Read Sony HCD-EC719IP / HCD-EC919IP Service Manual online
HCD-EC719iP/EC919iP
HCD-EC719iP/EC919iP
19
19
5-3. SCHEMATIC DIAGRAM - MAIN Board (1/7) -
A
3
8
6
E
2
9
D
5
B
C
7
1
4
F
(1/7)
MAIN BOARD
0.923*(1+49.9K/11K)=5.11
add FB6
add C764
add C763
28GBB0105-ZFX-M
REGO1
TR_B1
REGO2
REGO2
TR_B2
TR_B1
REGO1
POWER_EN
POWER_EN
POWER_FRQ
VC12
PCON
POWER_EN
PCON
22uF/
10V/
Y
Y
5V
22uF/
10V/
Y
5V
STANDBY:40mA
Imax: 570mA
Imax: 570mA
STANDBY:25mA
Imax: 368mA
Imax: 368mA
STANDBY:15mA
Imax: 202mA
Imax: 202mA
POWER CONTROL 5V
POWER CONTROL VFD12V
SYSTEM 3.3V & 1.2V
POWER INPUT
STB_5V
ĺSTB_3.3V
0.923V
POWER CONTROL AMP_36V
28V
ĺ12V
VOUT=0.92*(R2+R3)/R3=0.92*(120+10)/10=11.96V
POWER CONTROL VFD_-24V
STB_5V
STB_5V
STB_3.3V
36V_MAIN
VCC_D
VCC_D
VC12
DVCC3
+12V
V_12V
36V
M+5V
STB_5V
+12V
-24V
36V
AMP_36V
36V_MAIN
+12V
V_12V
-24V
V_-24V
36V_MAIN
FM_36V
1
3
2
1
2
3
4
5
1
2
3
4
5
6
7
8
9
1
3
2
1
2
3
5
6
4
8
7
1
2
3
4
5
1
2
3
4
5
6
4
1
2
3
8
7
6
5
L1
6.8uH/2.4A
L1
6.8uH/2.4A
R510
NC/0
R510
NC/0
C
193
1uF/
50V/
Y
5V
C
193
1uF/
50V/
Y
5V
R19
1.8/2W
R19
1.8/2W
R162
200K
200K
R162
200K
200K
C14
C14
R24
10K
10K
R24
10K
10K
C146
0.1uF/50V/Y5V
C146
0.1uF/50V/Y5V
C18
0.1uF/25V/Y5V
C18
0.1uF/25V/Y5V
D2
BAT54S
D2
BAT54S
C6
0.1uF/25V/Y5V
C6
0.1uF/25V/Y5V
R169
47K
R169
47K
C4
0.1uF/50V/X7R
C4
0.1uF/50V/X7R
22uF/50V
CE18
22uF/50V
22uF/50V
CE18
TP2
TP2
Q3
NPN_3DG3904M
Q3
NPN_3DG3904M
C10
0.1uF/50V/Y5V
C10
0.1uF/50V/Y5V
R16
47K
47K
R16
47K
47K
Q4
NPN_3DG3904M
Q4
NPN_3DG3904M
C768
NC/1uF/16V/Y5V
C768
NC/1uF/16V/Y5V
GND_1
GND_1
Q754
NPN_3DG3904M
Q754
NPN_3DG3904M
R769
5K
5K
R769
5K
5K
R14
10K
10K
R14
10K
10K
C
233
0.
1uF/
50V/
X
7R
C
233
0.
1uF/
50V/
X
7R
C1
100pF/
50V/
N
P
0
C1
100pF/
50V/
N
P
0
R168
10K
10K
R168
10K
10K
C17
4.7uF/16V/Y5V
C17
4.7uF/16V/Y5V
FB6
10/2A
FB6
10/2A
C32
0.
1uF/
25V/
Y5V
C32
0.
1uF/
25V/
Y5V
R3
100K
R3
100K
Q12
NPN_3DG3904M
Q12
NPN_3DG3904M
Q5
PNP_3CA8550D
Q5
PNP_3CA8550D
C764
10uF/16V/X7R
C764
10uF/16V/X7R
C5
0.
1uF/
50V/
X7R
C5
0.
1uF/
50V/
X7R
U2
LDO_G9091-330T11U
U2
LDO_G9091-330T11U
100uF/16V
CE4
100uF/16V
CE4
ZD751
BZX79C27
BZX79C27
ZD751
BZX79C27
BZX79C27
R165
120K/1%
R165
120K/1%
FB5
120/2A
FB5
120/2A
C27 0.
1uF/
50V/
X7R
C27 0.
1uF/
50V/
X7R
C22
0.
1uF/
25V/
Y
5V
C22
0.
