Emerson LC320EM9 B, Руководство по обслуживанию

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7-1
BLOCK DIAGRAMS
System Control Block Diagram
A8AF1BLS
LED1
KEY SWITCH
IC3101 (SUB MICR
O CONTR
OLLER)
IC3301 (MAIN MICR
O CONTR
OLLER)
3
RESET
XOUT
XIN
X3101
4MHz OSC
DIGIT
AL MAIN CB
A UNIT
PO
WER SUPPL
Y CB
A
IR SENSOR CB
A
FUNCTION CB
A
PO
WER SUPPL
Y CB
A
CL101A
REMO
TE
SENSOR
RCV101
AL+3.3V
D102 PO
WER
ST
ANDBY
D101
LED1
44
CL101B
REMO
TE
22
P-ON-H1
55
CN301
CN3601
REMO
TE
20
4
CN3704
CN303
CN1000
CL1000B
4
1
2
3
3
2
PR
O
TECT3
1
BA
CKLIGHT
-ADJ
3
BA
CKLIGHT
-SW
PR
O
TECT3
BA
CKLIGHT
-ADJ
BA
CKLIGHT
-SW
2
CN501
JUNCTION-B CB
A
REMO
TE
11 12
RXD
15
6 8
CLK
OUT
CLKIN
X3301
25MHz OSC
U25 U26
SCL SD
A
25 27
IC7001 (VIDEO/A
UDIO SELECT
OR)
SCL SD
A
14 15
TU1
(TUNER UNIT)
P-ON-H1
TO INVER
TER
BLOCK DIA
GRAM
(CL1000A)
BA
CKLIGHT
-ADJ
AC
24
BA
CKLIGHT
-SW
B3
TXD1
P22
T
O
DIGIT
AL
SIGNAL PR
OCESS
BLOCK DIA
GRAM
T
O
PO
WER
SUPPL
Y
BLOCK DIA
GRAM
PR
O
TECT1
22
P-ON-H1
14
P-ON-H2
13
P-ON-H2
P-ON-H1
22
2
TXD
16
RXD1
N22
AMP-MUTE-SUB
18
REMO
TE
R22
RESET
-MAIN
5
RESET
-MAIN
V24
RESET
T
O
A
UDIO-2
BLOCK DIA
GRAM
JUNCTION-A CB
A
LED1
34 REMO
TE
52
P-ON-H1
25
CN101
KEY
-IN1
66
KEY
-IN1
16
CL102A
KEY
-IN1
11
CL102B
CN102
LED1
11
13
CN302
P-ON-H2
12
3
CN3701
KEY
-IN1
23
1
KEY
-IN1
24
VCOM-PWM
21
VCOM-PWM
C12
AMP-MUTE-MAIN
AMP-MUTE
SCL SD
A
19 20
IC3102
(MEMOR
Y)
5 6
SD
A
SCL
WP
2
7
WP
PR
O
TECT2
23
PR
O
TECT3
4
PR
O
TECT1
23
1
CN302
CN3701
PR
O
TECT2
22
2
PR
O
TECT3
21
3
IC3706
(MEMOR
Y)
SPI-CLK SPI-DO SPI-DI SPI-CS0
SPI-CLK
SPI-DI
SPI-DO
SPI-CS0
Y25 Y24
W25 W24
6 5 2 1
SPI-CS1
SPI-CS1
W26
3
AE13 AF13
SCL SD
A
T
O
A
UDIO-1
BLOCK DIA
GRAM
SCL
15
9
SD
A
16
8
22
2
21
3
BA
CKLIGHT
-ADJ
BA
CKLIGHT
-SW
CN301
CN3601
PR
O
TECT1
PR
O
TECT2
T
O
PO
WER
SUPPL
Y
BLOCK DIA
GRAM
PO
WER SUPPL
Y CB
A
INPUT0
A11
INPUT0
INPUT1
E12
INPUT1