Blockdiagram; Control Board - Philips MCW770 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
3
A
2
HOLDER HEIGHT COLLECTOR
GND 1
HOME SW
4
HOME SW
5
6
B
OPEN SW
GND
7
OPEN SW
8
C
GND
UNLOAD SW 9
UNLOAD SW
10
11
LOAD SW
D 12
LOAD SW
GND
CLOSE SW
CLOSE SW
ADDRESS1 SW
ADDRESS1 SW
E ADDRESS2 SW
13
GND
ADDRESS2 SW
ADDRESS3 SW
ADDRESS3 SW
16
TRAY
MOTOR
LIFT
MOTOR
15
14
1801
10-5
MP3 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
DISC SENSOR COLLECTOR 8
HOME SW 9
7
OPEN SW
HOLDER HEIGHT COLLECTOR 10
UNLOAD SW 6
ADDRESS1 SW 11
LOAD SW 5
ADDRESS2 SW 12
CLOSE SW 4
ADDRESS3 SW 13
+A
OPAMP
2 7803
Micro Controller
TCA0372
5 24
3
TMP87CA409A
6
V REF
7
1
8 23
+A
OPAMP
7805
2
TCA0372
8 26
1
7
V
REF
6
3
5 21
OSC.
1 2
1800
CST 8M
5,17,21,52,57
+3,3V
7800
19
VCC LP
18
LN
23
RP
22
RN
IIS_SCLK
SCLI 37
SDI AU_IIS_DATA
36
SIGNAL PROCESSOR
IIS_WCLK
WCLI 35
CD10
SAA7324 (SAA7325)
DATA
27 CD_IIS_DATA
MP3 coded
WCLK 28 IIS_WCLK
SCLK
29 IIS_SCLK
38
RESET
42
SILD
41
RAB
40
SCL
39
SDA
51 Digital out
DOBM
For DIGITAL OUT versions only
V1
63
7801
Pin 1..3 not used!
1802
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
10-5
+5V
1824
8 7887
5
+
1
7
6
CD LEFT
-
Active low pass
2
Filter
LM358
3
+
1 3
2 CD RIGHT
-
4
1820
16
AU_IIS_DATA
AU_IIS_DATA
IIS_SCLK 13
CD-DA coded
IIS_SCLK
DIGITAL AUDIO
15
IIS_WCLK
IIS_WCLK
CD_IIS_DATA 17
CD_IIS_DATA
7
RESET
8
SILD
9
RAB
10
SICL
11
SDA
6
SPDIF
1,5,12,14,18
GND
19
+5V +5V
µP_CLK 2
µP_CLK
µP_DATA
3
µP_DATA
µP_FRAME 4
µP_FRAME
11
µP_FRAME
12
µP_CLK
14
µP_DATA
1823
9
8
Tray_IRQ Tray_IRQ
7 8
Tray_I2C_SCL Tray_I2C_SCL
6 7
Tray_I2C_SDA Tray_I2C_SDA
10
5
µC_RESET µC_RESET
4 13,15
GND
2,3
1824
+A (+12V)
1
1824
+12V
6
+8V +A
5
GND
7801
4
+5V +5V
+3,3V
+5V
7815
+3servo
Vref
Analog Audio
MP3 BOARD
MP3-Decoder
Communication
DSP ↔ Signal Processor
Control Logic
Supply
Blockdiagram 5DTC 2002-09-05 MP3 Version