FUNAI DRV-C3835 - BLOCK DIAGRAMS; Servo;System Control Block Diagram

1-11-1
BLOCK DIAGRAMS
Servo/System Control Block Diagram
E9B00BLS
MLOADING
MOTOR
CAPSTAN MOTOR
CONTROL 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-REEL79
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 2POWER-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-SW9
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-CONT77
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 MICRO CONTROLLER)
DVD MAIN CBA
N23
J25
T4
N24
L25
R24
27MHz X'TAL
X802
CLK 27 IN
CLK 27 OUT
SYS-RESET SYS-RESET
SUB-RXD
SUB-TXD
SUB-SCLK
RDY
CN701
N1 N2
44SYS-RESET 11SUB-RXD 33SUB-TXD 55SUB-SCLK 22RDY
IC106
CN101 CN1501
25
REG-CONT2
VI+1.2VP-ON+1.2V
30 301V2CONT
+1.2V REGULATOR
B
Comparison Chart of Models & Marks
Model Mark
DVR-A3635
DVR-C3835
A B
www.freeservicemanuals.info
3/21/2018
Digitized in Heiloo Netherlands