Cd/am/fm/tv band/weather band kitchen clock radio (2 pages)
Summary of Contents for Sony ICF-C470
ICF-C470/C470L SERVICE MANUAL US Model Canadian Model Ver 1.1 1999. 06 E Model With SUPPLEMENT 1 Australian Model (9-926-981-81) ICF-C470 AEP Model ICF-C470/C470L UK Model ICF-C470L Photo: ICF-C470 SPECIFICATIONS ICF-C470 FM/AM CLOCK RADIO ICF-C470L FM/MW/LW 3 BAND CLOCK RADIO MICROFILM...
WT-540A. Follow the manufacturers’ instructions to use these 6-1. Block Diagram ..............9 instruments. 6-2. Printed Wiring Boards (ICF-C470) ........ 11 2. A battery-operated AC milliammeter. The Data Precision 245 6-3. Schematic Diagram (ICF-C470) ........13 digital multimeter is suitable for this job.
SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. CABINET (LOWER) 1 five screws (P3 × 14) 3 cabinet (lower) 2 two claws MAIN BLOCK 1 power transformer 5 buzzer board 6 Break the soldering of speaker lead. 3 main block 4 two claws 2 three claws...
SECTION 3 DIAL POINTER SETTING Note: Follow the assembly procedure in the numerical order given. 5 Install the MAIN board. 4 Turn VR1 to the arrow D direction fully. – BOTTOM VIEW – 3 Turn shaft of CV1 to the arrow C direction fully.
0 dB = 1 µV Adjust for a maximum reading on level meter [AM (MW/LW)*] 455 kHz * AM : ICF-C470 MW/LW : ICF-C470L AM (MW *2) FREQUENCY COVERAGE ADJUSTMENT Setting: Adjust for a maximum reading on level meter Band switch: AM (MW/LW)
Adjustment Location: – MAIN BOARD (Component Side) – L1 (L1-1 * ) AM (MW * ) Tracking Adjustment AM IF Adjustment CT1-2 FM Tracking Adjustment FM Frequency Coverage Adjustment CT1-1 CT1-4 L1-2 AM (MW * ) Tracking Adjustment Tracking Adjustment * AM (MW * ) Frequency CT1-3 Coverage Adjustment...
ICF-C470/C470L SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM CT1-2 FM TRACKING • SIGNAL PATH FM RF : FM FM/AM FRONT-END, ANT1 CV1-2 CT1-2 FM/AM IF AMP, DET, AGC, AF AMP : AM (MW/LW) TUNING FM LEAD ANTENNA • Abbreviation E13: 220 – 230 V AC 50/60Hz...
ICF-C470/C470L 6-3. SCHEMATIC DIAGRAM (ICF-C470) • See page 19 for IC Block Diagrams. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
ICF-C470/C470L 6-5. SCHEMATIC DIAGRAM (ICF-C470L) • See page 19 for IC Block Diagrams. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
ICF-C470/C470L SECTION 7 EXPLODED VIEWS NOTE: • IC Block Diagrams • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by – MAIN BOARD – mark ! or dotted line with mark may have some difference from the original are seldom required for routine service.
(2) CHASSIS SECTION ANT1 LED1 C470: AEP, IT, E13, SP/ C470L The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Les composants identifiés par une marque ! sont critiquens pour la sécurité.
BUZZER KEY (A) SECTION 8 ELECTRICAL PARTS LIST KEY (B) MAIN NOTE: The components identified by mark • Due to standardization, replacements in the • Items marked “*” are not stocked since they ! or dotted line with mark ! are parts list may be different from the parts speci- are seldom required for routine service.
ICF-C470/C470L US Model Canadian Model SERVICE MANUAL E Model Australian Model ICF-C470 1999. 06 AEP Model ICF-C470/C470L UK Model ICF-C470L SUPPLEMENT-1 File this supplement with the service manual. Subject: Addition of East Europe, Russia Model (ICF-C470L) (ENG-99007) • DIFFERENCE PARTS LIST ACCESSORIES &...
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