Service manual

ManualsBrandsSharp ManualsCamcorderVL-C650S

VL-SD20U

VL-FD1U

Code 1. Model code 2. Destination 3. Specifications 4. Menu selection 5. Software switching 6. Calendar switching

code code code code code

Address 01 09 02 0A 03 0B 04 0C 05 0D 07 0F

Data 00 FF 01 FE 04 FB 00 FF 00 FF 00 FF

[Making adjustments]

Adjusting the servo system controller and related parts

1. Setting the system codes

Replacement of IC7702 (FLASH MEMORY) 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.

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 blue LCD lights up and the cassette is automatically ejected. If not

properly adjusted, the red LCD lights up.

Examples • During mechanism replacement.

• During E

PROM replacement (IC302 inside the head amplifier circuit board).

When replacing the IC7702 (FLASH MEMORY), first make the following settings and then start the adjustments.

• 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 upper side.)

Enter a setting corresponding to the address.

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 FLASH MEMORY (IC7702) replacement.

• 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

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 FLASH MEMORY (IC7702) replacement.

* The address uses only when replacing the IC302.

(1) Electromagnetic conversion

Address 27 28 2B *105 25 26

Data 40 90 90 80 40 90

(2) LCD Circuit

Address 8B B6 B7 B8 B9

Data 64 7B 7B 10 10

PROM DATA>