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SERVICE MANUAL Colour Television
SPECIFICATIONS
Receiving System
Colour System
Picture Tube
Ext. Antenna
Ext. In/Out
Speaker
Audio Output
Power Consumption
Dimension
Net Weight
REMOTE CONTROL
Transmitting System
Power Supply
Dimension
Net Weight
Design and specifications are subject to change without prior notice.
: M
:
NTSC
: 20 inch screen
: 75 Ohm Coaxial Cable
:
Audio/Video -In/Out
: (8 Ohm) x 2
: Maximum 3W
: AC 120V 60Hz, 84W
: 525(W) x 510(D) x 464(H)mm/
20.7(W)
x20.1(D) x 18.3(H)inch
: 22.8 kg/50.26lbs
: Infrared
: DC 3V (1.5 x 2)
: 60(W) x 200(L) x 24(D)mm/
2.4
(W) x 7.9(L) x 0.9(D)inch
: 100 g(approx)/0.22lbs
FILE NO.
Model No.PC-R20R2
(USA)
Service Ref.No.PC-R20R2-00
Product Code: 1 113 495 46
Original Version
Chassis Series: 3Y03
Give complete SERVICE REF.NO. for
"
parts order or servicing. It is shown on
the rating plate at the cabinet back of
the unit.
This T.V. Receiver will not work properly in
foreign countries where the television
transmission system and power source
differ from the design specifications.
Refer to the Specification table.
REFERENCE NO. SM 2300011
"
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Related Manuals for Fisher PC-R20R2
Summary of Contents for Fisher PC-R20R2
- Page 1 FILE NO. Model No.PC-R20R2 SERVICE MANUAL Colour Television (USA) Service Ref.No.PC-R20R2-00 Product Code: 1 113 495 46 SPECIFICATIONS Receiving System Colour System NTSC Original Version Picture Tube : 20 inch screen Ext. Antenna : 75 Ohm Coaxial Cable Ext. In/Out...
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Page 2: Table Of Contents
Contents Safety Notice..............2 Chassis Block Diagram............3 IC Block Diagram ............4-7 PCB Top Layer .............8-9 Service Adjustments ..........10-16 Purity and Convergence Adjustment .......17 Control Location............18 Input and Output Terminals..........19 Operation Instructions..........20-21 Mechanical Disassemblies ..........22 Cabinet Parts List ............23 Circuit Diagram..............24 Chassis Electrical Parts List........25-33 Safety Notice SAFETY PRECAUTIONS 1:An isolation transformer should be connected in the power line between the receiver and... -
Page 3: Chassis Block Diagram
Chassis Block Diagram 22-25... -
Page 4: Ic Block Diagram
IC Block Diagram IC 001 (MULTI SYSTEM COLOR TV CPU) LC863224A... - Page 5 IC Block Diagram IC 201 (IIC BUS SINGLE CHIP VIF,SIF,VIDEO CHROMA) LA76814K 7.5K 330p 0.015u 4.7K 0.01u MetalFilm(1%) 0.33u( 0.33u( 5.6k 1000p 0.01u 0.01u 0.1u( 0.1u( 0.1u( 0.01u 0.1u 680K 100K 100K 2.2u 0.47u 0.47u 0.01u 1000p 0.022u( 3K 0.01 0.01u( 1000p...
- Page 6 IC Block Diagram IC301 <Vertical Output> LA7840 PUMP THERMAL PROTECTION IC 403 (3W AUDIO OUTPUT)LA 4285 + + + + RL 8 INT/EXT D.C. CONT...
- Page 7 IC Block Diagram IC602 <POWER > STR-G6653 LATCH O.V.P START DRIVE REG. Vth(1) O.S.C T.S.D Comp1 O.C.P/F.B Vth(2) Comp2 Comp2 IC603 <PHOTO TRANSISTOR> TLP621 TLP621 1:ANODE 2:CATHODE 3:EMITTER 4:COLLECTOT...
