1-11-1
BLOCK DIAGRAMS
Servo/System Control Block Diagram
E9B00BLS
M
LOADING
MOTOR
CAPSTAN MOTOR
CONTR
OL
HEAD
5
CTL(+)
6
CTL(-)
CN504
ACE HEAD ASSEMBLY
MAIN CBA
KEY- 1
ST-S
T-REEL
CTL(+)
RESET
PG-DELAY
CTL(-)
D-V-SYNC
D-REC-H
RF-SW
H-A-SW
C-ROTA
END-S
94
95
10
4
80
34
2
7
REMOCON-IN
14
(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
AUDIO-MUTE-H
IIC-BUS SDA
IIC-BUS SCL
Hi-Fi-H-SW
A-MODE
VCR-AUDIO-MUTE
Hi-Fi-H-SW
A-MODE
H-A-COMP
V-ENV
VIDEO-SW1
OUTPUT-SELECT
IIC-BUS SCL
IIC-BUS SDA
OUTPUT-SELECT
22
82
23
VIDEO-SW2
VIDEO-SW1
24
VIDEO-SW2
VIDEO-SW3
IIC-BUS SDA
IIC-BUS SCL
DVD-AUDIO-MUTE2
OUTPUT-SELECT
RGB-THROUGH
OUTPUT-SELECT
VIDEO-SW3
27
RGB-THROUGH
29
DVD-AUDIO-MUTE2
DVD-SCART
-AUDIO-MUTE
TO VIDEO
BLOCK DIAGRAM
TO VIDEO
INPUT SELECT
BLOCK DIAGRAM
TO VIDEO
OUTPUT SELECT
BLOCK DIAGRAM
TO AUDIO
INPUT/OUTPUT
SELECT
BLOCK DIAGRAM
TO Hi-Fi AUDIO
BLOCK DIAGRAM
TO AUDIO
BLOCK DIAGRAM
2
2
POWER-SW
3
3
POWER-LED
CN508
D671
CN671
AL+5V
AL+5V
POWER SW CBA
1
1
OPEN/CLOSE-SW
2
2
DUBBING-SW
CN510
CN681
FUNCTION CBA
86
19
83
DRV-DATA
POWER-LED
DVD-LED
VCR-LED
1G
7G
a
i
68
DRV-CLK
70
DRV-STB
DRV-DIN
DRV-CLK
DRV-STB
69
7
1
3
2
20
28
42
36
8
9
IIC-BUS SCL
D-V-SYNC
D-REC-H
RF-SW
H-A-SW
TRICK-H
C-ROTA
IIC-BUS SDA
H-A-COMP
V-ENV
DVD-AUDIO-MUTE2
DVD-SCART-AUDIO-MUTE
30
SECAM-H
C-SYNC
TRICK-H
SECAM-H
C-SYNC
IIC-BUS SCL
LD-SW
9
AL+5V
SW507
LD-SW
AL+5V
D555
S-LED
TP501
RM1501
SENS-INH
IC501
(SERVO/SYSTEM CONTROL)
IC612
(FIP DRIVER)
AUDIO-MUTE-2
AUDIO-MUTE-2
28
SENSOR CBA
SENSOR CBA
END-S
ST-S
Q504
Q503
REC-SAF-SW
31
SW506
AL+5V
REC-SAFETY
REMOTE
SENSOR
END-S
CTL
97
TP503
CTL
POWER
SW673
POWER
DVD
VCR
FL601
GRID
SEGMENT
FIP
D502
D503
SW681
SW682
OPEN/CLOSE
DUBBING
CN502
C-FG
C-CONT
D-PFG
C-F/R
90
76
87
78
DVD-POW-SAFETY
S-DATA-OUT
S-DATA-IN
65
89
66
READY/BUSY
S-CLOCK
64
67
LM-FWD/REV
81
26
DVD-AUDIO-MUTE
D-CONT
77
SYSTEM-RESET
63
3
C-FG
4
C-F/R
5
C-CONT
7
LM-FWD/REV
8
D-CONT
9
D-PFG
CN1502
61
62
58
6
17
16
13
15
18
33
71
72
DVD KEY SWITCH
VCR KEY
SWITCH
CYLINDER ASSEMBLY
DRUM
MOTOR
PG
SENSOR
M
M
CAPSTAN
MOTOR
MOTOR
DRIVE
CIRCUIT
Q517
Q516
Q518
Q519
IC101
(MAIN MICR
O CONTR
OLLER)
D
VD MAIN CB
A
N23
J25
T4
N24
L25
R24
27MHz
X'T
AL
X802
CLK 27 IN
CLK 27 OUT
SYS-RESET
SYS-RESET
SUB-RXD
SUB-TXD
SUB-SCLK
RD
Y
CN701
N1
N2
44
SYS-RESET
11
SUB-RXD
33
SUB-TXD
55
SUB-SCLK
22
RD
Y
IC106
CN101
CN1501
25
REG-CONT2
VI+1.2V
P-ON+1.2V
30
30
1V2CONT
+1.2V
REGULA
T
OR
B
Comparison Char
t of
Models & Marks
Model
Mark
D
VR-A3635
D
VR-C3835
A
B
www.freeservicemanuals.info
3/21/2018
Digitized in Heiloo Netherlands