To Supply Power Source - Technics SH-EH600 Service Manual

| SH-EH600
— To Supply Power Source
This unit SH-EH600 is designed to operate on power supplied from
the system connected. (For system connection, refer to Fig.1)
When you have to test and service the unit SH-EH600 alone, use the following method
to supply power source and operate the unit:
DC Power Supply
1. Short the section between J124 and D101. ——— el
2. Short the section J306, J307, J305 and J302 with each other. (Point \A\ )
3. Short the section between J126 and 17 pin of the connector JK101. (Point [=
4. Short the section between J125 and J101. (Point (fe
5. Apply +5 V DC power to the section between J128 and (+) foil side of C104.
6. Connect the DC power supply as shown below.
®+12 V terminal of the DC Power Supply connect to Point eo) .
® GND terminal of the DC Power Supply connect to Point ZV .
®—12 V terminal of the DC Power Supply connect to Point 13) :
Point ZV <
DC Power Supply
Input the audio signal and confirm in to be outputted from the terminal.
"INPUT. OUTPUT
oe —