Denon MULTEQXT AVR-4306, Service Manual

Page: 45 / 135

45
AVR-4306/AVC-4320
NJM2229M-TE1 (AV: IC702)
LM1117MPX-1.8 (DI: IC
202, 402, 472, 753
)
LTC4300-2CMS8 (DI: IC617)
1
2
3
4 ENABLE/V CC2
SCLOUT
SCLIN
GND
8
7
6
5 V
CC
SDAOUT
SDAIN
READY/ACC
TOP VIEW
100k
RCH1
100k
RCH3
Ð
+
Ð
+
0.5pF
UVLO
3 SCLIN
4300-2 BD
CONNECT CONNECT
STOP BIT AND BUS IDLE
4
4
GND
20pF
RD
S
QB
0.5 A
0.55VCC /
0.45VCC
Ð
+
Ð
+
0.55V CC2/
0.45V CC2
2mA
95 s
DELAY
BACKPLANE-TO-CARD
CONNECTION
CONNECT CONNECT
2 SCLOUT
6 SDAIN
8 VCC
BACKPLANE-TO-CARD
CONNECTION
CONNECT CONNECT
7 SDAOUT
1 VCC2
5 ACC
1V
PRECHARGE
100k
RCH2
100k
RCH4
CONNECT
SLEW RATE
DECTECTOR
2mA
SLEW RATE
DECTECTOR
2mA
SLEW RATE
DECTECTOR
ACC
ACC
2mA
SLEW RATE
DECTECTOR
2-Wire Bus Buffer and Hot Swap Controller
μ
μ