7-1
BLOCK DIAGRAMS
System Control Block Diagram
A81H1BLS
FUNCTION CB
A
IC3101
(SUB MICR
O CONTR
O
LLER)
IC3301
IC3202
(MAIN MICR
O CONTR
O
LLER)
(MEMOR
Y)
CL106B
KEY
-IN-1
2
2
KEY SWITCH
+3.3V
REMO
TE
SENSOR
RS101
CL106A
CL101A
KEY
-IN-1
9
9
LED1
7
7
LED2
6
6
REMO
TE
2
2
CL101B
CN100
KEY
-IN-1
3
3
LED1
5
5
LED2
6
6
REMO
T
E
1
0
10
CN204
CN202
LED1
6
6
LED2
5
5
REMO
T
E
1
6
16
AMP-STBY
15
15
AMP-MUTE
AMP-STBY
AMP-MUTE
14
14
CN3702
CN753
2
2
1
1
3
3
CN206
CN200
P-ON-H2
14
14
BA
CKLIGHT
-ADJ
BA
CKLIGHT
-ADJ
15
15
BA
CKLIGHT
-SW
BA
CKLIGHT
-SW
SCL
SD
A
SCL
SD
A
SCL
SD
A
SCL
SD
A
SCL
SD
A
I2C-SCL-A
I2C-SD
A-A
I2C-SCL-B
I2C-SD
A-B
WP
WP
P-ON-H2
BA
CKLIGHT
-ADJ
BA
CKLIGHT
-SW
P-ON-H2
BA
CKLIGHT
-ADJ
BA
CKLIGHT
-SW
13
13
CN3701
CN200
KEY
-IN-1
LED1
LED2
REMO
T
E
P-ON-H2
BA
CKLIGHT
-SW
KEY
-IN-1
6
6
CN3701
IR SENSOR CB
A
JUNCTION
CB
A
INVER
TER PO
WER CB
A
PO
WER SUPPL
Y CB
A
DIGIT
AL MAIN CB
A UNIT
D102
ST
ANDBY
D101
PO
WER
P-ON-H1
PR
O
T
ECT6
P-ON-H1
PR
O
TECT6
Q3401
LEV
. SHIFTER
LEV
. SHIFTER
Q3402
IC3302
+3.3V
+3.3V
RESET
3
32
31
17
25
46
26
12
J1
22
23
15
14
J2
AK24
AK23
D17
B14
A14
V27
V28
V29
W29
W30
B15
A15
6
5
7
IC3501
(VIDEO ADC)
T
O
A
UDIO-1
BLOCK DIA
GRAM
T
O
A
UDIO-2
BLOCK DIA
GRAM
A
UDIO-SW1
X3301
54.1MHz
OSC
A
UDIO-SW2
A
UDIO-SW3
A
UDIO-SW4
A
UDIO-SW5
A
UDIO-SW1
A
UDIO-SW2
A
UDIO-SW3
A
UDIO-SW4
A
UDIO-SW5
X-IN
X-OUT
X-IN
X-OUT
MAIN-TXD
MAIN-RXD
SUB-RXD
SUB-TXD
T
O
PO
WER SUPPL
Y
-1
BLOCK DIA
GRAM
T
O
A
UDIO-2
BLOCK
DIA
GRAM
T
O
PO
WER SUPPL
Y
-2
BLOCK DIA
GRAM
37
38
IC3809
(T
ONE CONTR
O
L)
25
26
IC3001
(MTS/SAP A
UDIO SIGNAL PR
OCESS)
27
24
IC4002
(HDMI SW)
15
14
AE26
AD26
AMP-MUTE
AG
25
AH25
A
UDIO-MUTE
A
UDIO-MUTE
AMP-STBY
27
41
RESET
RESET
RESET
AJ27
35
RESET
RESET
RESET
AH26
13
C6
X3101
4MHz
OSC
4
5
IC3102
RESET
5
4
19
RESET
Содержание LC420SS8
Страница 1: ...SERVICE MANUAL 42 COLOR LCD TELEVISION LC420SS8 ...
Страница 16: ...4 4 A81H1DC 9 Power Supply CBA 10 PCB Holder S 12 S 14 S 13 8 Jack CBA S 13 S 13 S 14 S 14 S 14 Fig D3 ...
Страница 37: ...8 8 A81H1SCF Function Schematic Diagram ...
Страница 38: ...8 9 A81H1SCIR IR Sensor Junction Schematic Diagram ...
Страница 42: ...8 13 Digital Main 4 9 Schematic Diagram A81H1SCD4 ...
Страница 43: ...8 14 Digital Main 5 9 Schematic Diagram A81H1SCD5 ...
Страница 50: ...8 21 BA81H0F01022 1 Jack CBA Top View ...
Страница 54: ...8 25 Function CBA Top View Function CBA Bottom View BA81H0F01012 4 Junction CBA Top Bottom View BA81H0F01012 2 ...