Philips 22PFL3108H/60 Service Manual page 120

Circuit Diagrams and PWB Layouts
10-5-12 IR/KEY
IR/KEY
B12
DV33SB
R4521
3.9K 1%
KEY_UP_DN_DCSW
KEY_ADC0 R4515 100R 1/16W 1% Key1
C4501
100NF 16V
DV33SB
LED_R#:
Enable(Stand_By): High
Disable: Low
LED_R
R4520 100R 1/16W 5%
INT_IR R4508 100R 1/16W 5% IR
ZD4501
MM3Z3V6B
NC/33K 1/16W 5%
IR_SW_IN
R4145
NC/22K 1/16W 5%
CN4100
NC/PHONE JACK
TPN10.1E LA 10.
SW1
3 1
POWER
4 2
NC/SW
----><----|
FB451
600R
C4505
100NF 16V CN401
1
TP404
2
TP405
3
TP407
4
TP408
5
TP409
Key1 6
TP428
7
TP430
CONN
3V3SB
IR LINK
R4144 R4142
NC/10K 1/16W 5%
IR_SW
R4143
Q4102
NC/22K 1/16W 5% NC/PMBT3904
3V3SB
IR_SW_IN IR-Bypass
L Yes
R4141
R4130 NC/10K 1/16W 5% R4139 H No
2
NC/0R05 1/16W IR_IN NC/10K 1/16W 5%
3 IR_SW_IN
R4131
4
R4132 NC/0R05 1/16W IR_OUT U4101
1 NC/0R05 1/16W NC/TS5A3157DCKR
IR_IN 1
2 NO
Q4101 R4140
GND
NC/PMBT3904 3
NC COM
ZD4102 NC/1K 1/16W 5%
NC/MM3Z5V6B Q4100 R4138
NC/2N7002 IR
NC/100R 1/16W 5%
EN 120
Backlight ON/OFF Control
DV33SB
BackLight_SW:
BackLight on: Hugh
BackLight off: Low
R4519
NC/10K 1/16W 5%
100R 1/16W 5%
BL_ON/OFF NC/4K7 1/16W 5%
R4522
10K 1/16W 5%
Backlight Brightness Control
DV33
BL_DIM(PWM for Bright_Adj):
Max: 0V
Min: +3V3
3V3SB R4511
NC/10K 1/16W 5%
BL_DIMMING
6 IR_SW
IN 5
V+
4 INT_IR R4514
C4124 C4125 10K 1/16W 5%
NC/10UF 10V NC/100NF 16V
back to
2013-Oct-18
div.table
PWR_12V
+5V_STB
+5V_SW
DV33
DV15
DV11
DV33SB
GND
GND 4,5,6,7,8,9,10,11,12,13,14,16,17,18,19
KEY_ADC0
INT_IR
LED_R
BL_ON/OFF
IFAGC_SW
STB CONTORL
BL_DIMMING
To power board
BRIGHT_ADJ
INVERTER_ON_OFF
Tuner
TUN_DIF-
TUN_DIF+
TUNER_SDA
TUNER_SCL
IF_AGC
DV33
R4517
NC/1K 1/16W 5%
R4518
INVERTER_ON_OFF
3
R4516
1 Q4502
NC/BC847C
2
DV33
R4512
NC/1K 1/16W 5%
R4523
0R05 1/16W R4509
BRIGHT_ADJ
100R 1/16W 5%
3
R4513
1
NC/4K7 1/16W 5% Q4501
NC/BC847C
2
IR/KEY
B12
PWR_12V 4,5,19
+5V_STB 4,5,16
+5V_SW 4,5,6,10,13,16,18
DV33 4,5,6,8,10,11,13,14,16,17,18,19
DV15 4,12
DV11 4,14
DV33SB 4,5,7,11,13,14,16
GPIO
KEY_ADC0 11
INT_IR 11
LED_R 11
BL_ON/OFF 11
IFAGC_SW 11
BL_DIMMING 13
BRIGHT_ADJ 4
INVERTER_ON_OFF 4
TUN_DIF- 8,18
TUN_DIF+ 8,18
TUNER_SDA 13
TUNER_SCL 13
IF_AGC 8
1 2013-06-05
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