Sony CHC-P11 - TCB Section Schematics

) SECTION —
[ BD BOARD ]
18
19°
R136 10k
with mark A\ are critical for safety.
Replace only with part number specified.
* [B +]: B+ Line
°{/_}: adjustment for repair.
* Voltage and waveforms are dc with respect to ground under
no-signal conditions.
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SPINOLE a)
SP- “MOTOR SP+ — z
: + Y Note:
Lo:
*
All
capacitors
are
in
uF
unless
otherwise
noted.
pF:
puF
SOWV
¢
Waveforms
are
taken
with
a
oscilloscope.
or less are not indicated except for electrolytics and tantalums. Voltage variations may be noted due to normal production
* All resistors are in Q and '/4W or less unless otherwise tolerances.
specified. * Circled numbers refer to waveforms.
|
M102
¢
A:
internal
component.
¢
Signal
path.
SLEA
SL- motor, SL+ : 7 7 :
|
+
Note
:
The
componts
identified
by
mark
A\
or
dotted
line
mp:
CD
|
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——————— CU
1€102
FOCUS/TRACKING COIL ORIVE
SPINBLE/SLED
MOTOR ORIVE
no mark : STOP
* Voltages are taken with a VOM ( Input impedance 10MQ).
Voltage variations may be noted due to normal production
tolerances.
Note:
* O— : parts extracted from the component side.
* & : Through hole.
* =. : Pattern on the side which is seen.
6-11. PRINTED WIF
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