Pioneer KEH-M5500 UC Service Manual page 20

Multi-cd control fm/am tuner deck amplifier
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(56 | MECPW
Deck mechanism regulator control output
7
[nc
5
[58 [St-¥
[output] C
|Notusd
|
ss
C—"Cs—CSCCSCisdCY
[59 | MONO | output| C
|Forced mono outptt
=
Cd
(60 | SEER | output| C | SEEK output pin
Outputs low signal during SEEK operation.
[63 |LOCH
|output{ C
|LocalHsetup
|
—————C—C"'(C;CiézsC
[64 | TUNANT | output] C |[Notused
=
Ci'
65 | FM/AM | output| C |FM/AMselect
Cid
66 | EQFDA |output| C |[Notusedd
sd
[67 |EQFDB |output| C |[Notused
|
=
—C—C"'(WC*dzr
(68 | EQUA
| output{ C_ [Notused
= =
C—"—*i"C*s—sC—CSCSCCSC~sdzC
6
0
EE
——————
|70_ | EQiNH [output
| C__| Not used
[KS1
[output
| C__| Model_sense_output
Destination selection output
i
ut
[K3 | input [| C_[Key matrix data input
[k2 [input | C [Key matrix data input
[Ki [input | C [Key matrix data input
[KO
[input | C | Key matrix data imput
KS1
K3
DKOIT
i
ete
Qutput Format
C-MOS
N
N channel
open drain
eo

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