Teac MV1421 Service Manual Download | Manualshive

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Summary of Contents for MV1421

Page 1: ...SERVICE MANUAL MV1421 1422 4822 34cm 48cm Televideo Effective December 1999 MV4822SERV ...

Page 2: ...4 ALIGNMENT INSTRUCTIONS 7 5 SERVICE REMOCON DIAGRAM 11 6 IC DESCRIPTION 14 7 CIRCUIT DESCRIPTION 40 8 VOLTAGE CHARTS 48 9 PRINTED CIRCUIT BOARDS 52 10 TROUBLE SHOOTING CHARTS 54 11 ELECTRICAL PARTS LIST 69 12 THE DIFFERENT PARTS FOR SIZE 101 13 THE DIFERENT PARTS FOR SYSTEM 103 ...

Page 3: ...S37 E69 MEMORY CHANNEL 70 PROGRAMS AUX TERMINAL RCA TYPE AV INPUT JACK HEADPHONE JACK 3 5mm REMOTE CONTROLLER R 35 with 2 AA type batteries TELETEXT 8page memory TOP and FLOF West option German Deutch Flemish French Italian Spanish Portuguese Swedish Finnish Danish Czech Slovak East option Polish Czech Slovak Rumanian Hungarian Servocroat German Deutch Flemish French Italian Turkish option Turkish...

Page 4: ...noise ratio 40dB more than VIDEO signal system PAL SECAM colour and CCIR mono chrome signals 625lines 50fields recording system Rotary 2 head herical scan with a slant double azimuth combination video head input 1Vp p 75 ohms unbalanced output 1Vp p 75 ohms unbalanced signal to noise ratio 45dB with NETTETE IMAGE control at center position horizontal resolution 240 lines with NETTETE IMAGE control...

Page 5: ...of the picture tube before handling the tube The picture tube is highly evacuated and if broken glass fragm ents will be violently expelled 2 If any Fuse in this TV receiver is blown replace it with the FUSE specified in the Replacem ent Parts List 3 W hen replacing a high wattage resistor oxide metal film resistor in circuit board keep the resistor 10mm away from circuit board 4 Keep wires away f...

Page 6: ...4 3 BLOCK DIAGRAM 3 1 Audio Signal Flow ...

Page 7: ...5 3 2 Video Signal Flow ...

Page 8: ...6 3 3 TV and monitor power switching ...

Page 9: ...COIL for 2 2V 0 1V 4 3 MAIN TUNER AGC 1 Set a Pattern Generator with RF level 60 2 dBuV 210 25 M Hz 2 Connect a OSCILLOSCOPE PROBE to P101 TUNER AGC INPUT 3 Adjust AGC UP DOW N KEY the voltage drop about 1 8V DC over below it s maximum voltage 4 4 SUB TUNER AGC 1 Set a Pattern Generator with RF level 60 2 dBuV 210 25 M Hz 2 Connect a OSCILLOSCOPE PROBE to P101 TUNER AGC INPUT 3 Press the SUB AG C ...

Page 10: ...AL 2 Pressing the V SLOPE KEY the lower half of the screen is blanked 2 Adjust the border line of blanked picture coincident with the center m arks of the pattern using the V SLOPE KEY 3 VERTICAL CENTER 1 Apply a RETMA PATTERN SIGNAL 2 Adjust the center line of pattern coincident with the mechanical center m arks of the CRT using the V CENTER KEY 4 VERTICAL SIZE The V CENTER adjustment has to be d...

Page 11: ...OFF Test tape DP 2 6KHz Adjustment Procedure 1 Connect the PATH JIG to PY04 after Test tape PLAYBACK 2 Pressing the ATK OFF KEY 3 Insert the DP 2 TAPE Auto playback 3 Adjust the waveform of PB ENVE to m axim um figure1 using X position VR 4 Adjust IN OUTPUT GUIDE until the exact waveform appear as bellow figure2 OSCILLOSCOPE 1 CH2 CH1 ADJUST JIG 4 6 PY04 P601 OSCILLOSCOPE 2 CH1 3 2 1 GND CONNECTIO...

Page 12: ...nt If EEPROM I703 has been changed O ption data has to be changed and all alignm ent function has to be readjusted SECAM L AFT 1 MAIN TUNER AFT 1 1 STANDARD SECAM L 1 Set a signal generator with RF FREQUENCY 34 5 M Hz RF OUTPUT LEVEL 80 5 dBuV 2 Connect the signal generator RF output to TP1 TUNER IF OUTPUT There must be no signal input to the TUNER 3 Press the VCO L KEY and wait until the TV scree...

Page 13: ... 4 WAIT FOR ABOUT 10 SECONDS YOU CAN SEE THE LIGHT OF POWER LED IF THE TV IS NORMAL 5 TURN ON THE TV USING THE REMOCON YOU CAN SEE THE OSD EMERGENCY 6 CHECK THE TV SECTIO N 5 2 REMOCON To Enter The SERVICE MODE Press blue yellow green red power buttons in regular sequency within five seconds using USER REMOCON after seting TV VCR off 0 1 2 3 REC ATK OFF SUB AGC V CEN S CORR H CEN AGC AFT L SCREEN ...

Page 14: ...oincident with the mechanical center m arks of the CRT on screen of RETMA pattern 5 V SLOPE VERTICAL SLOPE Press this button to adjust the border line of blanked picture coincident with the center m arks of the pattern 6 R G B WHITE BALANCE The screen is become W HITE adjusted R G B level by this button 7 ATK OFF Auto tracking off Press this button to adjust X PATH adjustment FRONT panel s LEDs ar...

Page 15: ...is button to adjust M AIN TUNER AGC 13 AFT Press this button to adjust VCO 14 AFT L Press this button to adjust VCO L only use the SECAM L model 15 POWER Press this button to turn your TV VCR on or off If you forget your child lock secret No 1 Enter the SERVICE MODE 2 POW ER OFF ON ...

Page 16: ... and VPS Fixed framing code for TTX and VPS Program mable fram ing code window for TTX Acquisition during VBI Direct access to VBI RAM buffer Acquisition of packets x26 x27 8 30 firm ware Assistance of all relevant checks firmware 1 bit fram ing code error torelance switchable Display Feature selectable via special function register 50 60Hz display Level 1 serial attribute display pages blanking a...

Page 17: ...tended RAM access via MOVX 8Kbyte on chip ACQ buffer RAM access via MOVX 6channel 8bit PW M unit 2channel 14bit PW M unit 4m ultiplexed ADC inputs with 8bit resolution one 8bit I O port with open drain output and optional IIC em ulation two 8bit multifunctional I Oports one 4bit port working as digital or analog inputs one 2bit I O port with optional address latch enable function P SDIP 52 package...

Page 18: ...1 OSC IN input to inverting osc amplifer 13 X TAL2 OSC OUT output to inverting osc amplifer 14 P4 0 ALE 15 RESET RST RESET IN ACTIVE LOW 16 P1 7 14BIT PWM CANAL CANAL CH RECORD H 17 P1 7 14BIT PWM 4 STATE TV AV AM FM 18 P1 7 14BIT PWM 2 STATE TV AM FM 19 P1 7 14BIT PWM S SW SLOW SW IDENT IN for Automatic switching between TV AV mode H AV RGB MODE L TV MODE 20 P1 7 14BIT PWM MUTE SPK MUTE H 21 P1 7...

Page 19: ...POWER SUPPLY 38 LCIN OSC IN CLOCK IN for OSD 39 LCOUT OSC OUT CLOCK OUT for OSD 40 P3 7 TXT I O S S DATA SYSCON SERIAL DATA INPUT 41 P3 7 RXD S S CLK SYSCON SERIAL CLOCK 42 P3 4T1 P DET POWER DETECTOR L 43 P3 4T0 MON ON L TV MONITOR ON L 44 P3 2INT0 S S DATA SYSCON SERIAL DATA OUTPUT 45 HS SC H SYNC H SYNC IN Active H 46 P4 7 VS V SYNC V SYNC IN Active H 47 R R RED OUT 48 G G GREEN OUT 49 B B BLUE...

