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Model Name Using Similar Mechanism Tape Transport Mechanism Type MG-36SZ9-32 SPECIFICATIONS L 13942296513 – Continued on next page – XR-1800: AEP, UK Model/XR-1803 FM/MW/LW CASSETTE CAR STEREO XR-1800: E Model FM/AM CASSETTE CAR STEREO XR-1804 FM/MW/SW CASSETTE CAR STEREO u163 MICROFILM http://www.xiaoyu163.com...
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http://www.xiaoyu163.com SECTION 1 This section is extracted from instruction manual. GENERAL 3 7 63 1515 0 L 13942296513 u163 – 3 – http://www.xiaoyu163.com...
http://www.xiaoyu163.com SECTION 2 DISASSEMBLY 3 7 63 1515 0 Note: Follow the disassembly procedure in the numerical order given. COVER ASS’Y 3 cover ass’y L 13942296513 MECHANISM DECK BLOCK 1 two screws 1 two screws (PTT2.6 × 6) (PTT2.6 × 6) 2 connector 3 mechanism deck block (CN901)
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http://www.xiaoyu163.com 3 7 63 1515 0 MAIN BOARD, HEAT SINK 1 five screws (PTT2.6 × 8) 3 two screws 1 two screws (ground point) (PTT2.6 × 6) 2 heat sink 4 main board L 13942296513 MECHANISM DECK (MG-36SZ9-32) 3 mechanism deck (MG-36SZ9-32) 2 bracket (MD) u163...
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http://www.xiaoyu163.com 3 7 63 1515 0 MOTOR ASS’Y (CAPSTAN/REEL) (M901) 2 belt 2 belt 1 two screws (P2 × 3) 3 motor ass’y (CAPSTAN/REEL) (M901) L 13942296513 CASSETTE HANGER (X) 1 Remove the claw toward direction. 4 two claws 5 cassette hanger 3 boss 3 boss 2 Remove the return link...
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http://www.xiaoyu163.com 3 7 63 1515 0 CASSETTE HOLDER (X) 2 Removal the cassette holder (x) to direction of the arrow. 1 Push an arrow A part. L 13942296513 u163 – 9 – http://www.xiaoyu163.com...
http://www.xiaoyu163.com SECTION 3 SECTION 4 MECHANICAL ADJUSTMENTS 3 7 63 1515 0 ELECTRICAL ADJUSTMENTS 1. Clean the following parts with a denatured-alcohol-moistened TAPE DECK SECTION 0 dB= 0.775 V swab: playback head pinch roller 1. The adjustments should be performed in the order given in rubber belt capstan this service manual.
4. Repeat the above adjustment for the REV PB mode. TUNER SECTION 5. Check that output level difference between FWD PB mode and REV PB mode is within 4 dB. XR-1800 E model, a tuner section is no adjustment. 0 dB=1 µV Adjustment Location: PB head Cautions during repair When the tuner unit is defective, replace it by a new one be- cause its internal block is difficult to repair.
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http://www.xiaoyu163.com 3 7 63 1515 0 FM Noise Focus Adjustment (XR-1804 only) MW Auto Scan/Stop Level Adjustment Setting: Setting: [TUNER] [TUNER] button: FM1 button: MW FREQUENCY SELECT switch: FM 50 k FREQUENCY SELECT switch: MW 9 k (XR-1804 only) FM RF signal level meter antenna jack (CN900) generator...
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http://www.xiaoyu163.com 3 7 63 1515 0 Adjustment Location: – SET UPPER VIEW – Tape Speed Adjustment TU100 RV1 MW Auto Scan/Stop Level Adjustment RV2 FM Auto Scan/Stop Level Adjustment RV3 FM Noise Focus Adjustment RV4 FM Stereo Separation Adjustment CN901 L 13942296513 –...
— Not used (open) Key matrix scan signal output terminal Used for the XR-1800: E model and XR-1804 Key matrix scan signal output terminal Not used (open) Key matrix scan signal output terminal Used for the XR-1800: AEP, UK models VOL-CE Chip enable signal output to the electrical volume (IC450) “H”...
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function Key matrix scan signal output terminal — Not used (open) LCD-CLK Serial data transfer clock signal output to the liquid crystal display driver (IC900) LCD-CE Chip enable signal output to the liquid crystal display driver (IC900) “H” active LCD-DATA Serial data output to the liquid crystal display driver (IC900) “H”...
http://www.xiaoyu163.com 3 7 63 1515 0 5-2. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Waveform Note on Schematic Diagram: 1 IC1 1 (XIN) • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
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http://www.xiaoyu163.com 3 7 63 1515 0 (3) MECHANISM DECK SECTION-1 (MG-36SZ9-32) L 13942296513 not supplied not supplied S901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-938-660-01 LEVER, EJECT 3-392-954-01 SPRING 3-392-950-01 SPRING 3-392-994-01 ROLLER, PROGRAM 3-392-951-01 SPRING * 115 3-392-933-01 LEVER (B), CHANGE...