Denon dvd-900 Service Manual page 21

RF Signal Process/Servo Block Diagram
Q Q
3 7 6 3 1 5 1 5 0
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
T E
L 1 3 9 4 2 2 9 6 5 1 3
TS FS
CN101
FS(+) 17
FS(-) 16
TS(+) 15
TS(-) 18
RELAY CBA
CN401
LM(+) 1
LOADING M
MOTOR
LM(-) 2
SPINDLE
SP(-) 6
M
MOTOR
SP(+) 7
SLIDE SL(+) 9
M
MOTOR
SL(-) 8
TRAY-IN 3
TRAY
GND 5
-IN
TRAY-OUT 4
w w w
TRAY-OUT
SW CBA
.
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
IC103
(SW) 6
4
IC401 (SERVO DRIVE)
12 FOCUS
MOTOR DRIVE
11
14 TRACKING
MOTOR DRIVE
13
MUTE
LOADING
10
MOTOR DRIVE
9
18 SPINDLE
MOTOR DRIVE
17
15 SLIDE
MOTOR DRIVE
16
+3.3V
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y
i
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DATA(VIDEO/AUDIO) SIGNAL FOCUS SERVO SIGNAL
HOLD
VGA EQ
BDO DET
VEL
ADJ
OFTR DET
MIRROR DET
TRACKING
ERROR DET
FOCUS
ERROR DET
Q Q
3 7 6 3
6 115
5 114
21
1
2
+ 24
- 23 68 SPDRV
22
+ 27 V-REF
- 26 67
25 Q401
OVER VOLTAGE
POWER
4 PROTECTOR
SAVE
u 1 6 3
.
- 21 -
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9 2 4 9 8
TRACKING SERVO SIGNAL SLIDE SERVO SIGNAL
DVD MAIN CBA UNIT
41
46
31
30
40
39
18
6
22
7
20
STANDBY
11
SERIAL 13
I/F
14
12
1 5 1 5 0 8 9 2 4
IC201 (SERVO DSP)
DAC1 FBAL 66
TBAL 65
OFTR 51
DAC0 BDO 52
AD1 118
IC102
(OP AMP)
AD0 117
5
TRCRS 90 8
AD2 119 3
TRSDRV
AD3 120
m
c o
2 9 9
DISK SERVO SIGNAL
TESTSG
FROM/TO DVD
ARF
SIGNAL PROCESS
BLOCK DIAGRAM
NARF
SCK
STDIO
SEN
9 8 2 9 9
CD/DVD
FROM/TO
SYSTEM CONTROL
BLOCK DIAGRAM
CFE
7
10
CAS
1
MUTE
TFWD
TREV
TIN
PS
TOUT