User manual SONY MDS-JB730

[. . . ] MDS-JB730 SERVICE MANUAL AEP Model UK Model U. S. and foreign patents licensed form Dolby Laboratories Licensing Corporation. Model Name Using Similar Mechanism MD Mechanism Type Base Unit Type Optical Pick-up Type MDS-JE520 MDM-5D MBU-5D KMS-260B/J1N SPECIFICATIONS MINIDISC DECK MICROFILM SELF-DIAGNOSIS FUNCTION The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes which show the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to the following box in the instruction manual. For details on how to check error codes during servicing, refer to the following "Procedure for using the Self-Diagnosis Function (Error History Display Mode)". PROCEDURE FOR USING THE SELF-DIAGNOSIS FUNCTION (ERROR HISTORY DISPLAY MODE) Note: Perform the self-diagnosis function in the "error history display mode" in the test mode. [. . . ] Press the [YES] button to display "EF MO CHECK" The disc stops rotating automatically. Press the [EJECT ] button and take out the disc. Turn the [ AMS ] knob and display "EF CD CHECK" (C04). Press the [YES] button to display "EFB = CD". Observe the waveform of the oscilloscope, and check that the ± specified value is satisfied. Do not turn the [ AMS ] knob. Traverse Waveform A VC B Specified value : Below 10% offset value Offset value (%) = IA ­ BI X 100 2 (A + B) 6-4. Focus Bias Check Change the focus bias and check the focus tolerance amount. Turn the [ AMS ] knob to display "CPLAY MODE" (C30). Press the [YES] button twice to display "CPLAY MID". Press the [MENU/NO] button when "C = AD = " is displayed. Turn the [ AMS ] knob to display "FBIAS CHECK" (C05). Press the [YES] button to display " / c = ". The first four digits indicate the C1 error rate, the two digits after [/] indicate ADER, and the 2 digits after [c =] indicate the focus bias value. Check that the C1 error is below 50 and ADER is below 2. Press the [YES] button to display " / b = ". Check that the C1 error is about 200 and ADER is below 2. Press the [YES] button to display " / a = ". Check that the C1 error is about 200 and ADER is below 2. Press the [MENU/NO] button, then press the [EJECT ] but§ ton and take out the test disc. C PLAY Checking MO Error Rate Check Checking Procedure : 1. Turn the [ AMS ] knob to display "CPLAY MODE" (C30). Press the [YES] button to display "CPLAY MID". [. . . ] R145 R146 R147 R148 R149 R150 R151 R152 R158 R159 R160 R161 R162 R163 R164 R165 R166 R167 R169 R170 R171 R173 R175 R177 R179 R180 R182 R183 R184 R185 R186 R188 R189 R190 R195 R196 R197 Part No. 1-216-073-00 1-216-037-00 1-216-025-00 1-216-045-00 1-216-073-00 1-216-295-00 1-216-073-00 1-216-073-00 1-216-097-00 1-216-097-00 1-216-295-00 1-216-057-00 1-216-057-00 1-216-057-00 1-216-045-00 1-216-097-00 1-220-149-11 1-216-065-00 1-219-724-11 1-216-073-00 1-216-073-00 1-216-121-00 1-216-065-00 1-216-061-00 1-216-085-00 1-216-073-00 1-216-089-00 1-216-089-00 1-216-073-00 1-216-081-00 1-216-089-00 1-216-073-00 1-216-073-00 1-216-073-00 1-216-073-00 Description METAL CHIP METAL CHIP RES, CHIP METAL CHIP METAL CHIP SHORT METAL CHIP METAL CHIP RES, CHIP RES, CHIP SHORT METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES, CHIP RES, CHIP RES, CHIP METAL CHIP METAL CHIP METAL CHIP RES, CHIP RES, CHIP METAL CHIP METAL CHIP METAL CHIP RES, CHIP RES, CHIP METAL CHIP METAL CHIP RES, CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 10K 330 100 680 10K 0 10K 10K 100K 100K 0 2. 2K 2. 