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
harman/kardon
73
Summary of Contents for HK 3370
Page 24: ...4 BLOCK DIAGRAM HK3370 HK3470 24...
Page 29: ...29...
Page 30: ...30...
Page 31: ...31...
Page 32: ...32...
Page 33: ...33...
Page 34: ...34...
Page 71: ...3 Circuit Description CPU IC401 uPD780204GF 1 Pin Configuration hk3370 hk3470 harman kardon 71...
Page 75: ...1 1 1 1 1 1 MANUAL TUNING UP DOWN MANUAL TUNING UP DOWN KEY OFF 1 2 3 1 4 5 6 75...
Page 76: ...1 2 3 1 4 5 6 1 2 3 1 3 1 1 2 2 3 1 4 5 6 AUTO TUNING UP DOWN POWER ON 76...
Page 77: ...4 Pheriperal IC Operation 1 FUNCTION IC LC7821 1 3 77...
Page 82: ...HI M602H0 REMOTE RECEIVER hk3370 hk3470 harman kardon 82...
Page 84: ...hk3370 hk3470 harman kardon 84...
Page 85: ...IC 603 LA3401 hk3370 hk3470 harman kardon 85...
Page 86: ...hk3370 hk3470 harman kardon 86...
Page 87: ...hk3370 hk3470 harman kardon 87...
Page 88: ...hk3370 hk3470 harman kardon 88...
Page 89: ...hk3370 hk3470 harman kardon 89...
Page 90: ...hk3370 hk3470 harman kardon 90...
Page 91: ...hk3370 hk3470 harman kardon 91...
Page 103: ...hk3370 hk3470 harman kardon 103...
Page 104: ...HK3370 HK3470 P C BOARD MAIN MAIN 104...
Page 105: ...HK 3370 P C BOARD AMP AMP 105...
Page 106: ...P C BOARD AMP HK 3470 AMP 106...
Page 107: ...P C BOARD FRONT FRONT HK3370 HK3470 107...
Page 108: ...P C BOARD TUNER VR HP COIL TUNER VR HP COIL HK3370 HK3470 108...
Page 109: ...HK3370 HK3470 P C BOARD TONE POWER SW LED TONE POWER SW LED 109...
Page 110: ...HK 3370 SCHEMATIC DIAGRAM MAIN 110...
Page 111: ...SCHEMATIC DIAGRAM MAIN HK 3370...
Page 112: ...HK 3370...
Page 113: ...SCHEMATIC DIAGRAM MAIN HK3470 113...
Page 114: ...SCHEMATIC DIAGRAM MAIN HK3470...
Page 115: ...HK3470...
Page 117: ...SCHEMATIC DIAGRAM FRONT HK3370 HK3470 117...
Page 118: ...SCHEMATIC DIAGRAM FRONT HK3370 HK3470...
Page 119: ...HK3370 HK3470...
Page 120: ...SCHEMATIC DIAGRAM TUNER VR HP HK 3370 HK 3470 HEAD PHONE TUNER 120...
Page 121: ...12 WIRING DIAGRAM HK 3370 HK 3470 121...
Page 122: ...HK 3370 122...
Page 123: ...HK 3470 123...