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TC-WE471 SERVICE MANUAL US Model • TC-WE471 is similar to the earlier TC-WE305 (US) model. • Refer to TC-WE305 service manual (9-960-691-XX) for information not contained in this service manual. • DIFFERENCE TABLE NOTE: • Items marked “*” are not stocked since they are seldom required for routine service.
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TC-WE305 US Model Canadian Model SERVICE MANUAL AEP Model E Model Australian Model Ver 1.2 2003.12 PX Model SUPPLEMENT - 1 File this Supplement with the Service Manual. Subject : SUFFIX CHANGE OF THE MAIN, SW AND METER BOARD (ECN-TCA00478) 9-960-691-81...
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TC-WE305 CHANGE OF MAIN BOARD The main, SW and meter boards of US, AEP, Australian and E model were changed (CND, SP and PX model are not changed). Printed wiring board and schematic diagram of new type, and changed parts list are described in this Supplement-1. Refer to original service manual (9-960-691-13) previously issued for the other information.
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TC-WE305 SCHEMATIC DIAGRAM – MAIN SECTION (1/2) –...
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TC-WE305 SCHEMATIC DIAGRAM – MAIN SECTION (2/2) –...
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TC-WE305 PRINTED WIRING BOARDS –SW, METER Section– BOARD MAIN MAIN MAIN BOARD (Page 3 ) BOARD BOARD (Page 3 ) (Page 3 ) METER BOARD S702 T701 POWER TRANSFORMER POWER CNP1 AC IN C903 PEAK LEVEL METER * NOT REPLACEABLE: BUILT IN TRANSFORMER 1-661-076- (21)
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TC-WE305 SCHEMATIC DIAGRAM –SW, METER Section–...
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TC-WE305 For schematic diagrams. Note on Printed Wiring Boards: Waveforms Note: Note: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or • : internal component. less are not indicated except for electrolytics and tantalums. : Pattern from the side which enables seeing.
TC-WE305 ELECTRICAL PARTS LIST MAIN METER NOTE : The components identified by mark 0 • Due to standardization, replacements in the • SEMICONDUCTORS or dotted line with mark 0 are critical In each case, u : µ , for example : parts list may be different from the parts for safety.
TC-WE305 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 1996.05 2002.10 Correction of exploded views parts list (Ref.No.76) .