Philips CD950 - Page 20

21
SERVO
CIRCUIT
DIAGRAM
CD951
1
: CHECK OF PHOTO DIODES WITH
ly001-
7
IA
LED
OF
REMOTE
CONTROL
i
LOW
PULSES
DURING
SEARCH
oO
to t1001. 9
| conn 1001 To com
|
> Redig
TO PIN 7-8-9-10 OF IC 7701
PCS 60 654
TO DECODER
CIRCUIT
5ms/D
Ole
i
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.
.
*
.
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‘
.
’
.
os
0,5us/DIV
[A] REI
nea WNW YAM
i
number depends
on search Speed
IV
of |
1ms/DIV
<<
HIGH
HIGH
HIGH
LOW
°
ims/DIV
— STARTING UP
SEARCH
>>
HIGH
LOW
HIGH
LOW
play mode
.8ms
© 2.5V I|l- IDAC
2ms/DIV bump against player
in play mode
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eyepattern
SOIT
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KKK
DALLA a
IPA
SERVICE
POSITIE
2
LA
Pd
+ 1Ims 10ns
start
: |
O.5ms/DIV 1'8ms
SERVICE POSITION 0 PLAY MODE
SEARCH
ACTIVITY
ACTIVITY
ACTIVITY
ACTIVITY
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ea
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rseunEnEEnEN
g
sc
—
3082 G3
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on onn=i
SERRRREESSREEE ERS
B=QQ00CS B-scce