Block Diagram - Denon AVC-A1XV Service Manual

LTC1694CS5 (IC902) D.VIDEO P.W.B.
TOP VIEW
V 1 5 SMBus1
CC
GND 2
NC 3 4 SMBus2
V (Pin 1): Power Supply Input. V
CC
to 6V and requires a 0.1 F bypass capacitor to GND.
μ
Supply current is typically 45 A when the SMBus or I
μ
lines are inactive (SCL and SDA are a logic high level).
GND (Pin 2):Ground.

BLOCK DIAGRAM

V
CC
1
SMBus1
5
GND
2
SMBus2
4
LTC4300-2CMS8 (IC903) D.VIDEO P.W.B.
TOP VIEW
ENABLE/V 1
CC2
SCLOUT 2
SCLIN 3
GND 4
BLOCK DIAGRAM
2-Wire Bus Buffer and Hot Swap Controller
V 8
CC
SLEW RATE
ACC
DECTECTOR
SDAIN 6
CONNECT
100k
RCH1
100k
RCH2
SLEW RATE
ACC
DECTECTOR
SCLIN 3
CONNECT
+
Ð
+
0.55V /
CC Ð
0.45V
CC
95 s
UVLO
DELAY
can range from 2.7V NC (Pin 3):No Connection.
CC
SMBus2 (Pin 4):Active Pull-Up for SMBus.
2
C
SMBus1 (Pin 5):Active Pull-Up for SMBus.
SLEW RATE
2.2mA
DETECTOR
+
VOLTAGE
COMP
-
0.65V
V
REF
(DUPLICATE OF CHANNEL ONE)
8 V
CC
7 SDAOUT
6 SDAIN
5 READY/ACC
2mA 2mA
SLEW RATE
DECTECTOR
BACKPLANE-TO-CARD
CONNECTION
CONNECT CONNECT
100k
RCH3
1V
PRECHARGE
100k
RCH4
2mA 2mA
SLEW RATE
DECTECTOR
BACKPLANE-TO-CARD
CONNECTION
CONNECT
STOP BIT AND BUS IDLE
0.5 A
20pF
RD
QB
S
0.5pF
CHANNEL ONE
CONTROL
LOGIC
CHANNEL TWO
1694-1 BD
1 V
CC2
7 4 SDAOUT
5 ACC
2 SCLOUT
+
0.55V /
Ð CC2
0.45V
CC2
+
Ð
CONNECT CONNECT
4 GND
4300-2 BD
73
AVR-5805/AVC-A1XV