Text preview for : Schematic Diagram.pdf part of Samsung 240T Sch and service bulletin for Samsung SM240T
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10 Schematic Diagrams
10-1 Top Parts Schematic Diagram
10-1
SyncMaster 210T/240T
10 Schematic Diagrams
10-2 Analog Parts Schematic Diagram
+3.3V_P1
+3.3V_ADC1
+5V_ADC
+5V_ADC
+3.3V_ADC1
+3.3V_AD1
+3.3V_P1
+5V_IN
+5V_IN
+5V_IN
2 IC204 #40
+3.3V_B +3.3V_AD1
VSYNCB +3.3V_ADC1 +3.3V_P1
+3.3V_P1 +3.3V_SYNC PAR(0:7)
CH1 RMS = 3.80V
3 IC204 #41
PBR(0:7)
2
MC_DATA MC_SCLK HSYNC_PLL +3.3V_ADC1 VSYNC_SS CLAMP
3
PAG(0:7)
PBG(0:7)
OECH2
CH1 RMS = 4.12V
RED_IN GREEN_IN BLUE_IN
4 IC204 #115
+5V_SYNC +3.3V_B +3.3V_AD2
+3.3V_ADC2 +5V_SYNC
+3.3V_P2
+3.3V_P2
HSYNC_SS
CH1 RMS =2.92V
PBR(0:7)
VSYNC_SS
5 IC204 #117
+3.3V_SYNC +3.3V_AD2 PAB(0:7)
PBG(0:7)
PBB(0:7) HSYNC_SS HSYNC_SS PC_HS1 HSYNC1B +3.3V_SYNC +3.3V_SYNC RED_IN GREEN_IN BLUE_IN
PC_HS
VSYNC_SS CLAMP
PC_HS1 HSYNC_PLL OECH2AX PBB(0:7)
CH1 RMS = 3.32V
ADCCLK1
PC_HS1
PC_VS1 VSYNC_SS ADCCLK2
4
HSYNC2B
PC_VS1
5
+3.3V_P2 +3.3V_ADC2
+5V_ADC
+5V_ADC
+3.3V_ADC2
+3.3V_AD2
+3.3V_P2
SyncMaster 210T/240T
10-2
10 Schematic Diagrams
10-3 Digital Parts Schematic Diagram
6 IC103 #48
CH1 RMS = 3.32V
7 IC103 #47
CH1 RMS =3.32V
8 IC103 #46
CH1 RMS = 3.32V
9 IC103 #44
CH1 RMS = 2.22V
6
7
8
9
10-3
SyncMaster 210T/240T
10 Schematic Diagrams
10-4 Power Parts Schematic Diagram
29 IC805 #2 23 FT805 #1
23 24
CH1 RMS = 2.60V
+3.3V_A +5V_IN +3.3V_TMDS +5V_P +3.3V_B +3.3V_LVDS
CH1 RMS =14.1V
26
30 IC810 #1
24 FT821 #2
CH1 RMS = 3.80V
CH1 RMS =14.1V
25 CN802 #3
+5V_IN +2.5V_PC +A2.5V_PC +5V_IN +2.5V_VID +A2.5V_VID
27
29
CH1 RMS =5.00V
26 IC801 #4
+5V
+5V_P +5V_ADC
+5V_SYNC
CH1 RMS = 3.40V
25
28
+5V_DEC
27 IC804 #2
+3.3V_SYNC
CH1 RMS = 2.60V
+5V_SYNC
+5V_PNL
30
28 IC809 #3
CH1 RMS = 5.08V
SyncMaster 210T/240T
10-4
10 Schematic Diagrams
10-5 Micom Parts Schematic Diagram
+5V_M
Configuration Data
+5V_M
+3.3V_A
1 IC402 #20
+5V_M +5V_M +5V_M +5V_M
CH1 RMS = 5.40V
+5V_M
+5V_M
1
+5V_M
Replace with
+3.3V_A +3.3V_A
+5V_M
+5V_M
+3.3V_A
+3.3V_A
+5V_M
10-5
SyncMaster 210T/240T
10 Schematic Diagrams
10-6 LVDS Part Schematic Diagram
+5V
19 CN702 #7
+3.3V_B
+5V
19
+3.3V_B
CH1 RMS =4.92V
MC_DATA MC_SCLK
+3.3V_LVDS +14V_INV
20 IC700 #54
22
BL_EN
+3.3V_LVDS
20 21
CH1 RMS = 3.32V
21 IC700 #55
+5V_PNL
CH1 RMS =3.32V
22 IC700 #56
CH1 RMS = 3.32V
SyncMaster 210T/240T
10-6
10 Schematic Diagrams
10-7 Scaler2 for Scaler1 and Video Signal Parts Schematic Diagram
18 R621
RESETn
MCALE J2RDn J2WRn
CREFCLK2
CH1 RMS = 1.98V
MCA(0:17) MCAD(0:7)
RGB(0:47)
JSHFCLK JDE JHSYNC JVSYNC
18
JSHFCLK
PC(0:15)
FIELD VREF PCLKC HREF PCHS PCVS
10-7
SyncMaster 210T/240T
10 Schematic Diagrams
10-8 Scaler 1 for DC Signal Parts Schematic Diagram
17 R551
RESETn MCALE J1RDn J1WRn CLAMP CREFCLK1 MCA(0:17) MCAD(0:7)
CH1 RMS =2.14V
PAB(0:7)
PAG(0:7)
PAR(0:7)
PCLKA DDE HSYNCA VSYNCA PBB(0:7)
PBG(0:7)
PBR(0:7) JVSYNC JHSYNC JDE JSHFCLK BUZZER LVDSPDB BL_EN PCLKB HSYNC1B HSYNC2B VSYNCB
17
Replace with FST3253
+5V_IN
SCDT
POWERON AUTO PLUS MINUS EXIT ENTER SOURCSEL PIP VIDSRC1 VIDSRC2
AUTO MINUS PLUS EXIT ENTER SOURCSEL PIP
+5V_IN
BUZZER DPMSLED1 DPMSLED2
SyncMaster 210T/240T
10-8
10 Schematic Diagrams
10-9 Video Parts Schematic Diagram
10 IC301 #57
+5V_DEC
CHK_VIDEO
VCR CIN YIN
CH1 RMS = 3.32V
11 IC301 #56
VFIELD
+5V_DEC VACTIVE VHS1
10
11
VVS1
+3.3V_B
12
VBO(7:0)
+3.3V_B
CH1 RMS = 3.24V
12 IC301 #53
VGO(7:0)
VID_DATA VID_SCLK +5V_DEC
RESET_V
+3.3V_B
+3.3V_D1
+3.3V_B
+3.3V_D2
CH1 RMS = 3.32V
VCLK
LLC1
CIN YIN VCR
14
15
VHS1 +3.3V_D1 VVS1
13 IC301 #15
+5V_DEC
VBO(7:0)
LLC1 LLC2 +3.3V_D2
PC(0:15)
CH1 RMS =3.40V
14 IC302 #29
+3.3V_D1 +3.3V_B +3.3V_D1
VGO(7:0)
13
RESET_V VID_DATA VID_SCLK
CH1 RMS = 3.48V
+3.3V_D2 +3.3V_D1 +3.3V_D2
16
HREF VVS VHS
+5V_M
15 IC302 #26
LLC2
VID_SCLK MC_SCLK VID_DATA MC_DATA
VID_ONB
VREF
CH1 RMS = 3.96V
16 IC302 #62
CH1 RMS = 3.32V
10-9
SyncMaster 210T/240T
10 Schematic Diagrams
Memo
SyncMaster 210T/240T
10-10