Single Operation Method - Pioneer XV-IS22DVD Service Manual

XV-IS22DVD

7.1.3 SINGLE OPERATION METHOD

Single purpose operation test mode specification for IS22DVD service.
It is the mode to operate by the MEDIA ASSY.
Jigs and Measuring instruments
V A
DC power-
supply
Single purpose operation method.
A
1 Connect point
of the AF ASSY [+8V, +15V, +5V, GND] and DC power-supply.
(Refer to Fig. 7-1.)
A
Connect point
AF ASSY: (+8V)
AF ASSY: (+15V)
AF ASSY: (+5V)
AF ASSY: (GND)
2 Keeps pushing main body "BASS key" and the "TREBLE" key together.
(Refer to Fig. 7-2.)
3 Connect the AF ASSY [Connect point
(Refer to Fig. 7-2.)
B
Connect point
AF ASSY: (+5.6V)
AF ASSY: (GND)
4 The main system starts working.
Stop pushing "BASS" and "TREBLE" keys.
Note:
• The test mode is finished when a STANDBY/ON key is pushed during POWER ON state or the power supply is cut off.
Do the above operation when you make it work again.
• It doesn't work only by connecting power supplys. Do the above operation.
• The microcomputer does not perform AC CHECK at this time.
TEST MODE : STOP → CANCEL
STOP
All Operations
70
DC power-supply
Voltage (V) Remarks
+8V
+15V
+5V
GND
B
: +5.6V] under the condition (With doing a key 2-fold push.) of 2.
DC power-supply
Voltage (V) Remarks
+5.6V
GND
AF ASSY
DC Output (+5.6V)
Power SW
+5.6V
The DC power supply
(+5.6V) is turned off.
DC power-
supply
V A
off
GND