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L216
---
1
UNREG+
E1
2
3
4
5
UNREG-
A
B
VR-277 (2/2)
1
2
3
Q201
C244
C242
C204
33uF
33uF
S
SI9407AEY-T1
0.47uF
IC201
4
R201
50V
50V
C243
10k
MAX1745EUB-TG068
33uF
50V
10
9
5
6 7
8
L204
IN
EXT
100uH
C207
R243
4.7uF
8
6
10
VH
CS
R203
10
7
5
SHDN
OUT
R206
R246
33k
0
4
R202
FB
2.2k
D202
C251
RB060L-40TE25
2
3
0.001uF
VL
REF
GND
C213
C208
1
4.7uF
0.1uF
R207
10k
R208
1k
C247
C246
C245
Q202
33uF
33uF
33uF
SI9407AEY-T1
50V
50V
50V
1
2
3
C205
S
9
0.47uF
IC202
4
MAX1745EUB-TG068
10
9
5
6 7
8
L205
IN
EXT
100uH
C209
4.7uF
8
6
6
VH
CS
R204
10k
7
5
5
SHDN
OUT
R209
R247
33k
0
4
FB
D203
C252
0.001uF
RB060L-40TE25
2
3
VL
REF
GND
R210
C210
C214
15k
4.7uF
1
0.1uF
R211
4.7k
Q203
SI9407AEY-T1
1
2
3
C206
S
C249
C248
IC203
9
4
0.47uF
33uF
33uF
MAX1745EUB-TG068
50V
50V
10
9
5
6 7
8
L206
IN
EXT
100uH
C211
4.7uF
8
6
6
VH
CS
R205
R248
10k
7
5
5
0
SHDN
OUT
R212
33k
4
FB
D204
RB060L-40TE25
C253
0.001uF
2
3
VL
REF
GND
R244
C212
RV201
6.8k
C215
1
4.7uF
10k
0.1uF
NM
R213
330
6-12 (a)
C
VR-277 (2/2)
SUFFIX: -13
SUFFIX: -13
+5V
TP1
+5V
R235
1k
R214
L209
100uH
0.047
C219
56uF
C224
C227
C216
10V
100uF
100uF
56uF
10V
10V
10V
GND
+3.3V
TP8
!
+3.3V
R239
1k
L207
R215
100uH
THP205
0.047
C220
C222
C225
56uF
100uF
100uF
C217
10V
10V
10V
56uF
10V
BL_UNREG
BL
TP7
!
R241
L208
1k
R216
100uH
0.047
THP203
C221
56uF
C223
C218
100uF
C226
10V
56uF
100uF
10V
10V
10V
6-12 (a)
D
E
IC208
MAX1606EUA-TG069
D208
3
L213
RB060L-40TE25
L214
10uH
10uH
6
VCC
8
L210
LIM
SW
100uH
1
5
BATT
LX
C237
R234
0.001uF
470k
7
2
SHDN
FB
C229
GND
56uF
C240
10V
4
39uF
16V
R232
10
C254
10pF
R233
47k
IC205
MAX1606EUA-TG069
D206
3
L212
RB060L-40TE25
10uH
6
VCC
8
LIM
SW
-5V
L211
10uH
C234
R230
0.001uF
82k
1
5
TP3
BATT
LX
R221
C241
1
0.01uF
7
2
R231
SHDN
FB
R237
22k
C228
GND
C230
1k
100uF
4.7uF
4
10V
C233
R245
1uF
2.2k
D205
D207
RB060L-40TE25
RB060L-40TE25
+2.5V
TP5
IC207
LT1963ES8#TR
+2.5V
R240
1k
8
1
IN
OUT
R226
2.2k
5
2
SHDN
ADJ
4
R227
NC
47
C236
C239
0.1uF
100uF
10V
R228
100
R229
2.2k
GND
TP6
IC204
+5V_A
LT1963ES8#TR
+5V-A
R242
1k
8
1
IN
OUT
R217
2.2k
5
2
SHDN
ADJ
4
R218
NC
4.7k
C232
C231
56uF
0.1uF
10V
R219
100
R220
2.2k
GND
F
G
LED
TP4
IC206
LT1963ES8#TR
+12V
R238
1k
8
1
IN
OUT
R222
15k
5
2
SHDN
ADJ
4
R223
NC
C238
4.7k
C235
47uF
0.1uF
16V
R224
C250
10
47uF
16V
R225
2.2k
GND
-5V
L215
10uH
C255
100uF
10V
GND
VR-277 (2/2)
BOARD NO. 1-685-848-13
RM-B750_VR-277_013_2
RM-B750
H
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