EUROCOM D47EV Service Manual page 128

Schematic Diagrams
+3V, +5V, +12V
VDD3
Sheet 39 of 42
+3V, +5V, +12V
24 DD_ON
27 PWRS
B - 40 +3V, +5V, +12V (71-D40U0-D04A)
VIN
PC78 PC76
0.1U 10U/25V
SYS3V
PR116
PJ7 4A PL10
0.015_2010 CDRH-1205-100
6mm
PC52 + PC62 +
220U 220U PC79
PC184 PR181 PR171 1M PQ59B
AO4900
100P 10K_1% 47P
PR182
27.4K_1%
VL
PR57 0
VL DD_ONH
E C
PR166 VL
PQ44 R
DTA114EUA
DD_ON# 37,38
PQ64
G PQ41 2N7002
2N7002 G
TEST 36,40
RB
1M
7/8
C A
PD20 1SS355
PR59 10K
PWRSW# 24
VDD3
PQ65
PWSEN
G 2N7002
VIN1
PD18 1SS355
VA
A C
E C PD19 1SS355
VIN
A C
PQ39
2SB1198
PR174 100K PR175 100K
PWSEN DD_ONH
PR4 100K 10 mil G G
PQ42 PQ43
2N7002 2N7002
PR3 PC183 PR60
100K
0.1U 1M
NEAR J4
VL
PR160
V+
VIN1
5.1
PC175 PC74
A 0.1U
PD16 PC73 PC168 10U/16V
RB751V 0.1U
1U/50V_0805
PD17
PC72 C PU5
PQ59A 0.1U RB751V
AO4900 25 21 A C PC174
BST3 VL
4 0.1U
PR161 0 27 18
DH3 BST5
4
26 16 PR159 0
LX3 DH5
24 17
DL3 LX5
1 19
CSH3 DL5
2
2 14
CSL3 CSH5
2
3 13
FB3 CSL5
12
FB5
12VR
5
VDD
9
REF
PR167
15
SEQ
0 4
12VOUT
PC81
1U_0805
10 28 3VON
SKIP 3VON
11 7 5VON
T RESET 5VON
PR56
6 23 PR153 1K V+
SYNC SHDN
0 8 20
GND PGND
PR169 PC169
*R
MAX1632 0.1U PC182
0.01U
+3V +5V
VIN1
PR179 PR186
PR180
10(0805) 10(0805)
100K
PR184
DD_ONH
PR183 100K G G G G
PQ68 100K PQ67 PQ70
2N7002 2N7002 2N7002
12V VDD3
PQ32
Si4800
WEB0#
D18 1SS355(R) 8
WEB0# 24,27
A C 4A 7 3 4A
6 2
WEB1#
D19 1SS355(R) 5 1
WEB1# 24,27
A C PR49 4
100K
PQ34
PC63 2N7002
DD_ON#
G 0.1UF(0805)(R) G
BAT_LATCH 24
PQ63
2N7002
PR164
1M
0.1A
12VR
PC83 PC82
10U/25V 0.1U
PD21 PC84
11FS2 10U_1210
PQ62A PL11
SYS5V
AO4900 4 2
PR187 4A PJ8
1 3
0.015_2010
CDRH125-100 6mm
1:2.2
PC180 PC181 PR168 + PC85 + PC86
PQ62B
AO4900 PR165 2M 100P 10K_1% 150U 150U
47P
12V
PR170
PC80 9.1K_1%
10U_1210
PR162 10K C E
VL
PR173 10K
PQ37
DTA114EUA
C PR172
VIN1
PR163 B
100K
PC176 E PQ38 100K
DTC114EUA
0.01U
+2.5V +1.5V
PQ14
2N7002
PR30 10K D S
VDD3
G
PR185 PR178
VA
10(0805) 10(0805) PR31
PR29 100K
330K PR28
100K
G
PQ69 PQ66
2N7002 2N7002
12V
PQ49
12V
PQ45
Si2301
VDD5 Si4800 +5V S D
8
+3V
4A 7 3 4A G
6 2
PR63
5 1
PR61 4
100K 100K
PR62
PR188
100K
PQ48
PQ47 100K(R) DTC114EUA
PR189
PC87 2N7002 C
B
+5V
DD_ON#
0.1UF(0805) G
68K E
PC188
0.1UF(0805)
VDD5
ACIN 24
VCC12
+12V
PJ12 1mm
PQ46
2N7002
TEST
G