Text preview for : CD-N1007EYR.PDF part of Akai CD-N1007EYR Akai CD CD-N1007EYR CD-N1007EYR.PDF
Back to : CD-N1007EYR.PDF | Home
R
PULL SYNTHESIZED STEREO RADIO WITH
COMPACT DISC PLAYER DIGITAL
RELEASE
MON EQ
COMPACT DISC PLAYER
IR PWR
VOL LOC MUT AMS/MP3 LOU BND ENT
ST
MANU/
LOUD CDP SKIP
8 9
AUX MOD 0
SEL IN 1 PAU 2 SCN 3 RPT 4 SHF 5 D.DN 6 D.UP 7
DSP
MODEL: CD-N1007EYR/X3.9.6.4
CONTENTS
Page
Disassembly Instructions ..................................................................................................................................3
Disassembly Diagram.......................................................................................................................................4
Operation check ..............................................................................................................................................5
Block Diagram .................................................................................................................................................6
Alignment Locations .........................................................................................................................................7
Alignment Procedures ......................................................................................................................................8
Printed Circuit Boards.......................................................................................................................................9
Wiring Diagram ...............................................................................................................................................15
Exploded Views (Panel)..................................................................................................................................16
Exploded View Parts Lists (Panel)..................................................................................................................17
Exploded Views (Cabinet) ..............................................................................................................................18
Exploded View Parts Lists Cabinet)................................................................................................................19
Exploded View (Deck) ....................................................................................................................................20
Exploded View Parts List (Deck) ....................................................................................................................21
Schematic Diagram ........................................................................................................................................23
Electrical Parts List .........................................................................................................................................26
Specifications..................................................................................................................................................32
2
DISASSEMBLY INSTRUCTIONS
1. Using the unlock key that came with the unit or a similar tool, unlock the Mounting Box and remove toward the
rear of the unit.
2. Remove the screw (A) located on the rear of the top cabinet then remove the Top Cabinet.
3. Remove two screws (B) located on the rear of the bottom cabinet then remove the Bottom Cabinet.
4. Remove two screws (C) (one located at the left side and one located at the right side of the Front
Bracket) then remove the Left Hook and the Right Hook.
5. Remove the screw (D) from the main board and remove two screws (E) from each side of the base then
remove the Base.
6. Remove two screws (F) from the Front bracket and remove two screws (G) from the Rear Cabinet.
Remove two screws (H) from the front deck bracket then remove the Front Deck Bracket.
Remove two screws (I) from the Rear Deck Bracket then remove the Rear Deck Bracket and the Deck.
7. Remove four screws (J) and two screws (K) from the Heat Sink (Y) then remove the Heat Sink (Y) and the IC
8568 Heat Sink.
8. Remove the screw (L) and remove the Antenna Clip.
Remove the screw (M) and remove the Wire Clip.
9. Remove two screws (N) from the rear cabinet of the left side then remove the IC 7809 Bracket.
10. Remove five screws (O) from under the main board then remove the Main Board.
11. Remove four screws (Q) from each side of the rear cabinet then remove the Front Cabinet and the Rear
Cabinet.
3
DISASSEMBLY DIAGRAM
4
OPERATION CHECK
GENERAL SPECIFICATIONS OF SIGNAL
Standard frequency FM 98.1 MHz (87.5, 108 MHz)
MW 1000 kHz (522, 1620 kHz)
Signal output FM 1mV
MW 5mV
Modulation MW 400 Hz 30% MOD.
FM Stereo 1 kHz 75 kHz DEV.
90% for L only or
R only pilot level 10%
AF output level FM/MW
Power source voltage DC 14.0 V (Backup voltage is the same as this)
AF load impedance 4 ohm pure resistance
Balance Center position of level
Tone Center position
The signal strength read in this section is voltage on the antenna.
Test Diagram
5
BLOCK DIAGRAM
6
ALIGNMENT LOCATIONS
FM/MW TUNER
7
ALIGNMENT PROCEDURES
FM ADJUSTMENT
Equipment Required
AM IF/RF signal generator
Solid-state voltmeter (SSVM)
Regulated DC power supply
2-CH voltmeter
Distortion meter
FM Alignment Using FM Signal Generator
Note: Press the radio power switch to on the radio. Signal generator output must be kept as low as possible to
avoid overload and clipping.
Step Generator Generator Display Adjustment Remarks
Coupling Setting
Stereo Signal 98.1 MHz Adjust AF
Separation Generator Int. 1 kHz output power
to antenna Dev. 75 kHz 98.1 MHz VR1 at maximum
receptacle L+R = 90 % separating
pilot = 10 % more than 30 dB
FM SNC 98.1 MHz
Adjustment Dev. 75 kHz 98.1 MHz 98.1 MHz VR2 Stereo
L+R=90 % @ 40 dB