Sony KV-PF21M70, KV-TF21P11, KV-TF21M61 service manual 115

Page 83

The components identified by shading and mark !are critical for safety. Replace only with part number specified.

KV-PF21M70/TF21M61/TF21M90/TF21P11

RM-952

V1 (KVTF21P11-TF21M61/only)

REF. NO. PART NO.

DESCRIPTION

 

 

REMARK

 

 

REF. NO. PART NO.

DESCRIPTION

 

 

REMARK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

<CHIP CONDUCTOR>

 

 

 

 

R850

1-216-105-91

RES,CHIP

220K

5%

1/10W

 

 

 

 

 

 

 

 

 

 

 

R851

1-216-057-00

RES,CHIP

2.2K

5%

1/10W

JR801 1-216-295-91

SHORT

0

 

 

 

 

R853

1-216-067-00

RES,CHIP

5.6K

5%

1/10W

JR802 1-216-295-91

SHORT

0

 

 

 

 

R857

1-216-081-00

RES,CHIP

22K

5%

1/10W

JR804 1-216-295-91

SHORT

0

 

 

 

 

R858

1-216-067-00

RES,CHIP

5.6K

5%

1/10W

JR805 1-216-295-91

SHORT

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JR806

1-216-295-91

SHORT

0

 

 

 

 

R861

1-216-049-91

RES,CHIP

1K

5%

1/10W

 

 

 

 

 

 

 

 

 

 

 

R862

1-260-095-11

CARBON

470

5%

1/2W

JR807 1-216-295-91

SHORT

0

 

 

 

 

R863

1-216-049-91

RES,CHIP

1K

5%

1/10W

JR808

1-216-295-91

SHORT

0

 

 

 

 

R864

1-216-041-00

RES,CHIP

470

5%

1/10W

 

 

 

 

 

 

 

 

 

 

 

R866

1-215-880-00

METAL OXIDE

10

5%

2W F

 

 

 

 

<TRANSISTOR>

 

 

 

 

 

R871

1-216-037-00

RES,CHIP

330

5%

1/10W

 

 

 

 

 

 

 

 

 

 

 

R879

1-216-073-00

RES,CHIP

10K

5%

1/10W

Q801

8-729-120-28

TRANSISTOR 2SC1623-L5L6

 

 

 

 

R880

1-216-041-00

RES,CHIP

470

5%

1/10W

Q803

8-729-120-28

TRANSISTOR 2SC1623-L5L6

 

 

 

 

R882

1-216-049-91

RES,CHIP

1K

5%

1/10W

Q805

8-729-120-28

TRANSISTOR 2SC1623-L5L6

 

 

 

 

R884

1-216-025-91

RES,CHIP

100

5%

1/10W

Q806

8-729-120-28

TRANSISTOR 2SC1623-L5L6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q807

8-729-120-28

TRANSISTOR 2SC1623-L5L6

 

 

 

 

R888

1-216-065-91

RES,CHIP

4.7K

5%

1/10W

 

 

 

 

 

 

 

 

 

 

 

R889

1-216-073-00

RES,CHIP

10K

5%

1/10W

Q808

8-729-120-28

TRANSISTOR 2SC1623-L5L6

 

 

 

 

R890

1-216-081-00

RES,CHIP

22K

5%

1/10W

Q810

8-729-120-28

TRANSISTOR 2SC1623-L5L6

 

 

 

 

R894

1-216-073-00

RES,CHIP

10K

5%

1/10W

Q811

8-729-019-01

TRANSISTOR 2SD2394-EF

 

 

 

 

R895

1-216-065-91

RES,CHIP

4.7K

5%

1/10W

Q812

8-729-120-28

TRANSISTOR 2SC1623-L5L6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q813

8-729-120-28

TRANSISTOR 2SC1623-L5L6

 

 

 

 

R896

1-216-073-00

RES,CHIP

10K

5%

1/10W

 

 

 

 

 

 

 

