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MDR-RF830 SERVICE MANUAL UK Model Ver 1.0 1998.07 MDR-RF830 is the component model block one in the MDR-RF830RK. COMPONENT MODEL NAME FOR MDR-RF830RK Wireless Stereo Headphones MDR-RF830 Transmitter TMR-RF830R SPECIFICATIONS DC 3 V: 2 × R6 (size AA) battery Power source or 2 ×...
4. Connect an digital voltmeter (AC range) and oscilloscope to Headphones Transmitter the L-CH speaker outputs (both sides of MDD01). MDR-RF830 TMR-RF830R 5. Receive signals by turning the TUNING VOL (RV302). Procedure: 6. Adjust the VOL (RV301) so that the RX board L-CH speaker outputs (both sides of MDD01) are 155mVrms.
SECTION 3 DIAGRAMS • IC BLOCK DIAGRAMS IC301 CXA1611N-T4 FM•IF TUNING RIPPLE REGULATOR DISCRI METER FILTER DETUNE AM•FE AM•IF DET•AGC FM•FE IC302 LA4533M MUTE POWER 10 MT/SW P/SW SWITCH CIRCIUT AMP1 OUT1 BIAS PRE GND POWER GND AMP2 OUT2 — 6 —...
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MDR-RF830 3.2 SCHEMATIC DIAGRAM • Refer tp page 6 IC Block Diagrams. Note on Schematic Diagram: WAVEFORM • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
SECTION 4 EXPLODED VIEW NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number have some differences from the original one. in the exploded views are not supplied. • Items marked “*” are not stocked since they •...
SECTION 5 ELECTRICAL PARTS LIST NOTE: • Items marked “*” are not stocked since they When indicating parts by reference number, • Due to standardization, replacements in the are seldom required for routine service. please include the board name. parts list may be different from the parts Some delay should be anticipated when specified in the diagrams or the components ordering these items.
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MDR-RF830 SERVICE MANUAL AEP Model UK Model REVISED Ver 1.2 1999. 09 MDR-RF830 is the component model block one in the MDR-RF830RK. COMPONENT MODEL NAME FOR MDR-RF830RK Wireless Stereo Headphones MDR-RF830 Transmitter TMR-RF830R SPECIFICATIONS DC 3 V: 2 × R6 (size AA) battery Power source or 2 ×...
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SECTION 1 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 1-1. RX BOARD, FE BOARD (R-CH) 3 Cover (R), hanger 7 FE board 8 Remove solder 1 Screws (+P2 × 12) 9 Screw (M1.7 × 4) 6 Remove solder 0 Spacer 4 RX board...
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4. Connect an digital voltmeter (AC range) and oscilloscope to Headphones Transmitter the L-CH speaker outputs (both sides of MDD01). MDR-RF830 TMR-RF830R 5. Receive signals by turning the TUNING VOL (RV302). Procedure: 6. Adjust the VOL (RV301) so that the RX board L-CH speaker outputs (both sides of MDD01) are 155mVrms.
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MDR-RF830 3.1 PRINTED WIRING BOARDS • Semiconductor Location Ref. No. Location D301 D302 D303 IC301 IC302 IC303 IC304 Q301 Q302 Q303 Q304 Q305 Q306 Q307 Q308 Q309 Note: • X : parts extracted from the component side. • ® : Through hole.
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MDR-RF830 3.2 SCHEMATIC DIAGRAM • Refer tp page 6 IC Block Diagrams. Note on Schematic Diagram: WAVEFORM • 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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MDR-RF830 SECTION 4 SECTION 5 EXPLODED VIEW ELECTRICAL PARTS LIST NOTE: NOTE: • Items marked “*” are not stocked since they When indicating parts by reference number, • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number •...