Page 20: ... organized as 1024x8bits The CAT24C08P features a 16byte page write buffer 3 Block Diagram 4 Pin Description PIN SYMBOL DESCRIPTION 1 3 A0 A1 A2 Device address input 4 VSS Ground 5 SDA Serial data address 6 SCL Serial clock 7 TEST Connect to VSS 8 VCC 5V POWER SUPPLY D OUT AKC SENSE AMPS SHIFT REGISTERS COLUMN DECODERS EEPROM 64X128 DATA IN STORAGE WORD ADDRESS BUFFER START STOP LOGIC CONTROL LOGI...

Page 21: ...n Black current stabilization and white point adjustm ent INPUT OUTPUT Flexible video source select with CVBS input for the internal signal and two external video inputs one switchable for CVBS or Y C The output signal of the video source select is externally available also as CVBS when Y C input is used External audio input Linear RGB input with fast blanking SYNCHRONIZATION AND DEFLECTION Horizo...

Page 22: ...20 3 Block Diagram ...

Page 23: ...at the video output with a 1 resistor in series with the base 7 BUS INPUT SCL serial clock line 8 BUS INPUT SDA serial data line 9 BANDGAP DECOUPLING The bandgap circuit provides a very stable and temperature ijdependent reference voltage This reference voltage 6 7V ensures optimal performance of the TDA8374 and is used in almost all functional circuit blocks 10 CHROMA INPUT The supplied C S VHS i...

Page 24: ...lied to the video output stages from pins 21 20 and19 respectively For nominal signals i e CVBS S VHS R Y B Y TTX inputs and for nominal control settings then the RGB output signal amplitudes is typically 2V BLACK WHITE 22 V GUARD INPUT BEAM CURRENT LIMITER The beam current limiting function is realized by reducing the contrast and finally the brightness when the beam current reaches too high leve...

Page 25: ... amplitude is 1Vpp transfer gain ratio between CVBS 1int or CVBS2ext or CVBS3ext Y S VHS and CVBSout is 1 The maximum output impedance is 250ßŸ 39 BLACK PEAK HOLD CAPACITOR For the correct working of the black stretcher an external time constant should be added at the black peak hold capacitor input 40 HOR OUTPUT This open collector output is meant to drive the horizontal output stage The output i...

Page 26: ...put are necessary 50 EHT OVERVOLTAGE PROTECT IN PUT not used 51 VERTTICAL SAW TOOTH CAPACITOR This pin requires a capacitor to ground of 100nF 5 The optimal sawtooth amplitude is 3 5V and is determined by the external capacitor and charge current The sawtooth bottom level is 2V 52 REFERENCE CUR RENT INPUT This pin requires a resistor to ground The optimal reference current is 100 which is determin...

Page 27: ...ers Comb filtering functions for NTSC colour difference signals to suppress cross colour 2 General Description The TDA4661 is an integrated baseband delay line circuit with one line delay It is suitable for decoders with colour difference signal outputs R Y and B Y 3 Block Diagram 4 Pin Description SYMBOL PIN DESCRIPTION SYMBOL PIN DESCRIPTION Vp 1 5V supply voltage for digital part Vp 9 5V supply...

Page 28: ...a two level sandcastle pulse for blanking and burst gating 3 Block Diagram 4 Pin Description SYMBOL PIN DESCRIPTION SYMBOL PIN DESCRIPTION Fref ident 1 reference freq input ident input R Y 9 R Y output TEST 2 test output B Y 10 B Y output Vp 3 positive supply voltage nc 11 not connected nc 4 not connected nc 12 not connected nc 5 not connected nc 13 not connected GND 6 ground nc 14 not connected C...

Page 29: ...L 9MP package using high voltage DM OS technology and is intended to drive the cathode of CRT directly To obtain maximum performance the am plifier should be used with black current control 3 Block Diagram 4 Pin Description SYMBOL PIN DESCRIPTION nc 1 nc nc 2 nc Vin 3 inverting input GND 4 ground substrate I om 5 black current measurement output Vdd 6 supply voltage high nc 7 nc Voc 8 cathode outp...

Page 30: ...0 and 110 colour deflection systems for field frequencies of 50 to 120Hz The circuit provides a DC driven vertical deflection output circuit operating as a high efficient class G system 3 Block Diagram 4 Pin Description SYMBOL PIN DESCRIPTION Idrive pos 1 input power stage positive include Ii sb signal bias Idrive neg 2 input power stage negative include Ii sb signal bias Vp 3 operating supply vol...

Page 31: ...m power package The device is designed for battery fed portable mono recorders radios and television 3 Block Diagram 4 Pin Description SYMBOL PIN DESCRIPTION nc 1 nc Vp 2 positive supply voltage input 3 input signal signal GND 4 signal ground nc 5 nc output 6 output power GND 7 power ground output 8 output nc 9 nc Input Output Output Signal ground Power ground n c n c 2 3 5 4 7 1 9 8 6 n c Positiv...

Page 32: ...C with a built in power transistor and a separate excitation control IC designed for converter type switching mode power supply applications The IC is a capable of quasi resonant mode and requires small number of external component 3 Block Diagram 4 Pin Description SYMBOL PIN DESCRIPTION C 1 collector of power TR GND 2 ground Emitter of power TR B 3 Base of power TR SINK 4 Base current IS input OC...

Page 33: ...5 V INH terminal Threshold voltage 2 8 2 Vinh2 1 4 2 0 V INH terminal Threshold voltage 3 8 2 Vlatch 3 2 5 1 5 8 V OVP operating voltage 9 2 Vin ovp 9 2 10 7 V Latch circuit sustaining current 9 2 Ih 500 Latch circuit cancellation voltage 9 2 Vin latch off 2 5 3 1 V MIC thermal shutdown starting temp Tj tsd 125 150 Fixed reference voltage 7 2 Vs 32 0 0 3 V Temperature coefficient of reference volt...

Page 34: ...ons Auto restart and cycle by cycle current lim iting functions handle both prim ary and secondary faults On chip thermal shutdown with hysteresis protects the entire system against overload 2 Description The TOP210 is stand by power supply for GREEN or ENERGY EFFICIENT PRODUCTS 3 Block Diagram 4 Pin Description SYMBOL PIN DESCRIPTION SOURCE 1 Internally connected to output MOSFET source NC 2 nc N...

Page 35: ...ignal processing circuit self alignment for record bias Built in SECAM discrimination circuit M ESECAM Built in record and playback FM EQ function IIC bus control Y C seperation using built in comb filter Built in switching circuit for 3 video audio inputs Serial control by IIC bus Complete adjustm ent free Crosstalk reduction by CCD IC for exclusive use colour comb filter is unnecessary Operating...

Page 36: ... 2 5V X0 2 3V PB HOUT 3 4V 19 REC H OUT REC 4V REC PAUSE 2V 59 VXO2 X02 OUT2 VXO 2 7V 3 58NT 0V XO 2 4V 3 58NT 0V 20 PB YFM IN REC PB 3V 60 VXO2 XO2 IN VXO 3 9V 3 58NT OV XO 3 8V 3 58NT 0V 21 TRICK H OUT TRICK MODE 4 2V 61 KILL FILTER COLOUR 1 9V KIL 3 1V 22 AGC TC2 REC 1 6V PB 1 5V 62 ACK SLD OUT 23 PB E PEAKING REC 0V PB 1 4V 63 SERIAL CLK IN 24 MAIN EMPH F REC 2 1V PB 1 8V 64 S DATA IN 25 REC Y...

Page 37: ...O PIN NAME STANDARD DC VOLTAGE 1 NC 13 VCC 5V 2 NC 14 REC CURRENT ADJ 1 PB 5 0V REC 4 5V 3 HA EP SP 1 5V THRESHOLD 15 REC AGC FIL PB 0V REC 1 6V 4 SW30 1 0V THRESHOLD 16 L IN PB 2 1V REC 4 1V 5 H SYNC 1 5V THRESHOLD 17 REC SP OUT PB 2 1V REC 4 1V 6 ENVELOPE DET OUT PB REC 0V 18 PB FILTER PB 0V REC 2 5V 7 PB OUT PB 1 7V REC 2 1V 19 H IN PB 0V REC 4 1V 8 GND 20 GND 0V 9 REC Y IN PB 4 0V REC 3 7V 21 ...

