NO SYMBOL I/O FUNCTION
1. DB0 I/O Data Bus
2. DB1 I/O Data Bus
3. DB2 I/O Data Bus
4. DB3 I/O Data Bus
5. DB4 I/O Data Bus
6. DB5 I/O Data Bus
7. DB6 I/O Data Bus
8. DB7 I/O Data Bus
9. LED+ P Power Supply for LED
10. RW I Read/Write Execution Control
11. E I Read/Write Start Signal
12. A0 I Register Select input
13. RESET I Reset Input Pin
14. VSS (LED-) P GND
15. VDD P Power Supply for Logic
INTERFACE PIN FUNCTION
C14
C0
C15
LCD PANEL
INTERFACE
LED
BLOCK DIAGRAM
LCD MODULE
IC AX6120
48 * 15 DOTS with 38 ICONS
A0
RESET
VSS
VDD
E
LED+
D7
D5
RW
D4
D3
D2
D1
D0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
D6
.
.
.
.
.
.
.
.
.
C0
C14
C15
S0 S49
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-1
KEY & CONTROL BOARDS
TABLE OF CONTENTS
LCD Module - Block diagram .......................................... 6-1
LCD Module - Interface Pin Function .............................. 6-1
Top Key Part - Layout & Circuit diagram ......................... 6-2
SACD LED Part - Layout & Circuit diagram .................... 6-3
Volume & IR Part - Component & Chip layout ................ 6-4
Volume & IR Part - Circuit diagram ................................. 6-5
Headphone Part - Layout & Circuit diagram ................... 6-6
Power ON/OFF Part - Layout & Circuit diagram ............. 6-6
Electrical parts list............................................................ 6-7
6-1
To Next Page
Loading...
