Service Manuals, User Guides, Schematic Diagrams or docs for : Akai A A-4181 A-4181
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download A-4181 documenatation <<
Text preview - extract from the document
DVD PLAYER
Model:
A4181
SERVICE MANUAL
www.akai.ru
A B C D E
J1
D15 HER107
FL+
FL- 1
-25V 2
3
R51 1K8
CD16 + C21
CAUTION R50 1K8
RISK OF FIRE 100uF/35V 104
REPLACE FUSE AS MARKED R52 1K8 FB2 4.7uH
4 4
F2 CD24
D4 D23
+
F301 TIAL 250V 30mH IN4007 IN4007 R5 10R 220uF/16V
D21 DW3 12V 1W
C3 C2
6.2V 1W
104/250V NC D20 D24
IN4007 IN4007 C1
+ D26 HER107
CD4 R15 103/1KV R4
22UF/400V 220K/0.5W 56K/1W CD21
CON4
+
100UF/35V
AC D+5V
T1 DGND 1
2 + + 1 2
R39 DVD-5201 +12V
D1 C17 -12V 3
4 5 F+
4
AC INPUT 220K/0.5W
HER107 101/1KV
8
7
6
5
6 F-
7 -23.5V
5M02659R U1
D25 HER107 R55 10R
3 8 +12V
1
2
3
4
CD20 CD25
3 AC220V/50HZ SW1 220uF/16V NC 3
+ +
3.3mH
9 GND CON6
MUTE
C20 101 L3 10uH DGND 1
2 2
D+5V
D8 HER107 R3 10R 3V3 3
CD22 C22 3V3 4
D17 SR303 470uF/10V 104 DGND 5
C19 C21 +5V 6
10 5V + +
7
1 2200uF/10V DGND
104 +12V 8
-12V 9
10
R40 1K
IS1
PC817
R1 220R D12 IN5404
C13
R41 1K
+ CD19 C14 223 D10 IN5404
10UF/50V 104 R44 1K 3 2
2 IN OUT 2
G
3
C12 104
1
R42 4K7 U2
1 R46 R48
33K NC
Q6 NC
2
TL431
R43
Q1
C15 102/400V 4k7 + CD23
9015
R45 220uF/10V
Q2 220R R49
NC
9015
+
CD11
470uF/10V
1 1
AKAI DV-P4795KDSM
Title
Power Circuit Diagram
Size Document Number Rev
A3
2.01
Date: Thursday, January 06, 2005 Sheet 1 of 1
A B C D E
5 4 3 2 1
MR89EM6-11.1
MT1389E DVD Demo Board for SANYO HD60 PUH
D
1 INDEX & POWER, RESET D
2 RF / SERVO /MPEG - MT1389D
3 MEMORY - SDRAM, FLASH/EEPROM
4 VIDEO FILTER
5 AUDIO FILTER
NAME TYPE DEVICE
VCC Digital 5V SUPPLY
DV33 Digital 3.3V MT1389E
RFV33 Servo 3.3V MT1389E
LDO_AV33 Laser Diode 3.3V
AVCC RF 5V PICKUP HEADER
V18 Digital 1.8V MT1389E
SD33 Digital 3.3V SDRAM
+12V Audio +12V OP AMP.
C
-12V Audio -12V OP AMP. C
AVDD Audio 5V Audio DAC
DVDD Audio 5V Audio DAC
L1 FB 0805 L2 FB 0805
3.3V V33 DV33
+ DV33
-12V +12V
C1 C2 L3 L4 DV33
U10 0.1u 220u
+P5V -P12V +P12V
3 IN OUT 2
4 FB 0805 FB 0805 URST#
VR URST# [ 2 ]
2
1 C5 C3 C6 + C4
GND +
V18
220u V18 [2]
0.1u 0.1u 220u R1
AZ1117H-3.3 NC U12 L5 FB 0805 D1 10k DV33
DV33 [ 2,3,4 ]
3 2 V18 1N4148
IN OUT + V18 VCC
1
VR 4 VCC [ 2,3,4 ]
1 C7 C8 URST#
CN1 GND 0.1u 220u C9 AVCC
MICIN AVCC [2]
R2 C10 0.1u
1 -P12V AZ1117H-1.8 NC NC + LDO_AV33
2 LDO_AV33 [2]
C11
3 +P12V 10u RFV33
B 4 RFV33 [2] B
5 +5VA VCC_AUDIO
6 VCC_AUDIO [4]
7 +P5V R3 +12V
8 +12V [4]
3.3V NC
9 Regulator R3 R2 -12V
-12V [4]
9P 2.5 mm
MICIN
Fix regulator 0 ohm OFF VCC
MICIN [2]
L7 FB 0805 U15 GND
+P5V VCC GND [ 2,3,4 ]
Adj regulator AAT3522 NC
300 1% 680 1% +C14 1
C13 220u URST# GND
2 REST
CN2 0.1u DV33 3 VDD
MICIN
1
2 +P12V
3 +5VA AVCC
4 V33 L10 FB 0805 VCC_AUDIO
AVCC
4P 2.5 mm RFV33 L8
L6 +5VA VCC_AUDIO
V33 +5VA
RFV33
FB 0805
FB 0805 C17 + C16
+ C12
C15 220u 0.1u 220u
0.1u
LDO_AV33
L9
LDO_AV33
FB 0805
+ C18
C19 220u
0.1u
A GND A
MediaTek Incorporation
Title
COMMON89D_HD60_V3
Size Document Number Rev
C POWER & RESET 1.0
Date: Tuesday, February 22, 2005 Sheet 1 of 5
5 4 3 2 1
5 4 3 2 1
L12 JITFO C20 390p JITFN R4 L11 DV33
RFV33 RFVDD3 DV33 0 FB 0805
RFV33
V1P4
L13
0.1u
R5 750k APLLVDD3
C21 2200p C22 FB 0805 C25 C26 C27 DACVDD3
NC
100k
FB 0805 C24 + C23
20p
C28
R6 680k OPO ADIN 0.1u 0.01u 2200p C30 + C29
0.1u 10u
OP- C33 C34 C158 C159 0.1u 10u
NC
+ +
15k
C31
OP+ C32 10u 1500p 10u 0.1u U1A
R8
1000p
+
R13 10u L14 2.7uH,NC
0.1u
R9 R10 R11 6.8 1 2
XO
◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo