Yamaha RX-A760, Service Manual

Page: 43 / 170

43
RX-V681/RX-A760
RX-V681/RX-A7
60
A4-2
Z-DSP THROUGH
A4-1
BI-AMP
A4-5
INVALID ITEM
A4-8
INVALID ITEM
A4-7
INVALID ITEM
A4-6
INVALID ITEM
A4-3
D-PARTY MODE
A4-4
FULL MUTE
A4-9
HP MUTE
A4-10
INVALID ITEM
A4-11
INVALID ITEM
A4-12
INVALID ITEM
A4-13
Z2 ADT D & 23
A4-14
M2 ADT DAAD
A5. CONTROL OUT TEST
Not for service.
A6. MIC CHECK
A6-1. MIC ROUTE CHECK
The audio signal input to the YPAO MIC jack is output to FRONT L and FRONT R channels via A/D-D/A.
A7. MANUAL TEST
The test noise generated by built-in noise generator in DSP is output to the channels specified by the sub-menu.
Test noise Test noise
for SUBWOOFER
30 Hz to 80 Hz
pink noise
5 0 Hz
sine wave
for other than SUBWOOFER
5 00 Hz to 2 kHz
pink noise
1 kHz
sine wave
A5-1
CONTOL OUT 1
A5-2
CONTOL OUT 2
A6-1
MIC ROUTE
A7-1. TEST ALL
The test noise is output to FRONT L/R, CENTER, SURROUND L/R,
SURROUND BACK L/R and LFE 1 channels.
A7-2. TEST FRONT L
The test tone is output to FRONT L channel.
A7-3. TEST CENTER
The test tone is output to CENTER channel.
A7-4. TEST FRONT R
The test tone is output to FRONT R channel.
A7-1
TEST ALL
A7-4
TEST FRNT R
A7-3
TEST CENTER
A7-2
TEST FRNT L
A4-14. DISTRO DAAD
The following audio routes are checked.
DIR (IC942) → Last-DSP Down mix (IC931) → SB DAC (IC48 5 ) → VOLUME IC (IC1 5 7) →
ADC (DIR) (IC942)
→
SELECTOR (IC946)
→
CB9 5 2
→
NET (loop back)
→
Buffer (IC9 5 2)
→
Selector (IC94 5 ) → NET/PARTY DAC (IC481) → ZONE2/PRESENCE SPEAKER OUT