FUNAI F20LCTE, Service Manual

Page: 42 / 57

WIRING DIAGRAM
L0305WI 9-1
2
LCD MODULE
LCD MAIN CB
A
(BL0300G04011)
P
A
NEL+3.3V
AL+5V P
A
NEL+25V
P
A
NEL+13.9V
P
A
NEL-6V
GND GND GND GND CN101B
1 5 3 9 7 2 4 6 8
1 5 3 9 7
CN101A
4 6 8
P
ANEL+25V
P
ANEL+13.9V P
A
NEL+3.3V
1 3 2 5 4 7 6 8 9
10 13 12 11 14 15 17 16 19 18 21 20 22 23
BA
CKLIGHT
-ADJ
RCV
-IN
GND GND BA
CKLIGHT
-SW
KEY
-IN-1
KEY
-IN-2
P-ON-H A-MUTE V
O
LUME
GND INPUT
-0
PR
O
T
ECT
-1
INPUT
-1
AFT
-IN
PR
O
T
ECT
-2
SD
A
S-SW SCL GND D
VD-M-PO
W
D
VD-MUTE
PR
O
T
ECT
-3
CN102A
BA
CK
LIGHT
CN460
2 1
BA
CKLIGHT
-ADJ
CN102B
RCV
-IN
GND GND
BA
CKLIGHT
-SW
KEY
-IN-1
KEY
-IN-2
P-ON-H
A-MUTE
V
O
LUME
GND
INPUT
-0
PR
O
TECT
-1
INPUT
-1
AFT
-IN
PR
O
TECT
-2
SD
A
S-SW
SCL
GND
D
VD-M-PO
W
D
VD-MUTE
PR
O
TECT
-3
1 5 3 9 7 2 4 6 8
10 14 12 18 16 11 13 15 17 19 23 21 20 22
TU1 TUNER UNIT
CN310A
1
GND
2
HMS2-E
3
GND
4
GND
5
CLKH
6
GND
7
GND
8
HMS1-0
9
GND
10
GND
11
OB (7)
12
OB (6)
13
OB (5)
14
OB (4)
15
OB (3)
16
OB (2)
17
OB (1)
18
OB (0)
19
GND
20
GND
21
OG (7)
22
OG (6)
23
OG (5)
24
OG (4)
25
OG (3)
26
OG (2)
27
OG (1)
28
OG (0)
29
GND
30
GND
31
GND
32
OR (7)
33
OR (6)
34
OR (5)
35
OR (4)
36
OR (3)
37
OR (2)
38
OR (1)
39
OR (0)
40
GND
41
GND
42
GND
43
VDDD(+3.3V)
44
VDDD(+3.3V)
45
VDDD(+3.3V)
46
VDDD(+3.3V)
47
NU
48
STH1
49
POL
50
LP
1 5 3
CN105
2 4
SCL
NU
GND
SD
A
B
US-OPEN
1 3 2 5 4 7 6 8 9
10 13 12 11 14 15 17 16 19 18 20
CN312A
VCOM VCOM VCOM
NU NU
VDDG(+24V) VDDG(+24V)
VDDD(+3.3V) VDDD(+3.3V)
VEEG(-6V) VEEG(-6V)
STU1
GND GND GND
CLKV
GND GND
XDON
GND
VIDEO -Y IN
AUDIO1 IN(R) AUDIO2 IN (L)
S-VIDEO OUT IN VIDEO -Pb IN VIDEO -Pr IN VIDEO1 IN
AUDIO1 IN(L) AUDIO2 IN (R)
(NO CONNECTION)
IR SENSOR CB
A
MAIN CB
A
(BL0300F01011-5)
(BL0300F01011-3)
1 3
CN51
2 4
KEY
-IN-2
P-ON+3.3V(D)
KEY
-IN-1 GND
1 3 2 4
CLN51A
KEY
-IN-2
P-ON+3.3V(D) KEY
-IN-1
GND
FUNCTION CB
A
(BL0300F01011-2)
5
GND
1 3
CN53
4 2
RCV
-IN
