SONY CDX1150 Repair Manual

CDX-1150
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
US Model
For schematic diagrams
Y All capacitors are in ?F unless otherwise noted. pF: ??F
50 WV or less are not indicated except for electrolytics
and tantalums.
SERVICE MANUALY All resistors are in W and 1/4W or less unless otherwise

specified.
Y%: indicates tolerance.
Yc: internal component.
Y C : panel designation.
Note:The components identified b!y or dotted line mark
with mar!k are critical for safety.
Replace only with part number specified.
SUPPLEMENT-1
Y U : B+ Line.
File this supplement with the service manual.Y Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
Subject :Change of Main and K ey BoardsY Voltages are taken with a VOM (Input impedance 10 MW).
Voltage variations may be noted due to normal produc-
(ECN-CSB00629)tion tolerances.
Y Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
When performing service and inspection, check the suffix of the part number oftion tolerances.
the main and key boards.Y Circled numbers refer to waveforms.
Y Signal path.
F: FM
f: AM
J: CD
Y (( )) : Page of supplement-1.
� MAIN BOARD (SIDE B) �
For printed wiring boards
Y Y : parts extracted from the conductor side.
Y¨: Through hole.
Yc: internal component.
Y b : Pattern from the side which enables seeing.
(The other layerOs patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)parts face are indicated.
Y (( )) : Page of supplement-1.
MAIN Board Part No.
Former : 1-672-491-11
New : 1-672-491-12
� KEY BOARD (SIDE B) �
KEY Board Part No.
Former : 1-672-492-11
New : 1-672-492-12
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