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1
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-SR343 block diagram below)
D
C
BAPS-1737
SUB
Power Supply
B
TRANS.
for STANDBY
Relay
FUSE
AC IN
F9001
RL9001
A
1
2
3
BAPRC-1758
M POWER
BAAF-1712
POWER
TRANS.
T901
SEC-1
(H)
(HIGH)
FUSE
SEC-1
F6401
(L)
(LOW)
F6402
2
3
4
Amp Diag Mode after Abnormal Conditions
MPU
Q7009
M POWER
SEC1H
Power amp.
BACLA-1734
VOLTAGE
DRIVE
RELAY
Power
RL6430
Supply
(H)
RL6440
or
(L)
Power
Supply
4
5
THERMAL
SPRLF
VOLH
VPROTECT
IPROTECT
P8002
DC
CURRENT
(Front L)
DETECT
DETECT
Q6050
P6080
Q6060
VPRO : DC voltage detection
IPRO : Current detection
5
6
D
BAETC-1713
THERMAL
DETECT
Q6300
C
VOLTAGE
DETECT
RELAY
B
RL6600
(FL/FR)
A
COMMON
6
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