Yamaha KMA-1000 Service Manual page 12

KMA-1000/KMA-950
6. CHECKSUM
The checksum value is indicated in the decimal number.
a. Upper bit
b. Lower bit
7. ANALOG CHECK
The signal passage is checked. (Fig. 3)
INPUT select: DVD, AUX (KMA-1000 model), TAPE, BGM
MUTE ON/OFF: "ECHO MODE" key (ON: Lit (amber), OFF: Off)
8. KP (Karaoke processor) MUSIC CHECK
The signal passage is checked. (Fig. 3)
INPUT select: DVD, AUX (KMA-1000 model), TAPE, BGM
9. KP (Karaoke processor) MIC CHECK
The signal passage is checked. (Fig. 3)
Channel select: "ECHO MODE" key
a. L ch (0 to 4 of MIC indicator light up)
b. R ch (6 to 10 of MIC indicator light up)
Music
Vocal
KEY
CONTROL
ANALOG CHECK
KP MUSIC CHECK
KP MIC CHECK L ch
KP MIC CHECK R ch
12
ANALOG CHECK through
KP
Gm_L
A/D D/A
Gm_R
Gv
A/D
ANALOG CHECK through
Volume
MUSIC ECHO
Active
Min
(Min)
– ∞
0 dB
Active
Min
(Min)
Active
Min
(Min)
Fig. 3
0 5 4
Upper bit (decimal number)
1 6 9
Lower bit
(decimal number)
Checksum value:
INPUT select
"ECHO MODE" key
SW
Through
KP
D/A
INPUT Gm_L
MIC
Active Active
– ∞
(Min) (DVD)
Active Active
– ∞
(Min) (DVD)
– ∞
off 0 dB
– ∞ – ∞
off
3 9
(Hexadecimal)
8 6
(Hexadecimal)
3 9 8 6
L ch: 0 to 4, R ch: 6 to 10
VR
Music
VR
Mic
Gm_R Gv SW
– ∞ – ∞
through
– ∞
0 dB off
– ∞ – ∞
KP
– ∞
0 dB KP