Polaroid LC20H15, Руководство по обслуживанию

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B
C
D
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Title
Number Revision Size
B
Date: 5-Nov-2003 Sheet of
File: F:\temp2\A-USER\RGBSWITCH.SCH Drawn By:
R1 IN
1
HD DET
2
G1 IN
3
GND
4
B1 IN
5
GND
6
R2 IN
7
GND
8
G2 IN
9
GND
10
B2 IN
11
VD1 IN
12
VD2 IN
13
VD OUT
14
B OUT
15
CTL
16
COM OUT
17
COM IN
18
G OUT
19
VCC
20
R OUT
21
HD OUT
22
HD2 IN
23
HD1 IN
24
U7
BA7657F
R1 IN
1
HD DET
2
G1 IN
3
GND
4
B1 IN
5
GND
6
R2 IN
7
GND
8
G2 IN
9
GND
10
B2 IN
11
VD1 IN
12
VD2 IN
13
VD OUT
14
B OUT
15
CTL
16
COM OUT
17
COM IN
18
G OUT
19
VCC
20
R OUT
21
HD OUT
22
HD2 IN
23
HD1 IN
24
U9
BA7657F
PI5V330B
PI5V330A
TVRAIN
TVGAIN
TVBAIN
V5-1
C211
0.1u
C212
10V47u
HSYNC
VSYNC
X202
YPbPr
L206
3.3uH
L207
3.3uH
L208
3.3uH
R214
75 R215
75
R216
75
Y
Pb
Pr
BAIN
GAIN
RAIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
X201
VGA
L203
121H
L204
121H
L205
121H
R217
100
R218
100
R219
100
R211
75 R212
75
R213
75
AVDD AVDD
AVDD
V5
AVDD AVDD
VD201
BAV99
VD202
BAV99
VD204
BAV99
VD203
BAV99
R201
10K
R202
10K
R203
2K
R204
2K
R209
100
R210
100
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
U11
24LC21
R220
10K
C210
0.1u
1
2
3
4
5
6
GND
7 8
9
10
11
12
13
AVDD
14
U6
74HC14A
L202
751H
L201
751H
R231
22 R230
22
R232
2.2K
R233
2.2K
C221
22p
C220
22p
C222
0.1u
C223
10V 10u
R
G
B
H
V
X203
TVRAIN
TVGAIN
TVBAIN
TVHSYNC
1 9
1OE
1
1A
2
1Y
3
2OE
4
2A
5
2Y
6
GND
7
3Y
8
3A
9
3OE
10
4Y
11
4A
12
4OE
13
VCC
14
U10
74LV126
R221
3.3K
R222
3.3K
VDDQ3
RXD
TXD
GND
FLASHID
R223
3.3K
R224
10K
V201
BC847
R225
8.2K
GND
VDDQ3
C230
0.1u
C231
10V22u
GND
VDDQ3
X204
PHONE
X205
X206
1 7 L L R R
R226
10k R227
10K
R229
10k
R228
10K
C203
1u
C208
1u
C204
1u
C205
1u
C207
1u
C206
1u
V5-1
R236
100
R235
100
R237
100
A1
1
B1
2
CLR1
3
Q1
4
Q2
5
C2
6
R2
7
GND
8
A2
9
B2
10
CLR2
11
Q2
12
Q1
13
C1
14
R1
15
VCC
16
U20
74LS221
R239
1K
C227
2n2
C229
18n
R240
3K9
V5-1
C224
0.1u
C225
10V47u
C228
39n
GND
V5-1
V202
BC847
V203
BC847
V5-1
V5-1
V5-1
R241
1k
R242
10k
R243
1k
R245
12k
R244
22k
V5-1
C226
2n2
V5-1
C209
1u
R238
68k
C213
68p
C215
68p
C214
68p
C216
1u
C217
1u
C218
1u
R246
1k
TVVSYNC
TVHSYNC
TVVSYNC
V5-1
C201
0.1u
C202
10V47u
R248
100
R247
100
R249
100
V5-1
R250
1K
C232
10V47u
VDDQ3
C234
10V22u
C236
10V22u
C235
10V22u
C237
10V22u
C239
10V22u
C238
10V22u
C241
10V22u
C240
10V22u
L209
3.3uH
L210
3.3uH
L211
3.3uH
L212
3.3uH
4 8