Sony CDX-T67 Service Manual page 55

SERVICE MANUAL
Ver 1.3 2001.09
SUPPLEMENT-2
File this supplement with the service manual.
Subject: Change of MAIN/JACK boards. (Suffix-13)
In this set, MAIN and JACK boards have been changed in the midway
of production.
Printed wiring boards and schematic diagrams of new type, and changed
parts list are described in this supplement-2.
Refer to original service manual for other information.
• NEW/FORMER TYPE DISCRIMINATION
– MAIN BOARD (Component Side) –
Former Type : 1-680-827-12
New Type
CDX-T67
Canadian Model
AEP Model
(ECN-CSB03047)
– JACK BOARD (Conductor Side) –
Former Type : 1-680-828-12
New Type
: 1-680-827-13
• DIAGRAMS
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
US Model
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• : internal component.
f
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
UK Model
Caution:
E Model
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.
: 1-680-828-13
CDX-T67
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 / W or less unless otherwise
4
specified.
• : internal component.
f
• C : panel designation.
Note:
Note:
The components identi- Les composants identifiés par
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part pièce por tant le numéro
number specified. spécifié.
• A : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from CD changer controller.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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.
J
: CD PLAY