Philips HTL4111B/12 Service Manual page 30

7-1
Front Control Board Circuit Diagram: IR
A
SYS_3V3
KEY_SOURCE 1
2
3
4
XP1 XP1
4PIN/1.0mm 4PIN/1.0mm
1
STB_3V3
R8 R8
10K 10K
IR1 IR1
1 IR
IR IR
2
GND
3 R9 R9
VCC
4
GND
5
GND
C4 C4
IRM_12mm IRM_12mm 47pF/50V/NP0 47pF/50V/NP0
2
audio in
3 MP3_R
3
2
2
1 MP3_L
1
XP3 XP3
3PIN/2.0mm 3PIN/2.0mm
A
XP4 XP4
CON_30P_4GNDS CON_30P_4GNDS 1
1
2
R17 R17 0 0
2
3 3
3
4
4
5
5
6 R20 R20 0 0
6
7 R22 R22 0 0
7
8
8
9
9
10
R27 R27 33 33
10
11 R28 R28 33 33
11
12
12
13
13
14 R23 R23 33 33
14
15
R31 R31 33 33
15
16 R25 R25 33 33
16
17 FB9 FB9 500/500mA 500/500mA
17
18
R48 R48 33 33
18
19 R47 R47 33 33
19
20 R46 R46 33 33
20
21 R45 R45 33 33
21
22 R43 R43 33 33
22
23
R44 R44 33 33
23
24 R32 R32 33 33
24
25
25
26
R33 R33 33 33
26
27
27
28 R41 R41 33 33
28
29
29
30 R42 R42 33 33
30
A
4
A
B
FROM NFC 2PIN
1
1 1
NFC 2
2 2
3
4
XP2 XP2
2PIN/1.25mm 2PIN/1.25mm
STB_3V3
100 100
R26 R26 33 33 NFC_1
SYS_5V
SYS_3V3
STB_3V3
R24 R24 33 33 KEY_SOURCE
LED_SCL
LED_SCL 9
LED_SDA
9
LED_SDA
R29 R29 33 33 VOL+
R30 R30 33 33 VOL-
LED_VOLUME
IR
KEY_POWER
AMP_VCC
PIO13 9
9
PIO11
PIO9 9
BT_STATUS
BT_AUDIO_EN
BT_RST 9
BT_R
BT_L
MP3_R
MP3_L
B
C D
STB_3V3
STB_3V3
R68 R68 33 33 NFC_1
PIO12
Q1 Q1
C30 C30
C1 C1
Q2 Q2
0.1uF/16V/X7R 0.1uF/16V/X7R N_ASM3402M N_ASM3402M
NFC
G
C2 C2
0.1uF/16V/X7R 0.1uF/16V/X7R
SYS_5V
PNP_3CG3906M PNP_3CG3906M
Q4 Q4
R10 R10 47K 47K
LED_VOLUME R15 R15 1K 1K Q5 Q5
LED_VOLUME
NPN_3DG3904M NPN_3DG3904M
VOL+ R18 R18 330 330
VOL- R21 R21 330 330
ZD1 ZD1
3.3HSA 3.3HSA
C D
7-1
E
STB_3V3
SYS_3V3
R6 R6 4.7K 4.7K
Q3 Q3
NPN_3DG3904M NPN_3DG3904M
LED1 LED1
LED_RED LED_RED
R11 R11 R12 R12 R13 R13
150 150 150 150 150 150
LED2 LED2 LED3 LED3 LED4 LED4
LED_WHITE LED_WHITE LED_WHITE LED_WHITE LED_WHITE LED_WHITE
SYS_3V3
STB_3V3
VR3 VR3
VR_7P VR_7P
1 7
5
KEY_POWER
2 6
E
1
2
3
4