Page 38: ...hase of luminance signal is the same phase of input signal Package MFP 14S 2 Functions 2CCD shift registers for chrominance signal and for luminance signal Timing generator and clock driver for CCD Delay time selective circuit Signal adder unit on CCD shift register Auto bias circuit Sync tip clamp circuit for luminance signal Center bias circuit for chrominance signal Sample and hold circuit and ...

Page 39: ...LSE 4HD EXCLUSIVE or OUTPUT OF HEAD AMP SW SW PULSE P VIDEO 16 H AMP SW P61 EXORout O TO SELECT SP HEAD OR LP HEAD SP HEAD L LP HEAD H 2HEAD H 4HEAD P VIDEO 17 COMPARATOR P60 EXORin I COMPARE SP ENVE WITH SP ENVE SP L LP H P VIDEO 18 V HEAD SW P57 RTP7 O TO SELECT R L CHANNEL VIDEO HEAD P VIDEO 19 A HEAD SW 20 TRICK H 21 CAP F R P54 RTP4 O CAPSTAN MOTOR FORWARD L REVERSE H L H DECK CAPSTAN 22 REC ...

Page 40: ... 49 P17 50 AV MUTE H P16 O H 51 GND P15 52 REC LED P14 O LED DRIVING H LED 53 POWER LED P13 O LED DRIVING H LED 54 ST BY LED P12 O LED DRIVING H LED 55 POWER ON H P11 O VCR POWER ON H H POWER PART 56 AUDIO MUTE P10 O AUDIO MUTE H OUTPUT H 57 SECAM H P07 I SECAM MODE INPUT H SECAM IC 58 MESECAM H P06 I MESECAM DETECT INPUT H Y C IC 59 VIDEO DATA P05 O VIDEO SECAM SERIAL DATA OUTPUT SERIAL Y C SECAM...

Page 41: ...SE FF REW L PLAY CUE REV SLOW H H L SYSCON 81 S REEL P86 INT2 I SUPPLY REEL PULSE INPUT PULSE DECK REEL 82 T REEL P85 INT1 I TAKE UP REEL PULSE INPUT PULSE DECK REEL 83 P84 PG 84 C SYNC P83 CON I COMPOSITE SYNC DATA INPUT PULSE 85 CAP PG CPFGin I CAPSTAN PG INPUT PULSE DECK CAP 86 DRUM PG DRPG in I DRUM PG INPUT PULSE DECK DRUM 87 DRUM FG DRFGin I DRUM FG INPUT PULSE DECK DRUM 88 AMP GND AMP Vss 8...

Page 42: ...G C output may have to operate above Vcc of TDA8374 Therefore pin54 is an open collector output that can operate from 0 3up to Vcc 1V at 2m A sink current Source select switch TDA8374 input switch can select one of the following sources pin 13 front end CVBS1int pin 17 CVBS2ext pin 11 10 S VHS Y C Selected signal is available at the CVBS output pin38 in case of Y C input Y C are added It drive tel...

Page 43: ...e TDA8356 At TDA8356 input pins1 and pin2 this current is converted into a drive voltage via a resistor 7 5 Geometry processing W ith the TDA8374 is possible to im plement autom atic geometry alignment because all parameters are adjusted via the IIC bus The deflection processor of the TDA8374 offers the following five controls Horizontal shift Vertical slope Vertical amplitude Vertical s correctio...

Page 44: ... compensate for the difference in phosphor efficiencies of the picture tube so called white point adjustm ent The nom inal am plitude is about 2V black to white at nominal input signals and control settings TDA8374 has a black current stabilization loop that automatically adjust the black level to the cut off voltage of the picture tubes three gun cathodes Since no current is following when the vo...

Page 45: ...n1 is obtained from the TDA8374 colour X tal oscillator pin33 Pin 7 is a decoupling for the cloche reference The voltage change at this pin due to leakage currents should be lower than 10mV during field scan resulting in a capacitor if minimal 100nF Pin 8 is the reference capacitor for the PLL The voltage variation during field scan at this pin should be lower than 2mV resulting in a capacitor of ...

Page 46: ...the output pins 11 and 12 These are AC coupled to the R Y and B Y colour difference input pins 32 and 31 of TDA8374 The TDA4665 needs a 5Vsupply voltage on pin 1 for the digital part and on pin 9 for the analogue part 7 11 TDA8356 Vertical deflection The TDA8356 is a vertical deflection circuit It can be used in 90 C deflection systems with frame frequencies from 50 up to 120Hz W ith its bridge co...

Page 47: ... is saturated This improves the linearity of the horizontal scan speed The required S correction for the picture tube can be adjusted with the value of C415 The beam current lim iting information is derived from the foot of the H V winding of the FBT This is connected via resistor to 8V As the beam current increase the voltage on line beam current decreases Beam current is damped by a integration ...

Page 48: ...H terminal pin 6 control of off tim e Signal to the INH terminal is used as inputs to COMP 1 and CO MP 2 inside of the control IC A threshold voltage of COMP 1 VTH1 is set at 0 75V Ta 25 and an input signal to a drive circuit becomes alm ost 0V the power transistor is in OFF m ode when a voltage at the INH terminal reaches the VTH1 A threshold voltage of COM P 2 VTH2 is set at 1 5V Ta 25 W hen the...

Page 49: ...an AC input to the power supply once 7 Thermal shutdown circuit It is a circuit to trigger the latch circuit when the frame tem perature of the IC exceeds 150 typical Although the temperature is actually sensed at the control chip it works against overheating of the power transistor as the power transistor and the control IC are mounted on the sam e lead frame 8 Over voltage protection circuit It ...

Page 50: ...37 7 952 51 3 722 10 3 91 24 3 360 38 3 242 52 3 828 11 3 312 25 3 36 39 6 055 53 3 744 12 7 842 26 0 152 40 3 452 54 3 006 13 3 69 27 2 406 41 0 707 55 2 947 14 0 28 2 404 42 4 538 56 4 21 PIN NO VOLT PIN NO VOLT 1 4 862 9 4 858 2 0 10 0 3 0 11 2 938 4 0 12 2 94 5 0 7 13 0 6 0 56 14 1 2 7 2 24 15 0 8 0 16 1 2 PIN NO VOLT PIN NO VOLT PIN NO VOLT PIN NO VOLT 1 0 285 5 2 825 9 0 13 0 2 2 785 6 0 10 ...

Page 51: ... 2 63 22 2 61 2 63 23 3 45 1 86 24 2 57 2 57 6 24C08P I703 PIN NO VOLT 1 0 2 0 3 0 4 0 5 5 26 6 5 1 7 0 8 5 1 7 BA6209 IN03 PIN NO REC PB 1 0 0 2 0 5 0 5 3 0 84 0 84 4 6 1 6 1 5 0 0 6 0 0 7 12 3 12 5 8 12 3 12 5 9 0 86 0 86 10 0 5 0 5 STV8225 IL02 PIN NO VOLT PIN NO VOLT 1 4 6 8 6 4 2 4 7 9 3 1 3 0 10 0 4 0 11 4 3 5 3 1 12 8 7 6 4 3 13 4 3 7 4 3 14 4 35 10 LA70001 IY04 PIN NO REC PB 1 2 03 2 04 2 ...

Page 52: ... 2 91 70 0 02 0 00 11 3 07 2 38 31 4 08 4 08 51 4 23 4 25 71 2 39 2 38 12 2 32 2 31 32 1 80 0 28 52 3 22 3 20 72 0 01 0 01 13 1 71 2 08 33 0 58 0 58 53 0 00 0 04 73 2 39 2 38 14 2 95 0 31 34 2 17 0 00 54 2 15 2 09 74 2 41 2 41 15 0 00 3 25 35 3 14 3 16 55 5 15 5 13 75 2 39 2 38 16 2 56 2 59 36 5 09 5 06 56 5 15 5 13 76 5 15 5 14 17 3 32 1 64 37 0 59 0 59 57 0 01 0 00 77 2 49 2 48 18 2 11 1 56 38 1...

