Teac MC-D90 - IC 66 PIN FUNCTION (IC: BVITMP87 PM78 F)(CD)

SERVICE MANUAL
4
PIN No. NAME I/O DESCRIPTION
VDD
BUS 0
BUS 1
BUS 2
BUS 3
BUCK
CCE
CDRE
MUTE
SIO CLOCK
SIO OUT
SIO IN
HREQ
VSS
X IN
X OUT
RESET
A
B
C
D
DSP POWER
UN CLAMP SW
T.U HEIGHT SW
HOLDER MODE SW
T.U HEIGHT SW
HOLDER HEIGHT SW
LOAD/CLAMP
OPEN SW
CLOSE/HP SW
DISC ON SW
DISC CENTER SW
IC 66 PIN FUNCTION (IC : BVITMP87PM78F)(CD)
1, 25
2
3
4
5
6
7
8
9
10
11
12
13
22,23,27,30
31
32
33
42
43
44
45
46
83
84
85
86
87
88
89
90
91
92
POWER SUPPLY (+5V)
BUS for CD DATA
BUS for CD DATA
BUS for CD DATA
BUS for CD DATA
BUS for CD CLOCK
BUS for CD CHIP ENABLE
RESET for CD
MUTE for CD SINGLE
BUS for CD DATA
GND
8MHz CRYSTAL CONNECTING TERMINAL
SYSTEM RESET
PLL DATA CONTROL PORT
CD POWER ON/OFF
MECHANISM SW CONDITION
-
I/O
I/O
I/O
I/O
I/O
I/O
O
O
I/O
I/O
I/O
I/O
-
I
O
I
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
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