Philips MX1060D - Audio Switch Board

10-1
AUDIO SWITCH BOARD
TABLE OF CONTENTS
LC78212 Internal Block ................................................. 10-1
Components & Chips Layout + voltages ....................... 10-2
Circuit Diagram .............................................................. 10-3
Electrical parts list.......................................................... 10-4
LC78212 Internal Block
10-1
Level Shifter
Latch
Shift Register
Control
CL 15
DI 14
CE 13
L4 5
LCOM2 8
L5 6
L6 7
VEE 12
16 VSS
17 S
LC78212
L1 1
LCOM1 4
L2 2
L3 3
30 R1
22 R7
20 RCOM3
21 R8
IN7 9
LCOM3 11
IN8 10
18 RES
29 R2
28 R3
27 RCOM1
26 R4
25 R5
24 R6
23 RCOM2
19 VDD