Harman JBL Commercial VMA Series - Page 25

25
VMA260 & VMA2120 Continued
VCA
POWER
AMP
HPF
TONE
CONTROL
Hi-Z Switch
Feedback
MASTER VOLUME
REMOTE VOLUME
OUTPUT
TRANSFORMER
(CH 1)
100V
70V
COMMON
-
+
SPI CLIP
VCA
POWER
AMP
HPF
Feedback
REMOTE VOLUME
OUTPUT
TRANSFORMER
(CH 2)
100V
70V
COMMON
-
+
SPI CLIP
MASTER VOLUME
TONE
CONTROL
Hi-Z Switch
MCU
SDRAM
DAC
FLASH
BT MODULE
BT/USB
MCU SECTION
CRYSTAL