FUNAI F20LCTE, Руководство по обслуживанию

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6-1
BLOCK DIAGRAMS
System Control Block Diagram
L0305BLS
FUNCTION CB
A
KEY
-IN-1
11
CLN51A
KEY SWITCH KEY SWITCH
CN81
D81
ST
ANDBY
CLN81
KEY
-IN-2
22
ST
ANDBY LED
11
IR SENSOR CB
A
CLN53
RCV51
D51
ST
ANDBY
Q51
RCV
-IN
33
P-ON-L
22
REMO
TE
SENSOR
IC333 (TV MICR
O CONTR
OLLER)
3
21 22
6
18 17
KEY
-IN-1
18
6
CN102B
CN102A
RCV
-IN
23
1
BA
CKLIGHT
-SW
19
5
BA
CKLIGHT
-ADJ
21
3
P-ON-H
16
8
PR
O
TECT
-1
91
5
PR
O
TECT
-2
81
6
V
OLUME
15
9
A-MUTE
13
11
INPUT
-0
12
12
INPUT
-1
11
13
S-SW
71
7
SCL
61
8
SD
A
51
9
11
KEY
-IN-1
RCV
-IN
RESET
BA
CKLIGHT
-SW
BA
CKLIGHT
-ADJ
P-ON-H
PR
O
TECT
-1
PR
O
TECT
-2
V
OLUME
A-MUTE
SD
A
SCL
INPUT
-0
INPUT
-1
S-SW
SCL SD
A
7
20 35 31 40 19 32 41 42 43
X161 27MHz
XIN
XOUT
T
O
PO
WER SUPPL
Y
BLOCK DIA
GRAM
T
O
IF/VIDEO
BLOCK DIA
GRAM
T
O
A
UDIO
BLOCK DIA
GRAM
BA
CKLIGHT
-SW
BA
CKLIGHT
-ADJ
P-ON-H
PR
O
TECT
-1
PR
O
TECT
-2
V
OLUME
A-MUTE INPUT
-0
INPUT
-1
S-SW
SCL SD
A
MAIN CB
A
LCD MAIN CB
A UNIT
4
KEY
-IN-2
17
7
KEY
-IN-2
LED-B CB
A
D52
PO
WER
CN80
D80
ST
ANDBY
CLN80
ST
ANDBY LED
11
LED-A CB
A
CN51
CN53
Q80
LED+5V
RESET
IC151
4
5
+3.3V
CN102B
CN102A
SD
A
2
SCL
1
B
US-OPEN
4 CN105
(NO CONNECTION)
IC171 (MEMOR
Y)
SCL
6
SD
A
5 7
CS
23
B
US-OPEN
Q102
3.3V<-->5V CONVER
TER
Q108
3.3V<-->5V CONVER
TER
Q109
3.3V<-->5V CONVER
TER
+5V
LED+5V
CN105 IS USED FOR ADJUSTMENT AT FACTORY