POWER DIAGRAM
AVR-S540BT/X550BT/X250BT VCC DIAGRAM
MAIN+B
MAIN-B
AC CORD
RELAY
!
!
!
MAIN TRANS
S
2
T
O
T
A
L :
415
.6
m
A
(AV
R
-S
540
B
T
/X
550
B
T
)
!
S5(FILAMENT)
S4(FL+Vdisp)
S2(+12V,-12V)
S1(AMP+B,-B)
KIA7812BPI
KIA7912PI
FILAMENT AC
A+12V
A-12V
Vdisp(+37V)
KIA7805BPI
+5.2V
MAIN PWR ON
TUNER+5V
FILAMENT AC
V-5V
V+5V
TFZV7.5B
VOLUME IC
(NJU72340A)
VOLUME IC
(NJU72340A)
MCU_3V3/MICOM
+3V3D/DIR,DSP
TPS51.1V)
TPS53.3V)
AP7361-Y-13
CEC3V3/HDMI
D1V8H/HDMI
D5V/VBUS : Only AVR-S540BT/X550BT USED
CEC5V/HDMI & DSP
(ADV7623)
(MN864788,EN25QH32B104HIP2B)
(STM32F101ZG,M24C32WMN6TP,PST8425NR,VFD)
(NJM8080 X 4)
(NJM2595)
25mA
37mA(28mA)
22mA
50mA
68mA
163mA
357.5mA
410mA
982mA
158mA
* TOTAL (5V): 1153.005mA(AVR-S540BT/X550BT)
TPS1.8V)
1000mA
(NJM2595)
MCU+5V FRONT LED(CVDBLBJEGJ204L)
20mA
SMPS Total Current : About 3607.786mA(AVR-S540BT/X550BT)
BU33TD3WG
45mA
DA+3.3V (USB DAC:PCM5100A)
MM1Z525V1B
MM1Z525V1B
TFZV7.5B
589.95mA
INPUT CURRENT (Ref Volage:5.2V)
(CS497024,CS42528,M12L16161A5TG2Q,EN25Q80B104HIP,SN74AHC157PWR)
CEC1V1/HDMI TX
(MN864788)
*DC-DC Effieciency:85%
158.02mA
291.92mA
(5.2V)
(5.2V)
(5.2V)
(5.2V)
DV3.3V/ADV7623,EN25QH32B104HIP2B
339mA
1200mA
USB3V3/BX8804,W9864G6JH-6, EN25QH16B104HIP2A, BT MODULE, IPOD CP : (Only AVR-S540BT/X540BT)
+5VA (NJM2740V X 2)
60mA
178mA
RELAY*5
10mA
CS42528(VA)
75mA
CS42528(VD), OPTICAL JACK X 2
113mA
650mA(50mA)
+1V8/DSP
(CS497024)
500mA
SWM3V3/DETECT PULLUP
1281.91mA(AVR-S540BT/X550BT)
HI+B
LOW-B
HI-B
LOW+B
BU12TD3WG
(5.2V)
USB1V2/USB(Only AVR-S540BT/X550BT USED)
(BX8804)
20mA
25mA
60mA
0.005mA
(HDMI CEC CONTROL/SN74CBT3251PWR)
SWM5V
(USB3V3/BT MODULE: Only AVR-X250BT)
0.02mA
* TOTAL (5V): 153.005mA(AVR-X250BT)
S
2
T
O
T
A
L :
406
.6
m
A
(AV
R
-X
250
B
T
)
844.02mA(AVR-X250BT)
SMPS Total Current : About 2109.901mA(AVR-X250BT)
D G
S
4
3
2
1
OPE
N
2
4
3
1
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
32