FUNAI LC5-D32BB - System Control Block Diagram

7-1
System Control Block Diagram
A73F0BLS
BLOCK DIAGRAMS
CN102
KEY-IN1
KEY-IN1
34
KEY SWITCH KEY SWITCH
IC3803
(SUB MICRO CONTROLLER)
IC3501 (MAIN MICRO CONTROLLER)
TU4102 (TUNER UNIT)
CN3501
3RESET
XOUT
XIN
RESET
IC3802
AL +3.3V
X3801
Q103 Q104
4MHz OSC
DIGITAL MAIN CBA UNIT
POWER SUPPLY CBA
JACK CBA
IR SENSOR CBA FUNCTION CBA
POWER SUPPLY CBA
CLN51B
REMOTE
SENSOR
RCV891
AL+3.3V
D102
POWER
STANDBY
D101
LED-G88
CLN51A
REMOTE55 LED-R99
CN302CN4502
REMOTE21 3
CN4503
SDA717
CN303
SCL816
CN701
Q3802
SDA22 18
CN7001
SCL23 17
LED1
REMOTE
LED1 13 11
5
4
CN552 CL552B
7
2
2
7
3
6
PROTECT1 4
PROTECT3 2 BACKLIGHT-PWM
7
BACKLIGHT-ON
PROTECT1
PROTECT3
BACKLIGHT-PWM BACKLIGHT-ON
6
CN3802
KEY-IN243
JUNCTION CBA
REMOTE
9
17
LAST-OUT
16
4 6
9
10
B6 A6
SCL SDA
SCL
SDA
L22
BUS-OPEN XOUT XIN
X3502
AC10
AB10
27MHz OSC
IC802 (TONE CONTROL)
SCL
SDA
14 13
IC7701 (VIDEO/AUDIO SELECTOR)
SCL
SDA
45 44
IC3801 (MEMORY)
SCL
SDA
6 5
WP 7
IC3103 (HDMI INTERFACE)
SCL
SDA
28 27
RESET
102
BUFFER
AMP-MUTE AMP-STBY
V-COM
P-ON-H
TO AUDIO-2 BLOCK DIAGRAM
TO INVERTER BLOCK DIAGRAM (CL552A)
AMP-MUTE
A16 K23
BACKLIGHT-PWM
AMP-STBY
J20
A11
BACKLIGHT-ON
J21
E3
D1
PROTECT3
LAST-OUT
KEY-IN1 KEY-IN2
F3
A12
L23
B16
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
TO POWER SUPPLY BLOCK DIAGRAM
PROTECT1 18
P-ON-H10
V-COM
P-ON-H22 2
Q3801
BUFFER
Q3804
BUFFER
STATUS-OUT
19STATUS-OUT
C11
POFF-OUT
20
RESET
1
POFF-OUT
D11
RESET
D20
Q3803
BUFFER
Q3807
BUFFER