Nakamichi NA 1550 User manual

Instruction Manual page14-31
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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