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Page 8: Pcb Top Layer
MAIN PCB Top Layer... - Page 9 CRT, FRONT AV&CONTROL PCB Top Layer FRONT AV & CONTROL PCB TOP LAYER...
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Page 10: Service Adjustments
Service Adjustments Please notice the following before alignment and equipment 1. Don’t short any two soldering points, which should not be shorted and don’t touch any components, which should not be touched. 2. Please pull out plug before equipment. 3. For safety reasons, all components equipped or replaced should be identical with BOM. 4. - Page 11 Service Adjustments B+ adjustment a. Disconnect horizontal load. Connect a bulb (100 W) AC 250V across C321. b. Add 220V AC 50HZ to CN601 and switch on power switch. c. Test the voltage with digital voltage meter between C321 two terminals. d.
- Page 12 Ver tical size and pincushion adjustment Service Adjustments White balance adjustment (Applied when servicing) a. Set TV AV status and receive GREY SCAL. b. The one sampling tube of CRT color analyzer (CA-100) covers on GREY signal and the another covers on white signal. c.
- Page 13 Ver tical size and pincushion adjustment Service Adjustments COLOR PURITY ADJUSTMENT Before color purity adjustment, Warm up the TV set over 15 minutes and fully degauss. Receive pure white signal in AV status and set the TV receiver dynamic. Go to factory mode “MENU2”. After write down the values of R-BIAS and B-BIAS, set the values of R-BIAS and B-BIAS zero.
- Page 14 Ver tical size and pincushion adjustment Service Adjustments APPENDIX FACTORY MENU DISCRIPTION MENU1 VALUE DISCRIPTION V.SIZE Align vertical amplitude V.POS Align vertical DC bias V.LINE Align vertical linearity V.SC Align vertical S-correction H.PHASE Align sync to flyback phase H.BLK.RL H-blanking Control(Width /Phase) H.FREQ Align ES Sample horizontal frequency MENU2...
- Page 15 Ver tical size and pincushion adjustment Service Adjustments OPTION 2 AV.CH Select AV numbers(0/ No AV;1/1 AV; 2,3/2AV) SRH.SPEED Select auto search speed(0/fastest, 7/lowest) TDA9852 Disable 9852(0/disable; 1/able) TUN.AS.V Select the Tuner address(0/Tuner pin3 to ground;1/pin3 not used) 9852 AUTO.ADJ ADJ.FREQ Disable auto adjusting(0/disable;...
- Page 16 Ver tical size and pincushion adjustment Service Adjustments TDA3 stereo adjust on/off AT1-AT2 attack time at AVL TC2-TC0 timing current alignment data WR.ERR RD ERR MANU ADJ STEREO mode selection for line out mode selection for line out White Balance address White Balance address LA76814 ADDRESS Data Name...
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Page 17: Purity And Convergence Adjustment
Purity and Convergence Adjustment COLOR PURITY ADJUSTMENT (1) Before color purity adjustment,warm up the TV set over 15 minutes and fully degauss. (2) Receive pure white signal in AV status and set the TV receiver dynamic. (3) Go to factory mod MENU2. After write down the values of R-BIAS and B-BIAS, set the values of R- BIAS and B-BIAS zero. -
Page 18: Control Location
Control Location 1. Remote Sensor 2. Power Indicator 3. Main Switch 4. Speakers 5. Program Down & Up Button 6. Volume Down & Up Button 7. Menu Button 8. AV/TV Button 9. Front AV In (Option) 10. Audio/Video - In/Out Jack 11. -
Page 19: Input And Output Terminals
Input and Output Terminals VIDEO AND AUDIO INPUT/OUTPUT TERMINALS 1. Video / Audio input for playback for VCR. 2. Video / Audio output for TV monitor output. *Please keep AC cord unplugged when connecting TV system. (STEREO) AV-OUT AV-IN VIDEO AUDIO VIDEO AUDIO... -
Page 20: Operation Instructions
Operation Instructions Turn the TV set on, then power indicator will light up. After a few seconds , the currently program number is displayed on the top right -hand corner of the screen. MENU BUTTON 1.Press this button to select menu. VIDEO, TIME, and SETUP menu can be selected cyclically. Exit Menu Video Menu Audio Menu... - Page 21 Operation Instructions Setup menu 1.After enters the setup menu, you press the PROG+/-buttons to select PRESET MENU, CCD MENU and V-CHIP MENU. Video Audio 2.Select the Language item by the PROG+/-buttons, and press the VOL.+/- Preset Captain Time buttons to select the desired language . The screen menu is automatically V-Chip displayed in that language.
