Nakamichi NA 1550 User manual

Instruction Manual page14-31
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NA1550
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33
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TECHNICAL SPECIFICATION 1-1
TFT Monitor section
Screen Size
Display Resolution :800x480 dots
Contrast Ratio :500
Disc System :DVD/CD/VCD
Disc Diameter :12cm
Frequency Response :20Hz - 20kHz
Signal/Noise Ratio :>75 dB
:Less than 0.3%Total Harmonic
Distortion
Channel Separation :>55 dB
Video Signal Format :NTSC/PAL
Video Output :1+/-0.2V p-p
USB interface section
USB Standard :USB 2.0 Full Speed
File System :FAT 16/32
Maximum
Current :DC 5V 1A
D/A Converter :24Bit
Video Decoder :MPEG1/MPEG2
Audio Decoder :MP3
Memory Card section
Memory Cards
Maximum Capacity
Bluetooth section
: Bluetooth Standard
version 2. 0
Communication
System
Output : Bluetooth Standard
Power Class 2
: Approx. 5meters
Maximum
Communication Range
Frequency Band : 2.4 GHz
: HFP/HSP/A2DP/AVRCP
Compatible
Porfiles
Bluetooth
: SBC (Sub Band Codec) Supported Codecs
Radio section
Frequency FM range : 87.5 - 108.0 MHz
Frequency AM(MW) range : 522-1620 KHz
Usable sensitivity : 2 uV ( )FM
: 80 uV (AM)(MW)
Video section
Color System of
External Video Input
: NTSC/PAL/SCEAM
External Video Input
(RCA/3.5m Jack)
: 1 Vp-p /75Ω
External Audio Input Level
(RCA)
: 1 V/10KΩ
Audio section
Maximum Power : 50Wx4
Continuous Power Output
(RMS)
: 22 Wx4
Preout Level V( ) : 2 V/10kΩ
Preout Impedance : 600Ω
Speaker Impedance : 4-8 Ω
General
Operating Voltage : 14.4V(10.5-16 V)
Dimension(WxHxD) : 178x102x172mm
Operational Temperature
Range
: -10°C-+60°C
Weight : 1.93 kg
Disc player section
:6.2 inches
:SD/SDHC
:32G
:
(<1%THD)
600mv/10KΩExternal Audio Input Level
(3.5mm Jack)

2-1
MAIN BOARD-CIRCUIT DIAGAM

2-2
MAIN BOARD-CIRCUIT DIAGAM

2-3
MAIN BOARD-CIRCUIT DIAGAM

MAIN BOARD-LAYOUT DIAGAM 2-4

MAIN BOARD-LAYOUT DIAGAM 2-5

(2)
(2)
(2)
C125
10P
RN6
R118
R159
R117
R116
R114
R110
R105
Q3
U19
2301
R123
R125
R122
R115
RN9
R211
R212
R213
R94
R86
DHSI
DVSI
NTRST
1.2VD
SDCLK SDCMD
SDDAT0 SDDAT1 SDDAT2 SDDAT3
NCD_SD
TXD0
RXD0
NTRST TCK TDI TMS
VDD_OP
B07
B06
B05
B04
B03
GPS_X1
GPS_X2
GPS_Y1
GPS_Y2
TXD1
DR7
DR4
DR6
DR3
DR5
G07
R07
R06
R05
R04
R03
G06
G05
G04
G03
G02
DG7
DG6
DG5
DG4
DG3
DG2
DB7
DB6
DB5
DB4
DB3
LVCLK
GPS+5V
VCC
3-1
PANEL BOARD-CIRCUIT DIAGAM

(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
330P
330P
330P
330P
2.7uH
330P
330P
2.7uH
2.7H
100R
333
332
1uF/25V
C48
T123AI
C44
C29
C6
C5
PNL_Y
PNL_PB
PNL_PR
VO18
DC+5V
VDD33
TCLK
VDD33
VDD33
TFT_SDA
TFT_CLK
P_Y
DC+5V
3-2
PANEL BOARD-CIRCUIT DIAGAM

U1
C3
3-3
PANEL BOARD-CIRCUIT DIAGAM