service manual icf
Contents
1. ELECTRICAL PARTS LIST Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when order ing these items The components identified by mark A or dotted line with mark A are critical for safety Replace only with part number specified e XX and X mean standardized parts so they SEMICONDUCTORS may have some difference from the original In each case u u for example _ ae UA 0 UPA PA RESISTORS uPB uPB uPC uPC AMO DEE TC HCE TIO DOUG All resistors are in ohms uPD uPD METAL Metal film resistor CAPACITORS METAL OXIDE Metal oxide film resistor uF uF F nonflammable COILS e Abbreviation uH uH AUS Australian EA Saudi Arabia IT Italian SP Singapore Ref No Part No Description Remark Ref No Part No Description Remark C14 1 124 907 11 ELECT 10uF 20 50V A 3662 242 A MAIN BOARD COMPLETE C290L C15 1 101 005 00 CERAMIC 22000PF 50V A 3662 244 A MAIN BOARD COMPLETE C290 AUS C290 A 3662 246 A MAIN BOARD COMPLETE C290 AEP SP A 3662 247 A MAIN BOARD COMPLETE C290 IT C15 1 162 847 11 CERAMIC 0 047uF 10 16V A 3662 248 A MAIN BOARD COMPLETE C290 Uk C290L C16 1 124 903 11 ELECT 1uF 20 50V A 3662 801 A MAIN BOARD COMPLETE C290 EA C17 1 104 664 11 ELECT 47uF 20 10V A 3679 648 A MAIN BOARD COMPLETE C290 E C18 1 162 851 11 CERAMIC 0 1uF 10 16V EPCS sh Cnr 3 C19 1 12. 5 3 018 228 01 BUTTON BLACK AIS 1 765 458 11 CORD POWER C290 AUS 5 3 018 228 11 BUTTON WHITE ATS 1 769 578 11 CORD POWER C290 UK 6 A 3662 242 A MAIN BOARD COMPLETE C290L 17 7 621 770 87 SCREW P 2 6X5 C290 E A 3662 244 A MAIN BOARD COMPLETE C290 AUS 18 7 685 649 79 SCREW P 3X14 TYPE2 NON SLIT 6 A 3662 246 A MAIN BOARD COMPLETE C290 AEP SP 19 3 905 767 01 PLATE SHIELD C290L 6 A 3662 247 A MAIN BOARD COMPLETE C290 IT D7 1 809 515 11 DIODE LTC 6512PDK2 C290 AUS UK E p A 3662 248 A MAIN BOARD COMPLETE C290 UK D7 1 809 515 21 DIODE LTC 6512PDK4 C290 AEP IT EA SP C290L 6 A 3662 801 A MAIN BOARD COMPLETE C290 EA 6 A 3679 648 A MAIN BOARD COMPLETE C290 E L1 1 501 765 11 ANTENNA FERRITE ROD AM 7 1 535 804 21 SNAP BATTERY C290 EXCEPT E 8 3 919 271 01 HOLDER ANTENNA C290 E L1 1 501 742 11 ANTENNA FERRITE ROD MW C290 E 8 3 922 610 01 HOLDER ANTENNA C290 EXCEPT E C290L L1 1 501 777 11 ANTENNA FERRITE ROD LW C290L SP1 1 504 748 11 SPEAKER 6 6CM 9 3 919 267 01 KNOB TUNE C290 E A T2 1 427 927 11 TRANSFORMER POWER C290 E 9 3 922 609 01 KNOB TUNE C290 EXCEPT E C290L 10 3 919 269 01 POINTER A T2 1 427 928 11 TRANSFORMER POWER 11 3 919 268 01 KNOB VOL C290 EXCEPT E C290L 16 NOTE Due to standardization replacements in the parts list may be different from the parts speci fied in the diagrams or the components used on the set SECTION 6
3. CF C290 C290L SERVI CE M ANUAL AEP Model ICF C290 C290L Ver 1 1 1998 10 UK Model With SUPPLEMENT 1 E Model 9 925 745 81 Australian Model ICF C290 Photo ICF C290 SPECIFICATIONS Time display UK North and South America and Australia 12 hour system Other countries 24 hour system Frequency range Band ICF C290 ICF C290L 87 5 108 MHz 526 5 1 606 5 kHz 87 5 108 MHz 87 5 108 MHz pj gt 530 1 605 kHz Other countries gt 153 255 kHz Speaker Approx 6 6 cm 2 5 8 inches dia Power output 150 mW at 10 harmonic distortion Power requirements North and South America 120 V AC 60 Hz Other countries 220 