iLO IWT3206, Service Manual

Page: 26 / 60

7-1
BLOCK DIAGRAMS
System Control Block Diagram
L4903BLS
77 12
63
2
62
79
SCL AFT
-IN
AFT
-IN
INPUT0 INPUT1
PR
O
TECT
-2
PR
O
TECT
-1
PR
O
TECT
-3
P-ON-H
SD
A
REMO
TE
SENSOR
KEY SWITCH
75 32 36 28
DG-ON-H
+5V
-CTRL
+1.8V
-CTRL
RESET
DTV
-H
+8V
-CTRL
DG-ON-H
+5V
-CTRL
+1.8V
-CTRL
+8V
-CTRL
TO PO
WER SUPPL
Y
BLOCK TO CR
T/H.V
. BLOCK
PR
O
TECT
-2
PR
O
TECT
-1
PR
O
TECT
-3
P-ON-H
KEY
-IN1
RCV
-IN
RCV401
IC421
(MEMOR
Y)
SCL
6
SD
A
5
V
OLUME
60 74
8 4
73
1
PR
O
TECT
-1
7
CS
78
I2C-OPEN IC301
TV MICON/VIDEO /A
UDIO/CHR
OMA
/DEFLECTION
TO IF/VIDEO BLOCK
9
A
U
DIO-MUTE2
5 3
RESET
DTV
-H
TO A
UDIO BLOCK
V
OLUME
A
U
DIO-MUTE1
MAIN CB
A
INPUT1 INPUT0
A
U
DIO-MUTE2
SCL SD
A
TO A
U
DIO BLOCK
TO DTV BLOCK
10
A
UDIO-MUTE1
SCL SD
A
DTV
-S-RESET
DTV
-S-SREQ
DTV
-S-SCLK
DTV
-S-SIN
DTV
-S-SOUT
DTV
-S-RESET
DTV
-S-SREQ
DTV
-S-SCLK
DTV
-S-SIN
DTV
-S-SOUT
64 67 68 70 72