Hitachi DV-PF7E - Page 115

B-1
B-1 Servo / System Control Block Diagram
B BLOCK DIAGRAMS
MLOADING
MOTOR
CAPSTAN MOTOR
CONTROL
HEAD
AC HEAD
ASSEMBLY
MAIN CBA
KEY- 1
ST-S
T-REEL
REMOTE-VIDEO
CTL(+)
RESET
REC-SAF-SW
PG-DELAY
CTL(-)
D-V-SYNC
D-REC-H
DAVN-L
RF-SW
H-A-SW
C-ROTA
END-S
14
94
95
10
4
80
34
2
13
15
18
33
56
16
31
7
(DECK ASSEMBLY)
T-REEL
Q515
RESET
Q506
S-REEL 79
SW-POINT
AL+5V
VR501
TIMER+5V
S-REEL
PS502
TP502
KEY- 2
8
IIC-BUS SDA
IIC-BUS SDA
IIC-BUS SCL
A-MUTE-H
IIC-BUS SDA
IIC-BUS SCL
Hi-Fi-H-SW
A-MODE
OUTPUT SELECT
OUTPUT SELECT
A-MUTE-H
Hi-Fi-H-SW
A-MODE
H-A-COMP
17
V-ENV
6
P-ON-H
C-POW
-SW
P-ON-H
C-POW-SW
P-DOWN-L
67
66
86 P-DOWN-L
OUTPUT-SELECT
SW506
TO VIDEO
BLOCK DIAGRAM
TO Hi-Fi AUDIO
BLOCK DIAGRAM
TO AUDIO
BLOCK DIAGRAM
11KEY-1
CN509 CN508
POWER SW CBA
SDA
SCL
IC502 (MEMORY)
72
32
19
83
IIC-BUS SCL
D-V-SYNC
D-REC-H
DAVN-L
RF-SW
H-A-SW
C-ROTA
IIC-BUS SDA
H-A-COMP
V-ENV
DVD-POWER
58 C-SYNC
C-SYNC
OUTPUT-SELECT
IIC-BUS SCL
71
LD-SW
REMOTE-VIDEO
9
AL+5V
AL+5V
SW507
LD-SW
AL+5V
D555
S-LED
TO POWER
SUPPLY BLOCK
DIAGRAM
TP501
SENS-INH
IC501
(SERVO/SYSTEM CONTROL)
LINE-MUTE
LINE-MUTE
28
5
6
SENSOR CBA
SENSOR CBA
END-S
ST-S
Q504
Q503
REC-SAFETY
END-S
CTL 97
TP503
CTL
82
SW651
POWER
TO DVD SYSTEM
CONTROL BLOCK
DIAGRAM
<DVD SECTION>
TO DVD SYSTEM
CONTROL BLOCK
DIAGRAM
<DVD SECTION>
TO DVD
VIDEO/AUDIO
BLOCK DIAGRAM
<DVD SECTION>
CN502
C-FG
C-CONT
D-PFG
C-F/R
90
76
87
78
LM-FWD/REV
81
D-CONT 77
AL+20.5V/+12V
AL+12V(2)
P-ON+15V
P-ON+5V
1 AL+20.5V/+12V
2 P-ON+5V
3 C-FG
4
C-F/R
5
C-CONT
6
GND
7
LM-FWD/REV
8
D-CONT
9
D-PFG
10
GND
11
AL+12V(2)
12
P-ON+15V
DRV-DATA
DRV-STB
DRV-CLK
DISPLAY-DATA
DISPLAY-STB
DISPLAY-CLK
68
69
21
70
DVD-LED
VCR-LED
Q508
Q509
29
30
D503
VCR
D502
DVD
AL+5V
REC-LED
Q511
26
D504 REC
TIMER-LED
Q502
25
D501 TIMER
KEY SWITCH
KEY SWITCH
CN504
CL504
2 CTL(+)
1 CTL(-)
DVD-POWER
CYLINDER ASSEMBLY
DRUM
MOTOR
PG
SENSOR
M
M
CAPSTAN
MOTOR
MOTOR
DRIVE
CIRCUIT
65 TRICK-H
61 SECAM-H
TRICK-H
SECAM-H
OUTPUT-SELECT