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DVD HOME THEATER SYSTEM
Model:
DVR4070VSMK
SERVICE MANUAL
www.akai.ru
5 4 3 2 1
MR89EM6-11.1
MT1389E DVD Demo Board for SONY 313/310 PUH
D
1 INDEX & POWER, RESET +12V
D
2 SERVO / MPEG - MT1389E 1 2
2
D1 1N4148
3 MEMORY - SDRAM, FLASH/EEPROM + VCC +12V
R1 C1
2
D2 6.8k 470u
4 AUDIO / VIDEO FILTER 1N4148 R2 2.2k
1
1
+ Q1
C2 3906 Q2 R3 R4
220u 8550
3
0(NC) 0
3 2
NAME TYPE DEVICE
D3 1N4148
VCC Digital 5V SUPPLY VCC 1 2
1
DV33 Digital 3.3V MT1389E +
R5
10k
RFV33 Servo 3.3V MT1389E
2
R6 10k C3
1 Q3 220u D4 1N4148
LDO_AV33 Laser Diode 3.3V VCC 3906 1 2
AVCC RF 5V PICKUP HEADER
3
V18 Digital 1.8V MT1389E R7 R8
R9 100k
SD33 Digital 3.3V SDRAM R10 4.7k 100k
2
4.7k +
+12V Audio +12V OP AMP. R11 10k 1 Q4 C4
3
3906 10u
-12V Audio -12V OP AMP. MUTE 1 Q5
3904 1 2 A_MUTE
3
C
AVDD Audio 5V Audio DAC D5 1N4148 C
2
DVDD Audio 5V Audio DAC -12V
R12 100k
PV33
L1 FB 0805 DV33
DV33
+ DV33
C5 C6 -12V +12V MUTE
L2 L3 MUTE
0.1u 220u
A_MUTE
-P12V +P12V A_MUTE
R13
FB 0805 FB 0805 + 10k URST#
URST#
C127 + C7 C136 + C8 C9
10u R14 NC V18
220u URST# V18
0.1u 0.1u 220u
DV33
R15 DV33
3
1 C12 VCC
VCC
CN1 100 Q6 0.1u AVCC
PV18 AVCC
2
7PIN 2.5mm 3904
2
L4 FB 0805 LDO_AV33
7 +PS5V LDO_AV33
V18 R16
B 6 + V18 RFV33 B
D6 10k
5 +5V RFV33
C13 C14 1N4148
4 +P12V 0.1u 220u C15
1
3 0.1u
2 -P12V +5V
1 +5V
+12V
+12V
-12V
-12V
L? MO_VCC
LDO_AV33 MO_VCC
GND
GND
PV33 FB 0805
RFV33
L6
PV33 RFV33
FB 0805
+
C19 C18
0.1u 220u
+5V
MO_VCC
L7 FB 0805
+5V MO_VCC
+ AVCC
C20 C21 L9 FB 0805
100u 0.1u AVCC
A A
MT1389E RECEIVER 5.1CH OUTPUT
AKAI
Title
INDEX
Size Document Number Rev
DV-R4070VSMK C
Date: Wednesday, March 01, 2006 Sheet 0 of 5
5 4 3 2 1
5 4 3 2 1
L10 JITFO C22 390p JITFN L11 DV33
RFV33 RFVDD3 DV33 FB 0805
RFV33 L12
V1P4
R17 750k APLLVDD3
0.1u
C23 2200p FB 0805 C24 C25 C26 DACVDD3
FB 0805 C30 + C28
100k
0.47u NC
R19 680k OPO ADIN 0.1u 0.01u 2200p C31 + C29
20p
C27
0.1u 10u
OP- L13 10u C33 + C34 C35 + C36 0.1u 10u
OP+ 100uH C37 10u 1500p 10u 0.1u
C32
15k
+
R25 L14 2.7uH,NC
1000p
R20
R21 R22 R23 6.8
0.1u
150k 150k C39 PLLVDD3 TP1 TP2 TP3 TP4
2200p 680k ALS AR AR SW
C38
V1P4 ADACVDD3 C42
R24
C40
XI
XO
CN2 ADACVDD3 1000p,NC
C41
D D
6P 2.0 + C43 C44 R28 100k
0.033u
0.047u
0.047u
RFVDD3
SP- R30 1 C46 100u
0.1u
SP+ 6 + 0.1u Y1
ADACVDD3
ADACVDD3
APLLVDD3
RFVDD3
5
DACVDD3
DACVDD3
AADVDD3
XI
ACENTER
LIMIT C45 6800PF XO
0.1u
PLLVDD3
RFVDD3
4
ASUBW
ADVCM
220u
ACVBS
AB/U/C
AR/V/Y
RFV18
AKIN1
AKIN2
3
JITFO
JITFN
AG/Y
SL-