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WM-EX372 SERVICE MANUAL AEP Model E Model Ver 1.2 1999. 03 TC-K6/K7 With SUPPLEMENT 1 (9-923-319-81) With SUPPLEMENT 2 (9-923-319-82) Dolby noise reduction manufactured under license Model Name Using Similar Mechanism from Dolby Laboratories Licensing Corporation. Tape Transport Mechanism Type MT-WMEX372-114 “DOLBY”...
TABLE OF CONTENTS Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270 ˚C dur- ing repairing. GENERAL ..............3 • Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). DISASSEMBLY ............
SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. CABINET (REAR) ASS’Y MAIN BOARD MECHANISM DECK BELT MOTOR (MT-WMEX372-114) (M901) MAGNETIC HEAD (HP901) MEGA BASS UNIT (DOLBY) CASSETTE HOLDER ASS’Y Note: Follow the disassembly procedure in the numerical order given. CABINET (REAR) ASS’Y 2 Insert the precision screw driver (1.4 mm flat-blade) in to the slit at claw A and release the claw.
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MAIN BOARD, MECHANISM DECK (MT-WMEX372-114) 2 flexible board (CN302) 6 main board 4 toothed lock (WH) screw (M1.4) 3 head flexible board (CN301) 1 Remove four solders of 8 Remove the mechanism motor lead (M901). deck (MT-WMEX372-114) to direction of the arrow. 5 two claws 7 claw 7 claw...
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CASSETTE HOLDER ASS’Y 2 Insert a precision screwdriver (1.4 mm flat-blade) vertically in to portion A to release the hinge plate. 1 flexible board (CN302) 3 portion B to release the hinge plate. 5 spring (torsion) 4 cassette holder ass’y NOTE FOR INSTALLATION Note: Follow the assembly procedure in the numerical order given.
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MEGA BASS UNIT (DOLBY) 1 two knobs (rotary) 5 flexible board three claws claw claw 3 Remove five claws as 2 claw move the mega bass unit (dolby) to direction of the arrow A . 4 mega bass unit (dolby) –...
SECTION 4 SECTION 3 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS 3-1. MECHANICAL ADJUSTMENTS Precaution • Supplied voltage: 2.5 V Precaution • Switch and control position 1. Clean the following parts with a denatured-alcohol-moistened swab: NORM CrO /METAL switch: NORM playback head pinch roller VOLUME CONTROL: maximum capstan rubber belt...
WM-EX372 Ver 1.2 1999. 03 5-3. SCHEMATIC DIAGRAM • See page 15 for IC Block Diagrams. • Waveforms Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics 2 IC601 !¡...
WM-EX372 SECTION 6 EXPLODED VIEWS • IC Block Diagrams NOTE: IC331 NJM2185AV-TE2 • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they are seldom required for routine service. Some may have some difference from the original one.
SECTION 7 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they When indicating parts by reference number, please include the board. parts list may be different from the parts speci- are seldom required for routine service.
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WM-EX372 Ver 1.2 1999. 03 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JR302 1-216-296-00 SHORT (CHIP) 0 R324 1-216-298-00 METAL CHIP 1/10W R331 1-216-001-00 METAL CHIP 1/10W JR303 1-216-296-00 SHORT (CHIP) 0 R332 1-216-081-00 METAL CHIP...
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Addition of Chinese Model Chinese Model have been added. This is the same as E model which is not described in this supplement-1 Refer to WM-EX372 original service manual (9-923-319-11) for other information. ACCESSORIES & PACKING MATERIAL Page E model Chinese model Ref.
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Addition of Tourist Model Tourist Model have been added. This is the same as E model which is not described in this supplement-2 Refer to WM-EX372 original service manual (9-923-319-∏) for other information. ACCESSORIES & PACKING MATERIAL Page E model Tourist model Ref.