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ORDER NO. MD0703032CE IC Recorder RR-QR230E Colour (K)..Black Type Specification Power requirement : DC 3.0 V (2 AAA size/LR03 Dimensions (W x H x D) : batteries) Max dimensions : 39.3 mm x 105.5 mm x 17.2 mm Power output : 300 mW (max.)
RR-QR230E 3 Handling the Lead-free Solder 6 Voltage Measurement & Waveform Chart 3.1. Service caution based on legal restrictions 6.1. Voltage Measurement 4 Operating Procedures 6.2. Waveform Chart 4.1. Components of IC Recorder 7 Wiring Connection Diagram 4.2. Test Mode...
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RR-QR230E 1 Safety Precautions 1.1. GENERAL GUIDELINES 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
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RR-QR230E 2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor “chip”...
RR-QR230E 3 Handling the Lead-free Solder 3.1. Service caution based on legal restrictions 3.1.1. General description about Lead Free Solder (PbF) The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation.
RR-QR230E 4.2. Test Mode 4.2.1. Operation Check Mode This unit is equipped with the functions to check it to record or playback usually, the display of LCD and USB connection. Caution! When the checking operation is performed, all recorded data will be cleared.
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RR-QR230E Fig.3 · RECORDING INDICATOR: Flashing 6. Rotate the jog to the left [JOG -]. 7. Check the display of LCD is displayed as shown below. Fig.4 · RECORDING INDICATOR: Flashing 8. Press the [REC/PAUSE] button. 9. Check the display of LCD is displayed as shown below.
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RR-QR230E Fig.7 · Checking for model No 14. Press [ERASE] button. Fig.8 · Checking for software version 15. Press the [FF] switch. 16. Check the display of LCD is displayed as shown below. Fig.9 17. Press the [VOL +] switch.
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RR-QR230E Fig.11 22. Insert the external microphone. 23. It changes into the external-microphone. It confirmed that the file no. advances. 24. Record a sound source signal (L: 400Hz, R: 1kHz/1mV) from external microphone. Fig.12 25. Press the [REW] switch. 26. Check the display of LCD is displayed as shown below.
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RR-QR230E Fig.15 32. The output is checked with an oscilloscope etc. (L: 400Hz, R: 1kHz) Fig.16 33. Insert the earphones. 34. Check the sound is output from the earphones. (Volume is set as 13.) 35. Check the display of LCD is displayed as shown below.
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RR-QR230E Fig.19 3. Operation Check Mode is canceled when the battery cover is opened.
RR-QR230E 5 Assembling and Disassembling 5.1. Notes “ATTENTION SERVICER” Some chassis components may be have sharp edges. Be careful when disassembling and servicing. 1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components.
RR-QR230E 5.4. Disassembly of Rear Cabinet Assembly Step 5 : Remove the Rear Cabinet Assembly as arrow shown. Step 1 : Remove 3 screws. Note : Exercise with care in releasing the catches. Step 2 : Release the catch to remove the MIC Ornament as arrow shown.
RR-QR230E 5.5. Disassembly of the Main P.C.B 5.6. Disassembly of the LCD Spacer · Follow the (Step 1) - (Step 5) of item 5.4. · Follow the (Step 1) - (Step 5) of item 5.4. · Follow the (Step 1) - (Step 3) of item 5.5.
RR-QR230E 5.7. Disassembly of the Speaker · Follow the (Step 1) - (Step 5) of item 5.4. · Follow the (Step 1) - (Step 3) of item 5.5. Step 4 : Lift up the LCD Panel as arrow (1) shown and tilt the LCD Panel as arrow (2) shown from the LCD Holder.
RR-QR230E 6 Voltage Measurement & Waveform Chart Note: · Indicated voltage values are the standard values for the unit measured by the DC electronic circuit tester (high-impedance) with the chassis taken as standard. Therefore, there may exist some errors in the voltage values, depending on the internal impedance of the DC circuit tester.
RR-QR230E 9 Notes Of Schematic Diagram (All schematic diagrams may be modified at any time with the development of new technology) Notes: S201: Quick Search Dial (Rotary knob) S203: Hold switch. ( S204: Quick Search Dial (Joystick) S205: REC/PAUSE switch...
RR-QR230E 14 Replacement Parts List Notes: · Important safety notice: Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardent (resistors), high-quality sound (capacitors), low noise (resistors), etc are used. When replacing any of these components, be sure to use only manufacturer’s specified parts shown in the parts list.
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RR-QR230E Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks J0JAC0000055 FILTER R104 ERJ2GEJ103X 10K 1/32W G1C470M00036 INDUCTOR R105 ERJ2GEJ105X 1M 1/32W L101 J0JAC0000055 FILTER R106 ERJ2GEJ103X 10K 1/32W L102 J0JAC0000055 FILTER R107...