Yamaha DSP-A595a Service-Handbuch - Seite 11

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4. CONTENTS OF DIAGNOSIS FUNCTION
This section describes the contents of the self diagnosis function in detail.
No.1 ANALOG THROUGH
The input is fixed to analog (A/D). There are two submenus.
1. MAIN BYPASS
The MAIN L/R signals bypass the analog circuits to be output.
For CENTER/LFE, FRONT L/R and REAR L/R, the MAIN L/R signals via the DSP are output without
being processed (through). (Remote control code 7A-88: "1" key [DSP mode])
ANALOG IN
DIGITAL IN
: This shows that the device is not operating.
TE
L 13942296513
2. DSP 0dB
MAIN L/R, CENTER/LFE, FRONT L/R and REAR L/R pass through the DSP without being
processed.
ANALOG IN
DIGITAL IN
: This shows that the device is not operating.
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1 DVD/LD
MAIN BYPAS
CODEC.AD
AK4526A
DIR2
YM3436
1 DVD/LD
DSP 0DB
CODEC.AD
AK4526A
DIR2
YM3436
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2 9
8
AC3D2av(YSS918)
L/R
DECODER
DSP
L/R
L/R
L/R
L/R
1M SRAM
Q Q
3
6 7
1 3
1 5
AC3D2av(YSS918)
L/R
DECODER
DSP
L/R
L/R
L/R
L/R
1M SRAM
co
.
9 4
2 8
MAIN L
DA
AK4320
MAIN R
FRONT L
CODEC.DA
FRONT R
REAR L
REAR R
CENTER
AK4526A
SUBWOOFER
• INPUT : DVD/LD (Analog signal)
(Lch and Rch, 1KHz, –20dBV)
• OUTPUT : SPEAKERS
MAIN L : 23.8 dBV
REAR L : 23.7 dBV
0 5
8
2 9
9 4
2 8
MAIN R : 23.8 dBV
REAR R : 23.7 dBV
CENTER: 23.7 dBV
MAIN L
DA
AK4320
MAIN R
FRONT L
CODEC.DA
FRONT R
REAR L
REAR R
CENTER
AK4526A
SUBWOOFER
• INPUT : DVD/LD (Analog signal)
(Lch and Rch, 1KHz, –20dBV)
• OUTPUT : SPEAKERS
MAIN L : 23.7 dBV
REAR L : 23.6 dBV
MAIN R : 23.7 dBV
REAR R : 23.6 dBV
CENTER: 23.6 dBV
m
DSP-A595a
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