Power Vdd3/Vdd5 - EUROCOM TN120T Service Manual

POWER VDD3/VDD5

VDD3,VDD5
SYS5V
PR10 2
10 K _04
DD _ON #
PQ28
2N7 002W
G
22, 25 D D_O N
PC 87
PR1 01
0 .1 U_16V_0 4
1 00K_04
PC8 8
*1000P_50V_X 7R _04
VDD 5 PJ 9 S Y S5V PR 103
*OPEN_5 mm 1 0m_1 2
5A 5A
P C 100 PC98 + PC9 3
0.1 U_1 0V_X7R_ 04 0. 1U_ 10V_ X 7R _04 150U_6. 3V_D2
25 moh m_N EC
PC96 P R 112
*22P_ 50V_ 04 105K_1%_0 6
P R 107
LDO5V
20K_ 1%_06
SGN D4
EN_ 3V EN_5V
5 V
PQ26 PQ27
*2N 700 2W *2N7002W
G G
PR10 0
*10K_ 04
SGND 4 S GND4
PR 99 PJ8 PC86
*1 00K_ 04 *OPEN *0. 1U_ 16V_ 04
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VIN
PC85
+ P C 84
15 U_2 5V_6 X 4. 5
.1U _2 5V_06
PR11 3 10_0 4
VIN1
6 -06 -00 540- 021
27, 28
PD9 PC10 9
FM0540- N 4. 7U_ 6.3 V_X 5 R_0 6
PC91
PR1 11
*10 _06 0. 1U_10V_X7R_ 04
8
PQ18 4 2 2
TG1
A O4468
PL3
4.7 UH ? 0%
2 3
SW1
PQ 23
PD8 8 AO 4468
FM5 822 4 LGA TE1 2 0
BG1
P R 109 10 _04 2 7
SE N SE 1+
PC9 5
1000 P _ 50V _ X 7R _04
P R 108 10 _04 2 8
SE N SE 1-
PR 106 4 7K_0 4 P C 97 220P _ 50V _ 04
SGN D4 2
ITH1
PC 94 *100 P_50 V_04
3
VFB1
1 2
PGOO D
2 4
MOD E/PLL IN
P R 110 1 0K_0 4
2 5
LD O5V FREQ/ P L LFLTR
PR 117
PR1 05
*0_04
3. 32 K _ 1%_0 6
SGND 4 S G ND4
P C 11 3 10 00P_ 50V_X 7R _04 EN_ 3V
EN_ 5V
P C 89 10 00P_ 50V_X 7R _04
PR123 *0 _04 TK / SS2
SY S 5 V
SGND4
PR12 0 PC10 8
LD O5V *0_0 4 0. 022 U_16V_X7R_04
P R 12 1 S GND4
SGN D4
*10K_04
P Q 25 PR9 8
*2 N7002 W *0_ 04
G
PM_THRMTRI P# 2, 5,1 2
P N C1 *NC_ 04
SGN D4
P C 102
VIN2
0 .1U _25V_X 7R_06
LD O5V
PD1 6 PC114 PR118
FM0 540-N 0.1 U_1 0V_X7R_ 04 *1M_04
PC104
P R 116 PC10 7
0.1 U_1 0V_X7R_ 04 *1 0_ 06 *1000P_5 0V_X7R_ 04
8
14 4 PQ1 9
TG2
AO4 468
P L 2 PR10 4
2.5 UH_6 .8*7.3*3.5 8m_2 5
13
S W 2
8 PD7
17 LGA TE2 4 PQ2 4 FM5822
BG2
AO4 468
8 PR126 10_04
S EN S E2+
PC111
100 0P_5 0V_X7R_ 04
7 PR125 10_04
S EN S E2 -
11
5 V
EX TV C C
PC10 5 220 P_50 V_04 PR11 9 47K_ 04 PR1 15
5
ITH 2
63.4 K_1%_0 6
PC10 3 *10 0P_5 0V_0 4
S G ND4
4
VFB2
16 PR1 14
PGN D
20K_1%_ 04
PU7
L TC3 850
P IN 29 = S GN D4
SGND4
PC11 5
0 .01U_50V_X 7R _04
L DO5 V
LGATE1
PC90 PR127
0. 01U _50 V_X 7R_0 4 *10 K _ 04
PC11 0
0 .01U_50V_X 7R _04
SGN D4
25 VIN 1
18, 25 ,27 ,28,2 9,30 VIN
12 ,22,2 4,2 5, 27, 30 VDD 3
18, 25 ,27 VDD 5
30 SYS5 V
18, 25 ,27 S Y S 15V
1 5, 18, 23, 24 ,27 ,2 8,2 9 5V
Schematic Diagrams
Sheet 26 of 37
POWER VDD3/
SYS3V VDD3
PJ 10
7A 7A
VDD5
*OPEN_5 mm
+ PC 92 PC99
1 50 U_6 .3V_ D2 0 .1U _10V_X 7R_04
2 5mo hm_ NEC
PC101
*10 0P_5 0V_04
C A
SYS5V
PD 17 FM0540- N
A C
SYS10 V
PD 15 FM0540- N PC 112
220 0P_50 V_X 7R_0 4
C A
PD 13 FM0540- N
A C
SYS15 V
PD 11 FM0540- N PC 106
220 0P_50 V_X 7R_0 4
POWER VDD3/VDD5 B - 27