Block Diagram 1 - Roland AT-80SL Service Notes

Jun. 2005

BLOCK DIAGRAM 1

fig.block
FUSE BOARD
T r a n s T r a n s
T RANS BOARD T RANS BOARD
F u l l Ra n g e ( 8 c m)
F u l l Ra n g e ( 8 c m)
F u l l Ra n g e ( 1 6 c m)
F u l l Ra n g e ( 1 6 c m)
T WEET ER
T WEET ER
Wo o f e r ( 3 0 c m)
66
F u s e
Po we r SW
F u s e
F u s e
F u s e
L AMP A BOARD
T r a n s
T RANS BOARD
T r a n s
T RANS BOARD
F OOT L AMP
MUSI C REST L AMP
PS AMP BOARD
Q1 , 7 , 1 1 , 2 0
POWER
MUT E
AMP
Q2 2 , 2 8 , 3 0 , 3 6
POWER
MUT E
AMP
C
MUT E
I C5 , 6
C
POWER
AMP
WAB BOARD
AC
In l e t
I L L UM I NAT I ON
L AMP B BOARD
L AMP C BOARD
I NDI CAT OR BOARD
POWER F OR F DD
I C1
A. GND
EQ
+/-12V
I C3
EQ
MUT E
I C5
EQ M I X
AMP
SW
RSS NORMAL
I NPUT
SW2
M I C PHONES BOARD
PHONES
I NPUT
J K1 0 J K1 1
AMP
Q1 2 , 1 3 , 1 4 , 1 6
POWER
IC5
L R L R
MAI N OUT
J K7 J K8 J K2 J K3
M I C
VOLUME
VR3
AMP
MUT E
I C1 4
MUT E M
V
L R
AUX OUT
J K5 J K6