ONKYO TXSR702
Manual de Servicio

TX-SR702/E IC BLOCK DIAGRAMS AND DESCRIPTIONS
M66005-0001AFP(FL tube drive IC)
Vcc1 19 DISPLAY CODE RAM (8 bits 16) Vcc2 60 23 SEG36

~ ~ ~ ~ ~ ~ ~

CGROM (35 bits 160) SELECT/OUTPUT CIRCUIT

31 SEG28 33 SEG27

~

CS SCK SDATA

14 15 16 SERIAL RECEIVE CIRCUIT CONTROL CIRCUIT RAM write CGRAM (35 bits 16)

59 SEG01

SEGMENT/DIGIT SEGMENT OUTPUT CIRCUIT

CODE/

61
DIG16/SEG40

COMMAND

64

DIG13/SEG37

RESET 13 Xin 21

INDICATOR CONTROL REGISTER

code selector

17 P1 18 P0 DECODER 1 DIGIT OUTPUT CIRCUIT DIG12

CLOCK GENERATOR CIRCUIT Xout 20

DISPLAY CONTROLLER

12 DIG01

22 Vss

32 Vp