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Sony HCD-MD313 Service Manual

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  • Page 2 SECTION 4 TEST MODE 4-1. PRECAUTIONS FOR USE OF TEST MODE 4-5. SELECTING THE TEST MODE 1. As loading related operations will be performed regardless of Thirteen test modes are selected by turn VOLUME. the test mode operations being performed, be sure to check that Table 4-2.

  • Page 3: Operating The Continuous Recording Mode

    4-7. OPERATING THE CONTINUOUS RECORDING 4-6. OPERATING THE CONTINUOUS PLAYBACK MODE MODE 4-7-1. Entering the Continuous Recording Mode 4-6-1. Entering the Continuous Playback Mode 1. Set the MO disc in the unit. (Refer to note 3.) 1. Set the disc in the unit. (Whichever recordable discs or discs for 2.

  • Page 4: Error History Mode

    4-9. ERROR HISTORY MODE 4-9-5. Ending the displayed historys 1. Press the § (CD) button, the display will change to memory 4-9-1. Entering the Error History Mode types. 1. Turn the VOLUME knob and display “ERR DP MODE”. Table 4-4. 2.

  • Page 5: Functions Of Other Buttons

    4-10. FUNCTIONS OF OTHER BUTTONS 1. MODE display Displays “TEMP ADJUST”, “CPLAY MODE”, etc.. Table 4-3. 2. Error rate display Button Contents Error rates are displayed as follows. Turns recording on/off when pressed during r REC continuous playback. C1= : Indicates C1 error §...

  • Page 6: Section 5 Electrical Adjustment

    SECTION 5 ELECTRICAL ADJUSTMENT 5-3. PRECAUTIONS FOR ADJUSTMENTS MD SECTION 1) When replacing the following parts, perform the adjustments and checks with ® in the order shown in the following table. 5-1. PRECAUTIONS FOR CHECKING LASER DI- ODE EMISSION Table 5-1. To check the emission of the laser diode during adjustments, never view directly from the top as this may lose your eyesight.

  • Page 7: Temperature Compensation Offset Adjustment

    5-5. TEMPERATURE COMPENSATION OFFSET 5-6. LASER POWER ADJUSTMENT ADJUSTMENT Connection: laser Save the temperature data at that time in the non-volatile memory power meter as 25 °C reference data. Notes: 1. Usually, do not perform this adjustment. Optical pick-up 2. Perform this adjustment in an ambient temperature of 22 °C to objective lens 28 °C.

  • Page 8: Traverse (E-F Balance) Adjustment

    5-7. TRAVERSE (E-F BALANCE) ADJUSTMENT 8. Turn the VOLUME knob so that the waveforms of the oscillo- scope becomes the specified value. (When the VOLUME knob Note 1: Data will be erased during MO reading if a recorded disc is used is turned, the “...

  • Page 9: Focus Bias Adjustment

    5-8. FOCUS BIAS ADJUSTMENT 5-9. ERROR RATE CHECK Adjusting Method: 5-9-1. CD Error Rate Check 1. Load a continuously recorded disc (Refer to “5-4. Creating MO Checking Method: Continuously Recorded Disc”.). 1. Load a test disc TDYS-1. 2. Turn the VOLUME knob and display “CPLAY MODE”. 2.

  • Page 10: Adjusting Points And Connecting Points

    5-11. ADJUSTING POINTS AND CONNECTING POINTS [BD (MD) BOARD] (SIDE A) D101 IC192 [BD (MD) BOARD] (SIDE B) TP (IOP) TP (I + 3V) Q163 IC316 IC171 (VC) IC101 (TEO) Q102 IC121 – 23 –...
  • Page 11 5. Confirm that the oscilloscope waveform (S-curve) is symmetri- CD SECTION cal between A and B. And confirm peak to peak level within 2.4 ± 0.7 Vp-p. Notes: 1. CD Block basically constructed to operated without adjustment. S-curve waveform symmetry Therefore, check eaech item in order given.
  • Page 12 Traverse waveform specification: A=B level: 300 ± 100 mVp-p × 100 = less than ± 7% specified value: • 2 (A+B) • A+B = 300 ± 100 mVp-p 7. After check, remove the lead wire connected in step 1. Focus/Tracking Gain Adjustment (RV102, RV103) This gain has a margin, so even if it is slightly off.
  • Page 18 • Waveforms – CD Section – – MD Section – 1 IC101 #¡ (RFO) (PLAY Mode) 6 IC103 @∞ (XPCK) 1 IC101 1, 2 (I, J) (PLAY Mode) 500 mV/DIV, 500 ns/DIV Approx. 1.3 ± 0.3 Vp-p 5.3 Vp-p 500 mVp-p 14 ns 2 IC101 $¢...
  • Page 19 6 IC152 #¡ (CAPA+) (Play Mode) !¡ IC121 @¶ (FS256) 4.6 Vp-p 3.4 Vp-p 11.2896 MHz 1.5 µ sec 7 IC121 (º (FS4) – MAIN Section – 1 IC601 !¡ (XI) 3.4 Vp-p 4.3 Vp-p 5.7 µ sec 5 MHz 8 IC121 !§...

