56
XC-IS22CD
DC power-supply
Connect point
A
Voltage (V)
Remarks
DC power-
supply
V
A
Single purpose operation method.
1
Connect point
A
of the AF ASSY [+8V, +15V, GND] and DC power-supply.
(Refer to Fig. 7-1.)
7.1.2 SINGLE OPERATION METHOD
2
It keeps pushing main body "BASS key" and the "TREBLE" key together.
(Refer to Fig. 7-2.)
3
AF ASSY [Connect point
B
: +5.6V] are connected under the condition (With doing a key 2-fold push.) of
2
.
(Refer to Fig. 7-2.)
Jigs and Measuring instruments
DC power-supply
Connect point
B
Voltage (V)
Remarks
AF ASSY: (+5.6V)
+5.6V
AF ASSY: (GND)
GND
The test mode is finished when a STANDBY/ON key is pushed during on or the power supply is cut off.
Again, do the above operation when you make it work.
• It doesn't work only to connect a power supply. Do the above operation.
• A microcomputer does not perform AC CHECK at this time.
AF ASSY: (+8V)
+8V
AF ASSY: (+15V)
+15V
AF ASSY: (GND)
GND
Stop pushing "BASS" and "TREBLE" keys.
Single purpose operation test mode specification for IS22CD service.
STOP
All Operations
The DC power supply
(+5.6V) is turned off.
+5.6V
DC power-
supply
V
A
off
Power SW
DC Output (+5.6V)
GND
S
T.
M
E
M
O
R
Y
· S
TO
P
7
AF ASSY
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