Amp Diag Mode after Abnormal Conditions
5
4
3
2
1
6
D
C
A
B
D
C
A
B
5
4
3
2
1
6
COMMON
Protect Mode
The unit goes into standby automatically when detect the abnormal condition of thermal detection, dc voltage detection or current detection. (e.g. TX-NR555 block diagram below)
BACLA-1988
BAAF-1979
BAETC-1980
BAPS-1984
BAPRC-2034
MPU
Q7009
VOLTAGE
DRIVE
RELAY
RL6501
(FL/FR)
Power amp.
(Front L)
Q6001
Q6021
SPRLF
THERMAL
DETECT
Q6800
POWER
TRANS.
T901
CURRENT
DETECT
Power
Supply
AC IN
PON_MAIN
PON_MAIN
Relay
RL9001
FUSE
F9002
SEC-1
(HIGH)
SEC-1
(LOW)
FUSE
F6901
F6902
RELAY
RL6911
RL6912
Power
Supply
(H)
(L)
(H)
or
(L)
SEC1H
IP
RO
DC
DETECT
V
P
RO
IPROTECT
VPROTECT
VOLTAGE
DETECT
V
O
L
H
VOLH
THERMAL
P
6800A
P
9002
P8002
P
2800B
SUB
TRANS.
Power Supply
for STANDBY
VPRO: DC voltage detection
IPRO: Current detection
BATRM-2023
SPEAKER
-
O
U
T
