Sony WM-EX621 Service Manual

Service Manual for Sony WM-EX621 Cassette Player (26 pages)

Specifications:

369/369853-wmex621.pdf file (01 Feb 2024)
  • Manufacturer: Sony
  • Category of Device: Cassette Player
  • Document: WM-EX621, File Type: PDF Service Manual
  • Updated: 01-02-2024
  • Count of Pages: 26
Download WM-EX621 Manual (26 pages)

Read PDF Document Online:

Data: UPD 1st February 2024

Sony WM-EX621 Cassette Player PDF Service Manual (Updated: Thursday 1st of February 2024 12:10:36 PM)

Rating: 4.8 (rated by 5 users)

Compatible devices: CFS-W485L, CFD-S250, TC-KA3ES - Cassette Deck, SLV-E850B, VO-9800, TC-PB10, MW-FX277, HVR-M25E.

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Text Version of Sony WM-EX621 Cassette Player Manual (Summary of Contents)

(Ocr-Read of Sony WM-EX621 Document (Main Content), UPD: 01 February 2024)

  • 14, 1414 WM-EX621 Note on Printed Wiring Board: • X : parts extracted from the component side. • Y : parts extracted from the conductor side. • r : Through hole. • : Pattern of the rear side. Caution: Pattern face side: Parts on the pattern face side seen from (SIDE B) the pat…

  • 3, WM-EX621 3 SECTION 1 SERVICE NOTE [Service Mode] The service mode enables to operate the mechanism of WM-EX621 while the MAIN board is opened. Rotation of the idler gear (A) (S side) is detected using the photo- reflector (PH701) in the WM-EX621. PH701 is located on the MAIN board, t…

  • 17, 17 WM-EX621 6-6. IC PIN FUNCTION Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 I/O – I I I I I/O O O O O O O I I I I O O O O – – – – – – – – – I I – I O I O I O Pin Name N.C. FWD SW CENTER SW REV …

  • 16, 1616 WM-EX621 6-5. PRINTED WIRING BOARD – MAIN BOARD – IC703 IC701 IC301 IC702 IC601 IC704 (P.IN) (GND) EXCEPT FR FR R150 R250 EXCEPT FR • Semiconductor Location Ref. No. LocationRef. No. Location Ref. No. Location Ref. No. Location D701 B-9 D702 E-2 D709 B-8 D710 B-6 D711 C-9 IC301 D-6 IC601 …

  • 19, Sony WM-EX621 19 WM-EX621 NOTE: • -XX, -X mean standardized parts, so they may have some differences from the original one. • Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. SECTION 7 EXPLOD…

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