 

 

 

 

R897

1-216-073-00

RES,CHIP

10K

5%

1/10W

Q814

8-729-120-28

TRANSISTOR 2SC1623-L5L6

 

 

 

 

R898

1-216-065-91

RES,CHIP

4.7K

5%

1/10W

Q817

8-729-900-53

TRANSISTOR DTC114EK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q818

8-729-120-28

TRANSISTOR 2SC1623-L5L6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

<CRYSTAL>

 

 

 

 

 

 

 

 

<RESISTOR>

 

 

 

 

 

X801

1-578-774-11

VIBRATOR, CRYSTAL

 

 

 

R800

1-216-675-11

METAL CHIP

10K

0.50% 1/10W

 

 

 

 

 

 

 

 

 

 

 

 

 

R801

1-216-295-91

SHORT

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R802

1-216-025-91

RES,CHIP

100

5%

1/10W

 

 

 

 

 

 

 

 

 

 

 

 

 

R803

1-216-295-91

SHORT

0

 

 

 

****************************************************************************

R804

1-216-295-91

SHORT

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R805

1-216-295-91

SHORT

0

 

 

 

 

 

 

 

 

 

MISCELLANEOUS

 

 

 

 

R807

1-216-295-91

SHORT

0

 

 

 

 

 

 

 

 

 

*****************

 

 

 

R813

1-216-295-91

SHORT

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R820

1-216-073-00

RES,CHIP

10K

5%

1/10W

 

 

 

!1-416-946-11

COIL, DEMAGNETIC

 

 

 

R821

1-216-083-00

RES,CHIP

27K

5%

1/10W

 

 

 

1-417-151-21

MATCHING TRANSFORMER, ANTENNA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(KV-PF21M70 ONLY)

 

 

 

R822

1-216-025-91

RES,CHIP

100

5%

1/10W

 

 

 

1-452-014-11

CIRCULAR DISC MAGNET B (KV-TF21P11)

R824

1-216-295-91

SHORT

0

 

 

 

 

 

1-452-032-00

MAGNET,DISC

 

 

 

 

R825

1-216-295-91

SHORT

0

 

 

 

 

 

1-452-094-00

CIRCULAR DISC MAGNET B

 

 

 

R827

1-216-295-91

SHORT

0

 

 

 

 

 

 

 

 

 

(EXCEPT KV-TF21P11)

 

 

 

R828

1-216-025-91

RES,CHIP

100

5%

1/10W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1-452-728-61

COIL, NA ROTATION (RT-154)

 

 

 

R829

1-216-025-91

RES,CHIP

100

5%

1/10W

 

 

 

 

 

 

 

(KV-TF21M61/TF21M90 ONLY)

 

 

 

R830

1-216-295-91

SHORT

0

 

 

 

 

 

1-501-372-81

ANTENNA, TELESCOPIC (KV-PF21M70 ONLY)

R831

1-216-295-91

SHORT

0

 

 

 

 

 

1-505-740-11

SPEAKER (5X9CM)

 

 

 

R832

1-216-659-11

METAL CHIP

2.2K

0.50% 1/10W

 

 

 

 

 

 

 

 

!1-574-062-11

CORD, POWER (WITH CONNECTOR) 2.5A/250V

R835

1-216-295-91

SHORT

0

 

 

 

 

 

!1-574-358-11

(KV-TF21M61)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CORD, POWER (WITH CONNECTOR)

 

 

R839

1-216-655-11

METAL CHIP

1.5K

0.50%

1/10W

 

 

 

 

 

 

 

(KV-TF21P11)

 

 

 

 

R841

1-216-025-91

RES,CHIP

100

5%

1/10W

 

 

 

 

 

 

 

 

 

 

 

 

 

R842

1-216-065-91

RES,CHIP

4.7K

5%

1/10W

 

 

 

!1-769-609-21

CORD, POWER (WITH CONNECTOR)

 

 

