Ac In; Power Button - Hitachi M300N Service Manual

Schematic Diagrams

AC IN; Power Button

Sheet 25 of 29
AC IN; Power
Button
B - 26 AC IN; Power Button (71-M3000-D04)
JPWR1
TOTAL-PW [21]
1
2 VA
3
4
PC69
5
0.1uF(0805)
6 VIN
7
CON7
PC59 PC60 PC58
0.1uF(0805) 0.1uF(0805) 0.1uF(0805)
VA
+3VH8
+3VS
R322 PD21 R301
RB751V *10K
10K
R536
Z2616
AC_IN# [12,21]
0
[4,13,18,19,22,29]
VA C
R359 0 Z2614 B Q13
DTD114EK
R360 E
PD22
10K(R) RB751V
Z2604
Q25
DDON G
2N7002
R495
D33
A C Z2603
VA
R_1210
(1210)
1N4148
Q23
D32 1SS355 1198 D34
R471 0 Z2609 A C VSOURCE E C A C
VIN
1N4148
R482
56K
Z2601
R480
R481
10K
Z2602
[16] M_BTN#
100K
Q7
+1.5V +1.5VS
9410
8
7
6 3
5 2
1
+12V
R147
Z2608
C135 C121 R131
768K
10uF/10V 100K
0.1uF
C
SUSB B
Q8 E
DTD114EK
+3VS [3,4,5,6,7,8,10,11,12,13,14,16,17,18,19,21,23,27,28]
VA [29]
+2.5V [5,7,8,12,18,22]
VIN [11,22,28]
+3V [4,12,13,14,16,18,20,21,22,24,25,28]
+3VH8 [3,4,11,13,16,21,22,29]
+5VH8 [11,21,22]
+5V [8,14,15,16,22,25,28]
+5VS [6,11,12,14,17,19,21,23,28]
+12V [22,25]
VB VIN
PD18 20QS04
A C
8 PQ14
7 3
6 2
5 1
4
Si4835
+3VH8
14 U12F
R213
SUSB# Z2612 13 12 SUSB
SUSB#
7
33 74LVC14
[21,22] DDON
+5V Q26
1198
E C
R487
Z2605
10K
U50
Z2615 8 1
INPUT OUTPUT
C555
Z2606
7 2 C548
FB SENSE
1uF C571
1000P 10uF/10V
Z2617
6 3
VCC S.D
TZ2601
5 4
ERROR GND
AS2951
R470
+3VH8 PWR_SW# [21]
10K
PWRSW# H TO L
TO H8
Q22
Z2607 G
2N7002
5VON L TO H
R472 3VON L TO H
C523
68K
1uF_0603
+5VH8
3/13 R400
*0 +3VH8
U34
(0805)
+VDD5
R399 0 Z2620 1 5
VIN VO
R401 *249 2
GND
12/03 3 4 Z2611
SD BP
C368 C367
10uF/10V 10uF/10V
SI9183-3.3
C362
0.1uF
Q24
+3V +3VS
9410
3/25
8
7
6 3
C581 5 2
2.2uF 1
+12V
R489
Z2613 C582 C583 C584 C547
C543 +
330K
*220uF/6.3V 10uF/10V 10uF/10V 10uF/10V
C 0.1uF
SUSB B 3/25
Q27 E
DTD114EK
+VDD3
R415
4.7K
DD_ON#
DD_ON# [22]
Q18
DDON G
2N7002
+5VH8
D35
ZD5.6V
Q16
+5V +5VS
9410
8
7
6 3
5 2
1
+12V
R90
Z2610
C361 R106
330K C70
10uF/10V 100K
0.1uF
C
SUSB B
Q6 E
DTD114EK
R490 R532
100K 100K_1206