230 V AC 50 Hz For the power backup function 9 V DC one 6F22 battery Battery life Approx 80 hours using Sony S 006P U battery Dimensions Approx 192 x 52 x 155 mm w h d 7 5 8 2 1 8 x 6 1 8 inches incl projecting parts and controls Mass Approx 520 g 1 Ib 2 02 not incl battery UK model only Approx 575 g 1 Ib 4 2 not incl battery Design and specifications are subject to change without notice ICF C290 FM AM CLOCK RADIO ICF C290L FM LW CLOCK RADIO SERVICING NOTES HOW TO CHANGED THE CERAMIC FILTERS This model is used two ceramic filters of CF2 and CF3 You must used same type of color marked ceramic filters in order to meet same specifications Therefore the ceramic filter must changed two
4. DIODE DIODE 1 119 25TG 1 119 25TG 1 119 25TG 1 119 25TG 1 119 25TG DIODE DIODE DIODE 1N4002 LTC 6512PDK2 C290 AUS UK E LTC 6512PDK4 C290 AEP IT EA SP C290L 1 8119 25TG C290L 1 119 25TG C290 AUS DIODE DIODE lt C gt IC CXA1019S IC LM8560N lt COIL gt ANTENNA FERRITE ROD MW C290 E ANTENNA FERRITE ROD C290 EXCEPT E ANTENNA FERRITE ROD LW C290L COIL AIR CORE C290 AUS AEP UK E SP C290L COIL WITH CORE C290 IT EA COIL OSC MW C290 EXCEPT E C290L COIL MW OSC C290 E COIL AIR CORE COIL AIR CORE lt TRANSISTOR gt TRANSISTOR 2SA1175 HFE TRANSISTOR 2SA1175 HFE C290 E TRANSISTOR DTC124ESA C290L TRANSISTOR UN4111 C290L lt RESISTOR gt CARBON 22 5 1 4W CARBON 22 5 1 4W CARBON 33K 5 1 4W C290 EXCEPT E C290L CARBON 100K 5 1 4W C290 E CARBON 330K 5 1 4W C290 E Ref No R4 R5 R6 R7 R8 79 RV1 S1 S2 S3 S4 S5 S6 S7 S8 T1 Part No Description Remark 1 249 441 11 CARBON 100K 5 1 4W C290 EXCEPT E C290L 1 249 433 11 CARBON 22K 5 1 4W 1 247 887 00 CARBON 220K 5 1 4W 1 249 441 11 CARBON 100K 5 1 4W 1 249 413 11 CARBON 470 5 1 4W C290L 1 249 421 11 CARBON 2 2K 5 1 4W C290L lt VARIABLE RESISTOR gt 1 228 790 00 RES VAR CARBON 50K VOL lt SWITCH gt 1 762 231 11 1 762 232 11 1 762 233 11 1 762 233 11 1 762 233 11 SWITCH SLIDE BAND SWITCH SLIDE OFF RADIO
5. pieces together since it s supply two pieces in one package as a spare parts Center frequency 10 76 MHz Notes on chip component replacement e Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB LISHED BY SONY CLOCK H TIME SET M ALARAM SLEEP SNOOZE SLEEP OFF ICF C290 ICF C290L VOL SECTION 1 GENERAL Features Power back up function to keep the clock operating during a power interruption using a 6F22 battery not supplied Installing the Battery To keep good time your Dream Machine needs one 6F22 battery not supplied in addition to house current The battery keeps the clock operating in the event of a power interruption Before setting the time on your Dream Machine open the lid at the bottom of the unit install the battery with correct polarity and then close the lid After a power interruption the displayed time may not be always correct it may gain or lose about 10 minutes per hour Knowing When to Replace the Battery To check battery power unplug the AC power cord from the wall outlet and
