1-12-1
BLOCK DIAGRAMS <VCR SECTION>
Servo / System Control Block Diagram
H9923BLS
M
LOADING
MOTOR
CAPSTAN MOTOR
CONTR
OL
HEAD
MAIN CBA
KEY- 1
POWER-LED
ST-S
T-REEL
REMOCON-IN
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
SW-POINT
AL+5V
VR501
TIMER+5V
TP502
KEY- 2
8
D-REC-H
IIC-BUS SDA
IIC-BUS SDA
IIC-BUS SCL
AUDIO-MUTE-H
IIC-BUS SDA
IIC-BUS SCL
Hi-Fi-H-SW
A-MODE
OUTPUT SELECT
AUDIO-MUTE-H
Hi-Fi-H-SW
A-MODE
H-A-COMP
17
V-ENV
6
P-ON-H
P-ON-H
P-DOWN-H
73
32
P-DOWN-H
OUTPUT-SELECT
SW506
TO VIDEO
BLOCK DIAGRAM
TO Hi-Fi AUDIO
BLOCK DIAGRAM
TO AUDIO
BLOCK DIAGRAM
11
KEY-1
33
POWER-LED
CN509
D651
CN508
POWER SW CBA
SDA
SCL
IC502
(MEMORY)
72
86
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
DVD-POWER
C-SYNC
OUTPUT-SELECT
IIC-BUS SCL
71
LD-SW
REMOCON-IN
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)
AUDIO-MUTE-H
5
6
SENSOR CBA
SENSOR CBA
END-S
ST-S
Q504
Q503
REC-SAFETY
END-S
CTL
97
TP503
CTL
79
23
POWER
SW651
POWER
TO DVD SYSTEM
CONTROL /SERVO
BLOCK DIAGRAM
<DVD SECTION>
TO DVD SYSTEM
CONTROL /SERVO
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+12V(1)
P-ON+15V
P-ON+5V
1
AL+12V(1)
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(1)
12
P-ON+15V
DRV-DATA
DRV-STB
DRV-CLK
DISPLAY-DATA
DISPLAY-STB
DISPLAY-CLK
68
69
42
INPUT-SELECT
INPUT-SELECT
41
70
DVD-LED
VCR-LED
D503
VCR
D502
DVD
KEY SWITCH
CN504
CL504
5
CTL(+)
6
CTL(-)
CYLINDER ASSEMBLY
DRUM
MOTOR
PG
SENSOR
M
OUTPUT-SELECT
KEY SWITCH
POWER-LED
24
DVD-LED
DVD-LED
63
VCR-LED
60
VCR-LED
61
64
59
ACE HEAD
ASSEMBLY
M
CAPSTAN
MOTOR
MOTOR
DRIVE
CIRCUIT
62
“
“ = SMD
TEST POINT INFORMA
TION
:INDICA
TES A
TEST POINT
WITH A JUMPER
WIRE A
C
R
OSS A HOLE IN
THE PCB
.
:USED
T
O
INDICA
TE A
TEST POINT
WITH A COMPONENT LEAD ON FOIL SIDE.
:USED
T
O
INDICA
TE A
TEST POINT
WITH NO
TEST PIN.
:USED
T
O
INDICA
TE A
TEST POINT
WITH A
TEST PIN.
NO
TE FOR
WIRE CONNECT
ORS:
1.
PREFIX SYMBOL "CN" MEANS CONNECT
OR.
(CAN DISCONNECT AND RECONNECT
.)
2.
PREFIX SYMBOL "CL" MEANS
WIRE-SOLDER
HOLES OF
THE PCB
.
(WIRE IS SOLDERED DIRECTL
Y
.)
Summary of Contents for DVP3050V/75
Page 12: ...1 6 1 H9923IB OPERATING CONTROLS AND FUNCTIONS ...
Page 13: ...1 6 2 H9923IB ...