Hitachi DV-PF7E Wartungshandbuch Seite 115

FOCUS SERVO SIGNAL
PCM-SCLK
A-MUTE
ADAC-MD
TO DVD
ADAC-MC
VIDEO/ AUDIO
ADAC-ML
BLOCK DIAGRAM
ASPECT
I/P-SW
FS(+)
FS(-)
TO DIGITAL SIGNAL
TS(+)
PROCESS BLOCK
DIAGRAM
TS(-)
TRAY-IN
SPINDLE
MOTOR
CN301
M
SP(+) 3
SP(-) 4
TRAY-IN 5
SLED
GND 6
MOTOR
SL(-) 7
M
SL(+) 8
DRIVE CBA
SLED SERVO SIGNAL
TRACKING SERVO SIGNAL
IC462
+3.3V
1 RESET 3
IC301
VREF
(SERVO DRIVE)
27
+
FOCUS
15
+
-
ACTUATOR
26
-
16 DRIVE
25
24
+
TRACKING
14
+
-
ACTUATOR
1
-
13 DRIVE
2
3
SPINDLE
12
+
MOTOR
4
- +
11 DRIVE
-
5
6
SLED
17
+
MOTOR
-
18 DRIVE 23
IC202
(OP AMP)
3
1
2
5
7
6
+3.3V
12
14
13
DVD MAIN CBA
SPINDLE SERVO SIGNAL
IC101
(MICRO CONTROLLER)
163 PCM-SCLK
88 A-MUTE
57 ADAC-MD
56 ADAC-MC
86 ADAC-ML
21 ASPECT
183 I/P-SW
73 RESET
146 FD-OFST
148 FOCUS DRIVE
CN401
139 TD-OFST DVD-PLAY 53 25 DVD-PLAY
147 TRACKING DVD-STOP 54 26 DVD-STOP
DRIVE
DVD-POWER 65 DVD-POWER
23
OPEN/CLOSE 68 24 DVD-OPEN/CLOSE 24
FP-STB 82 20 FP-STB
19 FP-DIN
FP-DIN 60
76 SPDL
FP-CLK 59 18 FP-CLK
REMOTE 67 22 REMOTE-DVD
OUTPUT-SELECT 55 27 OUTPUT-SELECT
75 SLD
143 SP-ROT
81 SL-AMP
66 TRAY-IN
DVD OPEN/CLOSE CBA
CN2015 CN2016
EV+3.3V 2 EV+3.3V 2
1 DVD-OPEN/CLOSE 1
EV+3.3V
SW2022
PLAY
SW2021
STOP
CL1051
25
26
23 DVD-POWER
OUTPUT
-SELECT
20
19
18
22
IC612
27
(FIP DRIVER)
1G 23
7G 17
a 7
b 8
c 9
d 10
e 11
2 FP-STB f 12
28 FP-DIN g 13
1 FP-CLK h 14
i 16
REMOTE-VIDEO
RM2001
DISPLAY-CLK
REMOTE
DISPLAY-DATA
SENSOR
DISPLAY-STB
MAIN CBA
SW2020
DVD OPEN/CLOSE
FROM SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
<VCR SECTION>
IC611
GRID FIP
SEGMENT
TO SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
<VCR SECTION>