Sharp HR-MB3 Service Manual page 20

HR-MB3
A
MAIN PWB-A (4/6)
B
J400
TL404
F400
DC IN 6V
1.6A/36V
TL405
C
D
E
P401
TL406
BATT
(+) 1
2
(-)
F
BATTERY ON/OFF
TL407
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
L400
D400 R406
R426
RB160M30 150K
0
C434
0.1u
D408
UDZS8R2B
R434
5.6K
C427
10u
USBIN
20
LDO
1
R451
5.6K
C400
1u
R453
680
R452
680
R443
680
1 2 3
SW401
TL408
C424
0.1u
R424
270K
R425
330K
2 3
Figure 6-7 SCHEMATIC DIAGRAM (7/12)
+B
R427
150K
TL410
R438
0
C428
0.1u
R407
15K
R405
TL402
33K
TL409
TL400
R402
47K
+B
Li-Ion CHSRGE AND
19 18 17 16 15 14 13 12
POWER MANAG
11
VSS
IC400
ISET1
10
2 3 4 5 6 8 9
7
TL401 TL403
R408
C429
15K
10u
R433
560K
2
R430
10K
D403
RN1104
KDS121E
R429
2
10K
3
1
R404 D401
R400
100K KDS121E
1K
2
3
1
R401
1K
D406
1SS400
2
1
Q403
RN2104
C425
3
0.1u
R428
0
4
6 – 7
R450
0
C402
10u/6.3V
P-CON
TL411
IC400 CVCC_CTL
BQ24032
Q404
MCH3405
R436
3.3K
D
G CHARGER_CE_CONT
S
R445
560K
CVCC_CTL
1 HDD_ON
CE_CONT
3
Q402
P-CON
P-CON
R409
100K C401
0.1u
D404
R437
1SS400
1K
DCDC_EN
D402
RB520S30
FUNCTION_SW2
D405
RB520S30
POW_ON_SW2
LCD_BL_ON
BATT_DET
5
IC
TPS6
1.6V DC/
+B
V
1
C403
10u/6.3V
G
2
E
3
+B
1
C404
10u/6.3V
2
+B
3
IC402
TPS72201
1.6V
REGULATO
+B
1
C405
10u/6.3V
2
3
R435
100K
T
3.3V DC
+B
1
C406
10u/6.3V
2
3
TP
3.3V DC
+B
+B
C422
10u/6.3V
R446
0
D
6