Jensen Audio DV-7780, Service Manual

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SHEET: 8 / 9
CODE NO:
Foryou General Electronics Co., Ltd.
A
APPROVED BY TECHNICS BY CHECKED BY DRAWN BY
MODEL NO
DESCRIPTION
APP SGN
1
DESCRIPTION
2
REF NO
5
4
3
2
1
3
MARKS
CH
AN
G
E
4 5 6
D
C
B
2-4 mm
MAX 0.1A
MAX 0.1A
MAX 0.4A
280mA
13mA
DV-7780
(DPAK)
115mA
MAX 0.03A
MAX 0.06A
MAX 0.2A
进出仓
100mA,LOAD
启动
300mA
0.2mA
MAX 0.02A
SUPPLY
MAX 0.05A
MAX 0.1A
100mA
MAX 0.3A
注意散热
MAX 0.6A
MAX 0.2A
MAX 2.6A
5.45V
PWM?
51KHz
123015020357
LVBO
SCH REVISION:V03 PCB REVISION:V03
MAX 920mA+VBUS
USB 30mA-1A
VPP160mV
5.1V
L111
33uH/CDH74/1.1A
C113
104
C375
106/16V/1206
C362
105
L112
47uH/2.0A/CDRH105R
C152
105
C201
105
EC101
4700uF/16V
J106
J107
R251
4k7/1206
R250
4k7/1206
D104
IN4001
D101
IN4004
3
IN
2
VSS
1
OUT
U114
XC6202P502PR(S0T-89)
EC102
4700uF/16V
C212
104/50V/X7R
3
1
2
U136
LD1117-3.3(S0T-223)
C105
105
3
1
2
U134
LD1117-1.8(S0T-223)
T
P
1
3
1
TP107
TP106
E
B
C
Q107
KTC4375Y
D132
IN4001
D131
IN4001
C205
104
J104
C363
106/16V/1206
C374
105
D100
1N5404
R226
4k7/1206 J101
D114
RB055L-40
L115
47uH/2.0A/CDH105R
C209
105
C208
106/25V
C193
106/16V/1206
ZD105
18V
G
S
D
M106
AO3401
R246
180k
R243
4k7
E
B
C
Q101
KRC402
1
IN
2
G
N
D
3
OUT
U101
78M08
C104
105
C108
104
G
S
D
M101
AO3401
R109
180k
R108
4k7
E
B
C
Q102
KRC402
G
S
D
M109
AO3401
R465
180k
R477
4k7
E
B
C
Q133
KRC402
C233
105
T
P
1
1
2
C115
105
C103
105
TP124
C381
105
Q109
KTD1624C
C215
105
R233
1k
C214
103
1
2
CN108
CON2P-SMD
ZD106
12V C211
103
EC103
100uF/16V
1
OUT
2
G
N
D
3
IN
U146 78L12/SOT-89
D112 RB551
C454
105
C461
104
G
S
D
M105
AO3401
R228
180k
R227
4k7
E
B
C
Q108
KRC402
G
S
D
M111
AO3401
R485
180k
R488
4k7
E
B
C
Q136
KRC402
C181
106/16V/1206
C388
105
C146
105
L107
22uH/CD32
1
IN
2
G
N
D
3
OUT
U119
78M08/DPAK
C101
105
C116
104
D116
4148S
EC147
100uF/16V
C392
106/16V/1206
J105
C207
105/25V/X7R
D106 4148S
TP27
TP83
L116
22uH/CD32
EC143
4
7
0
u
F/
1
6
V
C336
1
0
6
/2
5
V
P14V
C20
106/16V/1206
R105
180k
R106
4k7
1 S
2
3
4 G 5 D
6
7
8
M100
IRF7205
TP116
E
B
C
Q100
KRC402
R556
0
.3
3
R
/1
2
0
6
/N
C
R557
0
.3
3
R
/1
2
0
6
/N
C
R558
0R/
1206
G
S
D
M3
AO3401
R78
180k
R135
4k7
E
B
C
Q11
KRC402
1
5
3
4
2
U404
CM2576T-5.0
C8
104
R65 10R
J1
EC11
100uF/16V
EC16
100uF/16V
EC17
220uF/16V
EC18
470uF/16V
EC19
47uF/16V
FU2
1206(200mA)
FU3
1206(200mA)
1
OUT
2
G
N
D
3
IN
U9
78L05/SOT-89
D
5
4
1
4
8
S
R247
7
k5
(1
%
)
R255
2
k2
(1
%
)
R256
180K
R257 4K7
E
B
C
Q142
KRC402
C129
470pF
TP79
G
S
D
M1
AO3401
R294
4
.7
k
E
B
C
Q3
KRC402/NC
R75 2R
EC31
10uF/25V
R338
1
8
0
R
D13
IN4148/NC
D14
IN4148/NC
D8
RB050L-40/NC
D7 RB050L-40
DGND
DGND
B5V
B+
AGND
PGND
D5V
[9]
P.CNTR
[9]
P.ANT
DGND
DGND
DGND
DGND
DGND
DGND
DSPVCC18
DGND
B+
GND
GND
DGND
M1-GND
GND
GND
GND
[7,8]
TUNER_CTL
DGND
DGND
TUGND
DGND
[7,8]
TUNER_CTL
DGND
[9]
SW_BT
DGND
[7,8]
TFT_ON
DGND
A9V
AGND
DGND
DGND
DGND
DGND
[7] UPD-CTL
DGND
DGND
S5V
TU5V
V5V
DGND
DGND
DGND
DGND
DGND
[7,8] TFT_ON
T5V
DGND
DGND
CCFL-GND
S3V3
TUGND
TU9V
VPP-12V
TUGND
DGND
D5V
MD5V
P14V-A
[7]
POWER_CTL
DGND
B+
HD_POWER
DGND
[7]
AMP_CTL
DGND
TUGND
GND
P14V
DGND
LED_PWR_5V
D5V
[7,
9]
IL
LU