Akira DVDK-2304-R Service manual
DVD Player
Service Manual
2
MODEL:
DVD-K2304R
Model: DVD-K2304R
Version: 1.0
3
CONTENTS
TECHNICAL SPECIFICATION.............................................................................................................. 4
CIRCUIT DIAGRAM..............................................................................................................................5
EXPLODED VIEW................................................................................................................................ 12
PART LIST.............................................................................................................................................13
Model: DVD-K2304R
Version: 1.0
4
TECHNICAL SPECIFICATION
Play mode NTSC /PAL /AUTO
Disc mode DVD, VCD, MP3, CD, DVD-R, CD-R, CDR-W
Resolution
Video S/N ratio > 56dB
Frequency response Fs 96KHz: 4Hz-44KHz: +/-1dB
Audio S/N ratio
Dynamic range
Distortion < 0.01%
D/A converter 192KHz /24bit
Video output 1Vp-p (75Ω)
S-Video output Y: 1Vp-p (75Ω) C: 0.3Vp-p (75Ω)
Audio output 2.0V + 0.0V –1.0V
Digital audio output Coaxial optical
AC-3 5.1 channel output
Power voltage ~ 90-250V 50/60Hz
Power consumption ≤ 25W
Size 550 x 114 x 321mm
Weight 2.8Kg
Specifications are subject to change without notice.
≥ 500lines
≥ 90dB
≥ 90dB
Model: DVD-K2304R
Version: 1.0
CIRCIUT DIAGRAM
Index and Power, MPEG
D D
C C
B B
+P5V_AUDIO
A A
5
4
3
COMMON89D_HD60_V4
MT1389D (LQFP216) DVD Demo Board for Sanyo Slim HD60 PUH
1 INDEX & POWER, RESET
2 RF, SERVO & MPEG - MT1389E
3 MEMORY - SDRAM, FLASH/EEPROM
4 VIDEO OUT
5 AUDIO DAC WMA8766
NAME
VCC
DV33
RFV33
LDO_AV33 Laser Diode 3.3V
AVCC
V18
SD33
+12V
-12V
AVDD
DVDD
CN1
9
8
7
6
5
4
3
2
1
CON9/2.54
VCC
+P5V
+P5V +5VV
TYPE
Digital 5V
Digital 3.3V
Servo 3.3V
RF 5V
Digital 1.8V
Digital 3.3V SDRAM
Audio +12V
Audio -12V OP AMP.
Audio 5V
Audio 3V3
-25V
-25V
AC-
AC-
AC+
AC+
-P12V
-P12V
+P12V
+P12V
PGND
PGND
+P5V
VCC_AUDIO
L9
FB
AVCC
VCC
CB9
+
CE9
0.1uF
220uF/1 6V
L7
FB
5
SGND
CE2 2
+
10uF/10V
DEVICE
SUPPLY
MT1389E
MT1389E
PICKUP HEADER
MT1389E
OP AMP.
Audio DAC
Audio DAC
+P12V-P12V
V33
V33 RFV3 3
1N4001
+
CE1
220uF/1 6V
Q4
8050C
L1
FB
V33
V33
+12V-12V
RFV3 3
+
4
LDO_AV33
CE8
220uF/1 6V
L11
LDO_AV33
FB
CB8
0.1uF
Regulator
Fix regulator
Adj regulator
R1 R2
0 ohm
OFF
300 1% 680 1%
U2
RT9164 33/AZ1117 33
312
VCC V33
VI
GND
VO
3
R1
R2
47
220
CB1
0.1uF
D3
1 2
2
DV3 3
DV3 3
V18
Power ON alive source
2
5
1
+P5V +P5V_AUDIO
URST#
URST# [ 2 ]
V18
V18 [ 2 ]
DV3 3
DV3 3 [ 2,3,4,5 ]
VCC
VCC [ 2,3,4,5 ]
AVCC
AVCC [ 2 ]
V18
DV3 3
R3
+
CE6
10uF/16V
R20
220
D1
VCC_AUDIO
TP1
10k
URST#
8050C
R21
10k
+12V
-12V
GND
VCC_AUDIO [ 5 ]
+12V [ 4,5 ]
-12V [ 4,5 ]
GND [ 2,3,4,5 ]
Q5
1
Model: DVD-K2304R
Version: 1.0
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