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Sony XR-C6210R Service Manual
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Sony XR-C6210R Service Manual

Fm/mw/lw cassette car stereo
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XR-C6210R/C6220R
SERVICE MANUAL
For RM-X4S (Remote Commander),
please refer to RM-X4S Service Manual
(9-925-698-∏) previously issued.
MICROFILM
Photo: XR-C6210R
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
SPECIFICATIONS
FM/MW/LW CASSETTE CAR STEREO
AEP Model
UK Model
XR-C6100R
MG-25Y-136

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Summary of Contents for Sony XR-C6210R

  • Page 1 XR-C6210R/C6220R SERVICE MANUAL AEP Model UK Model For RM-X4S (Remote Commander), please refer to RM-X4S Service Manual (9-925-698-∏) previously issued. Photo: XR-C6210R Model Name Using Similar Mechanism XR-C6100R Tape Transport Mechanism Type MG-25Y-136 SPECIFICATIONS FM/MW/LW CASSETTE CAR STEREO MICROFILM...
  • Page 2 XR-C6210R/C6220R 6-5. SCHEMATIC DIAGRAM – MAIN Section (1/3) – • See page 24 for Waveforms. • See page 39 for IC Block Diagrams. (Page 29) (Page 27) – 25 – – 26 –...
  • Page 3 XR-C6210R/C6220R 6-6. SCHEMATIC DIAGRAM – MAIN Section (2/3) – • See page 24 for Waveforms. • See page 39 for IC Block Diagrams. (Page 26) (Page 29) – 27 – – 28 –...
  • Page 4 XR-C6210R/C6220R 6-7. SCHEMATIC DIAGRAM – MAIN Section (3/3) – (Page 26) (Page 37) (Page 28) – 29 – – 30 –...
  • Page 5 XR-C6210R/C6220R 6-11. SCHEMATIC DIAGRAM – PANEL Section – • See page 24 for Waveform. (Page 30) – 37 – – 38 –...
  • Page 6 • IC Block Diagrams IC301 CXA2509AQ-T4 IC361 LB1638M – MAIN Board – N.C. IC1 TB2118F (EL) OUT1 24dB 120µ/70µ 24 23 22 21 16 15 14 13 + – MSMODE – OUT2 NR BIAS DRSW PBFB2 MODE PBRIN2 TAPE/AUX – TAPESW N.C.
  • Page 7 IC671 BA3918-V3 IC701 BA8270F-E2 BUS ON BUS ON SWITCH REGULATOR RESET SWITCH BUS ON CLK IN BATTERY BATT BU IN SWITCH OVER VOLTAGE PROTECT VREF DATA IN – DATA DATA OUT 2 3 4 – 41 –...

  • Page 8: Ic Pin Function Description

    — Power supply terminal (+5V) Not used (open) BUS-ON Bus on/off control signal output to the SONY bus interface (IC701) “L”: bus on SYSRST Reset signal output to the SONY bus interface (IC701) “L”: reset DOORSW Front panel open/close detection signal input “L” is input when the front panel is closed...
  • Page 9 Pin No. Pin Name Function DVCC — Power supply terminal (+5V) (for D/A converter) DVSS — Ground terminal (for D/A converter) 40, 41 Not used (open) AVCC — Power supply terminal (+5V) (for A/D converter) AVRH Reference voltage (+5V) input terminal (for A/D converter) AVRL Reference voltage (0V) input terminal (for A/D converter) AVSS...
  • Page 10 Input of acknowledge signal for the key entry Acknowledge signal is input to accept function KEYACK and eject keys in the power off status On at input of “H” Battery detect signal input from the SONY bus interface (IC701) and battery detect circuit BU-IN “L” is input at low voltage...
  • Page 11 Pin No. Pin Name Function Dolby control in/out terminal At initial mode: valid/invalid selection input of dolby function (valid at “L” input) DOLON At normal mode: dolby on/off control signal output terminal (dolby on at “H” output) Not used this function (fixed at “H”) Tape muting on/off control signal output to the CXA2509AQ (IC301) “H”: muting on TAPE MUTE Active at ATA, FF/REW mode...

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Xr-c6220r