Main (Voltage Regulator) Circuit - Panasonic SA-AKX17PH Service Manual

15.7. MAIN (Voltage Regulator) Circuit

1 2 3
SCHEMATIC DIAGRAM - 8
A
MAIN (VOLTAGE REGULATOR) CIRCUIT
MI ECO_CTR
MI POWER
MI
PROT
MI 32V5
B
MI DGND
MI SMPS_REGION
MI PCONT
MI TEMP_DET
PW_SYS_3R3V
MI
MI SYNC
MI AM_BP
MI PW_12V
MI DC_DET_PWR
R1025
0
C
PW_16V
MI
CD PW_6V
MI PW_3V3
MI PW_5V
MI DGND
D
IC1000
C0DBGYY03909
+3.3V VOLTAGE REGULATOR
GND VOUT VIN
1 2 3
E
F
G
CD: MAIN (CD SERVO) SCHEMATIC DIAGRAM - 1~3
MI: MAIN (MICON) SCHEMATIC DIAGRAM - 4
NOTE: " * " REF IS FOR INDICATION ONLY
H
1 2 3
4 5 6
: +B SIGNAL LINE
R1037
0
L1001
G1C100MA0291
3
D1002
B0ADDJ000032
R1030
2 1
15K
L1000
G1C4R7MA0445
D1001
R1004
B0EAKM000117 7.5K
R1005
56K
R1008
15K
R1006
10K
4 5 6
7 8 9
C1005 0.1
IC1002
C0DBAYY01594
+12V DC-DC CONVERTOR R1042
0
10 PH BOOT 1
9 2
GND VIN
8 3
COMP EN
R1044
7 VSENSE SS/TR 4 C1021
56K
4.7
6 5
PWRGD RT/CLK C1018
0.01
R1031
T1
56K
C1016 0.1
IC1003
C0DBAYY01594
+6V DC-DC CONVERTOR
10 1
PH BOOT
9 2
GND VIN
8 EN 3
COMP
7 4
VSENSE SS/TR
C1019 R1045 C1020
0.01 4.7
56K
6 5
PWRGD RT/CLK
R1016
T1
56K
7 8 9
54
10 11 12 13
CN1000*
ECO_CTR
13
12 POWER
SYNC
11
10 TEMP-DET
9 AM-BP
8 SMPS-ID
TO SMPS MODULE P.C.B.
7 PROT
SYS3V3
6
5 NC
4 PWR_GND
3 PWR_GND
2 32.5V
1 32.5V
SA-AKX17PH/PN MAIN (VOLTAGE REGULATOR)
10 11 12 13
14
A
B
C
D
E
F
G
CIRCUIT
H
14