R843

1-216-065-91

RES,CHIP

4.7K

5%

1/10W

 

 

 

 

 

 

 

(KV-PF21M70/TF21M90)

 

 

 

R844

1-216-057-00

RES,CHIP

2.2K

5%

1/10W

 

 

 

8-451-505-11

DEFLECTION YOKE (Y21RSA-S)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

!8-738-809-05

PICTURE TUBE (A51LPT70X)

 

 

 

R845

1-216-049-91

RES,CHIP

1K

5%

1/10W

 

 

 

!8-738-812-05

(KV-PF21M70/TF21M90)

 

 

 

R846

1-216-049-91

RES,CHIP

1K

5%

1/10W

 

 

 

PICTURE TUBE (A51LPT70X)

 

 

 

R847

1-216-049-91

RES,CHIP

1K

5%

1/10W

 

 

 

 

 

 

 

(KV-TF21M61/TF21P11)

 

 

 

R848

1-216-049-91

RES,CHIP

1K

5%

1/10W

 

 

 

 

 

 

 

 

 

 

 

 

 

R849

1-216-049-91

RES,CHIP

1K

5%

1/10W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

****************************************************************************

– 115 –

Image 83
Contents KV-TF21M61 KV-PF21M70 KV-TF21M90 KV-TF21P11 BG-3SCHASSISKV-PF21M70/TF21M61/TF21M90/TF21P11 SpecificationsCircuit Adjustments Table of ContentsDisassembly SET-UP AdjustmentsDiagnostic Test Indicators Self Diagnostic FunctionStopping the STANDBY/TIMER Flash Display of STANDBY/TIMER Light Flash CountHandling of SELF-DIAGNOSTIC Screen Display SELF-DIAGNOSTIC Screen Display+BÊovercurrentÊ»OCP¼ SELF-DIAGNOSTIC CircuitConnect the antenna Getting StartedInsert the batteries into the remote Connecting optional componentsPreset the channels automatically Connecting video equipment using the ò Monitor output jacksSecuring the TV Presetting channelsPresetting channels automatically Skipping program numbers Presetting channels manuallyChanging the on-screen display language Watching the TVAdditional tasks Selecting the picture and sound modes Setting the Wake Up timerSetting the Sleep timer Customizing the picture and soundBlocking the channels Adjusting the picture and sound settingsIndicator flashes Self-diagnosis function TroubleshootingCount the number of times the u indicator flashes Press U main power to turn off your TVTroubleshooting Front panel Remote ControlIdentifying parts and controls KV-TF21M61/TF21M90 PF21M70/TF21M61/TF21M90/TF21P11 RM-952 VHF LOW Auto I D/K M PIC Rotation Press U to turn on the TV. When the TV isRepeatedly until you get Appears Press + or to select Desired surround sound Selecting the surround modePress Select repeatedly Until SurroundPress A/B repeatedly until you receive the sound you want Selecting a stereo or bilingual programAdditional Teletext tasks Using FastextViewing Teletext Displaying TeletextAdditional Self-diagnosis functionCheck connection on the AC socket Troubleshooting ShortcutsCheck the antenna direction Press ü + to increase the volume level Select button 2headphone jack Front panel KV-PF21M70/TF21M61/TF21M90/TF21P11Jump Sound Progr KV-TF21P11 Your Securing the TV Desired program number appears Appears Press + or Press Progr +/- orNumber buttons until Language / English Your New Picture PF21M70/TF21M61/TF21M90/TF21P11 RM-952 KV-PF21M70/TF21M61/TF21M90/TF21P11 Press U main power to turn off your TV Indicator flashesPF21M70/TF21M61/TF21M90/TF21P11 RM-952 Sound Progr Mode Bracket Removal KV-TF21M61/TF21M90 Rear Cover RemovalChassis Assy Removal Terminal Bracket Removal Service PositionReplacement of Parts Picture Tube Removal Degauss Coil Removal∙ HOW to Handle AN ANODE-CAP ∙ Removal of ANODE-CAP ∙ Removing ProceduresBeam Landing Section SET-UP AdjustmentsHorizontal and Vertical Static Convergence ConvergenceYCH TLV G2 Screen and White Balance Adjustments Focus AdjustmentRM-952 Adjustments with CommanderAdjustment Method Adjustment Item Table INF INS TXT OPM OPB KV-PF21M70/TF21M61/TF21M90/TF21P11 Board Adjustment After IC003 Memory Replacement Picture Quality Adjustments SUB Color AdjustmentSUB HUE Adjustment Bell Filter AdjustmentItem Number 00 0B Picture Distortion AdjustmentSTV5112 TU101 BTF-WG441IIC201 TA8248KSecam Schematic Diagrams and Printed Wiring BoardsBoard IC001 CXP86449-623S DTC114EK Semiconductors19 4-057-714-01 Piece ASSY, TLH Correction REF. NO. Part no DescriptionBeznet Assy BUTTON, Multi BUTTON, PowerREF. NO. Part no Description Remark Beznet Assy KV-TF21P11HOLDER, FBT Description RemarkElect HOLDER, LEDMylar Elect 1MFCarbon CeramicPLUG, Connector 3P Diode PIN, Connector 4PPLUG, Connector 3P PLUG, Connector 6P100 101 Metal 102Metal Chip 103 VIBRATOR, Ceramic 104Tuner TUNER, FSS BTF-LG433 CrystalOnly 105106 Diode RD10SB 107Transistor 2SC2712-YG 108Photo Coupler ON3171-R IC Link 109 110 111 Carbon Variable Resistor 112SOCKET, CRT Coil Transistor 2SC2611113 C5 Except KV-PF21M70114 115 116

