Philips CDR796 Service Manual page 41

BLOCK DIAGRAM Universal Loader
CD MECHANISM MAINBOARD
VAM2201, VAM2202, VAM2204
DISC
M63000
TURNTABLE
32
FOC+
MOTOR
FOCUS
MOTOR
33
FOC-
5
RADIAL TRA+
MOTOR
4
TRA-
13
SLI+
SLIDE
MOTOR
14
SLI-
23
DISC-
TURNTABLE
MOTOR
24
DISC+
LASER &
MONITOR
+5V
DIODE
2
1
LD
4
MON
LASER CONTROL
PHOTO
DIODES
HF AMPLIFIER
5
D4 D2-D4 TZA1024
D1 D5
(TZA1025)
D2 D3
INNER SWITCH
3 3
TRAY
SWITCH
4 4
2 2
TRAY
TRAY
MOTOR
1 1
1806 1830
8-3
CDR Version
+8V
7819
16,17,20
34 55
FO
3 54
RA
Standby 36
15 56
SL
19 59
MOT1
MOT2
21 60
6...12
25...31
+3,3V
7801
13
7 64
LD ON LD ON
61
11
CD/RW V4
7803
Low = 2x speed 62
12
EQSEL V5
High = 1x speed
7802
3
ISLICE
High amplification
&
(4x speed)
10 2
HF IN
6,14
Low amplification
D1
D1-D5 (1x and 2x speed)
D2
D3
D4
R1,R2
SW INFO
+8V
7815
2
TCA0372
TRAY OUT
8
1
7
REF (3,2V)
6
3
5 TRAY IN
4
7802
SIGNAL PROCESSOR
CD10
SAA7324 (SAA7325)
38
RESET
42
SILD
41
RAB
40
SCL
39
SDA
VCC +3,3V
5,17,21,52,57
V1 DOBM
63 51
8-3
1802
6
RESET
5
SILD
4
RAB
3
SICL
2
SDA
1
GND
8
GND
7
SPDIF
7816
+5V
+3,3V
1805
9
NC
6802
8
+5V +5V
7820
7
GND
+A 6
+10V
+8V
SW INFO 5
SW INFO
4
TRAY OUT
TRAY OUT
3
TRAY IN
TRAY IN
2
SPEEDSEL
SPEEDSEL
1
NC
Digital Audio
Supply
Control
Blockdiagram Universal Loader 2002 02 12
CDR Version