6. plug it in again after a few minutes If the displayed time is incorrect replace the battery with a new one Setting the Clock 1 Plug in the unit The display will flash AM 12 00 or 0 00 2 To set the hour while holding down CLOCK press TIME SET H When the correct hour appears in the display release CLOCK 3 To set the minute while holding down CLOCK press TIME SET M When the correct minute appears in the display release CLOCK The clock will begin to operate when you release TIME SET M The clock system varies depending on the mode you own 12 hour system AM 12 00 midnight 24 hour system 0 00 midnight Each press on TIME SET H or TIME SET M advances the displayed number by one The minute digits advance to 00 after 59 The hour digits do not advance by pressing TIME SET M e To adjust the time exactly to the second release TIME SET H or TIME SET M simultancously with the time signal Operating the Radio 1 Set the function selector to RADIO ON to turn on the radio and adjust VOL volume 2 Select BAND and tune in to a station using TUNING FM AM ICF C290 only FM LW ICE C290L only To turn off the radio set the Function selector to OFF To improve radio reception FM Since the AC power cord acts as an antenna extend the cord to improve FM reception AM LW Rotate the unit horizontally for optimum reception A ferrite bar antenna is built into th
7. radio before the presct time press SNOOZE SLEEP OFF Every time you press SLEEP the sleep timer is reset to 59 minutes When you set the function selector to RADIO or BUZZER if the preset alarm time comes while the sleep timer is operating the radio or buzzer sounds depending on which you set To Use Both Sleep Timer and Alarm Function You can fall asleep to the radio sound and you will be awakened by the radio buzzer alarm at the preset time 1 Set the alarm See Setting the Alarm 2 Set the sleep timer See Setting the Sleep Timer SECTION 2 SETTING SETTING THE POWER CORD Set the power cord as illustrated below then install the lower cabinet lower cabinet power cord KNOB SETTING Turn shaft of CV1 to the LY A arrow direction fully Nf D OAN Turn RV1 to the arrow MAIN board gt i Ng direction fully oar claws claw Turn the knob VOL to the arrow direction fully Turn the knob tuning to the arrow direction fully SECTION 3 ELECTRICAL ADJUSTMENTS FM SECTION Setting BAND switch FM FM RF signal enerator g lead antenna input terminal 0 01 uF 400 Hz 30 FM modulation frequency deviation 22 5 kHz Output level as low as possible AM SECTION Setting BAND switch AM LW AM RF signal generator Put the lead wire antenna close to O 400 Hz 30 AM modulation Output level as low as
8. 62 851 11 CERAMIC 0 1uF 10 16V 1 535 804 21 SNAP BATTERY C20 1 126 968 11 ELECT 100uF 20 6 3V 3 905 767 01 PLATE SHIELD C290L C21 1 161 049 00 CERAMIC 0 0068uF 10 50V 3 919 271 01 HOLDER ANTENNA C290 E C290 E 3 922 610 01 HOLDER ANTENNA C290 EXCEPT E C290L C21 1 162 837 11 CERAMIC 0 0068uF 10 16V 7 621 770 87 SCREW P 2 6X5 C290 E C290 EXCEPT E C290L C22 1 101 004 00 CERAMIC 0 01uF 50V lt CAPACITOR gt C23 1 101 004 00 CERAMIC 0 01uF 50V C1 1 102 936 00 CERAMIC 3 0PF 0 25PF 50V C24 1 101 004 00 CERAMIC 0 01uF 50V C290 EXCEPT E C25 1 101 004 00 CERAMIC 0 01uF 50V C1 1 102 951 00 CERAMIC 15PF 5 50V C26 1 126 934 11 ELECT 220uF 20 16V C290L C27 1 124 472 11 ELECT 470uF 20 10V C2 1 102 951 00 CERAMIC 15PF 5 50V C290 EXCEPT E C290L C290 AUS AEP UK SP C290L C27 1 126 941 11 ELECT 470uF 20 6 3V C2 1 102 952 00 CERAMIC 16PF 5 50V C290 E C290 E C2 1 102 