Denon RCD-N7 Service Manual

39
TROUBLE SHOOTING
1. OLED dosen't light
Check Reset signal for System µ-com.
MAIN B'D
• [IC11] : 19pin RESET
"H" level O.K.?
Check Reset signal for OLED µ-com.
DISPLAY B'D
• [IC81] : 19pin RESET
"H" level O.K.?
Check Oscillation waveform.
MAIN B'D
• [IC11] : 20pin
16MHz OK?
Check Oscillation waveform.
DISPLAY B'D
• [IC81] : 20pin
16MHz OK?
Check Power Supply Voltages for OLED.
DISPLAY B'D
• [CN84] : 24pin +3.3V
• [CN84] : 3pin +16V
Check Reset Signal for OLED.
DISPLAY B'D
• [CN84] : 20pin
"H" level O.K.?
Check OLED dirive Signal.
DISPLAY B'D
• [CN84] : 13-6pin DA0-DA7
END
Check Power Supply Voltages for System µ-com.
MAIN B'D
• +6V_CPU, [CN43] : 4pin
• +3.3V_CPU, [IC12] : 3pin
Check Soldering.
• [IC12] on MAIN B'D
• [CN43] : 4pin
• SMPS B'D
Check Soldering.
• [IC11] on MAIN B'D
Check Soldering.
• [IC81] on DISPLAY B'D
Check Soldering.
• [X202] on MAIN B'D
Check Soldering.
• [X802] on DISPLAY B'D
Check Soldering.
• [CN88] on DISPLAY B'D
• [CN41] on MAIN B'D
Check Soldering.
• [IC81] on DISPLAY B'D
Check Soldering.
• [IC81] on DISPLAY B'D
NG
NG
NG
NG
NG
NG
NG
NG
OK
OK
OK
OK
OK
OK
OK

Denon RCD-N7 Specifications

General

Frequency range	5 - 20000 Hz
RMS rated power	65 W
Pre-out channels	1 SW
Input sensitivity	200 mV
Pre-out connectivity	Yes
Audio output channels	2.0 channels
Signal-to-Noise Ratio (SNR)	100 dB
Total Harmonic Distortion (THD)	0.7 %
Dynamic power per channel (4 Ohm)	80 W
Power output per channel (20-20KHz@8 Ohm)	- W
Audio (L/R) in	2
Digital audio optical in	1
Headphone connectivity	3.5 mm
Connectivity technology	Wired & Wireless
Speakers connectivity type	Binding post
Audio formats supported	AAC, FLAC, MP3, WMA
Image formats supported	JPG
Video formats supported	AVI, WMV
AM band range	522 - 1611 kHz
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
Preset stations quantity	99
Internet radio services supported	Last.fm, Napster
Optical drive type	CD player
Disc types supported	CD, CD-R, CD-RW
Display	OLED
Product color	Silver
Audio decoders	Not supported
Volume control	Rotary
Apple docking compatibility	iPhone, iPod
Number of products included	1 pc(s)
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.4 W

Weight and Dimensions

Depth	299 mm
Width	280 mm
Height	112 mm
Weight	4300 g