KV-PF21M70, KV-TF21P11, KV-TF21M61 specifications

The Sony KV-TF21M61, KV-TF21P11, and KV-PF21M70 are iconic television models that hold a significant place in the history of consumer electronics. These CRT (cathode-ray tube) televisions were introduced during a time when home entertainment was evolving, showcasing Sony's dedication to delivering high-quality viewing experiences.

The KV-TF21M61 is known for its compact design and impressive image quality, featuring a 21-inch screen size that was perfect for small to medium-sized rooms. Equipped with Sony's advanced Trinitron technology, it delivers vibrant colors and sharp images, making it a favorite among viewers who appreciate clarity and detail. The television features a built-in tuner, allowing users to easily access various TV channels without the need for an external set-top box. The design includes multiple connectivity options, including standard composite inputs, offering versatility for connecting gaming consoles and DVD players.

Similarly, the KV-TF21P11 model carries forward Sony's commitment to exceptional picture quality. With anti-glare screens and enhanced viewing angles, this model ensures that viewers enjoy clear images from different positions in the room. Its user-friendly interface allows easy navigation through channel selections and picture adjustments. The model also includes stereo speakers, providing a richer audio experience that complements the stunning visuals.

On the other hand, the KV-PF21M70 is seen as an evolution of these models, featuring a larger display while retaining the core technological advancements of its predecessors. This unit incorporates Sony's Picture-in-Picture (PiP) feature, allowing users to watch two channels simultaneously or view external input while keeping an eye on live TV. This functionality enhances versatility and user engagement, making it a practical choice for avid viewers who don’t want to miss out on their favorite programs.

All three models are equipped with various sound enhancement features, including bass and treble controls, ensuring users can tailor their audio experience according to their preferences. The robust build quality and reliability typical of Sony products ensure that these televisions remain cherished items even as technology progresses and newer formats emerge.

Overall, the KV-TF21M61, KV-TF21P11, and KV-PF21M70 are more than just old CRT televisions; they represent a significant era in television technology, characterized by brilliant visuals, sound quality, and functional designs that laid the groundwork for modern home entertainment systems. These models remain a testament to Sony's pioneering efforts in the realm of consumer electronics.