958 00 CERAMIC 20PF 5 50V C28 1 124 471 00 ELECT 1000uF 20 6 3V C290 IT EA C290 E C28 1 126 926 11 ELECT 1000uF 20 10V C3 1 102 960 00 CERAMIC 24PF 5 50V C290 EXCEPT E C290L C290 AUS AEP UK E SP C290L C29 1 101 004 00 CERAMIC 0 01uF 50V C3 1 102 961 00 CERAMIC 27PF 5 50V C30 1 101 004 00 CERAMIC 0 01uF 50V C290 IT EA C31 1 126 961 11 ELECT 2 2UF 20 50V C4 1 101 081 00 CERAMIC 130PF 5 50V C290L C290L C4 1 102 937 00 CERAMIC 4 0PF 0 25PF 50V lt FILTER gt C290 EXCEPT E C5 1 101 081 00 CERAMIC 130PF 5 50V CF1 1 5
9. 77 072 11 FILTER CERAMIC C290 C290 E CF1 1 578 677 11 FILTER CRYSTAL C290L CF2 1 760 144 61 FILTER CERAMIC C6 1 101 880 00 CERAMIC 47PF 5 50V CF3 1 760 144 61 FILTER CERAMIC C7 1 104 664 11 ELECT 47uF 20 10V C8 1 101 004 00 CERAMIC 0 01uF 50V lt CONNECTOR gt C9 1 126 963 11 ELECT 4 7uF 20 50V C10 1 101 004 00 CERAMIC 0 01uF 50V CN1 1 769 137 11 CORD CONNECTION 16 CORE C11 1 101 004 00 CERAMIC 0 01uF 50V lt TRIMMER gt C12 1 101 004 00 CERAMIC 0 01uF 50V C13 1 126 963 11 ELECT 4 7uF 20 50V CT5 1 141 227 00 CAP TRIMMER 20PF C290L 317 ICF C290 C290L Ref No Part No 616 1 141 260 00 CT1 4 1 141 526 11 CT1 4 1 141 529 11 CV1 1 141 526 11 CV1 1 141 529 11 D1 8 719 921 19 D2 8 719 921 19 D3 8 719 921 19 D4 8 719 921 19 D5 8 719 921 19 D6 8 719 052 88 D7 1 809 515 11 D7 1 809 515 21 D8 8 719 921 19 D9 8 719 921 19 IC1 8 752 055 05 IC2 8 759 821 46 L1 1 501 742 11 L1 1 501 765 11 L1 1 501 777 11 L3 1 428 163 11 L3 1 460 018 11 L4 1 406 028 00 L4 1 411 175 11 L5 1 411 136 11 L6 1 411 136 11 Q1 8 729 119 76 Q2 8 729 119 76 3 8 729 029 86 Q4 8 729 422 57 R1 1 249 397 11 R2 1 249 397 11 R3 1 249 435 11 R3 1 249 441 11 R4 1 247 891 00 9 925 745 11 Description Remark CAP TRIMMER 50PF C290L lt VARIABLE CAPACITOR gt CAP VAR CAP VAR CAP VAR CAP VAR C290 E C290 EXCEPT E C290L TUNING C290 E TUNING C290 EXCEPT E C290L lt DIODE gt DIODE DIODE DIODE
10. CH SWEDISH PORTUGUESE C290 AEP MANUAL INSTRUCTION ENGLISH FRENCH SPANISH ARABIC C290 AUS EA E SP 3 861 255 31 The components identified by mark A or dotted line with mark A are critical for safety Replace only with part number specified Sony Corporation Personal amp Mobile Communication Company 18 9710577 1 Printed in Japan 1997 9 Published by Quality Assurance Dept ICF C290 C290L SONY AEP Model ICF C290 C290L SERVICE MANUAL UK Model Australian Model 1998 10 ICF C290 SUPPLEMENT 1 File this supplement with the service manual Subject Addition of CET East European Russia and Argentina Model ICF C290 Addition of CET East European Russia and Argentina model CET East European Russia and Argentina model have been added They are the same as ICF C290 AEP model which is not described in this supplement 1 Refer to ICF C290 C290L original service manual 9 925 745 0101 for other information DIFFERENCE TABLE ICF C290 AEP model ICF 290 CET AR model Ref No Part No Description Remark Ref No Part No Description Remark A15 1 555 795 00 CORD POWER A15 1 790 124 11 CORD POWER C290 AR C290 AEP IT EA SP C290L 3 861 255 21 MANUAL INSTRUCTION 3 861 255 61 MANUAL INSTRUCTION ENGLISH GERMAN SPANISH DUTCH ENGLISH POLISH CZECH SWEDISH PORTUGUESE HUNGARIAN C290 AEP C290 CET Abbr SALON The components ide
