Operation Of The Microprocessor - Onkyo FR-155 Service Manual

OPERATION OF THE MICROPROCESSOR

OPERATION OF THE MICROPROCESSOR TERMINAL LINKED WITH THE ENERGY SAVE FUNCTION
In the energy save mode (including the preparation period). only the STANDBY/ON button and the ENERGY SAVE button can be operated.
60 seconds after the energy save is operated. the microprocessor is turned to the energy save mode.
Even if the AC cord is removed. the energy save mode is stored. (the stored period is about 2 or 3 weeks that are the same as the stored
period of the preset values for the tuner.) When the initial values are set. the energy save mode is released.
(*1) : The back-up voltage for the microprocessor is supposed to be 0 volt after the initial values are set.
(*2) : The energy save mode is set when the power supply is on.
When the ENERGY SAVE button is pressed in the stand-by state. you can also enter the energy save mode.
Connect the
SETTING
AC cord.(*1)
OPERATION
Power
SET. STATE
supply
is off.
ENERGY SAVE LED
FL TUBE
Q701 (Microprocessor)
Function
Terminal
NO. Name
60
RESET
26 AC POWER
34 RC POWER
42 SEL MAT
35
MDRESET
FLRESET
3
OPERATION of RECVOL1 and RECVOL 2
Analog switch (TC-4052) is controlled here.
Function
Terminal
Name
No.
1
31 REC VOL1 L
32 L
REC VOL2
OTHER OPERATIONS
H means the high level and L means the low level. The state shown by CONTROL varies with the set state.
Input Selector
Function
Terminal
Name
No.
CD
CONTROL
3 ~FLRESET
5 H
~SHUTDOWN
6 CONTROL
~RICKRACK
9 CONTROL
RCDATA
10 CONTROL
~SILK
11 CONTROL
~FACE
12 CONTROL
FLAT
13 CONTROL
~FLCLK
14 CONTROL
TAD
15 L
RED
18 L
~SACK
CONTROL
19
~CDCLK
20 CONTROL
CDDATA
21 CONTROL
~CDXLT
22 CONTROL
~CDRESET
23 CONTROL
CDPOWER
24 CONTROL
~OPEN
25 CONTROL
~CLOSE
26 H
ACPOWER
30 CONTROL
EQUALLED
Press the
Press the
ENERGY SAVE
STANDBY/ON
button.(*2)
button.
Stand-by
Power supply is turned ON.
state
Light goes out.
Light goes out.
Time is
indicated.
1sec.
5 sec.
1sec.
OPERATION of CDMUT. TUMUT and REC MUT
ON means that the mute function is always on and OFF means that the mute function is always off.
The mute functions shown by CONTROL become ON or OFF according to the set states.
Rec. Level
Terminal
2 3 4
No.
H L H
41
L H H
46
44
In energy
In stand-by
save state
state
CD Except
CONTROL CONTROL L
H
L
CONTROL CONTROL
L
CONTROL CONTROL
L
CONTROL CONTROL
L
CONTROL CONTROL
L
CONTROL
CONTROL L
CONTROL CONTROL L
L L L
L L L
L L L
L L L
L L
L
L L
L
L L
L
L L
L
H H
L
H H L
H H L
CONTROL CONTROL CONTROL
Press the
STAND/BY
button.
Energy save mode
Energy save
(under preparation)
Light comes on. Light blinks.
Light comes on. Light goes out.
After the " Energy save " is
scrolled. the light goes out.
60 sec.
60 sec.
Input Selector
Function
Name
MD CD FM/AM
CD MUT ON CONTROL ON
TU MUT ON ON CONTROL
REC MUT
ON OFF OFF
Function
Terminal
Name
No.
31 RECVOL1 CONTROL
32 RECVOL2 CONTROL
33 GOD
34 RCPOWER
35 ~MDRESET
CONTROL
41 CDMUT
CONTROL
42 SELMUT
CONTROL
43
AILED CONTROL
44
RECUT CONTROL
45
FCE/VCE CONTROL
46
TUMULT CONTROL
47 CLACK CONTROL
48 DATA
CONTROL
49 FRECKLE
53 PLACE
CONTROL
56 ~VOLUP
CONTROL
57
~VOLDOWN CONTROL
59
~SYSOUT CONTROL
62
DOLT CONTROL
17
Press the
Disconnect
ENERGY SAVE
the AC cord.
button.
Power
Stand-by
supply
is off.
Time is
indicated.
1sec.
LINE-2 DIGITAL
TAPE CD R LINE-1
ON ON ON ON
ON ON ON ON
OFF
OFF OFF OFF
Input Selector
In stand-by In energy
save state
state
CD Except
CD
L
CONTROL
L
CONTROL
-
- -
L
H H
H
CONTROL
L
L
H
CONTROL
L
CONTROL
H
CONTROL
L
CONTROL
H
CONTROL
L
CONTROL
L
CONTROL
L
L L
L
CONTROL
H
CONTROL
H
CONTROL
CONTROL CONTROL
CONTROL
L
CONTROL
FR-155
ON
ON
ON
L
L
-
L
L
L
H
L
H
L
H
L
L
L
L
L
L
L