Schematic Diagram - Front Board - Sony HT-XT100 Service Manual

4-16. SCHEMATIC DIAGRAM - FRONT Board -

1 2
FRONT BOARD
A
STB_3V3
R11 R11
C3 C3
0.1uF 0.1uF
100 100
B
BT_STATUS R10 R10 4.7K 4.7K Q13 Q13
NPN_3DG3904M NPN_3DG3904M
LED1 LED1
LED_BLUE LED_BLUE
C
IR1 IR1
IR
GND
VCC
GND
GND
IRM_14mm IRM_14mm
D
CONNECT MAIN BD
XP14 XP14
16 FB26 FB26 75/1A 75/1A
16
15
15
14 FB15 FB15 500/500mA 500/500mA
14
13
13
12 R70 R70 33 33
12
11 R73 R73 33 33
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
E
16PIN/1.0mm 16PIN/1.0mm
F
HT-XT100
• See page 33 for IC Block Diagrams.
3 4
BT_PAIR R76 R76 33 33
VOL- R77 R77 33 33
VOL+ R78 R78 33 33
KEY_POWER R79 R79 33 33
KEY_SOURCE R80 R80 33 33
NFC_INT R81 R81 33 33
STB_3V3
R8 R8
10K 10K
STB_3V3
1 IR
2
3 R9 R9 100 100
4
5
C4 C4
47pF/50V/NP0 47pF/50V/NP0
SYS_5V
R82 R82 R83 R83
NC/10K NC/10K NC/10K NC/10K
SYS_5V
STB_3V3
LED_SCL
LED_SDA
R75 R75 33 33 BT_STATUS
BT_PAIR
KEY_POWER
VOL+
VOL-
KEY_SOURCE
NFC_INT1
R74 R74 33 33 IR
5 6
NFC
1
1
2
2
3
3
4
4
5 R1 R1 0 0
5
6
6
7
7
8
8
XP15 XP15
8PIN/1.0mm 8PIN/1.0mm
R5 R5
0 0 NFC_INT
DP DP
R2 R2
0 0
D_ D_
R4 R4
0 0
COM2 COM2
U2 U2
DIG1 20 1 E
DIG1 E
DIG2 19 2 M
DIG2 M
K 18 3 C
K C
F 17 4 H
F H
16 5
DIG3 L
DIG3 L
15 6
J G2
J G2
B 14 7 DP
B DP1
G1 13 8 N
G1 N
DIG4 12 9 D_
DIG4 D
A 11 10 DIG5
A DIG5
LED LED
ROW0 A
ROW1 B
SYS_5V
ROW2 C
ROW3 D_
ROW4 E
ROW5 F
ROW6 G1
ROW7 G2
ROW8 H
ROW9 J
ROW10 K
ROW11 L
ROW12 M COM0
ROW13 N COM1
ROW14 DP COM2
COM3
COM4
U1 U1
1 28 COM4
SEG5 SEG4
2 27
COM3
SEG6 SEG3
3 26 COM2
SEG7 SEG2
ROW0 4 25
DIG0 VCC
ROW1 5 24 COM1
DIG1 SEG1
ROW2 6 23 COM0
DIG2 SEG0
ROW3 7 22
DIG3 DIG15
ROW4 8 21 ROW14
DIG4 DIG14
LED_SCL 9 20 ROW13
SCL DIG13
LED_SDA 10 19 ROW12
SDA DIG12
11 18 ROW11
GND DIG11
ROW5 12 17 ROW10
DIG5 DIG10
ROW6 13 16 ROW9
DIG6 DIG9
ROW7 14 15 ROW8
DIG7 DIG8
ET6240 ET6240
31 31
7 8
STB_3V3
R225 R225
4.7K 4.7K
R244 R244 20K 20K
NFC_INT1
R243 R243
20K 20K
NPN_3DG3904M NPN_3DG3904M
C289 C289 NFC R242 R242 100K 100K
Q12 Q12
47pF/50V/NP0 47pF/50V/NP0
C292 C292 R245 R245
100K 100K
100pF/50V/NP0 100pF/50V/NP0
DIG5
DIG4
DIG3
DIG2
DIG1
SYS_5V
HT-XT100