24
VL-NZ10S/H/E
[Making adjustments]
Adjusting the servo system controller and related parts
1. Setting the system codes
Replacement of IC705 E
2
PROM requires the following data to be set in this order.
[Procedure]
Set the unit to the VCR mode and set the data for each address.
Code
1. Model code
2. Destination code
3. Specification code
4. Menu selection code
5. Software switching code
6. Calender switching
Address
01
09
02
0A
03
0B
04
0C
05
0D
07
0F
Data
00
FF
S
0A
F5
S
36
C9
S
00
FF
00
FF
01
FE
H
0D
F2
H
3E
C1
H
08
F7
E
0B
F4
E
3E
C1
E
00
FF
• Adjustment with automatic machine
Mode
VCR ADJ mode
Procedure
1) Using the 12 command, set the VCR adjustment mode.
2) Using the 20 command, give the E
2
PROM write permission.
3) Set the system code with the 22 command for each type.
4) Using the command, set write inhibition.
5) Using the command, cancel the adjustment mode.
Examples
• During E
2
PROM (IC705) replacement.
• Manual adjustment
Mode
VCR ADJ mode
Procedure
1) Set the CAM/OFF/VCR selection switch to VCR.
2) Press “CONTINUE”
→
”VCR adjustment” on the remote controller to set the VCR adjustment mode.
(At this time an indication “VCR ADJ” appears at the left lower side.)
Enter a setting corresponding to the address.
<Setting method>
3) Adjust the address by moving up and down the blinking numeral with the FF and REW key, and fix the address
by pressing the PB key.
4) Adjust to the setting by moving up and down the blinking numeral with the FF or REW key, and set data by
pressing the PB key.
5) Press the STOP key to set the address set state.
6) Repeat the operations 3), 4) and 5) as much as input addresses. After completion of input of all items hold
down the “CONTINUE” key to cancel the VCR adjustment mode.
7) Set the CAM/OFF/VCR selection switch to OFF.
Examples
• During E
2
PROM (IC705) replacement.
3. SHUT OFF adjustment
Mode
VCR ADJ mode
Procedure
1) Load a recordable tape, and set the camera mode.
2) Press the "CONTINUE" and then the "TEST SEL" on the remote control for adjustment to enter the TEST mode (T-01 blinks).
3) Select T-03 with the FF or REW key and then press the PB key.
4) Observing the power voltage from TL900(-), set it so that TL904(+) obtains 6.00V
±
50mV.
5) Press the MENU button on the main unit. Turn off the power and the adjustment is completed.
Examples
• During microcomputer (IC701) , REGULATOR (IC704) or E
2
PROM (IC705) replacement.
2. HSWP adjustment
Mode
VCR ADJ mode
Procedure
1) Play back the alignment tape in the video mode.
2) Press the "CONTINUE" and "HSWP ADJ" keys on the adjustment remote control in this order.
→
This executes the HSWP adjustment.
When the adjustment is successful, the LCD lights up [OK] and the cassette is automatically ejected. If not
properly adjusted, the LCD lights up [NG].
Examples
• During mechanism replacement. • During E
2
PROM replacement (IC302 inside the head amplifier circuit board).
(1) Electromagnetic conversion
Address
27
28
2B
*105
25
26
Data
40
90
90
80
40
90
* The address uses only when replacing the IC302.
When replacing the IC705 E
2
PROM, first make the following settings and then start the adjustments.
www.freeservicemanuals.info
12/9/2016
Published in Heiloo, Holland