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Page 56: ...C OK CHECK Q401 Q402 T401 C418 R401 R402 R407 R409 I301 D301 D302 CHECK DATA CLOCK AT PIN 7 8 OF I501 CHECK PULSE AT PIN 6 13 38 OF I501 CHECK PULSE R G B FB AT PIN 18 19 20 21 OF I501 CHECK CONNNECTOR PA904 P401 PA408 DECK EXCHANGE CHECK I801 9 VOLT I801 7 1 VOLT CHECK R817 D801 D804 EXCHANGE I801 CHECK D811 D815 CHECK I802 804 805 OK NG NG NG NG NG NG NG OK OK OK OK OK OK OK OK OK NG OK CHECK H ...

Page 57: ...Y IN OUT AT PIN 29 30 31 32 OF I501 CHECK QC504 QC512 CHECK I502 I503 AND VCC CHECK SIGNAL AT PIN 18 19 20 21 OF I501 NG NG NG NG OK OK OK OK OK CHECK R Y B Y SIGNAL AT PIN 31 32 OF I501 TDA8374 CHECK R G B SIGNAL AT PIN 19 20 21 OF I501 CHECK R Y B Y SIGNAL AT PIN 29 30 OF I501 CHECK REPLACE I901 I902 I903 CRT BOARD CHECK REPLACE I501 TDA8374 CHECK REPLACE I502 TDA4665 CHECK X501 X502 CC523 CC524...

Page 58: ...IN H CHECK QCY17 QC601 AND ADJACENT CIRCUIT SPEAKER SPEAKER CONNECTOR NG NG NG OK OK OK SCART JACK INPUT CHECK SIGNAL AT PIN 23 24 25 OF I501 RCA JACK INPUT CHECK SIGNAL AT PIN 11 OF I501 CHECK SWITCHING VOLTAGE ABOUT 2 2V AT PIN 26 OF I501 CHECK SCART JACK AND PATTERN CHECK QC511 AND ADJACENT CIRCUIT CHECK I701 AND ADJACENT CIRCUIT CHECK REPLACE I501 CHECK AT PIN 19 OF I701 H CHECK SCART JACK AND...

Page 59: ... CN01 RCN01 CHECK AND RE ADJUST THE PATH OF DECK ADJUST THE HEAD HEIGHT AND REMOVE DUST CHECK CONNECTOR PAY03 NG NG NG NG NG OK OK OK OK OK OK PLAYBACK PICTURE IS NOT GOOD NOISE APPEARS ON THE SCREEN ON THE WHOLE ARE SW PULSE AND HA SW APPLIED TO PREAMP CIRCUIT IS ENVE WAFEFORM SUPPLIED TO PIN4 OF PY04 CHECK FLOW A ADJUST THE PG IN SVC MODE IS SW PULSE SUPPLIED FROM PIN 18 OF IN01 CHECK CONNECTOR ...

Page 60: ...PIN 87 OF IN01 CHECK IN01 CHECK REEL SENSOR CHECK CONNECTOR AND DRUM F G CIRCUITS OK OK NG NG DRUM MOTOR LOADING STOP IS MOTOR 12V SUPPLIED IN03 7 8 PIN 12V S 6 2V SUPPLIED TO PIN 4 OF IN03 CHANGE IN03 CHECK CONNECTOR AND MOTOR CHECK POWER MODULE CHECK DN05 CHECK PAN01 AND LOADING MOTOR OK OK OK NG NG NG ...

Page 61: ...ECK RCN31 RCN32 CHECK IN01 RCN10 RCN11 NG NG NG NG OK OK OK OK DRUM MOTOR AND CAPSTAN MOTOR ROTATE AT REGULAR SPEED IN REC MODE IS C SYNC APPLIED TO PIN 84 OF IN01 CHECK C SYNC OF VIDEO IC AND PATTERN CHECK MOTOR NG OK EMERGENCY MODE WHEN PLUGGING POWER CORD IS EVER 5V APPLIED DOES XN02 OSCILLATOR IS CAM SW DATA CORRECT CHECK IN03 CHECK POWER MODULE CHECK IN01 AND XN02 RECHECK CONNECTOR AND CAM SW...

Page 62: ...LIED AT PIN 45 OF IN01 CHECK IN01 CHECK PATTERN CHECK IN03 OK OK OK OK OK NG NG NG NG NG NO SOUND IN THE PLAYBACK MODE IS THE OUTPUT AT PIN 77 OF IY01 CHECK A V SELECT CIRCUIT IS 5V APPLIED TO PIN 76 OF IY01 AND IS 5 8V APPLIED TO PIN 2 OF TY01 CHECK POWER CIRCUIT IS LESS THAN 0 2V AT PIN 80 OF IY01 IS CLOCK AND DATA APPLIED TO PIN 63 64 OF IY01 CHECK SYSCON CHECK QCY09 QCY10 QCY12 IS COLLECTOR OF...

Page 63: ... AND DATA APPL IED TO PIN 63 64 OF IY01 CHECK SYSCON CHECK RCY37 RCY38 CCY27 CHECK IY01 DOES PIN 6 OF TY01 OSCILLATE IS THE VOLTAGE FROM 0 7V TO 3 0V AT PIN 5 OF IY01 AC SIGNAL IS PUT ON THE DC VOLTAGE AT PIN 5 OF IY01 CHECK AC HEAD IS THE VOLTAGE HIGHER THAN 3 0V AT COLLECTOR OF QCY06 IS THE VOLTAGE FROM 0 7V TO 0 8V AT PIN 6 OF IY01 CHECK IY01 CHECK QCY06 CHECK IY01 AC SIGNAL PUT ON 70KHz AT BAS...

Page 64: ... SW FROM PIN 16 OF IN01 SUPPLIED TO PIN 3 OF IY04 CHECK H AMP SW IS VIDEO SW FROM PIN 18 OF IN01 SUPPLIED TO PIN 4 OF IY04 CHECK VIDEO SW IS TRICK H FROM PIN 21 OF IY01 SUPPLIED TO DN07 AT ZERO VOLT CHECK TRICK H IS THE SIGNAL FROM PIN1 AND PIN3 LP MODE OR PIN5 AND PIN7 SP MODE OF PAY01 FED CHANGE IY04 IS THE SIGNAL FROM PIN7 OF IY04 FED TO C354 CHECK PB EQ CHECK VIDEO CIRCUIT REC H HIGH IN THE RE...

Page 65: ...01 FED TO PIN 10 OF IY04 CHECK CCY04 AND PCB PATTERN IS ON OFF 5V SUPPLIED TO PIN 13 OF IY04 AT 5 VOLTS CHECK ON OFF 5V IS REC H SUPPLIED TO PIN 11 OF IY04 AT 5 VOLTS CHECK REC H IS TRICK H SUPPLIED TO PIN 1 OF IY04 AT ZERO VOLTS CHECK TRICK H IS THE SIGNAL FROM PIN9 AND PIN 10 FED TO PIN 22 SP MODE AND PIN17 LP MODE OF IY04 CHECK IY04 CHANGE DRUM NG NG NG NG NG NG OK OK OK OK OK OK IY04 LA70001 ...

Page 66: ...01 FED TO PIN 26 OF IY01 IS THE LUMINANCE SIGNAL FROM PIN 26 OF IY01 FED TO PIN 18 OF IY01 IS THE MODULATING LUMINANCE SIGNAL FROM PIN 18 OF IY01 FED TO PIN 9 OF IY04 IY01 TO PREAMP CIRCUIT CHECK PCB PATTERN AND ADJACENT CIRCUIT CHECK ON OFF 5V CHECK QCY03 RCY02 RCY39 CCY46 CCY70 IS TRICK H SUPPLIED TO ANODE OF DN07 AT 0 VOLT CHECK IY01 CHECK TRICK H CHECK RY48 CCY05 OK OK OK OK OK OK NG NG NG NG ...

