Philips LF501EM4 - Block Diagrams; System Control Block Diagram [TYPE A]

9-1
TO LED BACKLIGHT DRIVE BLOCK DIAGRAM
TO POWER SUPPLY BLOCK DIAGRAM
RESET
P-ON-H2
CN3701 CN3701
Q3006
Q3005
PROTECT3
BACKLIGHT-SW
BACKLIGHT-ADJ
POWER SUPPLY CBA
CN501 CN501
AL+3.3V
R12
IC3005 (MAIN MICRO CONTROLLER)
DIGITAL MAIN CBA UNIT
XOUT25 XIN25
X3001
25MHz OSC
H15 H16
PROTECT3
B13
RESET J15
BACKLIGHT-SW E2
P-ON-H2
B16
F3BACKLIGHT-ADJ
IC3006 (MEMORY)
SCK
SI
SO
T11
P11
R11
P12
6 5 2 1
T12
SCL
SDA
CS
SCK SIN SOUT CS
TO VIDEO/AUDIO BLOCK DIAGRAM
TO VIDEO/AUDIO BLOCK DIAGRAM
AUDIO-MUTE
AUDIO-MUTE
C1
COMP-DET
COMP-DET
N12
HP-MUTE
HP-MUTE
G13
HP-DET
HP-DET
K16
SCL SDA
4 3
TU3901 (TUNER UNIT)
IC3009
RESET
BACKLIGHT-SW
18 6
4 3 5 7
20 21 19 17
P-ON-H2 RESET
PROTECT3 BACKLIGHT-SW BACKLIGHT-ADJ
KEY-IN1
LIGHT
A15 A13
LED1
D14
REMOTE
C14
KEY-IN146 LIGHT73
CN3101
REMOTE55 LED164
Q3501, Q3502 Q3010
LED DRIVE BUFFER
CN4051
KEY SWITCH
IR SENSOR CBA UNIT
FUNCTION CBA UNIT
REMOTE
SENSOR
RS4051
AL+3.3V
CN4001
D4051 POWER
KEY-IN122
CN4052
LIGHT
SENSOR
IC4051
R10
T10
CN3009
USBDN USBDP
USBDN USBDP
USB JACK
BLOCK DIAGRAMS
FL13.16ABLS
1. System Control Block Diagram
[TYPE A]