Service manual

Schematic Diagrams
+1.5VS, +1.8VS B - 35
B.Schematic Diagrams
+1.5VS, +1.8VS
+5VS
+1.5VS
+1. 5V+
+VD D 5
VIN
VLVL
VL
+VDD5 9,13,16,19,23,26,29,30,32,36
+5VS 8, 11,14,16,19,22,23,26,28,29, 30,33,35,36
VIN 16, 29,30,31,32,36
SUSB 29,30
+1.5VS 10,14, 24,33
TR MTRI P#4,30
Z3406
Z3401
Z3408
Z3407
Z3404
Z3402
Z3409
Z3405
Z3403
Z3410
Z3412
TR MTRI P#
Z3415
Z3414Z3413
Z3416
C434
0.1U
C391
330U_2.5V_7343
C688
0. 1U
Q99
2N7002
G
DS
U27
SC1470
1
2
3
4
5
6
7 8
9
10
11
12
13
14
EN/ PSV
TON
VOUT
VCC A
FBK
PGOOD
GND PGN D
DL
VDDP
ILIM
LX
DH
BST
Q59
RQA200N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
R432
12K_1%
R632
10K
C431
*1U
C427
0. 1U
C909
0. 1U
R433
10
R417
0
R635
0
R633
1M
C392
330U_2.5V_7343
L56
1.5UH
C687
47P
R634
100K
C341
10U_0805
C424
0.1U
C672
0.01U
Q63
RQA130N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
C407
*10_1206
C422
2. 2U _1206
R638
20K _1%
R639
10K_1%
C426
0. 0 1U
+
-
PU7A
LM 358
3
2
1
84
PJ1
OPEN_9A
1 2
C390
330U_2. 5V_7343
C425
2.2U_1206
C671
0.1U
C686
10U_0805
R827
0
R828
*100K_1%
+
-
PU7B
LM358
5
6
7
84
D33
1SS355
AC
PC89
10U_25V_DIP
C911
*0.1U
R822
100K
D44
SM340A
A C
R821
2K
R820
10K_1%
Q80
2N7002
GS
D
R823
6.49K_1%
T424
GND_FIELD2 GND_FIELD2
9A
+1.5V= 0.5 * (1 + R581 / R575).
GND_FIELD2
GND_FIELD2
08-10692-2D0
GND_FIELD2
94/9/14
Change to
12K_1%
Rubba nd
O.V.P--->LOW
1.97V
O.V.P--->HI
94/9/26
Rubband
94/9/26
Rubband
Sheet 35 of 45
+1.5VS, +1.8VS