Page 67: ...ED COLOUR SIGNAL FROM PIN 14 OF IY01 FED TO PIN 7 OF IY04 THROUGH BUFFER QCY08 QCY11 CHECK QCY08 QCY11 AND ADJACENT CIRCUIT TO PREAMP CIRCUIT NG NG NG NG OK OK OK OK IS THE VIDEO SIGNAL FROM PIN 35 OF IY01 CHECK PCB PATTERN AND ADJACENT CIRCUIT IS ON OFF 5V SUPPLIED TO PIN 5 AND PIN 17 OF IY03 AT 5 VOLTS CHECK ON OFF 5V IS THE SIGNAL FROM PIN 24 OF IY03 FED TO PIN 12 OF IY03 AND 12dB AMP CIRCUIT C...

Page 68: ...ND PIN 47 OF IY01 AT 5 VOLTS CHECK ON OFF 5V IS THE LUMINANCE SIGNAL FROM PIN 15 OF IY01 FED TO PIN 25 OF CHECK QCY07 LY08 LY06 CCY93 CCY42 CCY92 RCY52 IS THE LUMINANCE SIGNAL FROM PIN 25 OF IY01 FED TO PIN 26 OF CHECK QCY03 RCY53 RCY39 CCY70 CCY46 RCY02 IS THE LUMINANCE SIGNAL FROM PIN 26 OF IY01 FED TO PIN 38 OF CHANGE IY01 TO TV PART OK OK OK OK OK NG NG NG NG NG ...

Page 69: ...OLOUR SIGNAL FROM PIN 15 OF IY01 FED TO PIN 48 AND PIN 50 OF IY01 CHECK IY01 IS THE SIGNAL FROM PIN 48 AND PIN 50 OF IY01 FED TO PIN 3 AND PIN 1 OF IY02 RESPECTIVELY CHECK IY01 IS THE SIGNAL OBTAINED FROM PIN 13 OF IY02 CHECK IY01 IS THE COLOUR SIGNAL FROM PIN 13 OF IY02 FED TO PIN 45 AND THROUGH PIN 52 AND 46 OF IY01 CHECK IY01 QCY01 RCY08 CY18 IS COLOUR ROTARY SUPPLY TO PIN 66 OF IY01 CHECK COLO...

Page 70: ...F 5V IS SECAM COLOUR SIGNAL FROM PIN 21 FED TO PIN 12 OF IY01 THROUGH PIN 14 AND 12dB AMP CIRCUIT CHECK 12dB AMP CIRCUIT IS C SYNC COMPOSITIVE SYNC SUPPLIED TO PIN 9 OF IY03 CHECK C SYNC IS THE SIGNAL FROM PIN 12 FED TO PIN 15 OF IY03 CHECK IY03 IS THE SIGNAL FROM PIN 15 OF IY03 FED TO PIN 46 OF IY01 CHECK CCL17 QCL05 RCL12 AND SECAM H TO TV PART THE 12dB AMP CIRCUIT CONSIST OF QCL07 RCL33 RCL34 R...

Page 71: ...TH BLACK CLOTH BLACK PACKING AS STAPLE PIN BOX CARTON PAD BAG PE CRT GROUND AS COIL DEGAUSSING CABINET AS DECO SENSOR AS SCREW TAPPING DOOR F L AS SPRING SCREW TAPPING CLAMP CORD BUTTON POWER SPRING BUTTON SCREW TAPPING MARK BRAND SCREW CRT FIXING AS SCREW CRT FIXING AS WASHER RUBBER CRT AS COIL DY RUBBER WEDGE MAGNET CP TAPE GLASS BOND SILICON DVT 14F6LA L D P E T0 05X250X400 DVT 14F6PA HIPS BK 1...

Page 72: ...59104940 CRT BARE MASK FRONT AS MASK FRONT SPEAKER AS CONN AS SPEAKER PCB MAIN MANUAL AS MODULE RF DIODE DIODE DIODE DIODE DIODE LED IR HOLDER IR LED LED LED JACK EARPHONE IC IC VIDEO PROCESSOR IC DELAY IC IC IC REGULATOR HEAT SINK ASS Y IC HEAT SINK IC SCREW TAPPTITE IC IC IC SIF IC SIF IC SWITCH IC IC PREAMP IC SECAM L IC PREAMP JACK PHONO A34JLL90X DVT 14F6LA HIPS BK DVT 14F6LA YH025 03 YST025 ...

Page 73: ...RKT EARTH TIE CABLE CLAMP WIRE SHIELD TOP SCREW TAPPING SCREW TAPPING SHIELD CASE AS SHIELD PLATE SHIELD CASE SCREW TAPPTITE SCREW TAPPING RUBBER CUSHION CONN AS CONN AS CONN AS CONN AS CONN AS CONN AS CONN HOUSING CONN AS CONN AS CONN WAFER CONN WAFER R FUSIBLE FILTER SAW FILTER SAW SR 21A1 ANGLE TYPE TRF 1201B 0 97 UH TRF A001 TRF 1201B 0 97 UH TRF 7780A STICK TRF 1015C 6 8UH J DRP 7203 2HD SP L...

Page 74: ...RACTOR JACK PHONE PLUG AS CRYSTAL QUARTZ FILTER CERA FILTER CERA PCB CHIP MOUNT B AS C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA G1966M L 9461 M SG 239S SG 239S ST 5811 D RANK ABS ST 5811 D RANK ABS JDS1105 6X JTM 1108B 2C 2P JT...

Page 75: ...CHIP CERA C CHIP CERA C CHIP TANTAL C CHIP CERA C CHIP CERA C CHIP TANTAL C CHIP CERA C CHIP TANTAL C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA 50V X7R 0 022MF K 2012 50V CH 22PF J 2012 50V CH 22PF J 2012 50V CH 82PF J 2012 50V Y5V 0 1MF Z 2012 50V Y5V 0 1MF Z 2012 50V Y5V 0 01MF Z 2012 25V X7R 0 22...

Page 76: ...ERA C CHIP CERA C CHIP TANTAL C CHIP CERA C CHIP TANTAL C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP CERA C CHIP CERA C CHIP TANTAL C CHIP CERA C CHIP CERA C CHIP CERA 50V X7R 1000PF K 2012 50V X7R 1000PF K 2012 50V X7R 1000PF K 2012 50V X7R 1000PF K 2012 50V CH 13PF J 2012 50V CH 13PF J 2012 50V X7R 180P...

Page 77: ...HIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP TANTAL C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP TANTAL C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA 50V Y5V 0 01MF Z 2012 50V Y5V 0 01MF Z 2012 50V CH 100PF J 2012 50V CH 100PF J 2012 50V X7R 1000PF K 2012 50V X7R 1000PF K 2012 50V Y5V 0 01MF Z 2012 50V Y5V 0...

Page 78: ...A C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP TANTAL C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP TANTAL C CHIP TANTAL 50V X7R 0 047MF K 2012 50V Y5V 0 01MF Z 2012 50V CH 82PF J 2012 50V Y5V 0 01MF Z 2012 50V X7R 0 047MF K 2012 50V Y5V 0 01MF Z 2012 25V 4 7MF...

Page 79: ... C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA 50V CH 10PF D 2012 50V Y5V 0 01MF Z 2012 50V Y5V 0 01MF Z 2012 50V Y5V 0 01MF Z 2012 50V Y5V 0 01MF Z 2012 50V Y5V 0 01MF Z 2012 50V X7R 0 022MF K 2012 50V Y5V 0 1MF Z 201...

Page 80: ... CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP TANTAL C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA IC CHIP SIGNALPROC IC CHIP DELAY LINE TR CHIP 50V Y5V 0 1MF Z 2012 50V Y5V 0 01MF Z 2012 50V CH 200PF J 2012 50V X7R 0 033MF ...

Page 81: ...P TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP TR CHIP 2SA812 T2B KTC3881 KTC3881 2SC1623 L6 T2B 2SC1623 L6 T2B 2SC1623 L6 T2B 2SC1623 L6 T2B 2SC1623 L6 T2B ...