11. LOCK gt e II capacitors are in uF unless otherwise noted pF uuF B Bt Line HOW or less are not indicated except forelectrolytics e Voltage is dc with respect to ground under no signal and tantalums detuned conditions ell resistors are in Q ond 1 4W or less unless otherwise no mark FM lt gt LW C2901 specified AM C290 FM C2901 A internal component e Voltages are token with 0 VOM Input impedance 10MQ e tponel designation Note The components identified by mark AX or R dotted line with mark AX are critical for safety e Abbreviation Replace only with part number specified talian model AUS Australian model FA Soudi Arabia model Voltage variations may be noted due to normal produc tion tolerances eSignal path ICF C290 C290L 4 3 PRINTED WIRING BOARDS E MODEL HM o a fT 2 3 a I 5 6 7 8 amp 8 9 m e Semiconductor Location Ref No ior D7 LED DISPLAY main BOARD I co N Onl D E D E D D A C C B E 9 gt zl e 8 POWER SUPPLY a BATTERY L BOARD SIZE 6F22 ue f 7 IEC DESIGNATION 006P SP gt FPC 9V POWER BACK UP FOR CLOCK ie 2 KEEP THE CORRECT TIME DURING POWER STOPAGE T2 POWER TRANSFORMER Note on Printed Wiring Board e o parts extracted from the component side o parts extracted from the conductor side e ii i
12. ON ALARM SWITCH KEYBOARD ALARM SWITCH KEYBOARD MeTIME SET SWITCH KEYBOARD TIME SETH 1 762 233 11 1 762 233 11 1 762 233 11 SWITCH KEYBOARD CLOCK SWITCH KEYBOARD SLEEP SWITCH KEYBOARD SNOOZE SLEEP OFF lt TRANSFORMER gt 1 404 790 11 TRANSFORMER IF K K K K K K K KK K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K A15 A15 A15 A15 SP1 A T2 A T2 MISCELLANEOUS KOK K K K K K K K K K K K K 1 555 795 00 CORD POWER C290 AEP IT EA SP C290L 1 558 566 21 CORD POWER C290 E 1 765 458 11 CORD POWER C290 AUS 1 769 578 11 CORD POWER C290 UK 1 504 748 11 SPEAKER 6 6CM 1 427 927 11 TRANSFORMER POWER C290 E 1 427 928 11 TRANSFORMER POWER C290 EXCEPT E C290L KK K K K K K K K K K KK K K K K K K K K K K K K K K KK K K K K K K K K K ACCESSORIES amp PACKING MATERIALS K K K K K K K K K K K K K K K K K K K K K K 3 324 066 01 SHEET PROTECTION C290 E 3 861 255 11 MANUAL INSTRUCTION ENGLISH FRENCH GERMAN DUTCH ITALIAN C290 IT UK C290L 3 861 255 21 MANUAL INSTRUCTION ENGLISH GERMAN SPANISH DUT
13. by mark AX or e Voltages are taken with a VOM Input impedance 10MQ Voltage variations may be noted due to normal produc tion tolerances dotted line with mark AX are critical S ioi Lak for safety gt FM Replace only with part number specified IC Block Diagrams IC1 Q 6 30 CXA1019S ue 58 oS 9fHZ E Oo xt gt CIE lt O lt L 29 428 427 426 425 AF POWER AMP FM DISCRI IC2 LM8560N FM AM BAND SELECT SNOOZE DISPLAY 50 60Hz BY DET GATE ma 50 60Hz 1 25 OR 1 30 50 60Hz 1kHz BLANK amp SEC FLASH CTR OUTPUT DECODER DRIVER SEGMENT OUTPUT T DISP amp S SAMPLE GATE SLEEP DISPLAY 50 60Hz FE GND FM AM IF OUT HOUR SET MIN SET 2 50 60Hz SLEEP OFF ALARM OUTPUT G VDD 2Hz DISPLAY CONTROL 2Hz SEC RSTYHLD T RST AL RST SEC DISP T DISP AL DISP SL DISP OUTPUT CONTROL TONE SLEEP PWR UP CTR ALARM amp ALARM amp S SAMPLE F SAMPLE ALARM ALARM MIN CTR HR CTR TI COMPARATOR ME TIME MIN CTR HR CTR TIME amp TIME amp S SAMPLE F SAMPLE 15 NOTE e XX and X mean standardized parts so they may have some difference from the original one e Color Indication of Appearance Parts Example KNOB BALANCE RED T Parts Color Cabinet s Color e Abbreviation AUS Aus
