Test Mode; Rds Operation - Sharp CD-DP2500H Service Manual

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CD-DP2500H
During POWER OFF mode,push below each 2 keys [ON/STAND-BY] key.
Then go to each TEST MODE.
[ON/STAND-BY] [TUNER] + [X-BASS]
[ON/STAND-BY] [MEMORY/SET] + [X-BASS]
[ON/STAND-BY] [>>] + [X-BASS]
[ON/STAND-BY] [CD] + [X-BASS]
[ON/STAND-BY] [TAPE] + [X-BASS]
[ON/STAND-BY] [>] + [X-BASS]
[ON/STAND-BY] [TUN UP] + [X-BASS]
[ON/STAND-BY] [TUN DOWN] + [X-BASS]
[ON/STAND-BY] [STOP] + [X-BASS]
There is no RDS (Radio Data System) broadcasting service in Australia and New Zealand.
ASPM, summary operation
Hold down the ASPM button for 3 more second.
"ASPM" blinks in the display.
Preset CH memory full over?
No
Begin to scan start 87.50 → 108.00 MHz
SD (TUNE) DET out OK?
Yes
If count 1st OK?
Yes
If count 2nd OK?
Yes
RDS signal or not?
PI—identify
Yes
Comparing PI cord
same or not?
between current receiving
PI and before PI which is
already memorized by
ASPM on this time.
Yes
Compare the field
strength of current receiving
signal.
Is receiving signal stronger than
signal which has same PI cord
and is already memorized to
preset memory ahead of this
receiving time?

TEST MODE

KEY

RDS OPERATION

Yes
No operate. After displayed "END". Return to
previous station.
No
No
No
No
Comparing freg.
same or not?
No
between current receiving
frequency and (already)
previouslymemorized
frequency.
Comparing freg.
same or not?
Yes
Between current receiving
frequency and (already)
previously memorized
frequency.
TEST MODE
TEST 1
TUNER PRESET MEMORY CLEAR
TEST 2
TUNER PRESET FOR PRODUCTION
TEST 3
KEY AND DISPLAY TEST
TEST 4
CD TEST MODE
TEST 5
TAPE TEST MODE
TEST 6
ALL CLEAR(RESET)
TEST 7
AUDIO TEST
TEST 8
PRODUCTION INITIALIZE FOR CHANGER
TEST 10
RDS TEST
Pass
No effect
Pass
No effect
Pass
No effect
Pass
No effect
No
Memorized to the lowest vacant
preset channel.
No effect
No effect
No
Memorized to the lowest vacant
preset channel.
Yes
– 18 –
CONTENTS
Displayed the TTL quantity of memorized
stations by ASPM operation on this time.
And return to the previous
receiving freq. automatically.
Preset CH memory become full over?
Begin to ASPM SCAN from the next
CH-SPAN again.
Repeat and continue with same format
ASPM operation untill 108 MHz.
After reached 108 MHz, displayed the TTL
quantity of memorized stations.
And return to the previous receiving freq.
automatically.
Effect
No effect
Yes
No

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