FUNAI LT8-M40BB - Block Diagrams

9-1
System Control Block Diagram
A03P3BLS
BLOCK DIAGRAMS
F24
IC3301 (MAIN MICRO CONTROLLER)
DIGITAL MAIN CBA UNIT
IR SENSOR CBA
POWER SUPPLY CBA
CL102B
CL103A
REMOTE
SENSOR
RS102
AL+3.3V
D104
POWER
STANDBY
D105
AL+3.3V
P-ON+9V
CN3703 CN403
XTALO XTALI
X3101
54MHz OSC
V26 V25
SCL SDA
8 9
TU1 (TUNER UNIT)
TO INVERTER POWER BLOCK DIAGRAM (CN1851)
TO POWER SUPPLY BLOCK DIAGRAM
PROTECT3
W23
PROTECT1 Y24
KEY-IN
AA25
BACKLIGHT-SW D23
LED1
B16
P-ON-H2
A12
REMOTE
AD11
P-ON-H1
PROTECT1
P-ON-H2 P-ON-H1
AC11
CN453
CN101
CN403
Q181
CN3703
D16
BACKLIGHT-ADJ
IC3101 (MEMORY)
SCL
SDA
AE4
AF3
6 5
IC3802 (AUDIO SELECTOR)
SCL
SDA
27 28
F25
TUNER-CLK
TUNER-DATA
CN403CN3703 CN402CN3701
OSCL0 OSDA0
23
23
SCL
22
22
SDA
5
5
PROTECT1
4
4
PROTECT3
2
2
BACKLIGHT-SW
1
1
BACKLIGHT-ADJ
KEY-IN111 11
P-ON-H111 REMOTE13 13 LED114 14 P-ON-H222
POWER-LED33 REMOTE55 STANDBY-LED22 KEY-IN111
2
PROTECT3
6
BACKLIGHT-SW
4
BACKLIGHT-ADJ
3
P-ON-H1
TO AUDIO BLOCK DIAGRAM
AUDIO-MUTE
AUDIO-MUTE
A15
TO VIDEO BLOCK DIAGRAM
SCART-OUT-SEL
SCART-OUT-SEL
E16
Q182
FUNCTION CBA
KEY-IN133
KEY SWITCH
CL103B
KEY-IN133