Mono Channel - YORKVILLE EXM 400 Service Manual

1 2 3
A
B
C
D
E
F
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H
I
J
K
1 2 3
4 5 6 7
R61
CH_In+
1/8W
562R0
0805
R65
C49 10K0
0805 0805
CH_In_IG
R67
C52 10K0
0805 0805
R71
CH_In- 1/8W
562R0
0805
+15V_5
MC33078
7817
V+
50V
U3C 100N
V- 0805
SO8
+15V_3
-15V_5
MC33078
MC33078
7817
7817
V+
V+
100N
50V 50V
U26C
U4C
100N C202 C203
V-
0805 0805
V-
SO8
SO8
-15V_3
VREFH
P1A
M
BLIN
50K
R275
4462
W125 LEVEL
LEVEL 1K02
0805
VREFL
4 5 6 7
8 9 10
C171
16V 10U
Elec
Ch_Gnd1
C45
100P 50V
0805
P2B
R62
PSGnd
W100
10K0
0805
MC33078
5 7817
+
7
6
Gain: Line=0.5*2, Mic=3.2*2
-
SO8
U3B
R72
W100
10K0
0805
C54
100P 50V
0805
+15V_5
R75
CH_Clip
1M
0805
100N 50V
R76
C59 C60
1/8W
0805
15K0
R77 0805
1K02
0805
R79
1M
MMBTA14LTIG
0805
Ch_Gnd2
Q5
50V
100N
C58
7701 0805
R80
SOT-23
150K
0805
D4
D1005
CDSF4148
D3
Ch_Gnd3 D1005
VREFH
VREFH
P3A
P2A
M
M
BLIN
BLIN
10K
50K
4461 R276
R277
4462
W125 Tone
REVERB
W125
Tone 1K02
REVERB 1K02
0805
0805
VREFL
VREFL
8 9 10
11 12 13
C48
10U 16V
Elec
C67
100P 50V
R57 0805
W100
4K99
0805 MC33078
R63
2 7817
-
W100
301R
1
0805
3
+
SO8
U3A
Ch_Gnd2
C53
R73
W125
10U 16V
10K0
Elec
0805
Q4
MMBT3906LT1
7805
SOT23
CH_MODE_SW
R78
1K800
0805
11 12 13
14 15 16 17
R58
W125
1K02
0805 C25
3N3 25V
0805
MC33078
R64
2 7817
-
W125
R66
10K0
1
HI_SENS+
0805 W125
R255
47R
3
+
W063 0805
SO8
10R
U4A
0603 C50
R86
0805
W125
1K02
R89
0805
W125 HI_SENS-
1K02
0805 C55
47P 50V
0805
MC33078
6 7817
-
R107
7
W125
R109
47R
5
+
W063 0805
SO8
10R
U4B
0603
VCOMAD
50V
100N
C57
R68
0805
W125
1K02 C26
P3B
0805
3N3 25V
P1B
0805
MC33078
2 7817
- DGND
R74
1
LO_SENS+
W125
R256
47R
3
+
W063
SO8 0805
10R
U26A
0603
C51
R225
0805
W125
1K02
R236
0805
W125 LO_SENS-
1K02
0805 C56
47P 50V
0805
MC33078
6 7817
-
R243
7
W125
R250
47R
5
+
W063 0805
SO8
10R
U26B
0603

Mono Channel

Section:
EXM400
Product(s):
PCB#: Rev#: EML Rev#: Sheet Of
M1567 V03 1 1
Modified: File: Tmp Date:
3/16/2016 Mono_Ch.SchDoc 04/15/2013
14 15 16 17
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