3 Mechanism Operation Description
3.1. General Feature
·
This is a five disc changer mechanism for CD/DVD. The outline figure is shown below.
·
The mechanism has
"CHANGE WHILE PLAY"
function. It open other trays for disc exchanging while one tray is at PLAY
position performing recording or reproducing.
·
The mechanism can quickly change all trays with
"CHANGE ALL"
function. All trays can be move to OPEN position with one
operation.
·
There is no sensor to indicate presence of disc on any tray.
3.2. Hardware composition
·
Below is the hardware components of the mechanism
Name
Function
Open Switch (OPEN-SW)
The switch is used to detect normal tray opening
The switch is used for detect tray being manually push/trigger when full open
Home Switch (HOME-SW)
Is used to detect cam gear home position
Close Sensor (CLOSE-SENSOR)
Used for normal single tray closing
Used to detect cam gear rotate to Play Driving position
Play Switch (PLAY-SW)
Detect TRV clamping complete position
Stocking Switch (STOCK-SW)
Detect tray completely transfer for play position to stocking positi
UD Sensor (UD-SENSOR)
Detect TRV vertical movement position
Top Switch (TOP-SW)
Detect a default position of TRV vertical movement position
Driver IC
To drive Motor
Motor
Main driving source for changer
Plunger
Switching the driving source from motor to:
1.
Tray open/close
2. Drive tray to play/stock position and TRV vertical movemen
3.3. Mechanism Operation
·
This mechanism has the following state:
1. Driving of a tray to open/close
2. Up/down operation of a traverse performs a state changes of tray.
By using the plunger to lift/release of a switching gear, and the cam gear to lift/release the function gear the motor can be link
to several gear trains to perform various operations.
·
The functions that can be perform in this mechanism are described as below:
Condition
Explanation
Open current playing tray
The state to change current playing disc. All tray will be open at once and current tray at PLAY position
will be expose.
Open All
The state where all trays being driven to OPEN position. The disc can be taken in or out from tray to tray
by close tray one by one from top to bottom.
Stock
The state where the trays are stored in STOCK position
Play
The state where one of the tray 5 trays is being driven to PLAY position and clamped by traverse unit
9
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Summary of Contents for SA-AK640E
Page 21: ...21 ...
Page 32: ...Step 4 Lift the CD changer unit upwards to remove it Disassembly of Mecha Chassis 32 ...
Page 41: ...Step 2 Remove 12 screws 41 ...
Page 48: ...Step 2 Widening the catch push the pin in Step 3 Remove 4 pins 48 ...
Page 60: ...Step 2 Push the lever upward and open the cassette lid Remove the cassette tape 60 ...
Page 63: ...12 4 Checking and Repairing of Power P C B 63 ...
Page 81: ...21 3 Packaging 81 ...
Page 85: ...54 RGLX0641 D 5 CD BACK ORNAMENT M 85 ...
Page 87: ...366 RME0109 FLOATING SPRING M 87 ...
Page 90: ...D2503 B0ADCC000002 DIODE M 90 ...
Page 92: ...D6461 B0BC8R100004 DIODE M 92 ...
Page 98: ...R2271 ERJ3GEYJ682V 6 8K 1 16W M 98 ...
Page 100: ...R2443 D0GB270JA007 27 1 16W M 100 ...
Page 102: ...R2618 D0GB332JA007 3 3K 1 16W M 102 ...
Page 104: ...R2826 ERJ3GEYJ103V 10K 1 16W M 104 ...
Page 106: ...R2928 ERJ3GEYJ103V 10K 1 16W M 106 ...
Page 108: ...R5138 ERJ8GEYJ100V 10 1 8W M 108 ...
Page 110: ...R5507 ERJ8GEYJ100V 10 1 8W M 110 ...
Page 112: ...R6752 D0GB152JA007 1 5K 1 16W M 112 ...
Page 114: ...W2537 ERJ3GEY0R00V CHIP JUMPER M 114 ...
Page 116: ...W7008 ERJ6GEY0R00V CHIP JUMPER M 116 ...
Page 118: ...C1042 ECA1CAK220XB 22 16V M 118 ...
Page 120: ...C2282 F1H1A105A025 1 10V M 120 ...
Page 122: ...C2601 F1H1H103A219 0 01 50V M 122 ...
Page 124: ...C2803 ECJ1VB1A105K 1 10V M 124 ...
Page 126: ...C5152 ECJ1VB1H104K 0 1 50V M 126 ...
Page 128: ...C5402 F1H1H331A013 330P 50V M 128 ...
Page 130: ...C5523 ECJ1VB1H104K 0 1 50V M 130 ...
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Page 167: ...1 Mechanism Overview 3 CRS1 ...
Page 192: ... For tray 1 selection flow chart below will be used 28 CRS1 ...
Page 212: ...48 CRS1 ...
Page 216: ...CRS1 52 ...
Page 261: ...12 Exploded Views 12 1 CD Loading Mechanism 97 CRS1 ...
Page 262: ...98 CRS1 ...
Page 263: ...99 CRS1 ...