Volume Range; System Control Check - Yamaha GX-505 Service Manual

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GX-505/GX-505VCD

VOLUME RANGE

DISPLAY
dB
– ∞
VOL MIN
VOL 01
–79
VOL 02
–73
VOL 03
–68
VOL 04
–64
VOL 05
–61
VOL 06
–59
VOL 07
–58
VOL 08
–57
VOL 09
–56
NOTE) When VOLUME is at minimum, AMP MUTE is on.

SYSTEM CONTROL CHECK

q FUNCTION AUX/MD is selected
CD PLAY KEY ON (remote control transmitter)
w FUNCTION → CD ?
DISC No. display on?
yes
CHECK OK
13
DISPLAY
dB
VOL 10
–55
VOL 56
VOL 57
VOL 11
–54
VOL 58
VOL 59
VOL 60
1dB step
VOL 61
VOL 62
VOL 63
VOL 64
VOL 54
–11
VOL 55
–10
VOL MAX
no
DISPLAY
dB
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
In case that CD doesn't play : [RECEIVER → CD]
In case that DISPLAY doesn't change : [CD → RECEIVER]
(SYSCK, CDCE, SYSO) NG
(SYSI) NG
SYSCK: Pin 20 of IC8
CDCE: Pin 25 of IC8
SYSO: Pin 21 of IC8
SYSI: Pin 22 of IC8

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