Emerson EWD7002 Service Manual page 17

RF Signal Process/Servo Block Diagram
PICK-UP UNIT
CN101
A 6
B 9
C 10
DETECTOR
D 7
F 4
E 5
CD/DVD 21
CN101
CD-LD 20
DVD-LD 12
PD-MONI 11
GND 14
GND 13
GND 19
IC103
(SW)
TS FS
CN101
FS(+) 17
FS(-) 16
TS(+) 15
TS(-) 18
RELAY CBA
CN401
LOADING M LM(+) 1
MOTOR
LM(-) 2
SPINDLE
SP(-) 6
M
MOTOR
SP(+) 7
SLIDE
M SL(+) 9
MOTOR
SL(-) 8
TRAY-IN 3
TRAY
GND 5
-IN
TRAY-OUT 4
TRAY-OUT
SW CBA
1-7-3
DATA(VIDEO/AUDIO) SIGNAL
IC101 (RF SIGNAL PROCESS)
47
57
58
59
INPUT
60
MATRIX
62
63
TRACKING
BALANCE
FOCUS
BALANCE
Q102
AMP 4
AMP 2 LPC
Q101
AMP
3
1
1 3
6
4
IC401 (SERVO DRIVE)
12
FOCUS
MOTOR DRIVE
11
14 TRACKING
MOTOR DRIVE
13
MUTE
10 LOADING
MOTOR DRIVE
9
18 SPINDLE
MOTOR DRIVE
17
15 SLIDE
MOTOR DRIVE
16
+3.3V
FOCUS SERVO SIGNAL
HOLD
VGA EQ
BDO DET
VEL
ADJ
OFTR DET
MIRROR DET
TRACKING
ERROR DET
FOCUS
ERROR DET
6
5
21
1
2
+ 24
23
-
22
+ 27 V-REF
- 26
25
POWER
4
SAVE
TRACKING SERVO SIGNAL SLIDE SERVO SIGNAL
DVD MAIN CBA UNIT
41
46
31
30
40
39
18
6
22
7
20
11
SERIAL 13
I/F
14
12
IC201 (SERVO DSP)
115 DAC1
FBAL 66
TBAL 65
OFTR 51
114 DAC0 BDO 52
AD1 118
(OP AMP)
AD0 117
5
TRCRS 90 8
68 SPDRV
AD2 119
3
TRSDRV
67
AD3 120
1-7-4
DISK SERVO SIGNAL
TESTSG
FROM/TO DVD
ARF
SIGNAL PROCESS
BLOCK DIAGRAM
NARF
STANDBY
SCK
STDIO
SEN
CD/DVD
FROM/TO
IC102
SYSTEM CONTROL
BLOCK DIAGRAM
CFE
7
10
CAS
1
MUTE
TFWD
TREV
TIN
PS
TOUT
E5662BLRF