Schematic Diagram - Main Board (1/7) - Sony MHC-EC619iP Service Manual

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