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Page 22: Mechanical Disassemblies
Mechanical Disassemblies CABINET BACK REMOVAL CHASSIS REMOVAL 1. Refer to Figure 1,remove 9 screws. 1. Remove cabinet back. 2. Pull off cabinet back and remove. 2. Discharge the picture tube anode(2nd anode lead) to the dag coating (picture tube grounding lead). 3. -
Page 23: Cabinet Parts List
Cabinet Parts List Key No. Part Number Description SKCM 0021NZM110 CABINET COLOUR MATCH-METAL SILVER GREY #MSG001(3Y07)(3Y03) FOR SANYO SK100721NZM 002 FRONT LENS (REMOTE CONTROL WINDOW) SK100721NZM 002 FRONT LENS (LED WINDOW) Sk190100821210 POWER KNOB SPRING - DIA.0.6SPRING WIRE SK100425TM 0002 SIDE AV JACK BRACKET-DARK GREY #DG001(ABS) SK100821NZM 001 CONTROL KEY KNOB-ELECTROPLATING SILVER(ABS) -
Page 24: Circuit Diagram
AR IN 9V(2) AR-OUT R114 R407 2.2K 9V(2) R408 R409 12/1W 2.2K C418 R108 C114 R109 L102 TUNER 0.22U/M C415 X401 5.6K 0.01U 0.82UH 220U/16V IC402 503F58 C107 R105 ZD401 R410 LA4285 R103 0.01U C442 120K C109 0.01U 0.01U Q101 C427 C104 C441... -
Page 25: Chassis Electrical Parts List
Chassis Electrical Parts List location quantity description SK013YA3Y03203M MAIN¡¡ASSEMBLY &C308 SK4500141481T0 NORMAL RECTIFIER DIODE 1N4148 150mA/100V &D221 SK4300BE476ET0 ELECTROLYTIC CAPACITOR 47uF 35V +/-20% &D602 SK4500141481T0 NORMAL RECTIFIER DIODE 1N4148 150mA/100V &J123 SK4500400056T0 ZENER DIODE 5V6 1/2W C001 SK4300AF103HT0 CERAMIC CAPACITOR 0.01uF 50V +80-20% C004 SK4300AF221CT0 CERAMIC CAPACITOR 220PF 50V +/-5%... - Page 26 location quantity description C238 SK4300MG562DT0 MYLAR CAPACITOR 0.0056uF 100V +/-10% C239 SK4300EF224DT0 METALLIZED POLYESTER FILM CAPACITOR 0.22UF 63-100V +/-10% C240 SK4300BD106ET0 ELECTROLYTIC CAPACITOR 10uF 25V +/-20% C241 SK4300NF390CT0 NPO CERAMIC CAPACITOR 39PF 50V +/-5% C242 SK4300MG102DT0 MYLAR CAPACITOR 0.001uF 100V +/-10% C245 SK4300NF390CT0 NPO CERAMIC CAPACITOR 39PF 50V +/-5%...
- Page 27 location quantity description C616 SK4300BH107EC1 ELECTROLYTIC CAPACITOR 100uF 160V +/-20%(FORMED, PITCH=7.5mm) C617 SK4300BD108E00 ELECTROLYTIC CAPACITOR 1000uF 25V +/-20% C618 SK4300BD477E00 ELECTROLYTIC CAPACITOR 470uF 25V +/-20% C619 SK4300AM681DT0 CERAMIC CAPACITOR 680PF 500V +/-10% C620 SK4300BF106ET0 ELECTROLYTIC CAPACITOR 10uF 50V-63V +/-20% C621 SK4300AF103HT0 CERAMIC CAPACITOR 0.01uF 50V +80-20% C623...
