Kenwood KC-Z1 Service Manual page 8

Kenwood av-control amplifier/tuner, remote controller
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3 7 63 1515 0
Pin No.
Pin Name
48
PRE2.RLY
49
SW.RLY
50
S.RLY
51
C.RLY
52
F.REY
53
L.RLY
54
VOL.ATT
55
VOL.ST4
56
VOL.ST3
57
VOL.ST2
58
VOL.ST1
59
VOL.CK
60
VOL.DT
61
A.ST3
62
A.ST2
63
A.ST1
64
A.CK
65
A.DT
66
P.RLY
TE
L 13942296513
67
LED.ST2
68
LED.ST1
69
LED.CK
70
LED.DT
71
VSS
72
VOL.CW
73
VOL.CCW
74-77
KR0-KR3
78-81
KS0-3
82-85
86
RDS.DT
87
RDS.ST
88
RDS.RT
89
RDS.AT
90
RDS.SS
91
T.MUTE
92
T.CE
93
T.CK
www
94
T.DT
95
T.ST
96
T.SD
.
97
T.DO
98
V2.INH
99
V3.SW3
100
V3.SW2
CIRCUIT DESCRIPTION
I/O
O
Preout 2 relay
O
Sub woofer (SW) ch. relay
O
Surround (SL,SR) ch. relay
O
Center (C) ch. relay
O
Front (FL,FR) ch. relay
O
Source direct relay
O
Volume attenuator
O
Preout1 FL/RFch volume IC (TC9212F) strobe
O
Preout 1 LS/RS ch.volume IC (TC9212F) strobe
O
Preout 1 C/SW ch. volume IC (TC9212F) strobe
O
Preout 2 FL/FR ch. volume IC (TC9212F) strobe
O
Preout 1,2 volume IC (TC9212F) clock
O
Preout 1,2 volume IC (TC9212F) data
O
Tone IC (TC9274F) strobe
O
Input selector (TC9162AF/TC9163AF/TC9164AF) strobe
O
Tape2 input IC (TC9164AF) level strobe
O
Tone (TC9274F) /input selector (TC9162AF/TC9163AF) /tape 2(TC9164AF) clock
O
Tone (TC9274F) /input selector (TC9162AF/TC9163AF) /tape 2(TC9164AF) data
O
Power relay
O
LED control IC (NJU3713D) strobe
O
LED control IC (NJU3711D) strobe
O
LED control IC (NJU3711D/NJU3713D) clock
O
LED control IC (NJU3711D/NJU3713D) data
GND
O
Volume rotary encoder CW (A port)
O
Volume rotary encoder CCW (B port)
I
Key return 0-3
O
Key scan 0-3
I
Not used
I
Not used
I
Not used
O
Not used
O
Not used
O
Not used
O
Tuner mute
O
Tuner unit PLL IC (LC7218) chip enable
O
Tuner unit PLL IC (LC7218) clock
O
Tuner unit PLL IC (LC7218) data in
I
Tuner stereo
x
ao
y
I
Tuner SD
i
I
Tuner unit PLL IC (LC7218) data out
O
VCR IC 2 (TC4052) inhibit port
O
VCR IC 3 (NJU2279D) switch 3 port (monitor mute)
O
VCR IC 3 (NJU2279D) switch 2 port
8
Description
Q Q
3
6 7
1 3
u163
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
H : MUTE OFF
9 9
2 8
9 9
L : MUTE ON

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