FUNAI HD-A2685, Руководство по обслуживанию

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1-10-1
BLOCK DIAGRAMS
System Control Block Diagram
IC101 (MAIN MICR
O CONTR
OLLER)
IC1501 (SUB MICR
O CONTR
OLLER)
REMO
TE
SENSOR
RM1501
1G 7G
~
23 17
~
a h
i
~
7
14
~
GRID
RESET
VFD
SEGMENT
FL1501
IC1503
IC1502
(VFD DRIVER)
KEY SWITCH KEY SWITCH
CN1641
CN1650
Q1653 D1653
DV
D
16
28
1 2
1 2
100
82 83 70 69 68 22 77
21 20 26 25
23 36 35
N23
J25
T4
N24
13 15 11
12 74
1
2
10
27MHz X'T
AL
X802
CLK 27 IN
CLK 27 OUT SYS-RESET SYS-RESET
SUB-RXD
SUB-TXD
CN701
SYS-RESET
SUB-RXD
SUB-TXD
CN1201
REG-CONT PWR-SW
A
UDIO-MUTE
D
VD/HDD-A
UDIO-MUTE
D
VD/HDD-A
UDIO-MUTE
SCAR
T
-A
UDIO-MUTE
SCAR
T
-A
U
DIO-MUTE
I2C-SD
A
I2C-SCL
XOUT XIN XCOUT XCIN
RESET
P-DO
WN
FL-DIN
FL-CLK FL-STB
REMO
TE
REMO
TE2
KEY
-1
KEY
-2
PO
WER-LED(NU)
HDD-LED D
VD-LED
REG-CONT PWR-SW
SD
A
SCL
A
UDIO-MUTE
29
T
O
PO
WER SUPPL
Y
BLOCK DIA
GRAM
T
O
A
UDIO
BLOCK DIA
GRAM
10MHz X'T
AL
X1502
32.768KHz X'T
AL
X1501
Q1111
Q1112
DIN CLK STB
2
FAN-LOCK
1
FAN
CN1601
FAN
N1
LO
W
-PO
W
80
LO
W
-PO
W
SCL SDA
TU1701(TUNER UNIT)
9
10
SYS+5V
RESET
SW1501
79
3
75
F
AN-CONT1
Q1604
Q1603
EV+12V
Q1601
Q1506
Q1507
78
F
AN-CONT2
87
F
AN-LOCK
N2
44
SYS-RESET
11
SUB-RXD
33
SUB-TXD
IC106
CN101
CN1151
24
1V2-CONT
VI+1.2V
P-ON+1.2V
30
30
1V2-CONT
+1.2V REGULA
T
O
R
Q1602
SD
A
SCL
T
O
VIDEO
BLOCK DIA
GRAM
KEY
-2
5
5
PO
WER-LED(NU)
2
2
HDD-LED
6
6
D
VD-LED
7
7
KEY
-1
3
3
Q1652 D1652 HDD
SYS+5V
SW1643
OPEN /CLOSE
A
V
CB
A
D
VD/HDD MAIN CB
A
CONTR
OL CB
A
E2B25BLS