XR-1100
1
1
XR-1100
XR-1100
SUPPLEMENT-1
File this supplement with the service manual.
Subject: Change of MAIN board (Suffix-12) (E model only)
US Model
Canadian Model
UK Model
E Model
Ver 1.2 2004.09
In this set, MAIN board has been changed in the midway of production.
Printed wiring board, schematic diagrams and electrical parts list of new
type are described in this supplement-1.
Refer to original service manual for other information.
1.
NEW/FORMER DISCRIMINATION
9-870-060-82
Former: PTP007323
New
: KPTP007325
– MAIN BOARD (Conductor Side) –
SERVICE MANUAL
•
Note for Printed Wiring Board and Schematic Diagrams
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' pattern are not indicated.)
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
) : AM
〈〈
〉〉
: TAPE PLAYBACK
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
E
: TAPE PLAYBACK
2.
DIAGRAMS
(ENG-04006)
