Schematic Diagram - Main Board (1/7) - Sony HT-CT260H Service Manual

3-4.

SCHEMATIC DIAGRAM - MAIN Board (1/7) -

1
MAIN BOARD
A
POWER IN
10
10
9
9
8
8
7
7
6
6
5
B 5
4
4
3
3
2
2
1
1
10PIN/2.0mm 10PIN/2.0mm
XP10 XP10
STB+5V
U712 U712
1
VIN VOUT
2
GND
3
EN
C
C66 C66
+ +
C983 C983
LDO_G9091-330T11U LDO_G9091-330T11U
22uF/16V 22uF/16V
0.1uF/25V/Y5V 0.1uF/25V/Y5V
D
STB+5V
E
FB30 FB30
500/800mA 500/800mA
C390 C390
F
HT-CT260H
2 3
(1/7)
VCC
FB23 FB23
+25.5V
C83 C83
C12 C12
0.1uF/50V/Y5V 0.1uF/50V/Y5V
1000pF/50V/X7R 1000pF/50V/X7R
+25V
C86 C86
0.1uF/50V/Y5V 0.1uF/50V/Y5V
+3.3V_STB
FB24 FB24 500/800mA 500/800mA
5
C981 C981
4
NC
C151 C151
0.1uF/25V/Y5V 0.1uF/25V/Y5V
STB+5V
S
R829 R829
C59 C59
100K 100K 0.1uF/25V/Y5V 0.1uF/25V/Y5V
R827 R827
10K 10K
R825 R825
POWER_ON/OFF Q7 Q7
POWER_ON/OFF
NPN_3DG3904M NPN_3DG3904M
10K 10K
R836 R836
10K 10K
U17 U17
450MA
G5725 G5725 L18 L18
4 3 2.2uH 2.2uH FB29 FB29
VIN LX
R220 R220
R1548 R1548
1K 1K
C986 C986 C391 C391
1 5 51K 51K
EN VFB
R230 R230
15K/1% 15K/1%
0.6*(30+15)/15=1.80V
4 5
+12V
ZD752 ZD752
BZV55C5V1 BZV55C5V1
A+5V
500/800mA 500/800mA
ZD751 ZD751
ZMM27/27V ZMM27/27V
R762 R762
4.7K 4.7K
-24V
M-24V
Q754 Q754
NPN_3DG3904M NPN_3DG3904M
VCC
Q6 Q6
P_AP2305 P_AP2305
D
C58 C58
0.1uF/25V/Y5V 0.1uF/25V/Y5V
+25V
FB502 FB502
HD+2.1V
FB80@100MHz FB80@100MHz
500/800mA 500/800mA
19 19
6 7
VCC12V
Q224 Q224
PNP_3CG3906M PNP_3CG3906M
C4 C4
R23 R23
0.1uF/25V/Y5V 0.1uF/25V/Y5V
22K 22K
R720 R720
1K 1K
R58 R58
VCC
Q3 Q3
NPN_3DG3904M NPN_3DG3904M
10K 10K
PCON L: POWER OFF R57 R57
H: POWER ON
10K 10K
VCC
C985 C985
R104 R104 47 47
C191 0.1uF/50V/X7R C191 0.1uF/50V/X7R 3
D16 D16
C188 C188 BAT54S BAT54S
NC/100pF/50V/NP0 NC/100pF/50V/NP0
U2 U2
EUP3482 EUP3482
INDUCTOR_3P L532 INDUCTOR_3P
0.01uF/50V/Y5V 0.01uF/50V/Y5V 1
C540 C540
1 6
BS COMP
C537 C537
2 4 NC NC
C545 C545
IN GND
3300pF/50V/X7R 3300pF/50V/X7R
R837 R837
10K 10K
C551 C551 C550 C550
CE612 CE612
+ +
NC NC R12 R12 R549 R549
7.5K 7.5K
0.1uF/50V/Y5V 0.1uF/50V/Y5V
NC NC
HT-CT260H
Ver. 1.1
8 9
+12V
+12V
C65 C65
0.1uF/25V/Y5V 0.1uF/25V/Y5V
DV33
U12 U12
CW1117-3.3V CW1117-3.3V
VCC 3 2 R1549 R1549 0 0 DV33
VI VO
4
VO
+ +
CE51 CE51
100uF/16V 100uF/16V
M-24V
R105 R105 47 47
C103 C103
1 CE13 CE13
C189 C189 0.1uF/25V/Y5V 0.1uF/25V/Y5V
22uF/50V 22uF/50V
0.1uF/25V/Y5V 0.1uF/25V/Y5V
2
D543 D543 VCC12V
L532 R552 2.2 R552 2.2
2
STB+5V
MBRX140/40V/1A MBRX140/40V/1A 0.1uF/50V/Y5V 0.1uF/50V/Y5V C566 C566
FB26 FB26
3
300/2A 300/2A
R560 R560
2K 2K CE542 CE542
470uF/16V 470uF/16V
+ + + +
680 680
CE540 CE540
C565 C565
R77 R77
47uF/16V 47uF/16V
ZD535 ZD535
R18 R18
NC NC
BZV85C12V BZV85C12V
11K 11K