Philips CD911 - Page 27

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DECODER
CIRCUIT
DIAGRAM
1
2
3
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ct ESIOUT
0,5us/DIV
2100
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SERVO CIRCUIT
H +5
A E 3115
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M OV PLAY MODE
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FROM R3015 ON
SERVO CIRCUIT
3073_BASIC1_R
3100
(2k2_}
3101
2103
I 100nF
>
J 2101
ATE
2102
i 22n
7 9
PLL FRONT-END
ERROR
CORRECTOR
bad SAA7345
E
MICROPROCESSOR
INTERFACE
SERIAL (2208)
DATA
TT a INTERFACE [2208]
CRC CHECK 3111
SCLK gf 21 ae
Q-CHANNEL
REGISTER &
13 16] 13
ate E 3117
cm
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5100 |,..107 Joes A
3100, |s3.ecaemtz
= 2112 2111 L, 2110
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2114] 2113.
esp
kee
RESONATOR 1101: 16.93MHz FOR CD 710/720
TO
DAC
CIRCUIT
cL
DA
0.5uS/DIV
(2uS/DIV for CD750)
se /8
ESIIN
>
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5V CLOSING
OV OPENING
2.5V REST
12 MHz
EEPROM
i) '
LEFT CHANNEL
RIGHT CHANNEL .y
| stop | [I | | |
000
°°
>
START 5V
1uS/DIV
pave be bo Pele.
PULSE DENSITY CONTROL
+5
E 3141
3142
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13 14 15 16
7600 A GND
2__TCA0372 [=
TRAY MOTOR
Aly )
2601 2600
100n
ee
+5V OPENING
:5V CLOSING
OV REST
LOW WHEN READING TOC
+5V IN REST
OV WHEN OPENING OR CLOSING
TURNTALE
MOTO}
7 18 19 20
3073_BASIC1_B
9011 B10
PCS 60 690