I purchased a copy of my old JVC VCR Service manual from Owner-Manuals.com
The copy was complete and valuable to me.
I was able to fix my VCR - it had a bad belt.
I am glad I found Owner-Manuals.com
Great Price. Thanks
Good quality, the manual help me to repair the echo/reverb section
Text excerpt from page 24 (click to view)
8.
It checks that PM-11S1 and the COM port are connected by RS232C cable.
8.
PM-11S1 � Windows PC � COM �������確� ����
9.
Press POWER Button to turn on the unit. The unit is in the boot mode.( LED and LCD display on the front panel disappear.)
9.
POWER �������Power On ������� (������� ��込�������� ���LED�� LCD 表示������ )
10. The right click V040708.mot, and Click Download File.