Hitachi DV-PF2U Service Manual page 83

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
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
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
MUTE
10 LOADING
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
BDO DET
VEL
ADJ
OFTR DET
MIRROR DET
TRACKING TRACKING
BALANCE ERROR DET
FOCUS FOCUS
BALANCE ERROR DET
6
5
21
1
2
+ 24
- 23
22
+ 27 V-REF
- 26
25
POWER
4
SAVE
TRACKING SERVO SIGNAL SLIDE SERVO SIGNAL
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
AD0 117
TRCRS 90
68 SPDRV
AD2 119
67 TRSDRV
AD3 120
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
4-2-7