Marantz SR4000 Service Manual - Page 56

Measurement, References To Layout On For Sr4000

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11-2 MEASUREMENT REFERENCES TO LAYOUT ON PAGE 11-15 (for SR4000) IC7643 IC 7643 Pin 17 Can be measure via Test point on component side monoboard TP 47 18 TP 48 9 TP 50 10 TP 51 3 TP 52 2 TP 53 4 TP 54 26 TP 55 27 TP 56 33 TP 57 36/40/43 41/42 39 19 34 25 24 TP 58 TP 59 TP 60 TP 61 TP 63 TP 64 TP 65 12 TP 66 20 TP 67 21 TP 68 Funtionality MDM Surround L in not used MDM Surround R in not used 4,7V 4,7V 4,7V 4,7V 4,7V Surround Right out Ground 9,4V 4,7V 8,7V Surround Left out 4,7V 4,7V 4,7V 4,7V 4,7V IC7503 IC 7503 Can be measure via Test point Pin on component side monoboard 5 TP 73 4 TP 74 8 TP 75 3 TP 76 Funtionality Right in -12V 11V Left in IC7504 IC 7504 Can be measure via Test point Pin on component side monoboard 5 TP 77 4 TP 78 7 TP 79 8 TP 80 3 TP 81 1 TP 82 Funtionality Rec - in Right -13,5V Rec - out Right 12V Rec - in Left Rec - out Left

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11-2
MEASUREMENT
REFERENCES TO LAYOUT ON PAGE 11-15 (for SR4000)
17
18
9
10
3
2
4
26
27
33
36/40/43
41/42
39
19
34
25
24
12
20
21
Can be measure via Test point
on component side monoboard
IC 7643
Pin
Funtionality
TP 47
TP 48
TP 50
TP 51
TP 52
TP 53
TP 54
TP 55
TP 56
TP 57
TP 58
TP 59
TP 60
TP 61
TP 63
TP 64
TP 65
TP 66
TP 67
TP 68
MDM Surround L in
not used
MDM Surround R in
not used
4,7V
4,7V
4,7V
4,7V
4,7V
Surround Right out
Ground
9,4V
4,7V
8,7V
Surround Left out
4,7V
4,7V
4,7V
4,7V
4,7V
5
4
8
3
Can be measure via Test point
on component side monoboard
IC 7503
Pin
Funtionality
TP 73
TP 74
TP 75
TP 76
Right in
-12V
11V
Left in
IC7503
IC7643
5
4
7
8
3
1
Can be measure via Test point
on component side monoboard
IC 7504
Pin
Funtionality
TP 77
TP 78
TP 79
TP 80
TP 81
TP 82
Rec - in Right
-13,5V
Rec - out Right
12V
Rec - in Left
Rec - out Left
IC7504