Page 82: ...P R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP 2SA812 T2B 2SC1623 L6 T2B 2SC1623 L6 T2B 2SC1623 L6 T2B 2SA812 T2B 2SC1623 L6 T2B 2SC1623 L6 T2B 2SC1623 L6 T2B 2SC1623 L6 T2B 2SC1623 L6 T2B 1 10 33K OHM J 2012 1 10 4 7K OHM J 2012 1 10 47 OHM J 2012 1 10 1 ...

Page 83: ...R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP 1 10 7 5K OHM J 2012 1 10 22K OHM J 2012 1 10 330 OHM J 2012 1 10 1 5K OHM J 2012 1 10 1K OHM J 2012 1 10 1K OHM J 2012 1 10 47 OHM J 2012 1 10 560 OHM J 2012 1 10 470 OHM J 2012 1 10 750 OHM J 2012 1 10 2 4K OHM J 2012 1 10 33K OHM...

Page 84: ...CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP 1 10 10K OHM J 2012 1 10 51K OHM J 2012 1 10 10K OHM J 2012 1 10 15K OHM J 2012 1 10 15K OHM J 2012 1 10 47K OHM J 2012 1 10 15K OHM J 2012 1 10 12K OHM J 2012 1 10 1 2K OHM J 2012 1 10 33K OHM J 2012 1 10 330 OHM J 2012 1 10 390 OHM J 2012 ...

Page 85: ...CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP 1 10 100 OHM J 2012 1 10 100 OHM J 2012 1 10 1K OHM J 2012 1 10 1 2K OHM J 2012 1 10 1 2K OHM J 2012 1 10 1 2K OHM J 2012 1 10 24K OHM J 2012 1 10 4 7K OHM J 2012 1 10 47K OHM J 2012 1 10 10K OHM J 2012 1 10 10K O...

Page 86: ... R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM ...

Page 87: ... CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP 1 10 10K OHM J 2012 1 10 150K OHM J 2012 1 10 150K OHM J 2012 1 10 1M OHM J 2012 1 10 1 8K OHM J 2012 1 10 1 8K OHM J 2012 1 10 33K OHM J 2012 1 10 100K OHM J 2012 1 10 10M OHM J 2012 1 10 3K OHM J 2012 1 10 510 OHM F 2012 1 10 4 7K OHM J 2...

Page 88: ...R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP 1 10 1 3K OHM J 2012 1 10 120K OHM J 2012 1 10 3 9K OHM J 2012 1 10 22K OHM J 2012 1 10 30K OHM J 2012 1 10 560 OHM J 2012 1 10 10K OHM J 2012 1 10 33K OHM J 2012 1 10 4 3K OHM J 2012 1 10 1 5K OHM J 2012 1 10 2K OHM J 2012 1 10 8 2K OHM J 2012 1...

Page 89: ...ILM R M OXIDE FILM R M OXIDE FILM PCB MAIN RADIAL AS C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C MYLAR C MYLAR C MYLAR C MYLAR C ELECTRO C MYLAR C ELECTRO C ELECTRO 1 10 150K OHM J 2012 1 10 22K OHM J 2012 1 10 27K OHM J 2012 1 10 100K OHM J 2012 1 10 100K OHM J 2012 1 10 10K OHM J 2012 32 768KHZ 20PPM 8038 DVT 14F6LA 16V RSS 470MF 10X12 5 ...

Page 90: ...ERA C CERA C CERA C CERA C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C MYLAR C ELECTRO C ELECTRO 25V RSS 47MF 5X11 TP 25V RSS 47MF 5X11 TP 25V RSS 47MF 5X11 TP 25V RSS 47MF 5X11 TP 25V RSS 100MF 6 3X11 TP 25V RSS 100MF 6 3X11 TP 25V RSS 100MF 6 3X11 TP 50V RSS 0 47MF 5X11 TP 25V RSS 100MF 6 3X11 TP 25V RSS 47MF 5X11 TP 25V RSS 47MF ...

Page 91: ...XED R SEMI FIXED SW TACT SW TACT SW TACT SW TACT SW TACT SW TACT CRYSTAL QUARTZ CRYSTAL QUARTZ CRYSTAL QUARTZ CRYSTAL QUARTZ CRYSTAL QUARTZ FILTER CERA FILTER CERA FILTER CERA FILTER CERA PCB MAIN AXIAL AS PCB MAIN C CERA AXIAL C CERA AXIAL C CERA 50V RSM 1MF 4X7 TP 16V RSM 47MF 5X7 TP 16V RSM 47MF 5X7 TP 16V RSM 22MF 5X7 16V RSM 47MF 5X7 TP 16V RSM 47MF 5X7 TP 16V RSM 47MF 5X7 TP 16V RSM 47MF 5X7...

Page 92: ...L C CERA C CERA C CERA C CERA AXIAL C CERA C CERA AXIAL C CERA AXIAL WIRE COPPER WIRE COPPER DIODE DIODE ZENER DIODE ZENER DIODE ZENER DIODE ZENER DIODE ZENER DIODE DIODE ZENER DIODE DIODE DIODE ZENER DIODE ZENER DIODE ZENER DIODE ZENER DIODE ZENER 25V F 0 01MF Z AXIAL 25V F 0 01MF Z AXIAL 25V F 0 01MF Z AXIAL 25V F 0 01MF Z AXIAL 25V F 0 01MF Z AXIAL 25V F 0 01MF Z AXIAL 25V F 0 01MF Z AXIAL 25V ...

Page 93: ... ZENER DIODE DIODE DIODE ZENER DIODE DIODE DIODE ZENER DIODE ZENER DIODE ZENER DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE COIL PEAKING COIL PEAKING COIL PEAKING COIL PEAKING COIL PEAKING COIL PEAKING COIL PEAKING UZ 6 2BM 6 2V UZ 6 2BM 6 2V UZ 6 2BM 6 2V UZ 6 2BM 6 2V 1N4148 TAPPING 1N4148 TAPPING 1N4148 TAPPING 1N4148 TAPPING 1N4148 TAPPING 1N4003 TAPPING 1N4148 TAPPING UZ 9 1BM 9 1V 1N4148 ...

Page 94: ... COIL PEAKING COIL PEAKING COIL PEAKING R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM WIRE COPPER 5 6UH K AXIAL 3 5MM 10UH 10 5MM K LAL04TB BI 3857 BI 3857 100UH K AXIAL 10 5MM 6 8...

Page 95: ...BON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM 1 6 47K OHM J 1 6 8 2K OHM ...

Page 96: ... FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM PCB POWER MANUAL AS C MYLAR C MYLAR C LINE ACROSS C CERA AC C ELECTRO DIODE DIODE 1 6 3 3K OHM J 1 6 3 3K OHM J 1 6 1K OHM J 1 6 1K OHM J 1 6 ...

Page 97: ... SCREW TAPPTITE HEAT SINK ASS Y IC REGULATOR HEAT SINK SCREW TAPPTITE IC REGULATOR SCREW TAPPTITE IC REGULATOR SCREW TAPPTITE IC REGULATOR IC STAND BY IC AMP IC AMP IC AMP COIL H LINEARITY FILTER LINE CONN WAFER CONN WAFER CONN WAFER CONN AS CORD POWER AS CORD POWER TR HEAT SINK SCREW TAPPTITE POSISTOR R CEMENT SW RELAY SW RELAY BYW95C TAPPING UPC574J SEMKO F4AH 4A 250V MF51 1TDA8356 7174301011 TD...

Page 98: ...C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C MYLAR C CERA C ELECTRO PCB POWER M 10 AS CONN WAFER CONN WAFER TERM PIN TERM PIN TERM PIN TERM PIN CONN WAFER CONN WAFER CONN WAFER TERM PIN R M OXIDE FILM ISMM03S HD 15D HST1142 5057 TSM 4042A2 ST 22A3 DVT 14F6LA 160V RSS 47MF 13X25 TP 25V RSS 470MF 10X16 TP 2KV B 470PF K TAPPING 160V RSS 33MF 13X20 TP 160V RSS 3 3MF 8X16 TP 250V RSS 3...

