Sony XP-ZV71 Service Manual page 4

XP-ZV71/ZV71C/ZV77/ZV77D
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SERVICE MODE
The following confirmation can be performed when the Service
Mode is set.
1. How to set the Service Mode.
To set the Service Mode, the following method is available.
1) Confirm the set is not powered on.
2) Confirm the following settings.
Solder Land (SL301) ................................ SHORT
[HOLD] switch (S309) ............................... OFF
3) Short the solder land SL302 (TEST) on the MAIN board.
4) Turn on the main power.
– MAIN Board (SIDE A) –
IC301
IC501
SL302
(TEST)
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SL301
(OPEN/CLOSE)
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2. Operation when the Service Mode is set.
When the Service Mode becomes active, "READING" is displayed
and then TOC of the CD is displayed.
If CD is not set, "ERROR" is displayed and LCD on the remote
control is lit off.
3. Operations by buttons or Rotary control in the
Service Mode
(Stop status)[TOC is displayed]
The following confirmations can be performed by operating
buttons(on the CD player or the remote control) or Rotary control.
• SLED Movement Mode
By pressing the > / . button on the set or the > / .
button on the remote control for few seconds, the optical pick-up is
moved to outside or inside.
(LCD display on the remote control is not changed.)
Note : Be sure to keep your eyes apart from the direct emission of
the Laser diode.
Do not move the optical pick-up over outermost or
innermost.
• CD-DA/RW Change Over Function
By short pressing the > button on the set or the > button on
the remote control, the terminal control for gain control is changed
and gain for playing of CD-DA or CD-RW is changed over.
(LCD display on the remote control is not changed.)
• Focus Search Mode
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By short pressing the [VOL+] button on the set or the [VOL+] button
on the remote control, focus search is performed.
• Laser ON/OFF Selection Function
By short pressing the [VOL-] button on the set or the [VOL-] button
on the remote control, laser is switched on or off.
Note : Be sure to keep your eyes apart from the direct emission of
the Laser diode.
• Menu Mode
By short pressing the x button on the set or the x button on the
remote control, the Menu mode is activated. The menu mode is not
used for service, therefore press the x button on the set or the x
button on the remote control for short time to exit this mode. (TOC
is displayed)
4. Operations by buttons or Rotary control in the
Service Mode
(Play status)
Note : u / x / > / . buttons are available.
• Tracking/Sled Servo ON/OFF Change Over Function
By short pressing the [VOL+] button on the set or the [VOL+] button
on the remote control during play back, Tracking/Sled Servo is
switched on or off.
(Track number is displayed on the LCD display.)
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