14. e unit This section is extracted from instruction manual Setting the Alarm To set the radiu alarm first tune in to a station and adjust the volume 1 To set the hour for alarm while holding down ALARM press TIME SET H When the desired hour appears in the display release ALARM 2 Toset the minute for alarm while holding down ALARM press TIME SET M When the desired minute appears in the display release ALARM 3 Set the Function selector to the alarm sound of your choice RADIO or BUZZER The alarm will come on at the preset time and automatically turn itself off after 119 minutes e To shut off the alarm set the function selector to OFF To sound the alarm at the preset time the next day set the function selector to RADIO or BUZZER again To cancel either alarm set the function selector to OFF To doze a few more minutes press SNOOZE SLEEP OFF The alarm will shut off but will come on again after about 9 minutes You can repeat this process as many times as you like To adjust the radio alarm volume turn VOL The buzzer volume is fixed To check the preset time press ALARM Setting the Sleep Timer Enjoy falling asleep to the radio using the built in sleep timer that shuts off the radio automatically after a preset time 1 While listening to the radio set the function selector to OFF 2 Press SLEEP The radio turns on It will go off after 59 minutes To turn off the
15. ndicates side identified with part number internal component ICF C290 C290L SCHEMATIC DIAGRAM E MODEL See page 15 for IC Block Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 07 LTC 6512P K2 LED DISPLAY O O B B O D O O O O O O O O O i es SE HE a COUT z SE See EE ER HE EE SWITCHING cra 1g le a Came A Se Ha Ss a S COVE RAGE DIGITAL ALARM CLOCK PATTERN COIL ou D Le 0 A LL e Zz N N Q 29 Lu Lu pa Ie L1 R4 Ww 0 Ne Or OU AM FERRITE ROD 330k 52 2 5 Ww 28 8 3 3 ANTTENA RADIO ALARM 2 a Ho n no OFF ON RADIO gt BUZZER 9469 067 2 CTI L1 AM TRACKING 4 8 5 5 BATTERY FM AM SIZE 6F 22 FRONTEND 2546335 IEC DESIGNATION 006P aE a SWITCHING lt BACK UP CLOCK gt 01 IC CXA10195 53 54 M TIME SET 05 Se ee a er Fm a NOTE e All capacitors are in F unless otherwise noted pF puF e Bt Line SOW or less are not indicated except forelectrolytics adjustment for repair and tantalums e Voltages and waveforms are dc with respect to ground e II resistors are in Q and 1 4 or less unless otherwise under no signal deturned conditions specified no mark FM A internal component AM e panel designation Note The components identified
16. ntified by mark A or dotted EA Saudi Arabia line with mark A are critical for safety IT Italian Replace only with part number specified SP Singapore AR Argentina 98J05085 1D Printed in Japan 1998 10 Sony Corporation Published by Quality Engineering Dept 9 925 745 81 Personal A amp V Products Company Shibaura
