Pioneer XC-F10, Service Manual

Page: 38 / 43

38
XC-F10
VSS
G4
1
E2 2
E1 3
XIN
4
XOUT 5
E0 6
G0 7
G2 8
G3 9
10
VDD
D7
20
CARR 19
D0 18
D1
17
D2 16
D3 15
D4 14
D5 13
D6 12
11
*
1 : Change of function. The truth value table of BU4052BCF.
A B Switch turned on Function
L L X0, Y0 CD
H L X1, Y1 AUX
L H X2, Y2 PB
H H X3, Y3 TX
Function Name Port Kind Active
OE C-MOS H
ACRY C-MOS H
SPRY C-MOS H
XMUTE C-MOS L
IND C-MOS H
HPPOW C-MOS (Not used)
WF1* C-MOS L
WF2* C-MOS L
*
2 : The truth value table of Expander IC (BU4094BCF / M-F10 COMPLEX ASSY IC5801).
*
3 : The truth value table of PLAY LED brightness.
Brightness DISCLED LEDDIMA LEDDIMB
OFF L L L
LOW L L H
MID L H L
HIGH H L L
Woofer Level WF1 WF2
HIGH H H
MID H L
LOW L H
*
PD5601A (DISP UNIT : IC5652)
• 4 Bit Single Chip Microcomputer
•
Pin Function
•
Pin Assignment
NO. PIN NAME FUNCTION I/O PULL DOWN ACT at SLEEP NOTE
1 VSS GND – ––– – –––––
2 E2 Trigger input for buzzer I Software H I Pull down ON always
3 E1 Buzzer output O Software H I Pull down ON always
4 X IN 3.84MHz Oscillation Connection I ––– – –––––
5 X OUT 3.84MHz Oscillation Connection O ––– – –––––
6 E0 buzzer ON/OFF input I Software H Input interception Pull down OFF at SLEEP
7 G0 KEY input 1 I Software H I
8 G1 KEY input 2 I Software H I
9 G2 KEY input 3 I Software H I
10 G3 KEY input 4 I Software H I
11 D7 Signal switch output O Software H I
12 D6 Remote control output without carrier O External L H output
13 D5 KEY output O ––– H H output
14 D4 KEY output O ––– H H output
15 D3 KEY output O ––– H H output
16 D2 KEY output O ––– H H output
17 D1 KEY output O ––– H H output
18 D0 KEY output O ––– H H output
19 CARR Remote control output with carrier O ––– H L output
20 VDD 3V Power supply – ––– – –––––