Sony KV-TF21M61, KV-TF21P11, KV-PF21M70 service manual Board IC001 CXP86449-623S

Page 61

KV-PF21M70/TF21M61/TF21M90/TF21P11

RM-952

A BOARD IC001 CXP86449-623S

 

 

 

 

INT0

INT1

INT2

 

 

 

 

 

TEX

TX EXTAL XTAL RST MP VDD VSS

 

 

A/D CONVERTER

 

CONTROLLER

 

 

 

 

SPC700 CPU CORE

CLOCK GENERATOR

AN0~AN5

6

 

 

 

 

 

 

/SYSTEM CONTROL

 

 

 

 

 

 

 

 

6CH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RMC

 

REMOCON

FIFO

 

INTERRUPT

 

 

 

 

ROM

 

 

RAM

SO

 

 

 

 

 

 

 

 

12K/16K/24K/32K

 

 

 

 

 

 

 

 

 

352/704/1536 BYTES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40K/48K/60K BYTES

 

 

 

 

 

 

 

 

 

 

 

 

S1

 

SERIAL INTERFACE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SCK

 

UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EC

 

8-BIT TIMER/

2

 

 

 

 

 

 

 

 

 

 

COUNTER 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO

 

8-BIT TIMER 1

 

 

 

 

 

 

 

 

 

 

XLC

 

 

 

 

 

 

 

 

 

 

 

 

 

EXLC

 

 

 

2

 

 

 

 

 

PRESCALER/

 

 

R

 

 

 

 

 

 

 

 

 

TIME-BASE TIMER

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

ON SCREEN

 

 

 

 

 

 

WATCHDOG TMER

 

 

I

 

DISPLAY

 

 

 

 

 

 

 

 

 

YS

 

 

 

 

 

 

 

 

 

 

 

 

 

YM

 

 

 

 

 

 

 

 

 

32kHZ

 

 

 

HSYNC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TIMER/COUNTER

 

 

VSYNC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HS0

 

HSYNC COUNTER 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

I2C BUS

 

 

8-BIT PWM 8CH

14BIT PWM 1CH

HS1

 

HSYNC COUNTER 1

INTERFACE UNIT

 

 

(6CH)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

(6)

 

 

 

 

 

 

SDA0

 

SDA1

SCL0

SCL1

ADJ

PWM0~PWM7 (PWM0~PWM5)

 

 

PWM

PORT G PORT F PORT E PORT D PORT C PORT B PORT A

8 PA0~PA7

8 PB0~PB7

6PC0~PC5

2PC6~PC7

8 PD0~PD7

2 PE0~PE1

2PE2~PE3

3PE4~PE6

8 PF0~PF7

5 PG3~PG6*, PG7

– 66 –

Image 61
Contents KV-TF21M61 KV-PF21M70 KV-TF21M90 KV-TF21P11 BG-3SCHASSISKV-PF21M70/TF21M61/TF21M90/TF21P11 SpecificationsDisassembly Table of ContentsSET-UP Adjustments Circuit 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 StartedPreset the channels automatically Connecting optional componentsConnecting video equipment using the ò Monitor output jacks Insert the batteries into the remotePresetting channels automatically Presetting channelsSecuring the TV Skipping program numbers Presetting channels manuallyAdditional tasks Watching the TVChanging the on-screen display language Setting the Sleep timer Setting the Wake Up timerCustomizing the picture and sound Selecting the picture and sound modesBlocking the channels Adjusting the picture and sound settingsCount the number of times the u indicator flashes Self-diagnosis function TroubleshootingPress U main power to turn off your TV Indicator flashesTroubleshooting Identifying parts and controls Remote ControlFront panel 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 Press Select repeatedly Selecting the surround modeUntil Surround Appears Press + or to select Desired surround soundPress A/B repeatedly until you receive the sound you want Selecting a stereo or bilingual programViewing Teletext Using FastextDisplaying Teletext Additional Teletext tasksAdditional Self-diagnosis functionCheck the antenna direction Troubleshooting ShortcutsCheck connection on the AC socket 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 Number buttons until Appears Press + or Press Progr +/- orDesired program number appears 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 Chassis Assy Removal Rear Cover RemovalBracket Removal KV-TF21M61/TF21M90 Replacement of Parts Service PositionTerminal Bracket Removal 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 SUB HUE Adjustment Picture Quality Adjustments SUB Color AdjustmentBell Filter Adjustment Board Adjustment After IC003 Memory ReplacementItem Number 00 0B Picture Distortion AdjustmentIC201 TU101 BTF-WG441ITA8248K STV5112Secam Schematic Diagrams and Printed Wiring BoardsBoard IC001 CXP86449-623S DTC114EK SemiconductorsBeznet Assy REF. NO. Part no Description19 4-057-714-01 Piece ASSY, TLH Correction REF. NO. Part no Description Remark BUTTON, PowerBeznet Assy KV-TF21P11 BUTTON, MultiElect Description RemarkHOLDER, LED HOLDER, FBTCarbon Elect 1MFCeramic MylarPLUG, Connector 3P PIN, Connector 4PPLUG, Connector 6P PLUG, Connector 3P Diode100 101 Metal Chip 102Metal 103 Tuner 104TUNER, FSS BTF-LG433 Crystal VIBRATOR, CeramicOnly 105106 Diode RD10SB 107Photo Coupler ON3171-R IC Link 108Transistor 2SC2712-YG 109 110 111 SOCKET, CRT Coil 112Transistor 2SC2611 Carbon Variable Resistor113 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.