Sony MZ-E710 Service Manual page 15

4. Connect a digital voltmeter to TP963 (V) on the main board
and adjust key (Voltage down) and
VOL +
(Voltage up) on the remote control.
Adjustment value:1.40V
Standard value:1.395 to 1.405V
MAIN BOARD (SIDE A)
1 IC951
C960
TP963
R965
digital voltmeter
Note: Even when a measurement voltage doesn't make it in the
standard value,it surely presses more than once the
key or the key.
VOL –
But, adjustment value is made to protect the inside of the
standard range.
5. Press key to write the adjustment value.
6. Turm off the power and open the solder bridge on the TAP952
on the main board.
5-5-7 Confirm current amplifier offset adjustment value
1. Set the Test mode
2. See the manualmode, item No.will change to 751. Make a note
of adjusted value.
LCD display
751 ChagIOf XX
3. Press the key, item No.will change to 752. Make a note
>
of adjusted value.
LCD display
752 ChagI L XX
key
VOL –
TP959
TAP952 TAP951
R964
TAP952
TP963
VOL +
Adjustment value
Adjusted value
4. Press the key, item No.will change to 753. Make a note
>
of adjusted value.
LCD display
753 ChagI H XX
5. It confirms that the adjustment value of each current amplifier
adjustment item is (The measurement value of the item number
751) < (The measurement value of the item number 752) < (The
measurement value of the item number 753).
If it is not according to condition, the adjustment of 5-5-6 is
made from 5-5-2 again.
5-6. TEMPERATURE ADJUSTMENT
[Temperature adjustment method]
1. Set in Test mode.
2. Set in Manual mode and set the item number 014.
LCD display
014 AdjTmp XX
Item No.
3. Measure the temperature.
4. Adjust with the remote control
that the temperature value is at room temperature.
Reset value: 19h = 25
Adjustment range: 80h to 7Fh = -128
5. Press the key and write in the adjustment value.
5-7. OVERALL ADJUSTMENT MODE
5-7-1. Overall adjustment mode structure
TEST MODE
(Display Check Mode)
VOL Ð key
Overall Adjustment
Title Display(ASSY**)
key
.
key
>
key
P.MODE/ key
F
Note: The overall adjustments should be always performed in the
sequence of CD t MO adjustments.
MZ-E710
Adjusted value
Adjustment setting
and keys so
VOL + VOL –
C
to +127
C C
key
CD overall
x
Adjustment
key
>
key
MO overall
x
Adjustment
key
x
NV Initialize
key
Power Supply
x
Adjustment
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