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SECTION
4
DIAGRAMS
4-1.
IC PIN FUNCTION
DESCRIPTION
IC901
TMP47C200BN-H327 (SYSTEM
CONTROL)
Pin No.
Pin Name
YO
Function
1
RCL
0
eles
Serial data of EEPROM (X24CO1P)
2
RDT
VO | Data
3
VDW
O
Down
VR motor control signal (Active: H, Stop: L-L, Brake: H-H)
4
VUP
O
Up
5
CD
| o | Function relay select signal output (ON: L)
6
MUT
OL
Mute control signal output when switching (Mute: H)
7
AUX
O
Function relay select signal output (ON: L)
8
T3
O
Function relay select signal output (ON: L)
9
T2
O
Function relay select signal output (ON: L)
O
_ _ Coad
Nmle
| oO
n
ra)
—
_ 7a)
BRIG
n = w
a
WwW
SW1
mn
S
Ta)
=
>
Function relay select signal output (ON: L)
Relativity position detection signal of rotary switch
(One of them terminal: H, the other terminal: L)
Direction from SW5 to SWO, TUNER — CD — AUX ~
TAPE2 — TAPE] — PHONO — TUNER — ¢eeees
18
TUNER
5
és
ome
Function LED drive signal (ON: L)
21
GND
—
GND terminal
22
TAPE1
O
23
TAPE2
O
Function LED drive signal (ON: L)
24
TAPE3
O
29
—
O
Not used (Connected to GND)
26
—
If
Not used (Connected to GND)
27
—
if
Not used (Connected to GND)
a
r
28
—
It
Not used (Connected to GND)
29
—
I
Not used (Connected to GND)
—§$<—$<—$—$* ==
30
TEST
—
Test terminal (Open)
31
XIN
=
Oscil
scillation signal 8.19 MHz
33
RESET
]
Reset signal (Reset: L)
34
HOLD
I
Cancellation of hold mode signal (Start: H)
35
TUNER
O
Function relay select signal output (ON: L)
36
PHONO
oe
Function relay select signal output (ON: L)
37
SIRCS
I
SIRCS signal (Active: L)
38
—
O
Not used (Connected to GND)
39
|
—
O
Not used (Connected to GND)
i
40
—
O
Not used (Connected to GND)
4]
—_
oO
Model mode switch signal (Connected to GND)
42
VDD
| — | POWER supply (+5 V) terminal
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