Diagrama De Circuito De Pantalla Y Control - LG MCD204 Manual De Servicio

4. DIAGRAMA DE CIRCUITO DE PANTALLA Y CONTROL

12
11
GR7
40
GR7
GR8
41
GR8
GR9
42
GR9
10
GR10
43
GR10
GR11
44
GR11
GR12
45
GR12
GR13
46
GR13
GR14
47
GR14
9
GR15
48
GR15
49
GR16
VKK
50
VEE
5V
51
VDD
GND
52
8 GND
7
6
PN306 PN306
5
1
FB301 FB301 FB FB
2
3
FB302 FB302 FB FB
4
FB303 FB303 FB FB
5
4
6
FB304 FB304 FB FB R303 R303
7
FB305 FB305 FB FB R304 R304
8
FB306 FB306 FB FB R305 R305
9
10
3
FB307 FB307 FB FB R306 R306
11
FB308 FB308 FB FB R307 R307
12
FB309 FB309 FB FB R308 R308
13
FB310 FB310 FB FB R309 R309
14
2 FB311 FB311 FB FB
15
16
17 KEY1
18 KEY2
1 18pin/1.0mm 18pin/1.0mm
A B C D
SG17
26
SG17
SG16
25
SG16/KS16
SG15
24
SG15/KS15
SG14
23
SG14/KS14
SG13
22
SG13/KS13
IC301 IC301
SG12
21
SG12/KS12
SG11
20
SG11/KS11
PT6324 PT6324 SG10
19
SG10/KS10
SG9
18
SG9/KS9
SG8
17
SG8/KS8
SG7
16
SG7/KS7
SG6
15
SG6/KS6
SG5
14
SG5/KS5
R316 R316
1.2K 1.2K
SW301 SW301
KEY1
1
DISC SKip DISC SKip
R334 R334
1.2K 1.2K
SW307 SW307
KEY2
1
OPEN/CLOSE OPEN/CLOSE
+4.3V/250mA
FF+
-4.3V/250mA
FF-
VKK
GND
120R 120R LED_VCC
0R 0R VOL-
0R 0R VOL+
GND
PN301 PN301
2.2R 2.2R IR_IN
100R 100R VFD_STB
100R 100R VFD_CLK
3P,2.0mm 3P,2.0mm
100R 100R VFD_DATA
5V
PN302 PN302
C309 C309
+ +
100uF/16V 100uF/16V 3P,2.0mm 3P,2.0mm
5V
E F G H
VFD301 VFD301
R317 R317 R321 R321 R324 R324 R325 R325
1K 1K
1.2K 1.2K 1.2K 1.2K 1.8K 1.8K
SW302 SW302 SW303 SW303 SW304 SW304 SW311 SW311
2 1 2 1 2 1 2 1 2
PRESET- PRESET- TUNING- TUNING- USB USB CD CD
R336 R336 R337 R337 R340 R340 R331 R331
1K 1K
1.2K 1.2K 1.2K 1.2K 1.8K 1.8K
SW308 SW308 SW309 SW309 SW310 SW310 SW306 SW306
2 1 2 1 2 1 2 1 2
PRESET+/PLAY PRESET+/PLAY TUNING+ TUNING+ STOP/CLEAR STOP/CLEAR AUX AUX
FB316 FB316
PN317 PN317
80R/100MHz 80R/100MHz
VOL301 VOL301
1
VOL-
2
3
VOL+
3
2
GND
4
1
4P,2.0mm 4P,2.0mm
R314 R314 R315 R315
10K 10K
10K 10K
USB Circuit
5V
PN303 PN303
LED_VCC GND
1 1
GND KEY22
2 2
KEY11
3
2P-2.0MM 2P-2.0MM
LED301 LED301
PN304 PN304 IR301 IR301
RED RED
GND GND
1 1 3
V
2 GND 2 KEY22 2
G
KEY11
3 1
O
2P-2.0MM 2P-2.0MM
I J K L M
3-29 3-30
VFD33-1506FN VFD33-1506FN
R318 R318
0R 0R
KEY11
R326 R326 R327 R327 R328 R328 R329 R329 R330 R330
2.2K 2.2K 3.3K 3.3K 3.3K 3.3K 5.6K 5.6K 8.2K 8.2K
SW305 SW305 SW313 SW313 SW314 SW314 SW315 SW315 SW316 SW316
1 2 1 2 1 2 1 2 1
TUNER TUNER STANDBY STANDBY CLOCK CLOCK TIMER TIMER TS/MONO TS/MONO
KEY22
R332 R332 R333 R333 R338 R338 R339 R339 R335 R335
2.2K 2.2K 3.3K 3.3K 3.3K 3.3K 5.6K 5.6K 8.2K 8.2K
SW312 SW312 SW318 SW318 SW319 SW319 SW320 SW320 SW321 SW321
1 2 1 2 1 2 1 2 1
EQ EQ
TAPE TAPE USB/REC. USB/REC. XDSSplus XDSSplus LG EQ LG EQ
FB317 FB317
80R/100MHz 80R/100MHz
L302 L302
ACM2520-601-2P ACM2520-601-2P
R341 R341 15R 15R
R342 R342 15R 15R
FB318 FB318 C311 C311 C312 C312
0.1uF 0.1uF 0.1uF 0.1uF
80R/100MHz 80R/100MHz
ED317 ED317 ED318 ED318
KDS226 KDS226 KDS226 KDS226
IR_IN
R313 R313
+ +
10R 10R
5V
N O P Q
R319 R319
0R 0R
SW317 SW317
2 1 2
RDS/CDII/SET RDS/CDII/SET
SW322 SW322
2 1 2
DEMO DEMO
USB302 USB302
5
GND
3
USB_+5V
1
USB_D-
2
USB_D+
4
USB_GND
6
GND
ST-001-09 ST-001-09
Display+Control
MCD104&MCD204
R S T