Ic Information - Pioneer F-93 Service Manual

7.IC INFORMATION
• PD5161A(TUNER CONTROL p-COM)
Pin Function
No.
Pin name I/O
Function
Active
1 PMUT 0 Power source mute H
2 10K/9K
AM step switcher,
FM step switcher
HA
3 ROT A
I
Rotary encoder input H/L
4 ROT H
I H/L
5 FM SM I FM S meter input —
6 AM SM
I
AM S meter input
—
7 NOISE/RST I/0
Noise input/
reset output
—/L
8 STOP
I Auto-stop input L
9 MUTE 0 Mute output H
10 MONO
0
Forced monaural
output
H
11 FM+B/AM+B 0
Fls,I+B t/
outpu
AM+B output
H/L
12 KEY IN 0 I Key input
c/o
L
13 ATT2
0 RF ATT control H/L
14
ATT1
0 H/L
15 AC IN I AC input —
16
POWER IND 0
Power indicator
L
output (standby)
17 STEREO IN I Stereo input
L
18 NR
0 Noise roduction output H
19 SSS 0
SSS output
20
S-MPX
0 S-MPX output H
21
REM IN
I Remote control input H/L
22
CN Vss
— CND —
23
RESET
I Reset input
L
24 Xin I Oscillator input H/L
25 Xout 0
Oscillator output
HA
26
Vss
—
CND
—
No. Pin name
I/O Function Active
27
SELECT
I F-93/F676 switching L
28 KEYIN 1 I Key input 1
L
29
KEYIN 2 I
Key input 2 L
30 KEYIN 3 I
Key input 3 L
31 KEYIN 4 I Key input 4
L
32
KEYIN 5 I
Key input 5 L
33 KEYIN 6 I Key input 6
L
34
KEYIN 7
I Key input 7
L
35 S NARROW 0 Super narrow
L
36
NORMAL
0 Normal
L
37
FL AC 0 FL switch
L
38 POWER
0
Power output L
39 ANT A/B 0 Antenna AB switching H/L
40 KEYOUT 4 0 Key output L
41 KEYOUT 3 0 L
42
KEYOUT 2 0
L
43 KEYOUT I 0
L
44 TEST
1
Test data
for production)
L
45 LC7570Z 0 LC7570
®
enable H
46 LC7570© 0 LC7570 ® enable H
47 FL BLANK 0 FL blanking (light off) L
48 LC7570(D 0 LC7570
cp
enable H
49
PLL CE 0
PLL
(CX7975B)
chip enable
L
50
CLK 0
Clock
(serial transmission)
H
51 DATA 0
Data
(serial transmission)
H
52
Vcc —
+5V power source —
56