FUNAI DR-C3835 - BLOCK DIAGRAMS; System Control Block Diagram

1-9-1
BLOCK DIAGRAMS
System Control Block Diagram
E7B22BLS
IC101
(MAIN MICRO CONTROLLER)
IC1501
(SUB MICRO CONTROLLER)
REMOTE
SENSOR
RM1501
1G
7G
~
23 17
~
a
h
i
~
7
14
~
GRID
RESET
EV+3.3V
VFD
SEGMENT
FL1501
IC1503
IC1502
AV CBA
DVD MAIN CBA
(VFD DRIVER)
KEY SWITCH KEY SWITCH
CN1502
CN3001
KEY-1
1
1
KEY-2
2
2
SW CBA
16
28
1 2
48 50 49
27
1 2
52 53
38 39
33
34
22 19 18 20 29
N23
J25
T4
N24
L25
R24
8 9
12
14 30
7
1 2
11
27MHz X'TAL
X802
CLK 27 IN
CLK 27 OUT
SYS-RESET SYS-RESET
SUB-RXD
SUB-TXD
SUB-SCLK
RDY
CN701
SYS-RESET
SUB-RXD
SUB-TXD
SUB-SCLK RDY
CN1201
REG-CONT PWSW
AUDIO-MUTE
DVD-AUDIO-MUTE
DVD-AUDIO-MUTE
SCART-AUDIO-MUTE
SCART-AUDIO-MUTE
SUB-SDA
SUB-SCL
OSC2 OSC1
X OUT X IN
RESET
P-DOWN
BUP+3.3V
FL-DIN
FL-CLK FL-STB
REMOTE
KEY-1 KEY-2
REG-CONT PWSW
SDA
SCL
AUDIO-MUTE
37
TO POWER SUPPLY BLOCK DIAGRAM
TO AUDIO BLOCK DIAGRAM
8MHz RESONATOR
X1502
32.768KHz X'TAL
X1501
Q1504
Q1505
C1509
(BACKUP CAPACITOR)
DIN
CLK STB
2 FAN-GND 1 FAN+12V
CN1601
FAN
N1
SCL SDA
TU1701(TUNER UNIT)
9
10
EV+5V
Q1602
Q1506
Q1507
FAN-AL+12V
55
FAN-CONT2
N2
44SYS-RESET 11SUB-RXD 33SUB-TXD 55SUB-SCLK 22RDY
IC106
CN101 CN1151
26
P-ON+1.2V
30 301V2CONT
+1.2V REGULATOR
SDA
SCL
TO VIDEO BLOCK DIAGRAM
1V2CONT
VI+1.2V
DAVN-L
DAVN-L
24B
Comparison Chart of
Models and Marks
MODEL MARK
DR-C3835 A
DR-B3737 B