Dc/Dc Waveform (Main Pcb) - Samsung SMX-K40BN Service Manual

7-4 DC/DC WaveForm (Main PCB)

F101
32V/1.25A
UNREG UNREG
2.62V
F102 3.02V
32V/1.25A
1.29V
4.98V
R115 R120
R103 R109
100K 1M/F
220K
220K
R104 R116 R121
7.5K/F 34K/F 150K/F
R110
57.6K
R111 R117 R122
R105
100K 220K 220K w
100K
23
INV3
24
INV4
25
INV2
26
GND
C103
1000nF
27
VREGA
28
VCCOUT
C104
1000nF
29
INV5
C101
1000nF
30
VREF6
R106
31
20K NON6
32
INV7
33
INV8I
R107
150K
C102
0.1nF
R112 R113 R118
57.6K/F 34K/F 1M/F
R114 R119
20K 34K/F 470K/F
R101 R102 R108
100K 57.6K 220K
u These are the waveforms of SMX-K40
Caution) There can be some differences (Voltage, Frequency, stc.) among cameras.
Samsung Electronics
L103 2PIN
w
L105 2PIN
e
C107
C109
22/6.3V
22/6.3V
L103
4.7uH
L105
4.7uH
D101
C108
RB491D
10000nF
L103 1PIN
L105 1PIN
e
11
STB4
L106 2PIN
r
10
STB2
L106 1PIN
r
9 L106
HX4
10uH
8
LX4
IC101
7 L107
PGND24
4.7uH
6
LX2
BD9757MWV L107 1PIN
t
5
HX2
L107 2PIN
t
4 L108
HX5
C117
4.7uH
22/6.3V
3
LX5
2
PGND5
L108 1PIN
y
1
STB5
C112
10000nF
L108 2PIN
y
1
6
5 2
4 3
C110
10000nF
D102 C113
1SS416 10000nF
C114
D103
1SS416 10000nF
12.0V
9.85V
R123
-7.5V
3.02V
This Document can not be used without Samsung's authorization
L109
C118
10uH
10000nF
IC103
RP130N471D
1 VDD VOUT 5
2 GND
C123
3 CE NC 4
1000nF
IC102
R1114N181D
1 IN
OUT 5
C121
2 GND
1000nF
3 Cout PASS 4
C120
100nF
C115
PI_LCD3V
22/6.3V
Q104
UMF5
1 Tr1 6
R1 5 C122
2
C116
R2 1000nF
3 4
DTr2
22/6.3V R128
R129
22K 3.3K
Q102
UMF5
1 Tr1 6
R1 5 C119
2
1000nF
R2
3 4
DTr2
R125
R127
22K 3.3K
PI_BL10V_FB
PI_LCD_BL10V
PI_GND2 PI_GND4 PI_GND6
PI_GND1 PI_GND3 PI_GND5PI_GND7
L103 1PIN
q
*TO AFE
VCC_CCD12V
VCC_CCD12V
VCC_CCD-7.5V
VCC_CCD-7.5V
VCC_CAM3V
VCC_CAM3V
VCC_1.2V
*TO LENS
VCC_CAM3V
VCC_5V
VCC_CAM3V
VCC_CAM5V
VCC_CAM5V
VCC_M5V
VCC_M5V
VCC_M5V
*TO DSP
VCC_2.5V
VCC_2.5V
VCC_1.2V
VCC_1.2V
VCC_CAM5V VCC_A3V
VCC_A3V
*TO
CAM_DD_ON
OneNAND/DDR
VCC_3V
VCC_3V
VCR_DD_ON
VCC_3V
L105 1PIN
w
*TO STORAGE
VCC_1.8V
VCC_1.8V
VCC_1.8V
VCC_3V
VCC_3V
*FROM/TO
SYSCON
VCC_2.5V
CAM_DD_ON
CAM_DD_ON
VCR_DD_ON
VCR_DD_ON
LCD_ON
LCD_ON
LCD_BL_ON
LCD_BL_ON
LCD3V
VCC_3V
VCC_3V
LCD_ON
VCC_5V
VCC_5V
VCC_CAM3V
CAM_DD_ON
L106 1PIN
VCC_A3V e
*TO AUDIO
VCC_3V
VCC_3V
VCC_1.8V
VCC_1.8V
CAM_DD_ON
LCD_BL_ON
*FROM/TO
BL10V_FB
JACK
USE TOP(CHARGE)
UNREG
UNREG
VCC_CCD-7.5V
USE TOP(ZOOM)
VCC_3V
VCC_3V
VCC_BL10V USE LCD
VCC_BL10V
VCC_BL10V
LCD3V
LCD3V
BL10V_FB
BL10V_FB
VCC_CCD12V
PI_GND8
L107 1PIN
r
L108 1PIN
t
Schematic Diagrams
L103 2PIN
q
L105 2PIN
w
L106 2PIN
e
L107 2PIN
r
L108 2PIN
t
7-5