XR-3100R, XR-C33R (serv.man2) - Sony Car Audio Service Manual (repair manual). Page 3

3

3

• X

: parts extracted from the component side.

• Y

: parts extracted from the conductor side.

• b

: 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

(Conductor Side)

the pattern face are indicated.

Parts face side:

Parts on the parts face side seen from

(Component Side) the parts face are indicated.

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

/

4

 

W or less unless otherwise

specified.

•

f

: internal component.

•

C

: panel designation.

•

U

: B+ Line.

•

H

: adjustment for repair.

• 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
(

) : MW(LW)

〈〈

 

〉〉

: TAPE PLAYBACK

∗

: Impossible to measure

• 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

: MW(LW)

L

: BUS AUDIO IN

E

: TAPE PLAYBACK

• Abbreviation

AMBER : Amber illumination type
GREEN : Green illumination type

For the XR-C33R Spanish Model (green illumination type), the TEL ATT cord has been added in the midway of production.
This Service Manual Supplement-1 lists only the revised printed wiring board and schematic diagram of the XR-C33R.
For other information, refer to the Service Manual issued previously.

IC501

Q571

Q571 Mount

: SPANISH MODEL (GREEN ILLUMINATION TYPE)

Q571 No Mount : EXCEPT SPANISH MODEL (GREEN ILLUMINATION TYPE)