Samsung SyncMaster 150MP Service Manual page 46

10-2 Video Decoder Part Schematic Diagram
CHK_VIDEO
VCR
CIN
YIN
+12V_CAP
+5V_A
+5V_A
+5V_A
+5V_A
+5V_A
CVBS*CAP_OUT
PAL
[OTHER]
[US]
+5V_A +5V_A
[US]
25
26
+5V_A
28
27
+5V_A
+5V_A
VHS2
SyncMaster 150MP
17
+5V_A
+3.3V_D
16
18
+3.3V_D
24
[US]
+5V_A
+5V_A
+5V_A
23
+5V_A
VB(7:0)
19
+3.3V_D
20
VG(7:0)
21
SCL
SDA
VCLK
22
VPEN
RESET_V
SDA
SCL
[OTHER]
+12V_CAP
+12V_TUNER
[US]
[OTHER]
RF_CVBS
SCL_5
SDA_5
INT
16 IC504 #57 17 IC504 #56 18
Vp-p = 3.3 V Vp-p = 3.3 V Vp-p = 3.3 V
20 IC504 #40 21 IC504 #28 22
Vp-p = 3.3 V Vp-p = 3.3 V Vp-p = 3.3 V
24 IC504 #74 25 IC202 #1 26
Vp-p = 890 mV Vp-p = 1.63 V Vp-p = 1.63 V
+5V_D
+5V_D
RESET_VIDEO
RESET_V
VHS1
VHS2
+5V_D
{ OPTION }
[OTHER] [US]
10 Schematic Diagrams
IC504 #53 19 IC504 #41
Vp-p = 3.3 V
IC504 #19 23 IC204 #4
Vp-p = 900 mV
IC202 #7 27 IC202 #5
Vp-p = 2.08 V
28 IC202 #4
Vp-p = 2.28 V
10-2