2K 2. 2K 680 100K 2. 2 4. 7K 1 10K 10K 1M 4. 7K 3. 3K 33K 10K 47K 47K 10K 22K 47K 10K 10K 10K 10K 0 0 5% 5% 5% 5% 5% Remark 1/10W 1/10W 1/10W 1/10W 1/10W L101 L102 L103 L105 L106 L121 L122 L151 L152 L153 L154 L161 L162 L181 1-414-813-11 1-414-813-11 1-414-813-11 1-414-813-11 1-414-813-11 1-414-813-11 1-414-813-11 1-412-029-11 1-412-029-11 1-412-032-11 1-412-032-11 1-414-813-11 1-414-813-11 1-216-295-91 FERRITE FERRITE FERRITE FERRITE FERRITE FERRITE FERRITE INDUCTOR CHIP INDUCTOR CHIP INDUCTOR CHIP INDUCTOR CHIP FERRITE FERRITE SHORT < TRANSISTOR > 0uH 0uH 0uH 0uH 0uH 0uH 0uH 10uH 10uH 100uH 100uH 0uH 0uH 0 5% 5% 5% 5% 1/10W 1/10W 1/10W 1/10W 5% 5% 5% 5% 5% 10% 5% 1% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 1/10W 1/10W 1/10W 1/10W 1/10W 1/2W 1/10W 1/4W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W Q101 Q102 Q103 Q103 Q104 Q162 Q163 Q181 Q182 8-729-028-91 8-729-026-53 8-729-028-99 8-729-028-99 8-729-028-99 8-729-101-07 8-729-028-91 8-729-018-75 8-729-017-65 TRANSISTOR RT1P441M-TP-1 TRANSISTOR 2SA1576A-T106-QR TRANSISTOR RN1307-TE85L TRANSISTOR DTC114YUT106 TRANSISTOR RN1307-TE85L TRANSISTOR 2SB798-T1DK TRANSISTOR DTA144EUA-T106 FET 2SJ278MYTR FET 2SK1764KYTR < RESISTOR > R103 R104 R105 R106 R107 R109 R110 R111 R112 R113 R115 R117 R120 R121 R123 R124 R125 R127 R129 R131 R132 R133 R134 R135 R136 R137 R140 R142 R143 R144 1-216-049-11 1-216-073-00 1-216-065-00 1-216-133-00 1-216-113-00 1-216-295-00 1-216-073-00 1-216-295-00 1-216-089-00 1-216-049-11 1-216-049-11 1-216-113-00 1-216-025-00 1-216-097-00 1-216-295-00 1-216-025-00 1-216-025-00 1-216-025-00 1-216-295-00 1-216-073-00 1-216-097-00 1-216-117-00 1-216-049-11 1-216-061-00 1-216-049-11 1-216-295-00 1-216-029-00 1-216-073-00 1-216-073-00 1-216-025-00 RES, CHIP METAL CHIP RES, CHIP METAL CHIP METAL CHIP SHORT METAL CHIP SHORT RES, CHIP RES, CHIP RES, CHIP METAL CHIP RES, CHIP RES, CHIP SHORT RES, CHIP RES, CHIP RES, CHIP SHORT METAL CHIP RES, CHIP METAL CHIP RES, CHIP METAL CHIP RES, CHIP SHORT METAL CHIP METAL CHIP METAL CHIP RES, CHIP 1K 10K 4. 7K 3. 3M 470K 0 10K 0 47K 1K 1K 470K 100 100K 0 100 100 100 0 10K 100K 680K 1K 3. 3K 1K 0 150 10K 10K 100 5% 5% 5% 5% 5% 1/10W 1/10W 1/10W 1/10W 1/10W 5% 5% 5% 5% 5% 5% 5% 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1-216-295-00 SHORT 1-216-295-00 SHORT < SWITCH > 1-762-596-21 SWITCH, PUSH (1 KEY) (LIMIT IN) 1-762-148-21 SWITCH, PUSH (2 KEY) (REFLECT DET, PROTECT DET) ************************************************************ A-4724-656-A DISP BOARD, COMPLETE ******************** 2-389-320-01 CUSHION 4-996-686-11 HOLDER (FL) < CAPACITOR > C700 C701 C708 C709 C710 C741 C746 1-126-154-11 1-126-154-11 1-162-294-31 1-162-294-31 1-164-159-11 ELECT ELECT CERAMIC CERAMIC CERAMIC 47uF 47uF 0. 001uF 0. 001uF 0. 1uF 0. 1uF 0. 1uF 20% 20% 10% 10% 6. 3V 6. 3V 50V 50V 50V 50V 50V S101 S102 5% 5% 5% 5% 5% 5% 5% 5% 5% 1/10W 1/10W 1/10W 1/10W * 1/10W 1/10W 1/10W 1/10W 1/10W 5% 5% 5% 5% 1/10W 1/10W 1/10W 1/10W 1-164-159-11 CERAMIC 1-164-159-11 CERAMIC ­ 70 ­ DISP Ref. C761 C762 C770 C771 C772 C773 C774 C775 C776 C777 C778 C798 C799 Part No. Description 47uF 0. 1uF 0. 1uF 0. 1uF 39PF 0. 001uF 100PF 100PF 100PF 0. 1uF 0. 1uF 10uF 10uF 20% Remark 6. 3V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V S701 S702 S703 S704 S705 S706 S711 S712 S713 S714 1-762-875-21 1-762-875-21 1-762-875-21 1-762-875-21 1-762-875-21 1-762-875-21 1-762-875-21 1-762-875-21 1-475-543-11 Ref. [. . . ]