Page 99: ...R RADIAL AS C CERA C CERA C CERA C MYLAR C CERA C CERA C CERA C CERA C CERA C MYLAR C CERA C CERA C CERA C ELECTRO C ELECTRO C ELECTRO C ELECTRO C ELECTRO C CERA C CERA C MYLAR C MYLAR C CERA C CERA 2W 9 1K OHM J SMALL 2W 9 1K OHM J SMALL 2W 9 1K OHM J SMALL 2W 5 1K OHM J SMALL 2W 5 1K OHM J SMALL 1W 1 2 OHM J TAPPING 1W 1K OHM J TAPPING 2W 47K OHM J SMALL 2W 5 6K OHM J SMALL 2W 47 OHM J SMALL 2W ...

Page 100: ...AS PCB POWER C CERA AXIAL C CERA C CERA AXIAL C CERA AXIAL C CERA AXIAL C CERA AXIAL C CERA DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE 50V B 560PF K TAPPING 50V F 0 047MF Z TAPPING PFC5000 0702 PFC5000 0702 610G0233 470K KTC3198Y KTC3207 TP KTC3202Y TP KTC3202Y TP KTA1266Y TP DVT 14F6LA 330X123 330X246 2 D1B 50V B 1000PF ...

Page 101: ... R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R 2 KY TAPPING 1S1888 TAPPING 1S1888 TAPPING 1S1888 TAPPING 1S1888 TAPPING 1N4148 TAPPING B...

Page 102: ...ON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM R CARBON FILM 1 2 220K OHM J 1 2 5 6M OHM J 1 2 100K OHM J 1 4 27 OHM J 1 4 4 7K OHM J 1 4 100 OHM J 1 4 68 OHM J 1 6 4 7K OHM J 1 6 3K OHM J 1 6 3K OHM J 1 6 3K OHM J ...

Page 103: ...AD 4858182200 EPS 14F6 4858182300 EPS 20F6 M822 BAG PE 4858215000 FOAM LEX 0 5T 1200 1150 4858215700 1000X950 V901 CRT BARE 48A96414P1 A34JLL90X 48A96420P1 A48JLL90X V01 COIL DY 58D1000045 ODY M2002 58D1000046 ODY M1401 ZZ132 COIL DEGAUSSING 58G0000084 DC 1450 58G0000086 DC 2050 L404 COIL H LINEARITY 58H0000016 L 102 58H0000018 L 125 C415 C MYLAR CMYE2D364J 200V PU 0 36MF J CMYE2D474J 200V PU 0 47...

Page 104: ...M 10 AS PTPWJBA570 DVT 14F6PA PTPWJBC992 DVT 20F6PA ZZ200 PCB POWER RADIAL AS PTPWJRA570 DVT 14F6PA PTPWJRC992 DVT 20F6PA ZZ200 PCB POWER MANUAL AS PTPWMSA570 DVT 14F6PA PTPWMSC992 DVT 20F6PA V901 CRT AS PTRTPWA531 DVT 14F6LA PTRTPWC857 DVT 20F6HA ZZ202 SPEAKER AS PTSPPWA570 DVT 14F6PA PTSPPWC992 DVT 20F6PA R834 R CARBON FILM RD 4Z101J 1 4 100 OHM J RD 4Z910J 1 4 91 OHM J R833 R CARBON FILM RD 4Z4...

Page 105: ... 50V EU 0 22MF C558 C ELECTRO X 25V RSS 47MF 25V RSS 47MF X X 25V RSS 47MF C819 C ELECTRO 400V LHS 180MF 400V LHS 150MF 400V LHS 150MF 400V LHS 180MF 400V LHS 180MF 400V LHS 180MF CC101 C CHIP CERA X X X X X 50V CH 22PF J CC203 C CHIP CERA X X X X X 50V CH 22PF J CC204 C CHIP CERA X X X X X 50V CH 22PF J CC211 C CHIP CERA X X X X X 50V CH 82PF J CC217 C CHIP CERA X X X X X 50V X7R 1000PF CC218 C C...

Page 106: ...X X X X 25V 4 7MF M 352 CCL21 C CHIP TANTAL X X X X X 16V 2 2MF M 321 CCL26 C CHIP TANTAL X X X X X 25V 1MF M 3216 CCL27 C CHIP TANTAL X X X X X 25V 1MF M 3216 CCL29 C CHIP TANTAL 16V 10MF M 3528 16V 10MF M 3528 16V 10MF M 3528 16V 10MF M 3528 16V 10MF M 3528 X CCL30 C CHIP TANTAL X X X X X 25V 4 7MF M 352 CCL31 C CHIP CERA X X X X X 50V CH 100PF J CCL34 C CHIP CERA X X X X X 50V Y5V 0 01MF CCL35 ...

Page 107: ...G22 1 0 65 TI AWG22 1 0 65 TI AWG22 1 0 65 TI AWG22 1 0 65 TI J014 WIRE COPPER X X AWG22 1 0 65 TI AWG22 1 0 65 TI AWG22 1 0 65 TI AWG22 1 0 65 TI J029 WIRE COPPER X X X X X AWG22 1 0 65 TI J032 WIRE COPPER X X X X X AWG22 1 0 65 TI J039 WIRE COPPER X X X X X AWG22 1 0 65 TI J050 WIRE COPPER X X X X X AWG22 1 0 65 TI J053 WIRE COPPER X X AWG22 1 0 65 TI AWG22 1 0 65 TI AWG22 1 0 65 TI AWG22 1 0 65...

Page 108: ... 65 TI J238 WIRE COPPER X X X X X AWG22 1 0 65 TI J254 WIRE COPPER X X AWG22 1 0 65 TI AWG22 1 0 65 TI AWG22 1 0 65 TI AWG22 1 0 65 TI J269 WIRE COPPER X X X X X AWG22 1 0 65 TI J274 WIRE COPPER X X X X X AWG22 1 0 65 TI J280 WIRE COPPER X X AWG22 1 0 65 TI AWG22 1 0 65 TI AWG22 1 0 65 TI AWG22 1 0 65 TI J289 WIRE COPPER X X X X X AWG22 1 0 65 TI J295 WIRE COPPER X X X X X AWG22 1 0 65 TI JS01 SOC...

Page 109: ... 6 47 OHM J R240 R SEMI FIXED RH0638C 10K OHM R505 R CARBON FILM X 1 4 10 OHM J 1 4 10 OHM J X X 1 4 10 OHM J R525 R CARBON FILM 1 6 1K OHM J 1 6 1K OHM J 1 6 1K OHM J 1 6 1K OHM J R540 R CARBON FILM X X 1 6 10K OHM J 1 6 10K OHM J 1 6 10K OHM J 1 6 10K OHM J R563 R CARBON FILM X X 1 6 47K OHM J 1 6 47K OHM J 1 6 47K OHM J 1 6 47K OHM J R738 R M OXIDE FIL 2W 33 OHM J 2W 33 OHM J 2W 33 OHM J 2W 33 ...

Page 110: ...560 OHM J 1 10 560 OHM J X X X RC702 R CHIP X X X X X 1 10 10K OHM J RC704 R CHIP X X 1 10 10K OHM J 1 10 10K OHM J 1 10 10K OHM J 1 10 10K OHM J RC726 R CHIP X X X X X 1 10 24K OHM J RC727 R CHIP X X X X X 1 10 4 7K OHM J RC731 R CHIP X X X X X 1 10 10K OHM J RC739 R CHIP X X X X X 1 10 4 7K OHM J RC774 R CHIP X X X X X 1 10 24K OHM J RCJ05 R CHIP 1 10 0 OHM 2012 1 10 0 OHM 2012 1 10 0 OHM 2012 1...

