEW TDA8172 NOTE: • • Items with no part number and no des- Items marked " * " are not stocked since cription are not stocked because they they are seldom required for routine The components identified by shading and mark ! are critical are seldom required for routine service.

  • Page 50: Electrical Parts List

    KV-PF14P40 KV-PF14P40 KV-PF14P40 RM-952 RM-952 RM-952 The components identified by shading The components identified by shading SECTION 7 and mark ! are critical for safety. and mark ! are critical for safety. Replace only with part number specified. Replace only with part number specified. ELECTRICAL PARTS LIST REF.
  • Page 51 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 The components identified by shading RM-952 and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK C610 1-126-964-11 ELECT 10MF CN305 * 1-564-509-11...
  • Page 52 INDUCTOR 3.3UH IC001 8-752-906-20 IC CXP86449-622S (KV-PF21L70/PF21Q70)/ L005 1-414-233-22 INDUCTOR CHIP 0UH M70(ME) L101 1-414-856-11 INDUCTOR 10UH IC001 8-752-906-21 IC CXP86449-623S (Except KV-PF21L70/PF21Q70/ L102 1-414-856-11 INDUCTOR 10UH M70(ME) IC002 8-759-371-21 IC MM1319AFBE L103 1-414-856-11 INDUCTOR 10UH IC003 8-759-527-71 IC M24C08-BN6...
  • Page 53 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 The components identified by shading RM-952 and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK L204 1-414-856-11 INDUCTOR 10UH Q509 8-729-230-49 TRANSISTOR 2SC2712-YG...
  • Page 54 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 The components identified by shading RM-952 and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R061 1-216-033-00 RES,CHIP 1/10W R331 1-216-295-91 SHORT...
  • Page 55 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 The components identified by shading RM-952 and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R526 1-208-798-11 RES,CHIP 4.7K 0.50% 1/10W R610...
  • Page 56 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 The components identified by shading RM-952 and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <<RELAY> C708 1-102-114-00 CERAMIC 470PF C709 1-102-114-00...
  • Page 57 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 The components identified by shading RM-952 and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <<RESISTOR> <<CONNECTOR> R703 1-249-496-11 CARBON 100K 1/2W...
  • Page 58 KV-PF21L70/PF21M40/PF21M70/PF21P10 KV-PF21P40/PF21P41/PF21Q70 The components identified by shading RM-952 and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <<CONNECTOR> R805 1-216-295-91 SHORT R807 1-216-295-91 SHORT...
  • Page 59 *************************************** 1-416-946-21 COIL, DEMAGNETIC 1-417-151-21 MATCHING TRANSFORMER, ANTENNA (Except 1-417-151-21 MATCHING TRANSFORMER, ANTENNA (Except KV-PF21P41) KV-PF21P41) 1-501-372-81 ANTENNA, TELESCOPIC (Except KV-PF21L70/ 1-452-032-00 MAGNET,DISC PF21P41) 1-452-094-00 CIRCULAR DISC MAGNET B 1-569-008-21 ADAPTOR, CONVERSION 2P (KV-PF21L70/ 1-501-372-81 ANTENNA, TELESCOPIC (Except KV-PF21L70/ M70(ME)/PF21Q70 only)
  • Page 60 Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK Sony Corporation English 99GM70226-1 SONY TV Industries (M) Sdn. Bhd. Printed in Malaysia  9-965-749-01 TV Business of General Area 1999. 7 – 84 –...

This manual is also suitable for:

Kv-pf21m40Kv-pf21m70Kv-pf21p41Kv-pf21q70Kv-pf21p10Kv-pf21p40

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