  • Page 20: Section 8 Electrical Parts List

    SECTION 8 AUDIO ELECTRICAL PARTS LIST NOTE: The components identified by mark • Due to standardization, replacements in the • Items marked “*” are not stocked since they ! or dotted line with mark ! are parts list may be different from the parts speci- are seldom required for routine service.
  • Page 21 AUDIO BD (CD) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < COIL > R1509 1-249-429-11 CARBON 1/4W (AEP, UK, G, AED) L1501 1-410-521-11 INDUCTOR 100uH (AEP, UK, G, AED) < VIBRATOR > < TRANSISTOR > X1501 1-579-900-21 VIBRATOR, CRYSTAL (4.332MHz) Q701...
  • Page 22 BD (CD) BD (MD) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C154 1-163-235-11 CERAMIC CHIP 22PF R144 1-216-073-00 METAL CHIP 1/10W R145 1-216-097-00 METAL GLAZE 100K 1/10W < CONNECTOR > R146 1-216-097-00 METAL GLAZE 100K 1/10W R147 1-216-049-11 METAL GLAZE...
  • Page 23 BD (MD) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C132 1-107-823-11 CERAMIC CHIP 0.47uF C363 1-163-251-11 CERAMIC CHIP 100PF C133 1-163-017-00 CERAMIC CHIP 0.0047uF 5% C401 1-163-038-00 CERAMIC CHIP 0.1uF C134 1-163-038-00 CERAMIC CHIP 0.1uF C402 1-164-232-11 CERAMIC CHIP 0.01uF...
  • Page 24 BD (MD) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q104 8-729-028-99 TRANSISTOR RT1N144M-TP-1 R189 1-216-073-00 METAL CHIP 1/10W Q162 8-729-101-07 TRANSISTOR 2SB798-DL R190 1-216-073-00 METAL CHIP 1/10W R195 1-216-295-11 CONDUCTOR, CHIP (2012) Q163 8-729-028-91 TRANSISTOR DTA144EUA-T106 R196 1-216-295-11 CONDUCTOR, CHIP (2012) Q181...
  • Page 25 BD (MD) JACK Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R444 1-216-097-00 METAL GLAZE 100K 1/10W < CONNECTOR > R445 1-216-097-00 METAL GLAZE 100K 1/10W * CN401 1-568-858-11 SOCKET, CONNECTOR 15P R448 1-216-097-00 METAL GLAZE 100K 1/10W CN402...
  • Page 26 JACK LOADING MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ! R444 1-215-914-11 METAL OXIDE C522 1-126-934-11 ELECT 220uF (CND, MY, SP, HK) C523 1-126-934-11 ELECT 220uF R445 1-260-089-11 CARBON 1/2W C525 1-126-933-11 ELECT 100uF R446 1-260-089-11 CARBON 1/2W...
  • Page 27 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C839 1-162-282-31 CERAMIC 100PF < GROUND TERMINAL > C841 1-164-159-11 CERAMIC 0.1uF EPT501 1-537-770-21 TERMINAL BOARD, GROUND C842 1-164-159-11 CERAMIC 0.1uF C871 1-126-163-11 ELECT 4.7uF < FERRITE BEAD > C872 1-126-163-11 ELECT 4.7uF...
  • Page 28 MAIN MD-LED PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R581 1-249-425-11 CARBON 4.7K 1/4W R654 1-249-417-11 CARBON 1/4W R582 1-249-425-11 CARBON 4.7K 1/4W R655 1-249-417-11 CARBON 1/4W ! R590 1-217-640-11 FUSIBLE 1/4W F R591 1-249-425-11 CARBON 4.7K 1/4W...
  • Page 29 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C957 1-162-286-31 CERAMIC 220PF R913 1-249-421-11 CARBON 2.2K 1/4W C958 1-162-286-31 CERAMIC 220PF R914 1-247-807-31 CARBON 1/4W R915 1-249-409-11 CARBON 1/4W C959 1-162-286-31 CERAMIC 220PF R916 1-247-807-31 CARBON 1/4W C960 1-162-286-31 CERAMIC...

  • Page 30: Power Amp

    PANEL POWER AMP ST TERMINAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S916 1-554-303-21 SWITCH, TACTILE < RESISTOR > (PLAY MODE, TUNING MODE) R1201 1-249-417-11 CARBON 1/4W ************************************************************ R1202 1-249-437-11 CARBON 1/4W A-4403-410-A POWER AMP BOARD, COMPLETE R1203 1-249-417-11 CARBON 1/4W...
  • Page 31 TRANSFORMER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-667-719-11 SW BOARD ! 68 1-569-008-11 ADAPTOR, CONVERSION 2P (MY, SP) ! 69 1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (HK) ********* 1-782-683-11 WIRE (FLAT TYPE) (14 CORE) < CONNECTOR > 1-782-792-11 WIRE (FLAT TYPE) (25 CORE) CN601 1-770-697-11 CONNECTOR, FFC/FPC 14P...

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