Sony XR-C6120 Service Manual
Fm/am cassette car stereo
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Also See for XR-C6120:
- Operating instructions manual (28 pages) ,
- Service manual (36 pages) ,
- Service manual (36 pages)
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Service Manual
SERVICE MANUAL
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol a are trade-
marks of Dolby Laboratories Licensing Corporation.
MICROFILM
XR-C6120
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
SPECIFICATIONS
FM/AM CASSETTE CAR STEREO
US Model
Canadian Model
XR-C5100
MG-25F-136
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Summary of Contents for Sony XR-C6120
- Page 1 XR-C6120 SERVICE MANUAL US Model Canadian Model Dolby noise reduction manufactured under license Model Name Using Similar Mechanism XR-C5100 from Dolby Laboratories Licensing Corporation. Tape Transport Mechanism Type MG-25F-136 “DOLBY” and the double-D symbol a are trade- marks of Dolby Laboratories Licensing Corporation.
- Page 2 XR-C6120 6-3. SCHEMATIC DIAGRAM – MAIN Board (1/2) – • See page 29 for Waveforms. • See page 27 for IC Block Diagrams. – 19 – – 20 –...
- Page 3 XR-C6120 6-4. SCHEMATIC DIAGRAM – MAIN Board (2/2) – • See page 28 for IC Block Diagrams. (Page 25) – 21 – – 22 –...
- Page 4 XR-C6120 6-6. SCHEMATIC DIAGRAM – KEY Board – • See page 29 for Waveform. (Page 22) – 25 – – 26 –...
- Page 5 • IC Block Diagrams IC331 TDA7462D – MAIN Board – IC21 TB2118F-EL-S SE3L SE3R MUTE PAUSE PAUSE DETECT 24 23 22 21 16 15 14 13 FRONT INPUT TREBLE/ OUT FL LOUDNESS VOLUME VOICE BANDPASS FADER GAIN & SOFT BASS CONTROL CONTROL SE1L...
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Page 6: Main Board
• Waveforms – MAIN Board – – KEY Board – 1 IC21 1 (XT OUT) 1 IC901 ^º OSC 2.7 Vp-p 0.2 Vp-p 97.6 ns 27 µ s 2 IC501 !∞ (XT IN) 1.7 Vp-p 30.5 µ s 3 IC501 !£ (OSC IN) 1.3 Vp-p 54.2 ns –... -
Page 7: Ic Pin Function Description
Rotary remote commander shift key input terminal “L”: shift SYSRST Reset signal output to the SONY bus interface (IC581) “L”: reset BUS-ON Bus on/off control signal output to the SONY bus interface (IC581) “L”: bus on UNISO Serial data output to the SONY bus interface (IC581) UNISI... - Page 8 Pin No. Pin Name Function BEEP Beep sound drive signal output terminal AMP-MUT Muting on/off control signal output to the power amplifier (IC751) “L”: muting on Standby on/off control signal output to the power amplifier (IC751) AMP ON “L”: standby mode, “H”: amp on PLL-CKO PLL serial data transfer clock signal output to the FM/AM PLL (IC21) PLL-CE...
- Page 9 Pin No. Pin Name Function POS3 Tape position (EJECT/FF/REW/ POS3: “L”: REV and EJECT mode, “H”: others mode POS2 REV/FWD mode) detect input from POS2: “L”: REW mode, “H”: others mode the tape operation switch on the POS0: “L”: EJECT mode, “H”: others mode POS0 deck mechanism POS1: “L”: FF and FWD mode, “H”: others mode...