Text preview for : C4800_Schematic.pdf part of AMERICAN PRO CONCERT 4800 C4800 Diagrama esquematico de la potencia American PRO Concert4800 concert 4800 c4800, donde se pueden apreciar esquemas de la entrada, modulos/etapas de potencia y salidas, también de la fuente lineal de alimentación. SCHEMATIC DIAGRAM SERVICE MANUAL MANUAL DE SERVICIO AMERICAN PRO CONCERT 4800 CONCERT4800



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1 2 3 4 5 6 7 8

H4-3-4
+141.4V

R504 R502
Q2 220 C502 39K
A1941 220 C501
417
R503 ZD501
2K/2W 5.1V
C503
R501 VR3
R507 R506 R505 220 12K/0.5W
D D501 D
0.47/2W 0.47/2W 5.1/2W

CH1 Power Amplifier Q1
2N5551
4148



Q4 Q3
CH1 C36 10U/200V C41 10U/200V 2SC5200 2SC5200 D503
-3 +140V H4-2
+70.7V
LED1 C34
+2 GND R35 R39 R26 R47 MUR1560
C23 104/250V D207
1 2.7K 2.7K 680 270 D5 C212
104D C32 1N4007 FR307
104/250V
C25 ZD3 104D
CH1 INPUT 471
T5
R29
2N5401 6.2V1/2W
+2 100K/1W
CH1 D1
GND R36
T7
-3 470
C208 T210 T212 T214 T216 T218 T220
R42 A1837 HER204 T208 2SC5200 2SC5200 2SC5200 2SC5200 2SC5200
100R GND 100P 2SC5200 2SC5200
R203
1 220
T3 T9
C2240 A1837
D201
4148
C31 C202
T201 R219 R223 R227 R231 R235 R235
20P 222 R215
CH1 IN+ TIP122
T206




105K/63V
C204 2SC5200 3.3/2W 3.3/2W 3.3/2W 3.3/2W 3.3/2W 3.3/2W 3.3/2W
C20 VR1 D205 LOUT1 OUT
TO MODE INPUT SWITCH 4
500 104K/250V
221 T4 5404
CH1 IN- R37 C2240
+18V R25 D203
C101 180 R51 4148 R206
C 22P R102 27K R48 R244 C




C201
R24 R38 2.2K 1K 10/2W
10K R27 100K/1W R209 R245
R225 R229 R233 R237 R237




56K/2W
R213 R217 R221




R201
1K 180 10K 33K R301 22 10/0.5W
C102 20/2W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W
3 T204
R103 22P C19 C115 C116 R125
R101 R106 104D 100U/25V 27K 2N5551
8




10K R105 10U/50V
10K
10K C104 10K R107 W101 D301
22U/50V T205 C303
3 10K A10K 4007 R304
R226 R230 R234 R238 R238 104K/250V
1 5 R31 R32 R40 C27 2N5401 R214 R218 R222 47K
IC1A R210 20/2W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W
2 7 100 100 10K 20P
IC1BB R52 33K R208
6 R134
R104 10K NE5532 T1 T2 470 1K D206
NE5532 1K R305
A970 A970 R49 5404
R108 56K/1W
T10
4




C105 100K/1W C206
27K
105K/63V C4793 T207
C106 D204 104K/250V 2SA1943 R216 R220 R224 R228 R232 R236 R236
C103 R302
68P VR2 4148 3.3/2W 3.3/2W 3.3/2W 3.3/2W 3.3/2W 3.3/2W 3.3/2W
C30 22K




C301 10U/250V
22P 302
R109 R204 D202 CILP
-15V
-18V 39K
20P
220
4148
R210
SENSITIVITY
6.2K
0.77V T209 R303
1.0V R43 T211 T213 T215 T217 T219 T221
K1 100R
T8 C203 2SA1943
2SA1943 2SA1943 2SA1943 2SA1943 2SA1943 2SA1943
2.2K T301
1.44V 2 C209
C4793 222 2N5551
100P
T6
R33 2N5551 D2
470R HER204
D208 D504
LCR R30
ZD4
6.2V1/2W
C37
FR307 H4-9
C26 100K/1W 10U/200V -70.7V
C24 104 C33 Q8 Q7
B 471 104D 1943 1943 MUR1560 B
R28 C35
R34 R50
2.7K R41 104/250V
2.7K 270
680 GND
LED2
-140V R512 Q5
R513 5.1/2W D502
R514 2N5401
+22V 0.47/2W 0.47/2W 4148 ZD502
J2 5.1V
C506
! 220
C304
R508
R510 12K/0.5W
SLA-S-124DM




104D C211 2K/2W
GND R58 104/250V Q6
T15 SIG
T16 R64 C5198 C504
TOR80 R68 2N5551 0.5 C505
85¡æ R313 10K 2N5551 2.2K 471
R511 220 R509
270 220 39K
H4-7-8
D4 T12 -141.4V
1N4007 2N5551
R59
1
PRO R69 2.2K
270K R65
47K
R1
R66
T14 2.2K C39 33K
R70
2N5551 100U/25V