Block Diagram 3Cdc-Lc - Philips FWM35/21 Service Manual

Blockdiagram

BLOCK DIAGRAM 3CDC-LC

CD MECHANISM
VAM2201
DISC
TURNTABLE
MOTOR
FOCUS
MOTOR
RADIAL
MOTOR
SLEDGE
MOTOR
TURNTABLE
MOTOR
LASER &
MONITOR
DIODE
PHOTO
DIODES
D4
D1 D5
D2 D3
not on all versions
INNER SWITCH
1876 1875
CAROUSEL
5
POS. RECOGNITION
1
1883
3
1882
CD POS.1 SWITCH
2
CAROUSEL
MOTOR
4
TRAY
1,3
TRAY
MOTOR
2
1877 1878
10-5
MP3 Version
MAINBOARD
7802
TDA7073A
FOC +
55
FOC -
RAD +
54
RAD -
7803
TDA7073A
SLEDGE +
56
SLEDGE -
TTM -
59
TTM +
60
+5V +3,3V
7801
2 13
1
LD 7 64
LD ON
11 61
CD/RW
4
MON
LASER CONTROL
&
HF AMPLIFIER
5
D2-D4
TZA1024
10
(TZA1025)
6,14
D1-D5
SWITCH INFO
1
5 1883 open if carousel is in a valid Play-Position.
3 1882 closed if carousel is in Position 1.
1880
Closed if the tray is in one endposition.
Open during movement.
TRAY SWITCH
1881
Open if the drive is in one endposition.
Closed during movement.
CD DRIVE UP/DOWN SWITCH
7814
TDA7073
4
2
1,3
2
5,17,21,52,57
+3,3V
7802
19
VCC
LP
18
LN
FO
23
RP
22
RA
RN
SCLI IIS_SCLK
37
SDI AU_IIS_DATA
36
SIGNAL PROCESSOR
IIS_WCLK
WCLI 35
CD10
SL
SAA7324 (SAA7325)
DATA
27 CD_IIS_DATA
WCLK 28
IIS_WCLK
M1
SCLK
29 IIS_SCLK
M2
38
RESET
42
SILD
41
LD ON
RAB
V4
40
SCL
39
SDA
3
ISLICE
2
HF IN
D1
D2
D3
D4
V1 DOBM
R1,R2
63 51
7813
2
7 DATA
3
SHR_CL
6
1
STB
SHIFT
REGISTER
16
4 VDD
HEF4094BT
15
5
EN1
V
VDD (pin 16)
EN1 (pin 15)
t
12
D5
11
D3
10
D2
9
D0
10-5
+5V
8 7816
3
+
6 15
2
CD LEFT
-
Active low pass
14
Filter
TDA1308
5
+
7 13
15
CD RIGHT
-
1802
4
AU_IIS_DATA
AU_IIS_DATA
7
CD-DA coded IIS_SCLK
IIS_SCLK
DIGITAL AUDIO
IIS_WCLK 5
IIS_WCLK
MP3 coded
CD_IIS_DATA
3
CD_IIS_DATA
13
RESET
12
SILD
11
RAB
10
SICL
9
SDA
2,6,8,14,15,19
GND
1
+5V +5V
11
µP_CLK
µP_CLK
µP_DATA 10
µP_DATA
9
µP_FRAME
µP_FRAME
µP_FRAME
µP_CLK
µP_DATA
SWITCH INFO
SHR-DATA
SHR_CL
SHR_STR
1,3
+10V
5V1
+3servo
Vref
7815
+5V
+3,3V
12
+5V
10
+10V
11
1805
Analog Audio
External MP3-Decoder
Communication
µP ↔ Signal Processor
1805
5
4
2
9
6
Changer
7
Control Logic
8
GND
1805
+5V
Supply
+10V
GND