Toa YA-7000 - Manual (Page 18)

18
10. BLOCK DIAGRAMS
10.1. FS-7006PA
POWER AMP
UNIT
(BUIL
T
-IN CURRENT
LIMITER)
MIX AMP
PRE- AMP
F
A
N CONTROL
CIRCUIT
• SPEED CONTROL
HEA
TSINK
TEMPERA
TURE
SENSOR
POWER FOR POWER
AMP
UNIT
POWER FOR SIGNAL
CIRCUIT
POWER FOR CONTROL
CIRCUIT
RUSH CURRENT CONTROL
THERMOST
A
T
PROTECTION CIRCUIT • POWER ON/OFF MUTE • TEMPERA
TURE
DETECTION
•
Y
A
-7000'S F
AUL
T
DETECTION
• SHOR
T
DETECTION
BIAS CONTROL
(POWER
AMP
UNIT)
Y
A
-7000 (OPTION)
LINE INPUT
0 dB 10 kΩ BALANCE
SPEAKER OUT 100 V
230 V
AC
50 Hz
4 Ω 70 V 100 V C
POWER
PT
OT
VOLUME BYP
ASS
CONTROL
FA
N
BYP
ASS
SIGNAL
PEAK
F
A
UL
T
POWER
H C