Marantz AV8802/U1B Service Manual page 121

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AV8802A BLOCK DIAGRAM (P.SUPPLY)
ＡＣ ＰＬＵＧ
CONTR GND
OLLER
IN Tr
OUT
Tr
REG
IN OUT
REG
DIGITAL PCB BLOCK
MAIN_POWER
NJM2845DL
REG
IN
AUDIO BLOCK
+12V
GND
-12V
ANALOG AUDIO BLOCK
ANALOG_AUDIO_+7V 0.42A
ANALOG_AUDIO_GND
ANALOG_AUDIO_-7V 0.42A
TRIG/FAN BLOCK
FAN_+6～12V
FAN_GND
0.62A
RELAY_12V
RELAY_GND
TRIGGER1&2_+12V 0.3A
TRIGGER_GND
ANALOG VIDEO BLOCK
ANALOG_VIDEO_+5V 0.4A
REG
IN OUT ANALOG_VIDEO_+3.3V 0.38A
ANALOG_VIDEO_GND
ANALOG_VIDEO_-5V 0.2A
FLD BLOCK
FLD_AC
0.25A
FLD_AC
FLD_VKK 0.02A
FLD_GND
D5V RESET/B_DOWN
M+3.3V
MAINCPU_CONTROL
MAIN CPU
M+3.3V
OUT
SWM+3.3V
3.3V FET 3.3V HD_RADIO
IN OUT SWM+3.3V
FDC60BPZ SWM3.3V
M3.3V
CPU_POWER_MO
form_MAIN M+3.3V
SWM+3.3V FRONT
3.3V TR 3.3V
IN OUT
REMOTE+3.3V
2SA2018 REMOTE3.3V
M3.3V
REMOTEPOWER_MO
form_MAIN
3.3V 3.3V
TR
IN OUT 232C+3.3V 232C
2SA2018 232C3.3V
M3.3V
232C_POWER
SCPU5V
form_MAIN
NJM2845DL
5.2V
5.2V TR
IN OUT REG
IN OUT
2SA2018 SCPU5V
D5V
SUB CPU
SCPU_POWER_MO
form_MAIN
SCPU+3.3V
SUBCPU_CONTROL
3.3V DC-DC_CONV. 1.1V
IN OUT DSP1.1V1
ADP2114ACPZ-R7 DSP1.1V
D3.3V
DA_POWER
5.2V DC_DC_CONV. 3.3V
IN OUT DSP/DIR/
DA3.3V
EX3AV DA3.3V
D5V
PLD/DAC
DA_POWER
form_SUBCPU
NJM2845DL1-18
REG DA1.8V
IN OUT
1.1V
5.2V DC-DC_CONV.
IN OUT DA1.1V2
EX3AV CEC1.1V
D5V
CEC_POWER
form_SUBCPU
121
5.2V
5.2V IC
IN OUT
FRONT_USB_VBUS
NCP380
D5V
cam_xclka
form_920
5.2V IC
IN
NCP380
D5V
cam_xclka
form_920
5.2V DC-DC_CONV. 3.3V
IN OUT
EN5339QI NET3.3V
D5V
920_POWER
from_MAIN
2.5V
5.2V DC-DC_CONV.
IN OUT
EN5339QI NET2.5V
D5V
920_POWER
from_MAIN
5.2V DC-DC_CONV. 1.8V
IN OUT
EN5339QI NET1.8V
D5V
920_POWER
from_MAIN
CEC_BUFFER
5.2V DC-DC_CONV. 1.2V
IN OUT
EN5339QI NET1.2V
D5V
870_POWER
from_MAIN
5.2V
5.2V TR
IN OUT
2SA2018 CEC5V
D5V
CEC_POWER
form_SUBCPU
5.2V DC_DC_CONV. 3.3V
IN OUT
EX3AV CEC3.3V
D5V
CEC_POWER
form_SUBCPU
5.2V DC-DC_CONV. 1.2V
IN OUT
EX3AV CEC1.2V
D5V
CEC_POWER
form_SUBCPU
5.2V DC-DC_CONV. 1.2V
IN OUT
EX3AV CEC1.2V2
D5V
CEC_POWER
form_SUBCPU
5.2V DC-DC_CONV. 1.2V
IN OUT
EX3AV CEC1.2V3
D5V
CEC_POWER
form_SUBCPU
5.2V
5.2V TR
IN OUT
2SA2018 DV5V
D5V
DV_POWER1
form_SUBCPU
3.3V FET 3.3V
IN OUT
FDC60BPZ DV3.3V
CEC3.3V
DV_POWER1
form_SUBCPU
1.8V
5.2V DC-DC_CONV.
IN OUT
EX3AV DV1.8V
D5V
DV_POWER2
form_SUBCPU
FRONT_USB_VBUS
5.2V
OUT REAR_USB_VBUS
FRONT_USB_VBUS
920_CONTROL
NET3.3V
NET2.5V
CY920
PHY/RAM/ROM
NET1.8V
NET1.2V
CEC5V
CEC3.3V
HDMI SW1
HDMI SW2
CEC1.1V
HDMI TX
CEC1.1V2
CEC1.1V3
DV5V
DV3.3V
DECORDER
I/P OSD
DV1.8V
VIDEO PLD