Blockdiagram - Philips FW-C577/21 Service Manual

BLOCK DIAGRAM 5DTC
CD MECHANISM
DISC
TURNTABLE
FOCUS
MOTOR
MOTOR
RADIAL
MOTOR
SLEDGE
MOTOR
TURNTABLE
MOTOR
LASER &
MONITOR
DIODE
PHOTO
DIODES
A-C
D C
E F
A B
not on all versions
INNER SWITCH
MOTOR BOARD
+5V
+5V
SWITCH
A
HOLDER HEIGHT COLLECTOR
GND
HOME SW
HOME SW
B
OPEN SW
GND
OPEN SW
C
GND UNLOAD SW
UNLOAD SW
LOAD SW
D
LOAD SW
GND
CLOSE SW
CLOSE SW
ADDRESS1 SW
ADDRESS1 SW
E
ADDRESS2 SW
GND
ADDRESS2 SW
ADDRESS3 SW
ADDRESS3 SW
TRAY
MOTOR
LIFT
MOTOR
1801
10-9
CD Version
CD MAINBOARD
+5V Vref
22 23 7802
MM1469PH
26
Vref
FOCB+
25 55
FO
27
FOCB-
18 Vref
RADB+
19 54
RA
17
RADB-
2
Vref
SLEDGEB+
3 56
SL
1
SLEDGEB-
11 Vref
7811
TTM- 59
MOT1
10
60
12
MOT2
TTM+
8,13,15,16,28,29,30
7811,7879
64
LD ON
LD
CD RW= 3V 61
V4
CD DA= 0V
MON
7878
EQ-Selection
7876,7877
2
HF IN
D1
A-D D2
D3
D4
R1,R2
CONTROL BOARD
+5V
SWITCH
3
2
DISC SENSOR COLLECTOR 8
1
HOME SW 9
4
OPEN SW 7
5
HOLDER HEIGHT COLLECTOR 10
6
UNLOAD SW 6
7
11
ADDRESS1 SW
8
LOAD SW 5
9
ADDRESS2 SW 12
10
CLOSE SW 4
11
ADDRESS3 SW 13
12
+A
OPAMP
2 7803
Micro Controller
TCA0372
5 24
3
TMP87CA409A
6
13
V
REF
7
16
1
8 23
+A
OPAMP
2 7805
TCA0372
8 26
1
7
15
V REF
6
14 3
5 21
OSC.
1 2
1800
CST 8M
5,17,21,52,57
+3,3V
7800
19
VCC
LP
18
LN
SIGNAL PROCESSOR
CD10
SAA7324 (SAA7325)
38
RESET
42
SILD
41
RAB
40
SCL
39
SDA
V1
63
7801
Pin 1..3 not used!
19 4
TRAY_IRQ
Tray_IRQ
16
5
I2C_SCL
Tray_I2C_SCL
17 6
I2C_SDA
Tray_I2C_SDA
27
7
RST
µC_RESET
8
28
VDD +5V ST
9,10
+A
OPAMP
+A
11
+5V
ST
7800
V REF
+5V
SWITCH
7806
10-9
+5V
1824
8 7887
5
+
1
7
6
CD LEFT
-
Active low pass
2
Filter
LM358
3
+
1 3
2
CD RIGHT
-
4
10
RESET
12
SILD
14
SICL
Level shifter
SDA
7815
+3,3V
SDA
1802 1823
8 9
Tray_IRQ Tray_IRQ
7 8
Tray_I2C_SCL Tray_I2C_SCL
6 7
Tray_I2C_SDA Tray_I2C_SDA
11
5
µC_RESET µC_RESET
4 13,15
2,3
+A (+12V)
1
+12V 6
+8V
5
7801
4
+5V
+3,3V
+5V
7815
+3servo
Vref
Analog Audio
Communication with
Set-Microprocessor
+A
GND Supply
+5V
Blockdiagram 5DTC 2002-09-05 CD Version