Read Harman Kardon HK 3470 Service Manual online
Pin No.
Pin Name I/O ACTIVE
PORT NAME
REMARK
47
P127
-
-
Not used
48
P127
-
-
Not used
49
P125
-
-
Not used
50
P124
O
H/L
78211 DATA
51
P123
-
-
Not used
52
P122
-
-
Not used
53
P121
-
-
Not used
54
P120
-
-
Not used
55
P117
O
H
VMAX
VMAx on/off
56
P116
O
H
SPK1_RLY
Speaker1 relay on/off
57
P115
O
H
SPK2_RLY
Speaker2 relay on/off
58
P114
O
H
SPK1_LED
Speaker1 led on/off
59
P113
O
H
SPK2_LED
Speaker2 led on/off
60
P112
O
H
SPK12_LED
Speaker1/2 led on/off
61
P111
-
-
62
P110
-
-
63
P107
O
H
VR_LED
Volume led on/off
64
P106
I
H/L
OPT_STEP
L:E.U. , H:USA
65
P105
I
H/L
OPT_3400/3700
L:3400, H:3370
66
FIP33
O
H
S18
FIP segment output
67
FIP32
O
H
S17
FIP segment output
68
FIP31
O
H
S16
FIP segment output
69
FIP30
O
H
S15
FIP segment output
70
FIP29
O
H
S14
FIP segment output
71
FIP28
O
H
S13
FIP segment output
72
FIP27
O
H
S12
FIP segment output
73
FIP26
O
H
S11
FIP segment output
74
FIP25
O
H
S10
FIP segment output
75
FIP24
O
H
S9
FIP segment output
76
FIP23
O
H
S8
FIP segment output
77
FIP22
O
H
S7
FIP segment output
78
FIP21
O
H
S6
FIP segment output
79
Vload
-
-
Vload
FIP DRIVER VOLTAGE
80
FIP20
O
H
S5
FIP segment output
81
FIP19
O
H
S4
FIP segment output
82
FIP18
O
H
S3
FIP segment output
83
FIP17
O
H
S2
FIP segment output
84
FIP16
O
H
S1
FIP segment output
85
FIP15
O
H
G16
FIP grid output
86
FIP14
O
H
G15
FIP grid output
87
FIP13
O
H
G14
FIP grid output
88
FIP12
O
H
G13
FIP grid output
89
FIP11
O
H
G12
FIP grid output
90
FIP10
O
H
G11
FIP grid output
91
FIP9
O
H
G10
FIP grid output
92
FIP8
O
H
G9
FIP grid output
93
FIP7
O
H
G8
FIP grid output
94
FIP6
O
H
G7
FIP grid output
95
FIP5
O
H
G6
FIP grid output
HK3370 / HK3470
10
77
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