LED+5V
P-ON-L
GND
5
GND
1 3 4 2
CLN53
RCV
-IN
LED+5V P-ON-L GND
INVER
T
ER CB
A
(BL0300F01021
)
1 5 3
CN481
2 4 6
+21V
GND
+21V +21V
GND GND
9 7 8
10
BA
CKLIGHT
-ADJ
GND
PR
O
T
ECT
-1
BA
CKLIGHT
-SW
1 5 3 2 4 6
CLN481 +21V GND +21V +21V GND GND
9 7 8
10
BA
CKLIGHT
-ADJ
GND PR
O
TECT
-1
BA
CKLIGHT
-SW
BA
CK
LIGHT
CN470
2 1
BA
CK
LIGHT
CN480
2 1
BA
CK
LIGHT
CN430
2 1
BA
CK
LIGHT
CN440
2 1
CN105 IS USED FOR ADJUSTMENT AT FACTORY
CN311A
1 3 2 5 4 7 6 8 9
10 13 12 11 14 15 17 16 19 18 21 20 22 23 24 27 26 25 28 29 30
VREF(3) VREF(4) VREF(5) VREF(7) VREF(8) VREF(10) VREF(11) VREF(12) VREF(13) VREF(14) VREF(15) VREF(2) VREF(1) VREF(0) VDD
A(+9.2V)
VDD
A(+9.2V)
VDD
A(+9.2V)
VCOM VCOM VCOM GND GND EB (7) EB (6) EB (5) EB (4) EB (3) EB (2) EB (1) EB (0)
33 32 31 34 35 37 36 39 38 41 40 42 43 44 47 46 45 48 49 50
GND EG (7) EG (6) EG (5) EG (4) EG (3) EG (2) EG (1) EG (0) GND GND ER (7) ER (6) ER (5) ER (4) ER (3) ER (2) ER (1) ER (0) GND
BA
CK
LIGHT
CN450
2 1
LED-B CB
A
(BL0300F01011-1)
1 3 2 4
CN52
GND
SCL
B
US-OPEN
SD
A
CLN81
1 2
ST
ANDBY LED
GND
1 2
CN81 ST
ANDBY LED
GND
CLN801
SP803 SPEAKER
CLN803
1
CN801
2
SP-R GND
SP801 SPEAKER
CLN802
SP804 SPEAKER
CLN804
1
CN802
2
SP-R GND
SP802 SPEAKER
AL+5V
P
ANEL-6V
GND GND GND GND
1 5 3 9 7
CN103A
2 4 6 8
10 14 12 18 16 11 13 15 17
GND GND
COMP-LINE2
B
US-OPEN
P-ON-L (NU)
COMP-LINE1
19 23 21 20 22
AL+3.3V(A) AL+3.3V(D) AL+1.8V(D)
GND GND GND GND
S-VIDEO-Y
S-VIDEO-C
VIDEO-Y
GND GND GND
VIDEO-Pr
VIDEO-Pb
GND
CVBS
1 5 3 9 7 2 4 6 8
CN103B
10 14 12 18 16 11 13 15 17 19 23 21 20 22
GND GND COMP-LINE2 B
US-OPEN
P-ON-L (NU) COMP-LINE1 AL+3.3V(A) AL+3.3V(D) AL+1.8V(D) GND GND GND GND S-VIDEO-Y S-VIDEO-C VIDEO-Y GND GND GND VIDEO-Pr VIDEO-Pb GND CVBS
(NO CONNECTION)
(BL0300F01011-4)
LED-A CB
A
1 3
CLN80
2
ST
ANDBY LED
NU
GND
1 2
CN80 ST
ANDBY LED
GND
3
NU
A
C
601
AC CORD
CN52 IS USED FOR ADJUSTMENT AT FACTORY
CLN310
CLN311
CLN312