Yamaha WF41880 Block Diagram

XM4180/XM4080/XH200 Owner’s Manual 17
■Block Diagram
●XM4180/XM4080
●XH200
INV
BA
BA
STEREO
BRIDGE
PARALLEL
STEREO
BRIDGE
PARALLEL
STEREO
BRIDGE
PARALLEL
STEREO
BRIDGE
PARALLEL
CH A
CH B
CH C
CH D
MODE SW
CH C
CH D
LIMITER
CLIP
x4
SIGNAL
x4
PROTECTION
x4
ATT
TEMP
LIMITER
INV
BA
BA HPF
OFF
20Hz
55Hz
OFF
20Hz
55Hz
LIMITER
OUTPUT LEVEL(MONITOR)
MUTE (REMOTE CONTROL)
PROTECT STATUS (MONITOR)
MONITOR/REMOTE
MAIN CH A
CH B
CH C
CH D
(+) BRIDGE
(–) BRIDGE
BRIDGE
BRIDGE
(+)
(–)
MUTE
PS
TEMP
DC
PROTECTION
PROTECTION
PROTECTION
FAN
MODEL-ID
STEREO
BRIDGE
PARALLEL
STEREO
BRIDGE
PARALLEL
STEREO
BRIDGE
PARALLEL
STEREO
BRIDGE
PARALLEL
MUTE
PS
TEMP
DC
MUTE
PS
TEMP
DC
MUTE
PS
TEMP
DC
INPUT
CH A
CH B
INPUT
OUTPUT
OUTPUT
LINE
FILTER
POWER SW SUB TRANS
+15V
GR/OR (GR+RE)
J,H,B,W,K,C
distination
U,V,T,
distination
+15V
–15V
+BL
–BL
+24
–24
+15
–15 15G
RELAY
DRIVE
MAIN TRANS
POWER ON
DETECT
BGND
+BH
–BH
+5V
DRIVER
SWITCHING
SHUTDOWN
CIRCUIT
OVERCURRENT
DETECT CIRCUIT
TEMPERATURE
SENSOR
STANDBY (REMOTE CONTROL)
PROTECTION
PA
PA
PA
[+4dBu] [+4dBu] XM4080[+30dBu]
XM4180[+34dBu]
LIMITER PA
RE RE GR
HPF
OFF
20Hz
55Hz
HPF
OFF
20Hz
55Hz
HPF
MODE SW
POWER/STANDBY
XM4080[+30dBu]
XM4180[+34dBu]
HPF HPF
[+14dBu]
Maximum Output Power (20 –20 kHz THD+N 0.1 %)
MODEL
XM4180
XM4080
8 Ω
180 W x 4
80 W x 4
PA
INV
BA
CH A
CH B
HPF
40Hz
80Hz
CH A
CH B
LIMITER
CLIP
x2
SIGNAL
x2
PROTECTION
x2
TEMP
PALIMITER
PALIMITER
PALIMITER
CH A
CH B
MUTE
PS
TEMP
DC
FAN
MUTE
PS
TEMP
DC
INPUT
OUTPUT
HA
–3dB
OFF
INV
BA HPF
40Hz
80Hz
HA
–3dB
OFF
PROTECTION
PROTECTION
70V
100V
OUTPUT
OUTPUT 70V/100V
OUTPUT VOLTAGE SW
VOLTAGE
LINE
FILTER
POWER SW SUB TRANS
+15V
J,H,B,W,K,C
distination
U,V,T,
distination
+15V
–15V
+BL
–BL
+24
–24
+15
–15 15G
RELAY
DRIVE
MAIN TRANS
POWER ON
DETECT
BGND
+BH
–BH
+5V
DRIVER
SWITCHING
SHUTDOWN
CIRCUIT
OVERCURRENT
DETECT CIRCUIT
TEMPERATURE
SENSOR
[+4dBu]
70V [+1dBu]
100V [+4dBu]
100V [+42dBu]
70V [+39dBu]
70V [+33dBu]
100V [+36dBu]
70V [+11dBu]
100V [+14dBu]
70V [+33dBu]
100V [+36dBu]
70V [+11dBu]
100V [+14dBu]
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
RE RE GR
POWER/STANDBY
OUTPUT VOLTAGE SW
HPF
GR/OR (GR+RE)
OUTPUT LEVEL(MONITOR)
MUTE (REMOTE CONTROL)
PROTECT STATUS (MONITOR)
MONITOR/REMOTE
MODEL-ID
STANDBY (REMOTE CONTROL)
Maximum Output Power (20 –20 kHz THD+N 0.1 %)
OUTPUT VOLTAGE SW
OUTPUT VOLTAGE
70 V
200 W + 200 W/25 Ω
100 V
200 W + 200 W/50 Ω