Philips 22PFL3108H/60 Service Manual page 105

Circuit Diagrams and PWB Layouts
10-4-12 IR/KEY/Tuner
IR/KEY/Tuner
B12
KEY_UP_DN_DCSW (KEY_MENU_L_R_SOURCE)
KEY_ADC0
R4515
LED_R#:
Enable(Stand_By): High
Disable: Low
LED_R
R4520 10K 1/16W 5%
INT_IR
R4508 100R 1/16W 5%
ZD4501
MM3Z3V6B
TUNER
TCLTuner with DVB-C/T
ST03CS-2-E
1
ANT
2
3.3V
3
SCL
4
SDA
5
GND
6
GPIO1
7
IF_N
10
TH1
11 8
12 TH2 IF_P
TH3
13 9
TH4 IF_AGC
TU101
LC Filter for LOW IF
IFN
IFP
TPN10.1E LA 10.
POWER
SW1
3 1
4 2
DV33SB
NC/SW
----><----|
R4521
3.9K 1%
Key1
100R 1%
C4501
100N16V
DV33SB
FB451
600R
C4505
100N16V CN401
1
TP404
2
TP405
3
TP406
4
TP407
5
TP408
Key1 6
TP409
7
TP410
CONN
TUN3V3
U101
TUN_SCL G1117-33T63Uf
2 3
VO VI
TUN_SDA
C1510 C1508
22UF
100N16V
C1507
100N16V
IFN
IFP
R1507
IF_AGC_T 0R05 1/16W IF_AGC
C1509
100N16V
DV33
TUN_DIF-
R1501 R1503
1K2 OHM 1K2 OHM
TUN_SDA
R1504 22R 1/16W 5%
TUN_DIF+ TUN_SCL R1502 22R 1/16W 5%
EN 105
Backlight ON/OFF Control
BackLight_SW:
BackLight on: Low
BackLight off: High
BL_ON/OFF
Backlight Brightness Control
FB151
+5V_SW
220R
1 2
BL_DIM(PWM for Bright_Adj):
Max: 0V
C1506
Min: +3V3
10uF 16V
BL_DIMMING
TUNER_SDA
TUNER_SCL
back to
2013-Oct-18
div.table
PWR_12V
PWR_12V 4,5,16
+5V_STB
+5V_STB 4,5
+5V_SW
+5V_SW 4,5,7,10,13
DV33
DV33 4,6,8,9,10,11,13,14,16
DV15
DV15 4,12
DV11
DV11 4,14
DV33SB
DV33SB 4,5,7,11,14,16
GND
GND 4,5,6,7,8,9,10,11,12,13,14,16
GPIO
KEY_ADC0
INT_IR
LED_R
BL_ON/OFF
STB CONTORL
BL_DIMMING
To power board
BRIGHT_ADJ
INVERTER_ON_OFF
Tuner
TUN_DIF-
TUN_DIF+
TUNER_SDA
TUNER_SCL
IF_AGC
R4502
100R 1/16W 5% INVERTER_ON_OFF
R4519
10K 1/16W 5%
R4503
BRIGHT_ADJ
100R 1/16W 5%
R4511
10K 1/16W 5%
IR/KEY/Tuner
B12
KEY_ADC0 11
INT_IR 11
LED_R 11
BL_ON/OFF 11
BL_DIMMING 13
BRIGHT_ADJ 4
INVERTER_ON_OFF 4
TUN_DIF- 8
TUN_DIF+ 8
TUNER_SDA 13
TUNER_SCL 13
IF_AGC 8
1 2013-06-11
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