Self Diagnosis Function; Purpose And Operation - Yamaha RX-V795a Service Manual

SELF DIAGNOSIS FUNCTION

1. PURPOSE AND OPERATION

The RX-V795a/RDS/HTR-5170 has a Self Diagnosis Function to locate a faulty part, if any, by inspecting and taking
measurements.
There are 11 main items in the diagnostic menu and some of them 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
EFFECT OFF
/DISPLAY CHECK
7
MANUAL TEST
8 FACTORY PRESET
9
AD DATA CHECK
10 STATUS
11
VERSION CHECK
/CPU CHECK SUM
/EXIT
SUB MENU
1. MAIN BYPASS
2. DSP 0dB
1. YSS918–SRAM
2. YSS918
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 : SWFR
7. CENTER : NONE
8. CENTER : SMALL
REAR : SMALL
9. FRONT MIX
1. EFFECT OFF
2. VFD DISP OFF
3. VFD DISP ALL
4. VFD DIMMER
5. CHECKED PATTERN
1. ALL
2. MAIN L
3. CENTER
4. MAIN R
5. REAR R
6. REAR L
7. LFE
1. INHIBIT(Inhibit Memory Init)
2. RESERVED (Init. Memory)
1. AD CHECK : 000
2. KEYO, KEY1
3. KEY2, REC OUT
4. TUNING SIGNAL
HEAT SINK TEMP.
5. DC PROTECTION
PS PROTECTION
1./2. DSP CPU STATUS (1)/(2)
3./4. CHANNEL STATUS (1)/(2)
5./6. SUB CPU VERSION (1)/(2)
7./8. SUB CPU CHECK SUM (1)/(2)
9./10. BSI0 (1)/(2)
11./12. BSI1 (1)/(2)
13./14. BSI2 (1)/(2)
15./16. BSI3 (1)/(2)
17./18. BSI4 (1)/(2)
19./20. BSI5 (1)/(2)
1. MAIN MC CHECK SUM
2. DSP MC CHECK SUM
3. MAIN M.C. VERSION
4. SUB M.C. VERSION
5. PORT INFORMATION
6. EXIT
REMOTE CODE
7A–88 : DSP/1
– – –
7A–89 : DSP/2
– – –
– – –
– – –
7A–8A : DSP/3
– – –
7A–8B : DSP/4
7A–8C : DSP/5
7A–8D : DSP/6
7A–8E : DSP/7
7A–8F : DSP/8
7A–90 : DSP/9
7A–91 : DSP/11
– – –
7A–85 : DSP/15
7A–56 : DSP or ···/16
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
RX-V795a/RDS/HTR-5170
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