1uF/
25V/
Y
5V
R5
10K/1%
R5
10K/1%
R9
100K
100K
R9
100K
100K
C16
2.2uF/10V/Y5V
C16
2.2uF/10V/Y5V
R23
20K/1%
20K/1%
R23
20K/1%
20K/1%
R762
4.7K
4.7K
R762
4.7K
4.7K
R167
4.7K
4.7K
R167
4.7K
4.7K
U1
AS5430A
U1
AS5430A
D1
BAT54S
D1
BAT54S
R25
12K/1%
R25
12K/1%
R7
620
R7
620
R11
47K
R11
47K
100uF/16V
CE3
100uF/16V
CE3
R264
10K
10K
R264
10K
10K
R27
10K/1%
R27
10K/1%
100uF/16V
CE1
100uF/16V
CE1
R4
NC/47K
NC/47K
R4
NC/47K
NC/47K
C26 0.
1uF/
50V/
X7R
C26 0.
1uF/
50V/
X7R
R29
10K
10K
R29
10K
10K
R26
47K
47K
R26
47K
47K
R20
0
R20
0
U4
EUP3453
U4
EUP3453
R17
10K
10K
R17
10K
10K
C15
0.1uF/25V/Y5V
C15
0.1uF/25V/Y5V
C763
10uF/16V/X7R
C763
10uF/16V/X7R
R21
5.6/1W
R21
5.6/1W
36V_1
36V_1
FB2
120/2A
FB2
120/2A
Q16
NPN_3DG3904M
Q16
NPN_3DG3904M
C19
0.1uF/25V/Y5V
C19
0.1uF/25V/Y5V
R28
4.7K
R28
4.7K
22uF/50V
CE2
22uF/50V
CE2
XP20
5PIN/2.0mm
XP20
5PIN/2.0mm
R22
2.2
2.2
R22
2.2
2.2
C2
9
1000pF/
50V/
X
7R
C2
9
1000pF/
50V/
X
7R
FB7
120/2A
FB7
120/2A
FB3
10/2A
FB3
10/2A
C25
0.1uF/50V/X7R
C25
0.1uF/50V/X7R
R8
0
R8
0
C12
3900pF/50V/X7R
C12
3900pF/50V/X7R
C21
0.
1uF/
25V/
Y
5V
C21
0.
1uF/
25V/
Y
5V
TP1
TP1
R770
1K
R770
1K
R166
120K/1%
R166
120K/1%
Q6
PNP_3CA8550D
Q6
PNP_3CA8550D
C23
0.
1uF/
50V/
X7R
C23
0.
1uF/
50V/
X7R
C3
0.01uF/25V/Y5V
C3
0.01uF/25V/Y5V
R18
10K
R18
10K
XP1
6PIN/2.0mm
6PIN/2.0mm
XP1
6PIN/2.0mm
6PIN/2.0mm
Q10
P_AP9561AGM
Q10
P_AP9561AGM
R13
47K
R13
47K
R768
2
R768
2
FB27
120/2A
FB27
120/2A
R6
6.8K
6.8K
R6
6.8K
6.8K
D606
SS24/
40V/
2A
D606
SS24/
40V/
2A
C767
1uF/16V/Y5V
C767
1uF/16V/Y5V
FB4
120/2A
FB4
120/2A
R15
4.7K
R15
4.7K
Q2
P_AP2305
Q2
P_AP2305
R263
2.2
R263
2.2
Q1
P_AP2305
Q1
P_AP2305
R97
10K/1%
R97
10K/1%
CE5
220uF/16V
220uF/16V
CE5
220uF/16V
220uF/16V
C145
0.
01uF/
50V/
X
7R
C145
0.
01uF/
50V/
X
7R
C31
0.1uF/50V/X7R
C31
0.1uF/50V/X7R
C24
0.1uF/50V/X7R
C24
0.1uF/50V/X7R
C234
1uF/50V/Y5V
C234
1uF/50V/Y5V
R12 4.7K
R12 4.7K
C13
0.1uF/25V/Y5V
C13
0.1uF/25V/Y5V
C30
0.1uF/50V/X7R
C30
0.1uF/50V/X7R
Q755
PNP_3CG3906M
Q755
PNP_3CG3906M
C20
0.
1uF/
25V/
Y
5V
C20
0.
1uF/
25V/
Y
5V
R2
49.9K/1%
R2
49.9K/1%
C33 0.
1uF/
50V/
X
7R
C33 0.
1uF/
50V/
X
7R
L2
33uH/3A
L2
33uH/3A
36V_MAIN_1
36V_MAIN_1
8104 kernel +1.2V
+
+
+
+
+
+
+
+
+ +
+
+
VIN
GND
EN
NC
VOUT
BS
IN
SW
GND
FB
COMP
EN
SS
GND
BS
IN
SW
FB
COMP
GND
OVEN
OCSET
1
2
3
4
5
1
2
3
4
5
6
G
D
S
G
D
S
close to DC/DC
close to LDO
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