Onkyo TX-RZ800 Service Manual page 17

1
Block Diagram (Power Section)
M_PON
D
SMPS
C
B
P9000
A
1
2
SEC1H
PS PWB
T901
SEC1M AF/AMP PWB
+B1
-B1
78M12
+12VA
LEG
XC6701
LDO
-12VA
LEG
for Stby,
TRM PWB
79M12
Pure Analog
P9301
FR9888
DCDC
PS PWB
T902
AND
FR9888
VH
DCDC
AND
FLAC
190mAx2
FAN
VIDEO PWB
TRM PWB
SP RL
ASP PWB
Pre-Relay
+12V
30W
+12V
IR
12VTrg
230mA
78M05FA
+9V_DAC
+5VDAC
LEG
78M05FA
+5VDG
LEG
2
3
+12V
-12V
7ch Main Amp.
+
Protection
Circuit
-
for SubW, DownMix
P9201
and WholeHouse
RB050M
+5.0VST
160mA
ST_PON
VIDEO PWB
+5.0V_VD
Video SW
MM3404
100mA
(NJW1328) S-1333A18
LDO
1.5A
M2_PON
+5.2VDC
MM3404
+5.0VHT
LDO S-1333A18
HDMI_PON
OR HDMI OUT
NET_PON
HDMI_PON
+5VST
TPS22924
+3.3VDC
+3.3VHT
2.6A
+5.0VHT
HDMI_PON
OR
TPS22924
NET_PON
+1.8VHT
+5.2VDC
S-13A1A
+3.3VHT
LDO
FR9888
+1.8VDC
XC6221
DCDC 1.5A
LDO
HDMI_PON
OR
NET_PON
AND
+3.3VDC
Sparta
(Q8302)
FR9888
+1.1VHT
DCDC
0.5A
FP6861
+3.3VHT
BLM15PX121
Rear USB
HDMI_PON
FR9888
+1.0VDSP
DCDC
+3.3VDSP
DG PWB
+5VDAC
AVDD 53mA
AK4458
TVDD 16mA(TBD)
12mA
PCM9211 CLK Gen.
+5VDG VCCAD
for DIR
55mA
Q1200/1
S-13A1A
LDO
+3.3VDG
7mA(typ.)
30mA(max.)
OPT IN
COAX Buf.
3
4 5
Schematic Diagram
ASP PWB
+7VA
NJW1298 NJW1194
Q4001 x2
-7VA
for ADC,Z2LO,
Tuner and
Phono
HDM1566 PWB
CEC RL
(RL8400)
HDBaseT (600mA)
5mA
VDDIO
85mA
DVDD
50mA
LDO
ADV7180
VMPU (Q8701)
DEC_PDN
(Q8202)
SPI SW (Q8003)
AVDD
LDO 94mA
25mA
DEC_PDN
SPI Flash
for MNx787
Q8101
128Mbit
1.6A
1.6A
MN864788 MN864787
(Q8000) (Q8401)
64mA
S-1333A33
+3.3V_Z2Z3DAC
Z2/Z3 DAC
LDO
M2_PON
FP6861
+3.3VDSP
0.1A
M2_PON
CS49844
1.5A
(Q3404)
FP6861
+3.3VNET
VDD_USB1.8V
Delay IC
(Q3201,Q3005)
15mA
BU18TD DA83x
VDD_USB1.8V
(Q3001)
LDO
50mA
VDD_CORE1.3V
S-13A1A13
0.5A
VDD_CORE1.3V
LDO
NET_PON
4 5
6
DIS PWB
DAC Fil. for Mic.
DG PWB
VH
FLAC
48mA
+5VDIS
LED
Mic.Mute
+3.3VDD
P7001
Thermal
RemoSense
BU2090
( ) Rot.Enc.
SW PWB
DIS_PON
S-1333A33
MUTE 12mA
LDO
+3.3VST
MMPU (Q7009)
30mA
30mA
EEPROM (Q7001)
CEC SW (Q7013)
Reset IC (Q7020)
VIDEO PWB
IR IN
+3.3V_VD
RS-232C (Q2000)
S-1333A33
+3.3VTU
Tuner
LDO
36mA
TU_PON
32Mbit
Serial Flash (Q3401)
25mA
CS49844 SDRAM
(Q3406)
120mA
0.3A
DA83x SDRAM(Q3003,Q3004)
20mA
DA83x Flash (Q3002)
TC74VHC541 (Q3301)
PHY (Q3108)
50mA
TC7MBL3245 (Q3408)
TC74LCX125 (Q3361)
FP6861
Wifi/BT Module
175mA
USB0_DRVBUS
6
D
C
B
A