Main (Digital Power) Circuit (2/2) - Panasonic SA-MAX8000GN Service Manual

12.14. Main (Digital Power) Circuit (2/2)

15 16 17
SCHEMATIC DIAGRAM - 13
A MAIN (DIGITAL POWER) CIRCUIT
PDET
15V
PCONT
GND_15V
PW_SW5R4V
P1
TO MAIN (DIGITAL POWER)
CIRCUIT (1/2)
AB AS PW_+40V
QR8005
B1GDCFGA0018
POWER DETECT
AB AS PW_-40V
15 16 17
18 19 20
: +B SIGNAL LINE : -B SIGNAL LINE
IC8005
C0DBAYY01996
L8002
+5.4V DC-DC
G1C100MA0226
CONVERTER
C8022
0.1
R8015
R8016 C8028
10
0 0.1
TL 8000
1 8
BOOT SS
LB8003
J0JGC0000063
C8021
2 VIN EN 7
390P
SW
3 NC 6
(VOUT)
4 GND FB 5
T1
LB801
J0JGC0000063
L8001
G1C100MA0226
6 5 4
C8017 R8005
R8006
0.1 10 0
R8010 C8009 R8007
0 390P 5.6K
1 2 3
R8009
10K
IC8004
C0DBAYY01997
+5V DC-DC
CONVERTER
D8011
DA2J10100L
QR8004
R8058 R8055
B1GBCFJN0038
8.2K 22K D8012
PCONT DZ2J130M0L
QR8003
B1GBCFJJ0040
C8070 R8059 C8069 R8057
10 120K 10 R8056
15K POWER DETECT
1K
18 19 20
21 22 23
D8003
DA2J10100L
LB8002
J0JHC0000046
R8014
33
R8012
460K
R8013
10K
QR8045
B1GBCFNN0038
C8045 POWER DETECT
0.047
D8001
DA2J10100L
LB8001
J0JHC0000046
PDET_+40V
MI
21 22 23
59
24 25 26 27
IO: MAIN (IO EXPANSION): SCHEMATIC DIAGRAM - 1
FA: MAIN (FAN LED): SCHEMATIC DIAGRAM - 2
DS: MAIN (DSP): SCHEMATIC DIAGRAM - 3
AB: MAIN (AMP BTL): SCHEMATIC DIAGRAM - 4 ~ 5
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 6 ~ 7
AS: MAIN (AMP SINGLE): SCHEMATIC DIAGRAM - 8 ~ 9
FE: MAIN (FE): SCHEMATIC DIAGRAM - 10
KA: MAIN (KARAOKE): SCHEMATIC DIAGRAM - 11
DI: MAIN (DIGITAL POWER): SCHEMATIC DIAGRAM - 12 ~ 13
US: MAIN (USB): SCHEMATIC DIAGRAM - 14
AU: MAIN (AUX TUNER): SCHEMATIC DIAGRAM - 15
IC8003
C0DBGYY03909
+3.3V LDO D8008
DA2J10100L
GND VOUT VIN
1 2 3
LB8004
J0JHC0000046
PW_SW3R3V
PW_SW5R4V
K8001
0
PW_CD_SW5R4V
USB_A_PCONT
IC8002
C0DBZYY00716
USB SWITCH
5 VIN VO 1 USB_A_SW5R1V
GND 2
EN
4 3
FLAG
USB_B_OVC
IC8008
C0DBZYY00716
USB SWITCH
5 VIN VO 1 USB_B_SW5R1V
GND 2
EN
4 3
FLAG
USB_B_PCONT
1/2 2/2
SA-MAX8000GN MAIN (DIGITAL POWER)
24 25 26 27
28
A
B
C
KA AU IO KA
DS MI AS FE
D
AS KA US IO FA DS
FE
IO
E
US
F
MI
US
G
MI
CIRCUIT
H
28