Power Diagram - Marantz M-CR612 Service Manual

POWER DIAGRAM

M-CR612 POWER Supply Diagram
+29V
SMPS
Trans
IC221SN7812
+12V_D
+12V
Regulator
IC222 SN7812
+12V_A
+12V
Regulator
SMPS
Trans
IC223 KIA79L12
-12V_A
-12V
Regulator
IC93 7812A
Q229 + D228
+20V
+12V
+20V
Regulator
U1001 TPS22975
U1002 TPS22975
U102 P T
+3.3V
DCDC
IC108 TPS563201
+29V
D-amp
TAS5142
D-amp
TAS5142
IC705 KIA7808AF
+8V_M
+8V CD
Regulator BA5810
Driver
+12V
H/P&SW
&Preout
OPAMP,Mute
+12V
Relay
IC901 KIA7808
+7.5V
+7.5V AudioSelect
OPAmp
Regulator
-7.5V
Regulator
-7.5V -7.5V
IC106 KIA7805
5V_A
5V DIR
Regulator
+16V
OLED
LEGO5V
LEGO
Current USB
Protector
VBUS
U1005 TPS25221
NET +3.3V
I/O,iOS
for LEGO
+5V
+5VD
+3.3V
DAB
Regulator
2 S 9 2 5 7 I 8 C 1 0 AP7361
TUNER
U906 TPS22918
+3.3VD
+3.3V DIR1
Regulator
DIR2
IC107 TLV75733
DAC
PCM5100
Inverter
for OPT
STA309A
+3.3V D-AMP
Regulator
TAS5558
IC105 LP5912
+3.3V CD
Regulator
DSP
IC704 TLV75733
LED
for
illumination
+3.3V_OLED
LED
Driver
Q152 Tr
OLED
Optical
IN
Q154 Tr
MCU
Flash for
China font
IR
R,G LED
23
SUB POWER CONT
(Power-H)
OLED P_CONT
NET5V POWER
NET3V3 POWER
TUNER_DAB_ON
OLED_cont
OPT_PWR_cont