Philips 22PFL3108H/60 Service Manual page 86

Circuit Diagrams and PWB Layouts
10-3-10 IR/KEY
IR/KEY
BA10
DV33SB
LED_R#:
Enable(Stand_By): High
Disable: Low
LED_R
R4501 10K 1/16W 5%
INT_IR
R4502 R0402 100R 1/16W 5%
ZD4501
NC/BZX84C3V6 NC
SOT23BEC
5/28 for standby current solution
R4501 : 100R to 10K
R4503 : 1k TO NC
Backlight ON/OFF Control
DV33SB
BackLight_SW:
BackLight on: High
R4516
100R 1/16W 5%
BackLight off: Low
R4507
NC/10K 1/16W 5%
R0402
R4509
BL_ON/OFF NC/4K7 1/16W 5%
TPN10.1E LA 10.
FB4501
600R
L0603
C4504
100N16V CN4501
C0402
1
KEY_UP_DN_DCSW
TP30
2
TP31
3 KEY_ADC0
TP32
4
TP33
5
TP34
6
Key1
TP35
7
CONN
DV33
R4508
NC/1K 1/16W 5%
R0402
INVERTER_ON_OFF
2
Q4501
NC/BC847C
R0402
SOT23EBC
EN 86
DV33SB
R4504
3.9K 1%
R0402
Key1
R4505 100R 1%
R0402
C4502
100N16V
C0402
Backlight Brightness Control
DV33 DV33
R4512
R4511 NC/1K 1/16W 5%
NC/10K 1/16W 5% R0402
R0402 R4517
100R 1/16W 5%
R4513
BL_DIMMING
2
NC/4K7 1/16W 5% Q4502
NC/BC847C
R0402
SOT23EBC
back to
2013-Oct-18
div.table
+5V_STB
+5V_STB 4,5,19
+5V_SW
+5V_SW 4,8,11,16,19
DV33
DV33 4,5,6,7,9,11,12,14,16
DV15
DV15 4,10
DV11
DV11 4,12
DV33SB
DV33SB 4,5,9,12
GND 4,5,6,7,8,9,10,11,12,14,16,19
GPIO
KEY_ADC0
INT_IR
LED_R
BL_ON/OFF
STB CONTORL
BL_DIMMING
To power board
BRIGHT_ADJ
INVERTER_ON_OFF
R4515
BRIGHT_ADJ
100R 1/16W 5%
R0402
IR/KEY
BA10
KEY_ADC0 9
INT_IR 9
LED_R 9
BL_ON/OFF 9
BL_DIMMING 11
BRIGHT_ADJ 4,18
INVERTER_ON_OFF 4,18
C 2013-06-04
715G6079
19530_515_130719.eps
130719