Hitachi DVPF2E Service Manual page 99

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