SERVICE MANUAL
DATA
MD / CD
STEREO SYSTEM
BASIC TAPE MECHANISM : 2ZM-1 YR9NF
BASIC CD MECHANISM : 3ZG-3 YE3NC
BASIC MD MECHANISM : AZG-4A
XR-MD510
XR-MD511
D,K
EZ
S/M Code No. 09-004-422-8S1
SUPPLEMENT
• This Service Manual contains the additional information “DISASSEMBLY INSTRUCTION”
and “TEST MODE” for the model XR-MD510/511(K/EZ).
If requiring the other information, see Service Manual of XR-MD510(D,K) / 511(EZ),
(S/M Code No. 09-004-422-8R1).
MODEL CODE : 8ACJ4-0130 (S)
8ACJ4-0133 (SM)
XR–MD510/511
SYSTEM
SPEAKER
SX-M510
•
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1. Removing the outside appearance parts
1) Remove the six screws (1-4, 2-2) and remove the PANEL SIDE R.
2) Remove the six screws (1-4, 2-2) and remove the PANEL SIDE L.
3) Remove the three screw 1 and lift up the PANEL, TOP ASSY 2.
4) Remove the two connectors and remove the PANEL, TOP ASSY.
R L
DISASSEMBLY INSTRUCTION
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5) Remove the 11 screws and remove the CABI, REAR.
6) This is the state after the outside appearance parts are removed.
2. Removing the PWB, CD ACJ-4
1) Remove the five screws, pull out the FFC and other parts, then remove the
PWB, CD ACJ-4.
3. Removing the PWB, MAIN ASSY
1) Remove the screw 1, then remove the connector 2 and the FFC 3 of the
MD block.
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2) Remove the screw 1 and remove the PWB, MAIN ASSY 2 in the direction of the arrow. (The board is hooked.
While lifting up the HOOK, remove the board.)
4. Removing the FRONT block
1) Remove the screw 1 securing the CAB, FR ASSY and remove the screw 2 securing the CHAS, MD.
2) Remove the screw 1 securing the CAB, FR ASSY and remove the screw 2 securing the CHAS, MD.
3) Remove the two screws 1 and remove the CABI, FR ASSY in the direction of arrow 2.
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4) This is the state after the PWB, MAIN ASSY and CABI, FRONT ASSY are
removed.
5. Removing the MD block (AZG-4)
1) Remove the four screws and remove the MD block.
6. Removing the CD block (3ZG-3)
1) Remove the four screws 1 and remove the CD block 2.
2) This is the state after the CD block is removed.
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Notes during re-assembling
When assemble the magical change panel, adjust the phase of the gear.
1. Phase adjustment of the GEAR, OPE 1 and GEAR, WORM WHEEL.
1) Align holes 1.
2) Then, move the position of the holes of each gear as shown by 2 in the illustration.
2. Installation Procedure of HLDR, GEAR ASSY
1) Position the panel side so that it faces front as shown in the illustration.
2) Install the HLDR, GEAR ASSY.
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CD TEST MODE
1. Starting Up the CD Test Mode
While pressing the “CD” button, connect the AC plug to the power outlet. When the CD test mode starts up, all
displays turn on.
2. How to Release the CD Test Mode
To release the CD test mode, press the “POWER” button or the function buttons other than the “CD” button, or
disconnect the AC plug from the power outlet.
3. Function Description of the Test Mode
Note: If the focus search operation is continued for 10 minutes or longer, the driver IC heats up sufficiently to trigger the
protection circuit, which stops the CD system. Turn off the main power and re-start operation about 10 minutes
later.
MODE
Start mode
Focus search mode
Play mode
Traverse mode
Sled mode
Operation
CD key + AC
plug IN
STOP key
PLAY key
PAUSE key
F.SKIP key
B.SKIP key
Indication on
display
All indicators light
CD
Track No. and
playing time
(spectrum analyzer)
Track No. and
playing time
CD TEST
Function and movement
• CD TEST mode starts
• All indicators light
• LD lights
• Continuous focus search
• Continuous spindle motor
kick
• Normal playback
• When TOC reading is not
possible, the focus search
continues
• Tracking servo is turned off
• The pickup moves to the
innermost track
• The pickup moves to the
outermost track
Check item
• Check all indicators light
• Microprocessor
• DATA BUS LINE
• APC circuit
• LASER current
• Check the focus search
waveform
• Check the focus error
waveform
• Focus servo circuit
• DRF output
• Spindle servo line
• Same checks as shown in the
above column
• Each servo circuit
• Check the tracking error
waveform
• Tracking circuit
• Sled circuit
• Mechanism (gear and motor)
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