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PROLOGY MCD-250
L-RA RR-2 R234
RR-2
D C602 100K D
TO SUB-WOOFERCHANGER
R-RA 474 LF-2 R236
LF-2
100K
LR-2 R233
R601 100K
C603 RF-2 R177
470K
474 100K
L-CD
C604 R602
R-CD R97
474 470K
R29 22K
200mV / 2V R138 R161 EC12 0 R98
1K 100K 10U D46 47K 3mH
R99 COIL1
4148 47K R205 B+14V4
AUX IN C605 R603 SGND RR-2
C5
SGND EC101 R100 EC1 D3
10U D47 EC59 0 104 2200U 1N5401
474 470K 22K 22U
R139 S9014S 4148
1K
4 3 2 1
Q19 R169 1K5 C2 472 GND
S9014S
R160 SGND EC28 RR-2 RR-CH R22
Q18
R130
47U
EC51 4U7
R608 EC52 4U7
4U7
100K IC8
10K
10K
EC54 4U7
20
C37
6
C606 R604 SGND
4558 R168
1K5 0.47U
2K2 EC53
SGND SGND
R131
10K
5 6 7 8
VCC1-2
VCC3-4
R24 R25 470K R31 1K5 C36 9
R156 EC102 3K3 3K3 474 0 R171 OUT1+
10K R605 RF-2 RF-CH
820 EC60 R206 8
22K
R609
R157 R104 RF-2 R170 C1 0.47U PGND1 PGND 4 OHM
R78
10U R606
EC10 4U7
10K SGND 472 4
C8 224
C9 224
C11 224
1K5
C10224
2K2 47K 22U 0 ST-BY 7
EC9
2K2
OUT1-
2K2
24 R607
1U
DGND SGND SGND C107
R81 1K R11 1uF
+8V
SGND
SGND R103 22 MUTE 5
15
16
17
18
19
20
21
22
23
25
26
27
28
C 2K2 R82 22K R101 47K OUT2+ C
47K 2
R105 EC30 EC48 11 PGND2 PGND 4 OHM
IN1
L-CDC/AUX
Q20 100U
LO.BAS
RO.BAS
L.IN
D.GND
SDA
8PIN
L.OUT
SCL
RR
LR
LI.BAS
RI.BAS
RF
LF
4U7
CON1 73.68mV/245.6mV 22K R208 SGND OUT2- 3
S9014S SGND
IC3
10U
Q38 47 Q4 12 IN2
EC11
TO CD CH ANGE (FRO NT VI EW )
S9015S IC4 TDA7313 R12 S9014S 17
R-CDC/AUX
R145 GAIN:0dB TDA7381~6
60mV/200mV
R83 R85 100K OUT3+
LF-CH15
R.LOUD
GND
L.LOUD
L- CH R-CH 10K IN3 18 PGND
1K
R.OUT
22K
R.TRE
L.TRE
R30 PGND3 4 OHM
R -CD
7 6
CREF
R-RA
L-RA
L-CD
GND
VDD
SGND
R.IN
SGND 0 GND
R86 LR-CH
14 GAIN:26dB OUT3-
19
R76 47K R18 IN4
ST .BY 22K R75 4K7 1K5 1K5
3 8 1 1K R87 68K R203 R173 R172 21
14
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