Block Diagram 3Dtc - Philips MC-50/22 Service Manual

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BLOCK DIAGRAM 3DTC

CD MECHANISM
VAM2201
DISC
TURNTABLE
MOTOR
FOCUS
MOTOR
RADIAL
MOTOR
SLEDGE
MOTOR
TURNTABLE
MOTOR
LASER &
MONITOR
DIODE
PHOTO
DIODES
D4
D1 D5
D2 D3
INNER SWITCH
10-11
MAINBOARD
7802
TDA7073A
FOC +
FOC -
RAD +
RAD -
7803
TDA7073A
SLEDGE +
SLEDGE -
TTM -
TTM +
+5V +3,3V
2 13 7801
1
LD
7
11
CD R/W
4
MON
Laser Control
&
HF AMPLIFIER
5
D2-D4
TZA1024 (TZA1025)
10
6,14
D1-D5
Loader mechanic
SWITCH INFO
SW2 Closed if carriage extra has been detected
CARRIAGE EXTRA
SW3 Closed if carriage is in play position.
CARRIAGE HOME
SW4
CARRIAGE NUMBER
SW4 and SW5 define the used carriage
SW5
CARRIAGE NUMBER
SW6 Closed if the drawer closed
DRAWER OPEN/CLOSE
SW7 Closed if slider moves forwards
SLIDER FORWARD
SW8 Closed if slider moves backwards
SLIDER REVERSE
7815
TDA7073A
CARRIAGE
MOTOR
DRAWER
MOTOR
7800
55
FO
54
RA
19
LP
SIGNAL PROCESSOR
18
LN
56 CD10
SL
SAA7324 (SAA7325)
59
MOT1
23
RP
60
MOT2 22
RN
38
RESET
64 42
SILD
LD ON
61 40
V4 SICL
41
RAB
39
SDA
2
HF IN
D1
D2
VCC
D3
5,17,21,52,57
D4
V1 KILL DOBM
R1,R2
63 34 32 51
KILL L
not connected
KILL R
7813
2
DATA
12
3
SHR_CL
13
7
SHIFT
14
REGISTER
6
HEF4094BT
5
16
VDD
+10V
4
5V1
7814
13
VDD
10
D5
2
SHR_CL
7
D3
3
SHIFT DATA
REGISTER
6
D2
M62320FP
4
D0
12
RESET
D7
10-11
+5V
8 7816
3
+
6 19
2
CD LEFT
-
Active low pass
18
Filter
TDA1308
5
+
7 17
15
CD RIGHT
-
8
6
10
9
+3,3V
3
EBU OUT EBU
4
13
SWITCH INFO
12
SHR-DATA
11
SHR_CL
7811
+5V
+3,3V
+4V
6801
16
+5V
14
+10V
It`s Free
1803
Analog Audio
1803
SILD
SICL
Communication
µP ↔ Signal Processor
RAB
DATA
1803
Digital Audio
Changer
Control Logic
1803
+5V
Supply
+10V
Blockdiagram 3DTC 2000-06-05 BASIC Version