- Page 28 location quantity description IC603 SK4701T6210J04 I.C. TLP621 TOSHIBA (PHOTO TRANSISTOR) J058 SK4100AD6800T0 CARBON FILM RESISTOR 68 OHM 1/4W +/ -5% J147 SK4100AD1020T0 CARBON FILM RESISTOR 1K OHM 1/4W +/-5% L101 SK4800011010T0 PEAKING COIL 100uH +/-10% L102 SK480001008200 PEAKING COIL 0.82uH L203 SK480020457500 PIF AND AFC COIL FOR NTSC 45.75MHz TDA8222 I.C.
- Page 29 location quantity description R049 SK4100AD4720T0 CARBON FILM RESISTOR 4.7K OHM 1/4W +/-5% R050 SK4100AD1030T0 CARBON FILM RESISTOR 10K OHM 1/4W +/-5% R051 SK4100AD1010T0 CARBON FILM RESISTOR 100 OHM 1/4W +/-5% R052 SK4100AD1010T0 CARBON FILM RESISTOR 100 OHM 1/4W +/-5% R065 SK4100AD4720T0 CARBON FILM RESISTOR 4.7K OHM 1/4W +/-5% R067...
- Page 30 location quantity description R413 SK4100AD4720T0 CARBON FILM RESISTOR 4.7K OHM 1/4W +/-5% R427 SK4100AD1030T0 CARBON FILM RESISTOR 10K OHM 1/4W +/-5% R428 SK4100AD1030T0 CARBON FILM RESISTOR 10K OHM 1/4W +/-5% R429 SK4100AD1030T0 CARBON FILM RESISTOR 10K OHM 1/4W +/-5% R430 SK4100AD1030T0 CARBON FILM RESISTOR 10K OHM 1/4W +/-5% R436...
- Page 31 location quantity description T301 SK510004100000 HORIZONTAL DRIVE TRANSFORMER F OR LOW VOLTAGE T601 SK480006300500 LINE FILTER 30mH X 2 TUNER SK5200457W0200 M/N 181CH WORLD STANDARD FS TUNER IF45.7 5MHz FOR 5V W/O AFT AGC 4V F -TYPE VR601 SK420022020000 SEMI-FIXED RESISTOR 2KB (H) X001 SK490013275200 CRYSTAL 32.768000KHz JU38 CL:12.5PF +/-20PPM...
- Page 32 location quantity description SK043YD21NZY01M CONTROL ASSEMBLY CN001 SK540092500005 WAFER 2.5mm H X 5 PIN CN0011 SK540142036205 90 DEGREE PIN 05+HOUSING 05(TJC3)+360mmFLAT CABLE UL2468 AWG26 SK4300AF223HT0 CERAMIC CAPACITOR 0.022uF 50V +80-20% LED002 SK570015012000 LED LIGHT EMISSION 3.1mm RED LONG LEAD M002 SK530014261100 INFRARED RECEIVER MODULE 38KHz GP1U261R/ GP1UA261RK 90 DEGREE PIN SK5800D21NZY00...
- Page 33 location quantity description R628 SK4100AD2200T0 CARBON FILM RESISTOR 22 OHM 1/4W +/-5% T302 SK510105110000 20" FLYBACK TRANSFORMER MULTI-LAYER JF0501-0500B FOCUS 23-31% T603 SK510006350000 SWITCHING TRANSFORMER BCK-35-087A F OR 3Y03 SK273Y21NZNM00M NON COMMON PARTS FOR MODEL 21NANM H601 SK5900A2231820 AC LINE CORD 2200mm (105C) W/HOLDER + 2PIN HOUSING X 1 + UL PLUG (GMU01) SK5900B7832200 MULTI TWIST WIRE #AWG22 1007 BLACK 780mm SK5900B7832290...
- Page 34 SANYO Electric Co.,Ltd Osaka,Japan...
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