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3CDC-LC-MB Module
(3 Disc Carousel Changer)
Note:
This module is mechanically the same as the 3CDC-LC Module.
All service information refers to Chapter 10 except the schematics, layouts & electrical parts list related to the CDC
board.
The CDC board can be recognized by 12NC: 3103 303 34522 printed on the board.
TABLE OF CONTENTS
Block diagram .............................................................. 10A-1
CDC Board component & copper side views .............. 10A-2
Circuit diagram Part 1 .................................................. 10A-3
CDC Board component & copper side views .............. 10A-4
Circuit diagram Part 2 .................................................. 10A-5
Electrical parts list ........................................................ 10A-6
10A-1
3CDC-LC-MB BLOCK DIAGRAM
CD MECHANISM
PHOTODIODE & HF AMPLIFIER - LOADER CONTROL PCB
DISC
TURNTABLE
COMMON
MOTOR
TCA0372
7806
FOCUS
MOTOR
FOC -
55
FO
TRACK -
54
RA
RADIAL
MOTOR
Vref
TCA0372
7807
SLEDGE
MOTOR
SLIDE -
56
SL
TCA0372
7808
DISC -
59
MOT1
TURNTABLE
MOTOR
DISC+
60
MOT2
LASER &
MONITOR
+5V
+3,3V
DIODE
7801
2
13
1
LD
7
64
LD ON
4
MON
61
11
V4
CD R/W
Laser Control
PHOTO
DIODES
&
HF AMPLIFIER
D4
D2-D4
5
TZA1024 (TZA1025)
10
15
D1
D5
HF IN
D2
D3
6,14
D1
D1-D5
D2
D3
D4
V1
R1,R2
INNER SWITCH
63
SWITCH INFO
1883
Open if carrousel is in a valid Play-Position.
7
O3
1882
Closed if carrousel is in Position 1.
6
O2
CD POS.1 SWITCH
1880
Closed if the tray is in one endposition.
4
O0
Open during movement.
TRAY SWITCH
REGISTER
1881
HEF4094BT
Open if the drive is in one endposition.
5
O1
Closed during movement.
CD DRIVE UP/DOWN SWITCH
7821
TCA0372
12
O6
CARROUSEL
MOTOR
11
O7
TCA0372
14
O4
TRAY MOTOR
13
O5
7822
10A-1
+10V
+5V
+5,6V
7877
8
7805
19
3
LP
+
6
18
2
CD LEFT
LN
-
Active low pass
Filter
TDA1308
23
5
RP
+
7
22
15
CD RIGHT
RN
-
SERVO - DECODER
CD10
SAA7324 (SAA7325)
38
PORE
42
SILD
40
SCL
7874
39
SDA
7875
+3,3V
VCC
+5V
5,17,21,52,57
SWITCH INFO
7873
2
DATA
3
SHR_CL
SHR_CL
1
STB
STR-OUTP
SHIFT
16
VDD
+10V
5V1
15
EN1
OE_LATCH
V
VDD (pin 16)
EN1 (pin 15)
t
Blockdiagram 3CDC-LC-MB 2000 04 27
1805
18
20
23
21
2
PORE
4
SILD
6
SICL
5
DATA
FLEX-FOIL
8001
17
15
16
9
SPR 00 0031
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