CCE MD 3900D Diagram
CN201
IN-L
GND
CN205
IN-R
GND
10
1
2
3
4
5
6
7
8
9
1
2
power
1
2
CN206
+5V
FAN
TEMP
RL_POWER
RL_AUDIO
GND
+12V
+5V
GND
+5V -> Protec Off
0V -> Protec On
(+12V)
(+5V)
GND GND
C201
100k
C202
100k
R201
R202
1u
1u
+
+
2k2
+
C226
GND
(+5V)
1k
R203
1k
R204
+
R279
47u
+B
100
R217
D217
R219
BIAS ADJUSTBIAS ADJUST
R221
R218
D218
R220
R222
56k
2W
2W
1K
Vcc
220k
C273
2SA1208
2SA1145-Y
10n
C209
2201K
R229
VR203
2SC2910
2SC2705-Y
10n
C210
220
R230
VR202
987654321
R276
+
+
56k
R207
R209
56k
R210
TA7317P
ON-OFF
56k
*
4k7
R208
4k7
DETECT
+
R271
47u
R245
Q203
2SA1016
2SA970-GR2SA970-GR
+
100u
R211
Q204
2SA1016
+
C206
R212
OVER
CURRENT
DETECTDETECT
DC
C272
opc.
PTC
PTC201
C205
120
R213
470
R215
2SC2705-Y
100u
120
R214
470
R216
GND
22k
56k
R272
-B
C207
47p
Q211
2SC2910
C208
47p
Q212
2SC2910
SUBSTRATE
DISCHARGE
RELAY
DRIVER
R273
33k
1N4148
12k
100
100
1N4148
12k
100
MUTING
R275
0,47u
R274
+5V
Q201
2SA1016
100k
R205
1n
C203
4k7
Q202
2SA1016
100k
R206
1n
C204
4k7
IC201
+
33k
R270
C235
100n
47u
C271
220
VR201
22u
C270
Q205
2k2
R227
1k
R281
Q213
2SA1208
Q206
2k2
R228
1k
R282
Q214
2SC2910
22k
+B
22u
C274
180
390
180
390
R277
R223
R225
Q219
*
BC547B
R224
R226
Q220
*
BC547B
BC556B
Q210
Q215
D
100
G
R231
IRFP240
opc.
C211
100K
R233
opc.
C213
Q217
100
G
R235
IRFP9240
Q216
100
G
R232
IRFP240
opc.
C212
100K
R234
opc.
C214
Q218
100
G
R236
IRFP9240
1k2
R278
*
R253
5W
5W
R239 R237
2k2
1k5
BC546B
Q223
R255
S
0,22
0,22
S
*
G
* = no dissipador
D
-B
+B
*
R254
R238R240
5W
5W
2k2
1k5
BC546B
R256
S
0,22
0,22
S
*
G
* = no dissipador
-B
1uH
10n
47k
C215
R261
R257D203
1N4148
10
C217
100n
R263
L201
2W
22K
SUB-WOOFER
1K2
22K
GND
SAIDA
SUB-WOOFER
(RCA)
CN210CN209
CN202
D204
Q222
1N4148
R248
R246
R247
power
47k 47k
R260
power power
RL202
CN211
CN212
opc.opc.
power
FALANTE
SAIDA
( L )
GND
GND
( R )
1uH
CN203
PAINEL TRAZEIRO
*
FAN
SENTIDO DO
FLUXO DO AR
10n
47k
C216
R262
10
C218
100n
R264
L202
2W
+5V
22k
BC546B
R241
Q221
+B
-B
4700u/100
C224
power
4700u/100
C225
+
power
R243
10K
D206
1N4004
+12V
10K
R242
+
+
GNDGND
(+12V)
D208
C229
D209
D210
C230
D211
D212
C231
D213
D214
C232
D215
C227
100u
Q209
BC337
Q207
BC546B
R244
10K
LT4A03
10n
LT4A03
LT4A03
10n
LT4A03
LT4A03
10n
LT4A03
LT4A03
10n
LT4A03
500V
500V
+12V
R249 R251
470 470
1W
R252R250
500V
500V
power
+12V
D205
1N4004
Q208
BC546B
470470
RL201
(+12V)
power
CN208
GND
CN207
+FAN
-FAN
CN204
P/PCI LATERAL
PARA PCI
TRAFO
CN505
1
AC
2
GND
3
AC
FAN
JACK PHONE
37,5V
4,0A
37,5V
4,0A
(+5V) (+5V)
GNDGND
GND
(+12V)
* = MONTADO NO DISSIPADOR
29/05/00ANDRER255.256 ERA 2K2AMV-178/00A
P.A.ALT.
TITULO:
DISCRIMINACAO
PROJECAO
ESQUEMA ELETRICO
PCI POTENCIA
DATAVISTO
mmemdimensoes
DES.
PROJ.
APRO.
NOME
ROBERTO
ANDRE
19/04/00
19/04/00
MAT.DATA
ACAB.
ESC.
MOD.
MD3900D
N.TOL.TOL.
1.00.52162.14
COD.
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