JVC XP-A1000BK - Page 34

XP-A1000BK
@
IR2E27A
(IC802)
........
5
Dot
x
2-Channel
LED
DISPLAY
DRIVER
AMP AMP
Veo OUTa INa OUTSA OUTSA OUT3A OUT2AOUT1A (CHI)
OUT sal I | 16] Vee
out 4al2 | is] AMP OUTA
OUT 3aL3| 4]AMP INa
ouTeala | |3)AMP OUTB
OUT 1A| 5 | i2]AMP INe
OUT +B] 6 | iJOUT 5B
OUT 26] 7 | fro]OUT 48
GNO[s | le]ourT 38 (8 )GND
AMP AMP OUTSs OUTasOUTse OUTz8OUT18 (CH2)
OUTS IN@
@ TOTX174 (IC701) ........ OPTICAL TRANSMISSION MODULE
CONNECTION
GND
LED current
limit resistance
CONNECTION
Output
GND
Vcc
GND
Case
Case
@
TC74HC157P
(IC707)
........
QUAD
2-CHANNEL
MULTIPLEXER
Truth value table
INPUTS OUTPUT
STROBE SELECT Y (157)
* L
L
H
L
H
*: Don’t care
1-34
(No.
20062)