Diagrama De Circuito De Cinta - LG MCD204 Manual De Servicio

8. DIAGRAMA DE CIRCUITO DE CINTA

IC201 IC201
12
BA3308 BA3308
R242 R242
11
0R 0R
C243 C243
C238 C238
FB203 FB203
80R/100MHz 80R/100MHz 4.7uF/50V/NC 4.7uF/50V/NC
10uF/50V 10uF/50V
10
+ +
R221 R221 100K 100K
C218 C218
R203 R203
5.6K 5.6K
9 0.047uF(M) 0.047uF(M)
R241 R241
+ +
C239 C239
+ +
8
4.7uF/50V 4.7uF/50V
7
EMC
6
5
PN201 PN201
1
L_CH
2
4 GND
3
COM
R_CH 4
4P/2.0mm 4P/2.0mm
3
R251 R251
2
0R 0R
R252 R252
0R 0R
R257 R257
0R 0R
1
A B C D
C241 C241
FB202 FB202
80R/100MHz 80R/100MHz
10uF/50V 10uF/50V
R201 R201 100K 100K
C222 C222
R225 R225
5.6K 5.6K
0.047uF(M) 0.047uF(M)
R204 R204
+ +
1K 1K 1K 1K
C236 C236
+ +
4.7uF/50V 4.7uF/50V
EMC
T201 T201
5
C202 C202
222pF(M) 222pF(M)
R238 R238
2.2K 2.2K
4
R239 R239
Q200 Q200
1
IFT-10-5 IFT-10-5
C3875S C3875S
22K 22K
C200 C200
0.01uF 0.01uF
R255 R255
0R 0R
R254 R254
0R 0R
R256 R256
0R 0R
E F G H
1 18
VCC_SW
2 17
3 16
4 15
5 14
FB200 FB200
80R/100MHz 80R/100MHz
6 13
7 12
8 11
R218 R218
9 10
12K 12K
SW201 SW201
Paly/Rec_SW Paly/Rec_SW
C220 C220
+ +
4700P 4700P
FB201 FB201
80R/100MHz 80R/100MHz
R231 R231
12K 12K
C209 C209
4700P 4700P
R237 R237
470R 470R
REC-R
C224 C224 153pF(M) 153pF(M)
1
R243 R243
1
2
2.2K/NC 2.2K/NC
R240 R240 15K 15K
Q201 Q201
1
KTC3205 KTC3205
3
C204 C204
+ +
473pF(M) 473pF(M)
R244 R244
1
2.2K/NC 2.2K/NC
REC-L
D201 D201
P-SW
1N4148/NC 1N4148/NC R246 R246
+9V
10K/NC 10K/NC
R245 R245
P-SW
1
2.2K/NC 2.2K/NC
I J K L M
3-37 3-38
IC202 IC202
BA3308 BA3308
R209 R209
1M 1M R217 R217
R202 R202
C230 C230
39K 39K
39K 39K
+ + 4.7uF/50V 4.7uF/50V + +
C240 C240
R216 R216
REC-R
75K 75K
C234 C234 2.2uF/50V 2.2uF/50V
R228 R228
REC-L
75K 75K
2.2uF/50V 2.2uF/50V
+ + + + + +
+ +
R208 R208
2.2K 2.2K
R224 R224
ZD202 ZD202
10K 10K
3.3V/0.5w 3.3V/0.5w
R215 R215 4.7K 4.7K
ZD201 ZD201 R206 R206
PB-R
10K 10K R220 R220
3.3V/0.5w/NC 3.3V/0.5w/NC
27R 27R
R248 R248
Q202 Q202 Q205 Q205
1
3904/NC 3904/NC 3904/NC 3904/NC
2.2K/NC 2.2K/NC
R250 R250
10K/NC 10K/NC
R247 R247
Q204 Q204
Q203 Q203
1
3904/NC 3904/NC 3904/NC 3904/NC
2.2K/NC 2.2K/NC
PB-L
Q206 Q206
+ +
3904/NC 3904/NC
N O P Q
R207 R207
27K 27K
C221
C221
220pF
220pF
PN203 PN203
C207 C207 220pF 220pF
1
Rec_R
R230 R230
2
Rec_L
27K 27K
PB-R
3
PB_R
PB-L
4
PB_L
5
AGND
R-SW 6
Rec_SW
7 PB_SW
P-SW
8
Rec_BEATCUT
GND
9 GND
+9V
10 +9V
MOTOR-
11
MOTOR-
11P-2.0MM 11P-2.0MM
PN202 PN202
+9V
1
+9V
VCC_SW
2
VCC_SW
MOTOR+ 3
MOTOR+
R232 R232
MOTOR-
4 MOTOR-
27R 27R
4P/2.5mm 4P/2.5mm
TAPE
MCD104&MCD204
R S T