Sony MZ-E707 Service Manual page 9

4-4. MANUAL MODE
4-4-1. Outline of the function
The Manual mode is designed to perform adjustments and
operational checks on the set's operation according to each
individual function.
Usually, no adjustments are made in this mode.
However, the Manual mode is used to clear the memory before
performing automatic adjustments in the Overall Adjustment mode.
4-4-2. How to set the Manual mode
1. Set the TEST MODE and press + key to set the Manual mode.
Remote control LCD display
000 Manual
2. During each test, press and hold down > N key or .
key for a while to move the optical pickup on the sled outer or
inner perimeter.
3. Each test item is assigned with a three-digit item number. The
100th place is a major item, 10th place is a middle item, and unit
place is a minor item.
+
Change Major
Item
key key
> N x
+
Change Middle
Item
key key
> N
x
> N
Change Minor
Item
.
Change Adjustment
Value
Write Adjustment
Value
key : When adjusted value is changed :
X
Adjusted value is written.
When adjusted value is not changed :
That item is adjusted automatically.
key : 100th place of mode number
increase
key : 100th place of mode number
decrease
key : 10th place of mode number
increase
key : 10th place of mode number
decrease
key : Unit place of mode number
increase
key : Unit place of mode number
decrease
+
key : Up
key : Down
4. During each test mode, the display is changed from one to
another each time DISPLAY key is pressed.
• Address & Adjusted Value Display
LCD display
011 C68S01
address
mode number
• Jitter Value & Adjusted Value Display
LCD display
011 OFFJ01
jitter value
mode number
• Block Error Value & Adjusted Value Display
LCD display
011 063B01
block error value
mode number
• ADIP Error Value & Adjusted Value Display
LCD display
011 059A01
ADIP error value
mode number
• Item Title Display
LCD display
011 LrefPw 01
item title
mode number
Note: In the Power mode, the item title display is only displayed.
5. To terminate the Manual mode and return to the TEST MODE,
press x key.
4-5. OVERALL ADJUSTMENT MODE
4-5-1. Outline of the function
This mode is designed to adjust the servo system automatically by
going through all the adjustment items.
Usually, this mode is used to perform automatic adjustments when
servicing the set.
For further information, refer to section 5. ELECTRICAL ADJUST-
MENTS. (See page 12)
4-6. SELF-DIAGNOSTIC DISPLAY MODE
4-6-1. Outline of the function
The Self-diagnostic system is used in this set. If an error occurs
during playback, this system detects the fault through the
microprocessor's mechanism and power control blocks and stores
the cause in EEPROM in a history format.
This history, which can be viewed in the TEST MODE, provides
the means of locating the fault in troubleshooting.
MZ-E707
adjusted value
adjusted value
adjusted value
adjusted value
adjusted value
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