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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
2
13
7801
1
LD
7
64
LD ON
61
11
CD/RW
4
MON
LASER CONTROL
&
HF AMPLIFIER
D2-D4
5
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
IIS_SCLK
SCLI
37
AU_IIS_DATA
SDI
36
SIGNAL PROCESSOR
WCLI
35
IIS_WCLK
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
DOBM
R1,R2
V1
63
51
7813
2
7
DATA
3
SHR_CL
6
1
STB
SHIFT
REGISTER
16
VDD
4
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
+
15
6
2
CD LEFT
-
Active low pass
14
Filter
TDA1308
5
+
7
13
15
CD RIGHT
-
1802
4
AU_IIS_DATA
AU_IIS_DATA
7
IIS_SCLK
CD-DA coded
IIS_SCLK
DIGITAL AUDIO
5
IIS_WCLK
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
µP_CLK
11
µP_CLK
µP_DATA
10
µP_DATA
µP_FRAME
9
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
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