Yamaha DRX-1 Service Manual page 41

5.10 Nucleus 909: System Audio Loop CINCH (Nafta)
Nucleus for testing the components on the audio signal
path:
• The hostdecoder
• The analogue board
• The audio encoder
• The VSM
On the analogue board the audio is passed to the CINCH
connector, where a CINCH cable needs to be used to loop
back the audio signal to the digital board.
NUCLEUS 909: SYSTEM AUDIO LOOP CINCH
CINCH IN
(NAFTA)
ANALOGUE BOARD
STV6410
7004
ADC
1900
connector
1602
connector
DIGITAL BOARD
7500
VIP
VIP_ICLK: 27MHz
EMPRESS
Fig. 18
CINCH OUT
(NAFTA)
7507
7002
7100
DAC
1900
connector
1602
connector
7200
STI 5505
7403
7100
VSM
DRX-1
41