MX-K35V
1-24
TMP87CM78 (IC701) : System control microprocessor
1. Terminal layout
2. Pin function
Symbol I/OPin No. Symbol I/O Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
VDD
AB
BIAS
RPHD
BC1
uRTS
uDA
uCLK
MPX
PER
SD
SCK
REM
KEY0
KEY1
KEY2
VER
LVL
SFTY
TPA
TPB
VSS
VASS
VAREF
VDD
INH
TEST
XTI
XTO
VSS
XIN
XOUT
RST
uSTB
PRT
FCD
FTU
+5V back up supply
Deck A/B select control
Recording bias on/off control
Deck-B head switch control
Bias frequency control
MPEG RTS input
MPEG serial data I/O
MPEG serial clock input
FM stereo indicator input
PLL periode output
PLL serial data I/O
PLL serial clock output
IR remote signal input
Key-0 ADC input
Key-1 ADC input
Key-2 ADC input
Version set
Level meter input
Safety input
Deck-A switch matrix input
Deck-B switch matrix input
Digita ground
ADC reference ground
ADC reference +5V supply
+5V back up supply
INH bit input
Test mode / ground
32.768kHz X'Tal iput
32.768kHz X'Tal output
Digita ground
8.0MHz X'Tal
8.0MHz X'Tal
Reset circuit
MPEG strobe input
Protector input
CD power supply control
Tuner power supply control
-
O
O
O
O
I
I/O
I
I
O
I/O
O
I
I
I
I
I
I
I
I
I
I
-
-
-
I
I
I
O
-
I
O
I
I
I
O
O
80 51
1
30
100 81
31
50
38
39
40
41
42
43
44
45
46
47
48
49
50
51
63
64
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
PCNT
SHFT
SMUT
SPK
LMUT
ECHO
AHB
KARA
VCK
VDAT
VOL+
VOL-
VKK
G13
G1
P16
P1
DOP
DCL
Reservd
CLS
CW
CCW
CNTT
OPSW
CLSW
UPSW
DWSW
DCNT
TPSW
OPN
DETA
DETB
MOT
SOLB
SOLA
PBM
RECM
System power on/off control
Clock shift output
System mute cotrol output
Speaker mute control output
Line output mute control
Echo on/off control output
Active bass boost control output
Karaoke mode on/off control
Sound processor serial clock out
Sound processor serial data out
Volume up jog signal input
Volume down jog signal input
-35V supply
VFD grid output
VFD plate output
MPEG door open
MPEG door close
Reserved
Tray close control output
Turn table CW output
Turn table CCW output
Turn table speed control
Tray open detect switch input
Tray close detect switch input
Pickup up detect switch input
Pickup down detect switch input
Disc count switch input
Turn table position SW input
Tray open control output
Tape-A real rotation detector
Tape-B real rotation detector
Motor on/off control
Deck-B solenoide control
Deck-A solenoide control
Tape playback muting control
Recording mute control
O
O
O
O
O
O
O
O
O
O
I
I
-
O
O
O
O
-
O
O
O
O
I
I
I
I
I
I
O
I
I
O
O
O
O
O
Pin No. Function
Description of major ICs
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