1-9-1
Servo/System Control Block Diagram
H9776BLS
BLOCK DIAGRAMS <VCR SECTION>
M
LOADING
MOTOR
CAPSTAN MOTOR
CONTR
OL
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
RF-SW
H-A-SW
C-ROTA
END-S
14
94
95
10
4
80
34
2
13
15
18
33
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 SCL
A-MUTE-H
IIC-BUS SDA
IIC-BUS SCL
Hi-Fi-H-SW
A-MODE
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
SDA
SCL
IC502
(MEMORY)
72
32
19
83
IIC-BUS SCL
D-V-SYNC
D-REC-H
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
CAPSTAN
MOTOR
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
TO DVD SYSTEM
CONTROL BLOCK
DIAGRAM
<DVD SECTION>
TO DVD SYSTEM
CONTROL 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
M
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
POWER-LED
Q507
23
KEY SWITCH
KEY SWITCH
CN504
CL504
5
CTL(+)
6
CTL(-)
INPUT-SELECT
FRONT-AV
20
DVD-POWER
CYLINDER ASSEMBLY
DRUM
MOTOR
PG
SENSOR
M
OUTPUT-SELECT
REC-LED
Q511
26
D504
REC
TIMER-LED
25
TIMER
D501
Q502
A,B
C
C
AUDIO-SW1
FRONT-AV
AUDIO-SW1
TO AUDIO
BLOCK DIAGRAM
62
AUDIO-SW2
AUDIO-SW2
63
A,B
IIC-BUS SDA
OUTPUT SELECT
C
INPUT-SELECT
41
11
KEY-1
33
POWER-LED
CN509
D651
CN508
AL+5V
POWER SW CBA
POWER
SW651
POWER
TO AUDIO
BLOCK DIAGRAM
Comparison Char
t of
Models & Marks
Model
Mark
DPVR-5505
DPVR-5505V
A
B
DPVR-5805
C