Akai AA-A35 - Page 34

A1007A
a Functions A Functions
1 DIGIT 0 29 CARTRIDGE (MM/MC) SELECTION INPUT
2 DIGIT 1 MC > “H” MM > “L”
STROBE FOR KEY
: Se MATRIX CONVERTER ee
4) DIGIT 3 31 XIN
FL DISPLAY
5| DIGIT 4 32) Xour
6| DIGIT 5 33 RESET INPUT
7| SEG 12 34 | HOLD INPUT (BACK UP)
8 | SEG 13 35 INPUT STATUS OUTPUT, TUNER > “L”
9| SEG 11 FL DISPLAY PHONO/CD > “H”
10 SEG 10 SEGMENT DRIVE 36 TUNER OPERATION PULSE INPUT,
11 SEG 9 Switching input selector to TUNER whenever
12| SEG 8 receives the pulse (6 m sec) from Tuner
13 INPUT SELECTOR MI-COM (IC A1007T)
DATA FOR ANALOGUE SW 37 | MM/MC CIRCUIT SWITCHING OUTPUT.
14 | INPUT SELECTOR 38 DATA DETECTION FROM A/D
CLOCK FOR ANALOGUE SW CONVERTER
15 | INPUT SELECTOR 39 | END DETECTION FROM A/D
STROBE FOR ANALOGUE SW CONVERTER
16 STROBE FOR ELECTRONIC VOLUME 40 | ST—WR (CONVERSION START)
(MAIN, BASS, TREBLE VOLUME) OUTPUT FOR A/D CONVERTER
17| SEG 7 (LC-7910)
18 SEG 6 FL DISPLAY DATA OUTPUT FOR MAIN, BASS, TREBLE
19
|
SEG
5
SEGMENT
DRIVE
CONTROL
VOLUME
IC
(TC9176P,
20 SEG 4 TC9156P x 2)
21
GND
41
CE
(DATA
CLOCK)
OUTPUT
FOR
22) SEG 3 A/D CONVERTER (LC7910)
23 | SEG 2 FL DISPLAY CLOCK OUTPUT FOR MAIN, BASS
24 | SEG 1 SEGMENT DRIVE TREBLE, CONTROL VOLUME IC (IC9176P,
25 SEG 0 TC9150P x 2)
26 42} VDD +5V
27 KEY MATRIX INPUT
28