Sony cdx c 9500 service manual 1

Page 1

CDX-C8850/09500

SONY; us Model

COX-08850

SERVICEMANUAL 50mg?!

SUPPLEM ENT- |

File this supplement with the service manual.

Subiect : Change of Main, Relay and Display Boards
(Ecncsaooxes, $300397)

Primed wiring boards and schematic diagram of new type, and changed pans
lisl are described in [his supplememr L

Refer 10 original senice manual (9792659771 I) previously issued for the Olher
Information.

When performing semce and Inspeclicn, check the suffix of lhe pan number of
the main. relay and display boards.

. DISCRIMINATION

- MAIN BOARD (SIDE B) -

a u L

O O

l]

o \ Cr
I L1_r_
MAIN Board Part No.
Former type :1-674-589- 11
New type {1674-589» 12

Page 2

- RELAY BOARD (SIDE B)-

° ° m
r

RELAV Board Part No,
Former type .' #674591 - 11
New type :1-674-591-12

-DISPLAY BOARD (SIDE B) -

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS.

(in addition to this, the necessary note is

printed in each block.)

For schematic diagrams

. All capacitors are in pF unless otherwise noted. pF: ppF
50 WV or less are not indicated except for electrolytics
and tantalums.

. All resistors are in Q and /4 W or less unless othenrvise

specified.
/a : indicates tolerance.
- A : internal component.

. E : panel designation.

Note: The components identified by mark A or dotted line
with mark A are critical for satety.
Replace only With part number specified.

.. . o
o 0 o
a o
o
\
DISPLAY Board Part No.

Former type :I-674-590» 11
New type :1-674-590- 72

. : B+ Line.

- Power voltage is dc 14.4V and led with regulated dc power
supply from ACC and BATT cords.

- Voltages are taken With a VOM (Input impedance H] MD).
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.
III) :FM
AM

. W : CD
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For printed wiring boards

. o- : parts extracted from the component side.

. -- : parts extracted trom the conductor side.

- : Through hole.

. A ' internal component.

Pattern from the side which enables seeing.
(The other layers 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: Pans on the parts face side seen from the
(Side A) parts face are indicated.

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