XR-5880R/5890R
SERVICE MANUAL
Photo: XR-5890R
AEP Model
UK Model
Model Name Using Similar Mechanism XR-C6100R
Tape T r ansport Mechanism Type
MG-25G-136
SPECIFICATIONS
MICROFILM
FM/MW/LW CASSETTE CAR STEREO
XR-5880R/5890R
• Wavef orms
1
6-2. SCHEMATIC DIAGRAM — MAIN (1/2) SECTION — • Refer to page 29 for IC Block Diagrams.
5.4Vp-p
32.8KHz
IC501
&£
2
5.6Vp-p
3.68MHz
IC501
(£
3
5.4Vp-p
4.332MHz
IC51
4
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/
specified.
¢
•
• C : panel designation.
• U : B+ Line.
• Power v oltage is dc 14.4V and fed with regulated dc power
• Voltage and waveforms are dc with respect to ground
• Voltages are tak en with a V OM (Input impedance 10 MΩ).
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
• Abbreviation
: internal component.
supply from ACC and BATT cords.
under no-signal conditions.
no mark : FM
< > : TAPE PLAYBACK
Voltage variations may be noted due to normal production
tolerances.
Voltage variations may be noted due to normal production
tolerances.
F : FM
f : AM (MW)
E : T APE PLA YBA CK
G : German model.
: Impossible to measure
∗
4
W or less unless otherwise
(Page 23, 24)
– 21 – – 22 –
6-3. SCHEMATIC DIAGRAM — MAIN (2/2) SECTION — • Refer to page 29 for IC Block Diagrams.
(Page 21, 22)
XR-5880R/5890R
(REMOTE IN)
(Page 27)
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/
specified.
¢
•
• C : panel designation.
• U : B+ Line.
• Power v oltage is dc 14.4V and fed with regulated dc power
• Voltage and waveforms are dc with respect to ground
• Voltages are tak en with a V OM (Input impedance 10 MΩ).
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
• Abbreviation
: internal component.
supply from ACC and BATT cords.
under no-signal conditions.
no mark : FM
< > : TAPE PLAYBACK
Voltage variations may be noted due to normal production
tolerances.
Voltage variations may be noted due to normal production
tolerances.
F : FM
f : AM (MW)
E : TAPE PLA YBA CK
G : German model.
: Impossible to measure
∗
4
W or less unless otherwise
– 23 – – 24 –