Page 111: ... 10 750 OHM J RCL18 R CHIP X X X X X 1 10 15K OHM J RCL30 R CHIP X X X X X 1 10 1K OHM J RCL31 R CHIP X X X X X 1 10 33K OHM J RCL32 R CHIP X X X X X 1 10 12K OHM J RCL33 R CHIP X X X X X 1 10 2K OHM J RCL34 R CHIP X X X X X 1 10 560 OHM J RCL36 R CHIP X X X X X 1 10 1K OHM J RL01 R CARBON FILM X X X X X 1 6 22K OHM J RL10 R CARBON FILM X X X X X 1 6 1K OHM J RL11 R CARBON FILM X X X X X 1 6 1K OH...

Page 112: ...21 SFSH5 5MCB TF21 SFSH5 5MCB TF21 SFSH5 5MCB TF21 SFSH6 0MCB TF21 SFSH5 5MCB TF21 Z503 FILTER CERA X TPS6 5MB TF21 TPS6 5MB TF21 X X X Z504 FILTER CERA TPS5 5MB TF21 TPS5 5MB TF21 TPS5 5MB TF21 TPS5 5MB TF21 TPS6 0MB TF21 TPS5 5MB TF21 M193 DECK AS DRP 7103 2HD SP DRP 7103 2HD SP DRP 7103 2HD SP DRP 7103 2HD SP DRP 7203 2HD SPLP DRP 7203 2HD SPLP M201 MASK FRONT 4852057511 4852057511 4852064301 4...

Page 113: ...2338200 7128301212 4851923500 4851923800 4853948400 4857242900 7174301011 4857243300 7124301211 7122401612 20 19 4857242000 34 33 36 37 35 38 41 40 39 43 42 4857024617 4857024510 7174301011 4857026900 7174301011 7174301011 7174301011 7124301211 4852149321 32 97P2316600 4857027301 47 48 46 97P4602700 4855415800 7122401612 4857018900 4857913304 50 49 51 7128301212 45 44 4857817610 4857817611 FELT T0...

Page 114: ... 1 1 1 1 1 4 2 2 T2S RND 3X12 MFZN T2S TRS 4X16 MFZN BK DRP 7103 2HD SP TT2 RND 3X10 MFZN T2S WAS 3X12 MFZN BK DVN 14F7JA C5212P 1 2H T0 15 1 SPTH C T0 3 1 ABS 2 SECC T 0 8 SPTH C T0 3 1 3 1 1 1 6 1 1 1 16 25 25 28 16 25 16 19 POWER PCB 4857024510 7128301212 4857024602 4857026900 7122401612 4857027301 4857913304 7174301011 7174301011 7174301011 41 31 32 39 33 38 37 36 35 34 42 43 40 7174301011 97P...

Page 115: ...ED MODEL Subject Tuner change New model Please file and use this Revision 1 for the CP 420 chassis with the basic service manual DVT 14F7 LA PA FA DVT 14F9 LA PA FA DVT 20F7 LA PA FA DVT 20F9 LA PA FA DVT 21F1 LA PA FA DVT 21F2 LA PA FA Service Manual ...

Page 116: ...e If this frame is gray color old black then the New Tuner S N 4859719730 is used 2 Tuners Old 4859717030 New 4859719730 are not interchangable Each tuner should be replaced with the same one But Main PCB Assy Old New are interchangable by itself CAUTION ...

Page 117: ...2 Main PCB Assy Circuit Diagram SECTION BEFORE AFTER MAIN TUNER ...

Page 118: ...3 SECTION BEFORE AFTER SUB TUNER ...

Page 119: ...0V X7R 1000PF K 20 X X MAIN TUNER U101 AREA 18 CC115 C CHIP CERA HCBK103KCA 50V X7R 0 01MF K 20 X X MAIN TUNER U101 AREA 19 CC116 C CHIP CERA HCQK101JCA 50V CH 100PF J 2012 X X MAIN TUNER U101 AREA 20 CC117 C CHIP CERA HCBK103KCA 50V X7R 0 01MF K 20 X X MAIN TUNER U101 AREA 21 CC207 C CHIP CERA HCFK104ZCA 50V Y5V 0 1MF Z 2012 X X SUB TUNER U102 AREA 22 CC211 C CHIP CERA HCQK820JCA 50V CH 82PF J 20...

Page 120: ...NE CHIP IY01 AREA 60 J281 WIRE COPPER 85801065GY AWG22 1 0 65 TIN CO X X MAIN TUNER U101 AREA 61 J283 WIRE COPPER 85801065GY AWG22 1 0 65 TIN CO X X MAIN TUNER U101 AREA 62 J302 WIRE COPPER X X 85801065GY AWG22 1 0 65 TIN CO MAIN TUNER U101 AREA 63 J303 WIRE COPPER X X 85801065GY AWG22 1 0 65 TIN CO MAIN TUNER U101 AREA 64 J304 WIRE COPPER X X 85801065GY AWG22 1 0 65 TIN CO TIMER I701 AREA 65 J305...

Page 121: ...97 RC116 R CHIP HRFT221JCA 1 10 220 OHM J 2012 X X MAIN TUNER U101 AREA 98 RC221 R CHIP HRFT333JCA 1 10 33K OHM J 2012 X X SUB TUNER U102 AREA 99 RC241 R CHIP HRFT000 CA 1 10 0 OHM J 2012 X X SUB TUNER U102 AREA 100 RC566 R CHIP HRFT561JCA 1 10 560 OHM J 2012 HRFT101JCA 1 10 100 OHM J 2012 SIF IN I701 1 AREA 101 RC784 R CHIP X X HRFT000 CA 1 10 0 OHM 2012 MAIN TUNER U101 AREA 102 RCJ16 R CHIP HRFT...

Page 122: ...IPS BK CORE A O 4852067701 HIPS BK O M211 COVER BACK 4852149381 FR HIPS BK O 4852149881 FR HIPS BK O 4852151701 HIPS BK O M231 HOLDER AC CORD 97P2316600 NYLON66 UL CSA O O M351 4853525500 FR HIPS BK O M291 SPKR NET L 4852929901 PS T0 5 O M292 SPKR NET R 4852929900 PS T0 5 O M331 RETAINER BACK 4853311601 HIPS NC O M332 RETA BACK 4853312501 HIPS NC O M481 BUTTON POWER 4854853901 ABS O 4854845801 ABS...

Page 123: ...03 35098 ULW 200 O O R301 R CARBON FILM RD 4Z182J 1 4 1 8K OHM J O RD 4Z222J 1 4 2 2K OHM J O RD 4Z272J 1 4 2 7K OHM J O R419 R M OXIDE FILM RS01Z129J 1W 1 2 OHM J TAPPING O RS01Z249J 1W 2 4 OHM J TAPPING O RS01Z279J 1W 2 7 OHM J TAPPING O R572 R CARBON FILM RD AZ822J 1 6 8 2K OHM J O RD AZ682J 1 6 6 8K OHM J O O R833 R CARBON FILM RD 4Z472J 1 4 4 7K OHM J O RD 4Z512J 1 4 5 1K OHM J O O R834 R CAR...

Page 124: ...8G0000084 DC 1450 O 58G0000086 DC 2050 O 58G0000074 DC 2070 O ZZ200 MASK FRONT AS PTFMSJA531 DVT 14F6LA O PTFMSJC850 DVT 20F6LA O PTFMSJD171 DVT 21F1LA O ZZ290 PCB MAIN MANUAL AS PTMPMSA531 DVT 14F6LA O PTMPMSC850 DVT 20F6LA O PTMPMSD171 DVT 21F1LA O ZZ300 PCB POWER MANUAL AS PTPWMSC850 DVT 20F6LA O PTPWMSD171 DVT 21F1LA O PTPWMSA531 DVT 14F6LA O ZZ202 SPEAKER AS PTSPPWA531 DVT 14F6LA O O PTSPPWD1...

Page 125: ...10 Exploded View MV1421 model ...

Page 126: ...11 Exploded View MV1422 model ...

Page 127: ...12 Exploded View MV4822 model ...

Page 128: ...13 Exploded View DVT 20F9 model ...

Page 129: ...14 Exploded View DVT 21F1 model ...

Page 130: ...15 Exploded View DVT 21F2 model ...

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