17. possible level meter 82 EA Ta f speaker terminal e Repeat the procedures in each adjustment several times and the frequency coverage and tracking adjustments should be fi nally done by the trimmer capacitors Italian model Adjustment Location MAIN board Conductor Side FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter FM FREQUENCY L3 3 109 5 MHz 108 25 MHz LW TRACKING FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter CT2 109 5 MHz 108 25 MHz AM FREQUENCY COVERAGE ADJUSTMENT C290 Adjust for a maximum reading on level meter 520 kHz 516 5 KHZ AM TRACKING LW FREQUENCY COVERAGE ADJUSTMENT C290L FM TRACKING LW FREQUENCY AM FREQUENCY COVERAGE COVERAGE LW TRACKING ADJUSTMENT C290L Adjust for a maximum reading on level meter AM IF ADJUSTMENT Adjust for a maximum reading on level meter T1 455 kHz ICF C290 C290L SECTION 4 DIAGRAMS 4 1 PRINTED WIRING BOARD EXCEPT E MODEL T2 ROWER er POWER SUPPLY BOARD BATTERY SIZE 6F 22 IEC DESIGNATION 006P SPI PC 9V BACK UP CLOCK MAIN BOARD L AM C290 Lw C290L FERRITE ROD ANTENNA e Semiconductor LED DISPLAY Location BAND FM v AM C290 Lw C290L II B 7 C 9 B 9 B 8 C 7 E 7 D 6 Note on Printed Wiring Board C 8 e o parts extracted from the component side parts extracted from the conductor
18. side C 4 e indicates side identified with part number D ee A Internal component e Abbreviation D 4 IT Italian model D 6 AUS Australian mode Q4 C 9 EA Saudi Arabia model ICF C290 C290L SCHEMATIC DIAGRAM EXCEPT E MODEL See page 15 for IC Block Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 MAIN BOARD o ooo O p C2 C3 C4 ANTENNA Be UT EA 159 EXCEPT IT EA 240 EXCEPT IT EA 130p C290L COVERAGE 676 L4 5405404034030 PHOBOS HOH SHA a PTT TTT TTT TT TTT f T i a voce BOSE a SWITCHING 52 16P 5 3 lt Q F TTT lt 2 2 gt ft ft Be es ee tee ee el 3p C290 2 2 15p C290L fear CTI L1 lt 13 1 gt AM TRACKING 13 3 l SWITCHING o l DTAII4ES LW TRACKING FM FREQUENCY COVERAGE DIGITAL TP lt ALARM oN Ni CLOCK PR 1 ttc Ne Se Ce S5 SE 47p no n 2 ALARM RAD 1 0 gt BUZZER 3 2 3 3 3 3 FM AM FRONTEND IF BET AGC POWER AMP T2 i 03 BAND TRANSFORMER AM c290 9 TIO FY lcs LT leo oO e sgle sad se ls ols T AT Ler LW C290L ii POWER SUPPLY BOARD 53 2 3 313 3 02 155119 om 00 DA 1N4002 C15 0 30 0 022 C290 BATTERY 0 01 0 047 C290L SIZE 6F 22 IEC DESIGNATION 006P J osL Ce lt BACK UP C
19. tralian EA Saudi Arabia IT Italian SP Singapore SECTION 5 EXPLODED VIEW e Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items e The mechanical parts with no reference num ber in the exploded views are not supplied e Accessories and packing materials are given in the last of the electrical parts list The components identified by mark or dotted line with mark A are critical for safety Replace only with part number specified 12 E model A except E model 7 FY including A D7 L1 os T 3 NO va 18 not supplied lt H PE yg SP 14 Ref No Part No Description Remark 6140 Part No Description Remark 1 3 018 229 01 KNOB FUNCTION BLACK a 1 654 818 11 POEWR SUPPLY BOARD C290 E 1 3 018 229 11 KNOB FUNCTION WHITE 13 3 018 227 01 CABINET LOWER BLACK C290 2 3 919 270 01 MARKER 13 3 018 227 11 CABINET LOWER WHITE C290 3 3 018 230 01 SCALE DIAL C290 AEP IT EA SP 13 3 018 227 21 CABINET LOWER BLACK C290L 3 3 018 230 11 SCALE DIAL C290 AUS UK E 13 3 018 227 31 CABINET LOWER WHITE C290L 3 3 018 230 21 SCALE DIAL C290L 14 3 369 135 21 LID BATTERY CASE 4 3 018 226 01 CABINET UPPER BLACK A15 1 555 795 00 CORD POWER C290 AEP IT EA SP C290L 4 3 018 226 11 CABINET UPPER WHITE A 15 1 558 566 21 CORD POWER C290 E
Download Pdf Manuals
Related Search