11
WM-D6C/TC-D6C
SERVICE MANUAL
WM-D6C/TC-D6C
US Model
WM-D6C/TC-D6C
Canadian Model
AEP Model
UK Model
E Model
WM-D6C
Ver 1.1 2001.06
SUPPLEMENT-4
Subject: Change of servo circuit
(ECN-WMA00831)
• NEW/FORMER TYPE DISCRIMINATION
Former Type : 1-611-494-11, -12,
1-651-545-12
New Type : 1-651-545-14
– MAIN BOARD (Conductor Side) –
1. DIAGRAMS
1-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
z
: Through hole.
• : 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.
• % : indicates tolerance.
• Components for right channel have same values as for
left channel. Reference numbers are coded from 200.
• C : panel designation.
• A : B+ Line.
• H : adjustment for repair.
• AC voltage readings in the bias oscillator with a level
meter.
• Total current is measured with no cassette installed.
• Power voltage is dc 6 V and fed with regulated dc power
supply from external power voltage jack.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : playback
( ) : record
< > : fast forward
[ ] : rewind
〈〈 〉〉 : pause
I : NORM
II : CrO2
I
V
: METAL
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
f : playback
9-951-385-84 Sony Corporation
2001F0500-1 Personal Audio Company
C 2001.6 Shinagawa Tec Service Manual Production Group
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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