Sony SPP-M100, Service Manual

Page: 11 / 35

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SECTION 3
TEST MODE
BASE UNIT
1. How to enter the test mode
1-1. Manual test mode
Set the
[DIAL MODE]
switch to “P” (Pulse).
While pressing the
[PAGE]
key, switch on the power
supply. (Reset start)
With the
[PAGE]
key still held down, switch the
[DIAL MODE]
switch “P” (Pulse)
n
“T” (Tone)
n
“P”
(Pulse). When you release the
[PAGE]
key, test mode
starts.
If you release the
[PAGE]
key during this process, the
machine operates in normal mode.
<How to Release the Test Mode>
1) Pull out the AC adapter and turn off the power.
2) Remove the short plug and turn on the power again.
IC501
TP7
TP608
1
22
25
30
35
40
42
5
10
15
20
21
TEST MODE terminal
Open : Normal
Short : Test mode ( )
<How to Release the Test Mode>
• Pull out the AC adapter and turn off the power.
1-2. Machine test mode
Set the
[DIAL MODE]
switch to “P” (Pulse).
If you switch on the power with the TEST I/O port (IC501
!•
pin) set to high (connect TP7 to TP608), the machine
enters test mode.
[BASE MAIN BOARD]
(Component Side)