Read Panasonic SC-NA10EE / SC-NA10GS / SC-NA10GSX Service Manual Simplified online
12
5.4.
MAIN (POWER) CIRCUIT
A
A
SCHEMATIC DIAGRAM - 4
SC
-NA10EE/GS/GSX
MAIN (POWER) CIRCUIT
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
MAIN (POWER) CIRCUIT
NOTE: “ * ” REF IS FOR INDICATION ONLY
AI: MAIN (AUDIO IN) CIRCUIT: SCHEMATIC DIAGRAM - 1
CH: MAIN (CHARGER) CIRCUIT: SCHEMATIC DIAGRAM - 5
DA : MAIN (DAMP) CIRCUIT: SCHEMATIC DIAGRAM - 3
MI: MAIN (MICON) CIRCUIT: SCHEMATIC DIAGRAM - 2
CH: MAIN (CHARGER) CIRCUIT: SCHEMATIC DIAGRAM - 5
DA : MAIN (DAMP) CIRCUIT: SCHEMATIC DIAGRAM - 3
MI: MAIN (MICON) CIRCUIT: SCHEMATIC DIAGRAM - 2
: +B SIGNAL LINE
C1857
10
C1886
10
C1859
10
C1887
10
PW_DSP_SW8R4V
0
R1891
C1858
10
3
1
2
4
5
C0DBAYY01629
IC1855
10
C1878
4
6
5
2
1
3
Q1851
B1CHQC000020
R1834
0.1
R1887
0
C1880
10
PW_STNBY3R3V
PW_SW1R8V
0
R1893
VOLTAGE REGULATOR
0
R1895
PW_SW3R3V
270K
R1866
140K
R1865
G1C220MA0392
L1854
FB
EN
VIN
LX
0
R1894
10
C1875
VBUS_CHG_DET
PW_USB_SW5R0V
100K
R1837
PW_SW5R0V
1K
R1835
1K
R1833
R1836
100K
0
R1892
1
2
IP1891
1.1A
C1881
10
QR1830
B1GBCFNA0030
10K
R1838
C1830
10
R1839
SWITCH
470K
3
1
2
4
5
C0ABAA000071
IC1831
C1882
10
1.5K
R1868
1
2
5
6
3
4
IC1851
C0DBZYY00577
18K
R1882
27K
R1876
10
C1852
LP_EN
DGND
ADPT_CNT
MI
MI
CH
AI
DA
CH
AI
MI
MI
MI
MI
AI
MI
AI
MI
PW_+B
0
R1872
0
R1871
QR1855
B1GBCFNN0041
R1873
0
C1851
10
R1857
27K
C1855 5600P
150K
R1852
R1853
+8.4V VOLTAGE
REGULATOR
0
0.1
C1854
7
8
6
5
2
1
3
4
B1CHRC000047
Q1853
6
7
T1
5
2
4
3
8
THERMAL PAD
1
C0DBAYY01896
IC1852
5.6K
R1890
R1896
1K
R1856
33K
R1855
330K
180P
C1890
G1C4R7ZA0350
L1851
12K
R1851
R1854
12K
C1856
47P
B0JCND000021
D1851
R1869
470K
0.1
C1883
C1853
0.1
C1871
0.1
6
7
T1
5
2
4
3
8
THERMAL PAD
1
IC1854
C0DBAYY01798
R1874
0
R1884
0
P_CNT_2
P_CNT
C1870
10
470K
PCNT
SWITCH
PCNT
SWITCH
R1898
R1899
470K
QR1856
B1GBCFNN0041
C1891
0.1
S
D
G
FK3503010L
Q1857
C1895
+5V DC-DC CONVERTER
+3.3V DC-DC CONVERTER
1
4700P
C1865
100K
R1858
1
C1860
7
8
5
4 COMP
SS
GND
PDR
SW
VIN
REF
FB
3
2
1
6
IC1853
C0DBAYY01599
R1897
0
3300P
C1864
USB_CHG_OVC
USB_CHG_EN
180K
R1859
C1872
10
10
G1802*
B0JCND000021
D1852
C1885
0.1
G1C100MA0624
LB1852
R1878
470K
R1879
10K
R1861
56K
C1873
B1GBCFNN0041
QR1853
C1866
10
10
10
10
C1868
C1869
C1867
0
R1860
C1861
10
10
C1862
R1863
0
150K
R1862
G1C220MA0392
L1853
R1864
47K
AGND
C1894
0.1
J0JHC0000046
LB1851
L1852
G1C100MA0624
GND
+1.8V DC-DC CONVERTER
EN
IN
GND
FAULT
OUT
HIGH SIDE SWITCH
ILIM
GND
+
VCC
-
OUT
EN
VIN
AGND
EN
PGND
SWITCH
SW
COMP
SW
GND
FB
PG
FB
VIN
BOOT
RT/CLK
SWITCH
VOS
DA
DA
DA
CH MI
AI
MI
MI
CH
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