Sony SS-EC719iP Manual de servicio - Página 21
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5-3.
SCHEMATIC DIAGRAM - MAIN Board (1/7) -
1
2
MAIN BOARD
(1/7)
A
POWER INPUT
C1
C1
1
1
2
2
3
3
4
5PIN/2.0mm
5PIN/2.0mm
4
5
R770
R770
1K
1K
5
XP20
XP20
C768
C768
NC/1uF/16V/Y5V
NC/1uF/16V/Y5V
B
1
1
2
2
3
3
4
4
GND_1
GND_1
5
5
6
6
XP1
XP1
6PIN/2.0mm
6PIN/2.0mm
U2
U2
LDO_G9091-330T11U
LDO_G9091-330T11U
STB_5V
R8
R8
0
0
1
VIN
close to DC/DC
C16
C16
C
2
GND
2.2uF/10V/Y5V
2.2uF/10V/Y5V
3
EN
STB_5V STB_3.3V
D
E
36V_MAIN
FB27
FB27
120/2A
120/2A
F
HCD-EC719iP/EC919iP
3
4
36V_MAIN_1
36V_MAIN_1
36V_MAIN
FB2
FB2
120/2A
120/2A
PCON
C4
C4
POWER_FRQ
0.1uF/50V/X7R
0.1uF/50V/X7R
C767
C767
1uF/16V/Y5V
1uF/16V/Y5V
36V
1
+12V
2
36V_1
36V_1
R3
R3
C10
C10
C764
C764
100K
100K
7
0.1uF/50V/Y5V
0.1uF/50V/Y5V
10uF/16V/X7R
10uF/16V/X7R
add C764
C13
C13
0.1uF/25V/Y5V
0.1uF/25V/Y5V
R4
R4
NC/47K
NC/47K
C15
C15
0.1uF/25V/Y5V
0.1uF/25V/Y5V
STB_3.3V
5
VOUT
Q2
Q2
close to LDO
C17
C17
P_AP2305
P_AP2305
+12V
4.7uF/16V/Y5V
4.7uF/16V/Y5V
FB5
FB5
S
D
4
NC
R11
R11
C19
C19
47K
47K
0.1uF/25V/Y5V
0.1uF/25V/Y5V
R13
R13
47K
47K
R15
R15
4.7K
4.7K
Q4
Q4
POWER_EN
NPN_3DG3904M
NPN_3DG3904M
C21
C21
R17
R17
10K
10K
POWER_EN
POWER CONTROL VFD12V
VOUT=0.92*(R2+R3)/R3=0.92*(120+10)/10=11.96V
L2
L2
33uH/3A
33uH/3A
U4
U4
EUP3453
EUP3453
C145
C145
D606
D606
R165
R165
R769
R769
R166
R166
1
6
5K
5K
120K/1%
120K/1%
120K/1%
120K/1%
BS
COMP
C763
C763
10uF/16V/X7R
10uF/16V/X7R
IN
GND
2
4
add C763
+ +
CE18
CE18
R18
R18
R162
R162
22uF/50V
22uF/50V
R27
R27
R97
R97
200K
200K
10K
10K
10K/1%
10K/1%
10K/1%
10K/1%
R768
R768
2
2
28V 12V
5
6
BAT54S
BAT54S
D1
D1
1
C24
C24
0.1uF/50V/X7R
0.1uF/50V/X7R
3
C27
C27
2
C26
C26
1
22uF/50V
22uF/50V
C25
C25
0.1uF/50V/X7R
0.1uF/50V/X7R
3
2
R22
R22
2.2
2.2
D2
D2
BAT54S
BAT54S
C3
C3
0.01uF/25V/Y5V
0.01uF/25V/Y5V
U1
U1
AS5430A
AS5430A
STB_5V
L1
L1
6.8uH/2.4A
6.8uH/2.4A
3
FB3
FB3
10/2A
10/2A
SW
BS
FB6
FB6
10/2A
10/2A
0.923V
5
add FB6
+ +
IN
FB
R2
R2
CE1
CE1
C6
C6
49.9K/1%
49.9K/1%
100uF/16V
100uF/16V
0.1uF/25V/Y5V
0.1uF/25V/Y5V
6
EN
COMP
C14
C14
R5
R5
R6
R6
10K/1%
10K/1%
6.8K
6.8K
R7
R7
C12
C12
620
620
3900pF/50V/X7R
3900pF/50V/X7R
0.923*(1+49.9K/11K)=5.11
STB_5V
V_12V
120/2A
120/2A
C18
C18
R9
R9
0.1uF/25V/Y5V
0.1uF/25V/Y5V
100K
100K
Q755
Q755
36V_MAIN
FM_36V
PNP_3CG3906M
PNP_3CG3906M
FB7
FB7
120/2A
120/2A
R12 4.7K
R12 4.7K
POWER_EN
C23
C23
R26
R26
47K
47K
R14
R14
10K
10K
R16
R16
47K
47K
R28
R28
4.7K
4.7K
Q12
Q12
NPN_3DG3904M
NPN_3DG3904M
POWER CONTROL 5V
C22
C22
R24
R24
10K
10K
VCC_D
R19
R19
SYSTEM 3.3V & 1.2V
1.8/2W
1.8/2W
STANDBY:40mA
Imax: 570mA
R21
R21
5.6/1W
5.6/1W
+12V
STANDBY:25mA
Imax: 368mA
Q5
Q5
TR_B1
TR_B1
PNP_3CA8550D
PNP_3CA8550D
CE3
CE3
+ +
C146
C146
+ +
R23
R23
CE5
CE5
0.1uF/50V/Y5V
0.1uF/50V/Y5V
20K/1%
20K/1%
100uF/16V
100uF/16V
220uF/16V
220uF/16V
REGO1
REGO1
R25
R25
12K/1%
12K/1%
19
19
7
8
-24V
Q10
Q10
AMP_36V
R20
R20
0
0
P_AP9561AGM
P_AP9561AGM
36V
8
1
7
2
6
C5
C5
CE2
CE2
3
5
C33
C33
C234
C234
R263
R263
R264
R264
R168
R168
2.2
2.2
10K
10K
10K
10K
1uF/50V/Y5V
1uF/50V/Y5V
28GBB0105-ZFX-M
R169
R169
47K
47K
R167
R167
4.7K
4.7K
Q16
Q16
PCON
NPN_3DG3904M
NPN_3DG3904M
C32
C32
R29
R29
10K
10K
POWER CONTROL AMP_36V
Q1
Q1
M+5V
P_AP2305
P_AP2305
VCC_D
V_12V
FB4
FB4
120/2A
120/2A
S
D
ZD751
ZD751
BZX79C27
BZX79C27
R762
R762
4.7K
4.7K
Q3
Q3
NPN_3DG3904M
NPN_3DG3904M
-24V
C20
C20
Q754
Q754
NPN_3DG3904M
NPN_3DG3904M
R510
R510
NC/0
NC/0
POWER CONTROL VFD_-24V
STANDBY:15mA
Imax: 202mA
8104 kernel +1.2V
DVCC3
VC12
Q6
Q6
TR_B2
TP1
TP1
PNP_3CA8550D
PNP_3CA8550D
TP2
TP2
VC12
CE4
CE4
C30
C30
REGO2
C31
C31
+ +
REGO2
0.1uF/50V/X7R
0.1uF/50V/X7R
100uF/16V
100uF/16V
0.1uF/50V/X7R
0.1uF/50V/X7R
HCD-EC719iP/EC919iP
9
V_-24V