FUNAI T3A-A8182DB, Service Manual

Page: 25 / 91

1-12-2
Sub System Control Block Diagram
E3B40BLSS
CN1601
PO
WER SW CB
A
D1602
SW1601
PO
WER
PO
WER
IC101 (MAIN MICR
O CONTR
OLLER)
IC1501 (SUB MICR
O CONTR
OLLER)
RESET
TIMER+5V
IC1502
A
V
CB
A
D
V
D/HDD MAIN CB
A
KEY SWITCH
KEY SWITCH
KEY SWITCH
CN1504
CN3001
CN3002
CN3003
KEY
-1
3
3
KEY
-2
1
1
4
4
RESET
11
11
CN1505
PO
WER-LED
1
1
PO
WER-SW
2
2
FR
ONT J
A
CK CB
A
SW CB
A
CN3001
D3001
CN1504
8 7 4 6 5
FR
ONT J
A
CK CB
A
1 2
100
3
82 83 22 80
21 20 26 25
23 36 35
N23
J25
N24
13 15 11
12 74 62
1
2
10
27MHz X'T
AL
X552
CLK 27 IN
CLK 27 OUT SYS-RESET
SUB-RXD
SUB-TXD
CN701
SYS-RESET
SUB-RXD
SUB-TXD
CN1502
REG-CONT
A
U
DIO-MUTE
D
V
D/HDD-A
UDIO-MUTE
D
V
D/HDD-A
UDIO-MUTE
SCAR
T
-A
UDIO-MUTE
SC-A
UDIO-MUTE
I2C-SD
A
I2C-SCL
X OUT X IN X OUT X IN
RESET
P-DO
WN
B
UP+5V FL-DIN
FL-CLK FL-STB
REMO
TE
FL-DIN
FL-CLK FL-STB
REMO
TE
KEY
-1
KEY
-2
REG-CONT LO
W
-PO
W
SD
A
SCL
A
U
DIO-MUTE
29
VCR-TXD
S-D
A
T
A-IN
S-D
A
T
A-OUT
S-CLOCK
S-CS
5
VCR-RXD
6
VCR-CLK
7
VCR-CS
57
77
PWR -SW
T
O
SUB
PO
WER SUPPL
Y
BLOCK DIA
GRAM
T
O
A
U
DIO SELECT
OR
BLOCK DIA
GRAM
10MHz RESONA
T
O
R
X1502
32KHz X'T
AL
X1501
Q1527
Q1528
C1511
(BA
CKUP CAP
A
CIT
OR)
59
DUBBING-LED
N1
87 78
F
AN-LOCK
F
AN-CONT1
LO
W
-PO
W
PW
-SW
F
A
N-LOCK
F
AN-CONT1
SCL SDA
TU1501(TUNER UNIT)
9
10
60
D
V
D-REC-LED
61
HDD-REC-LED
58
VCR-LED
68
D
V
D-LED
69
HDD-LED
Q1529
Q1530
N2
4
SYS-RESET
1
SUB-RXD
3
SUB-TXD
4 1 3
70
PO
WER-LED
SD
A
SCL
T
O
VIDEO
SELECT
OR
BLOCK DIA
GRAM
T
O
SER
V
O
/
SYSTEM CONTR
OL
BLOCK DIA
GRAM
T
O
SER
V
O
/
SYSTEM CONTR
OL
BLOCK DIA
GRAM
SW3001
RESET
HDD DV
D
VCR HDD-REC D
V
D-REC
D
V
D-REC-LED
HDD-REC-LED
VCR-LED D
V
D-LED
HDD-LED
D3002 D3005 D3003 D3004
DUBBING-LED
KEY
-1
1
1
KEY
-2
10
10
2
2
DUBBING-LED
D3006
SW3009
DUBBING
OPEN/CLOSE
8 7 4 6 5
IC107
RESET
AL+2.8V
1
2