Appendix B: Block Diagrams - JBL VMA160 Operation Manual

Appendix B: Block Diagrams

VMA260 & VMA2120
24
Input 1 Mic/Line
[1/4" Bal]
+27V
Input 2 Mic/Line [Bal]
1/4" Bal
Input 2 PTT
+27V
Input 3 Mic/Line [Bal]
Summed RCA
Music 1 Line
[Summed RCA]
TO CH2
BT/USB
Control:
- Chime CH2 ON/OFF
- Input 5 PTT
Input 4 Mic/Line
[1/4" bal]
+27V
Input 5 Mic/Line [Bal]
1/4" Bal
Input 5 PTT
+27V
Input 6 Mic/Line [Bal]
Summed RCA
Music 2 Line
[Summed RCA]
BT/USB
*CH2_BT_SW*
- Chime CH2 ON/OFF
- BT/USB to CH2
- Input 2 PTT
- Input 5 PTT
TO CH2
TO CH2
VOX
TO CH2
TO CH2
*CH1_BT_SW*
Input 4
Input 4 to Ch 1
Input 5
Input 5 to Ch 1
Input 6
Input 6 to Ch 1
Music 2
Music 2 to Ch 1
TO CH1
TO CH1
VOX
TO CH1
TO CH1
Input 1
*CH2_CTRL_3*
- Input 1 to Ch 2
Input 2
*CH2_CTRL_4*
- Input 2 to Ch 2
- CH1_PRIORITY
Input 3
Input 3 to Ch 2
Music 1
Music 1 to Ch 2
Input 2 to Ch2
Attenuation
(VOX/PTT)
CH1_PRIORITY
*CH2_CTRL_1*
Control:
- Input 1 to Ch 2
- CH1_PRIORITY
- CH2_PRIORITY
Attenuation
(VOX/PTT)
CH2_PRIORITY