Self Diagnosis Function - Yamaha DSP-A5 Service Manual

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SELF DIAGNOSIS FUNCTION

1. PURPOSE AND OPERATION
The DSP-A5 has a Self Diagnosis Function to locate a faulty part, if any,
by inspecting and taking measurements.
There are 12 main items in the diagnostic menu and have sub-menu items as listed below.
No. MAIN MENU
1 ANALOG THROUGH
2 DSP THROUGH
3 AC–3/DTS THROUGH
4 PRO LOGIC
5 SPEAKERS SET
6 DISPLAY CHECK
(EFFECT OFF)
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L 13942296513
7 MANUAL TEST
8
FACTORY PRESET
9 AD DATA CHECK
10 STATUS
INFORMATION
FROM DSP
11 EEPROM WRITING
www
FUNCTION
.
12 UNIT INFORMATION/
EXIT
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SUB-MENU
1. MAIN BYPASS
2. DSP 0dB
1. YSS+SRAM M
2. YSS M
3. DSP FULL BIT
1. STATUS (BINARY FORM)
1. CENTER LARGE
2. EFFECT OFF
1. MAIN : SMALL 0dB
2. MAIN : LARGE 0dB
3. MAIN : LARGE –10dB
4. LFE/BASS : MAIN
CENTER : NONE
5. LFE/BASS : MAIN
6. LFE/BASS : SUBWOOFER
7. CENTER : NONE
8. CENTER : SMALL
REAR : SMALL
9. FRONT MIX
1. (EFFECT OFF)
2. ALL SEGMENTS TURN OFF
3. ALL SEGMENTS TURN ON
4. ALTERNATE SEGMENTS TURN ON
5. SOFTWARE RELEASE DATE
1. ALL
2. MAIN L
3. CENTER
4. MAIN R
5. REAR R
6. REAR L
7. LFE
1. INHIBIT (Inhibit Memory Initialize)
2. RESERVED (Reserve Memory Initialize)
1. – – –
2. KEY1, KEY2
3. TUNER SIGNAL LEVEL
4. DC PROTECTION
5. PS PROTECTION
1./2. DSP STATUS (1)/(2)
3./4. CHANNEL STATUS (1)/(2)
5./6. BSI0 (1)/(2)
7./8. BSI1 (1)/(2)
9./10. BSI2 (1)/(2)
11./12. BSI3 (1)/(2)
13./14. BSI4 (1)/(2)
15./16. BSI5 (1)/(2)
1. CHECK SUM
MODIFICATION DATA
EEPROM DATA
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2. WRITING CONFIRMATION y
3. START WRITING
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1. VERSION and CHECK SUM
2. MODEL TYPE and DESTINATION
3. EXIT
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2 9
8
REMOTE CONTROL CODE (KEY)
7A–88 ("1" [DSP mode])
– – –
7A–89 ("2" [DSP mode])
– – –
– – –
– – –
7A–8A ("3" [DSP mode])
– – –
7A–8B ("4" [DSP mode])
7A–8C ("5" [DSP mode])
7A–8D ("6" [DSP mode])
7A–8E ("7" [DSP mode])
7A–8F ("8" [DSP mode])
7A–90 ("9" [DSP mode])
7A–91 ("0" [DSP mode])
– – –
7A-12 ("ENTER" [DSP mode])
7A-56 (">10" [DSP mode])
Q Q
– – –
3 6 7 1 3 1 5
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
co
– – –
– – –
.
– – –
– – –
– – –
9 4 2 8
0 5 8 2 9 9 4 2 8
m
DSP-A5
9 9
9 9
6