Service manual SC-150
-22-
14
GNDAF
SUPPLY
Ground, Analog Front-end
15
VSUPAF
SUPPLY
Supply Voltage, Analog Front-end
16
CBIN
IN
Analog Component Cb Input
17
CIN1
IN
Analog Chroma 1 Input
18
CIN2/CRIN
IN
Analog Chroma 2 Input / Analog Component Cr Input
19
VIN1
IN
Analog Video 1 Input
20
VIN2
IN
Analog Video 2 Input
21
VIN3
IN
Analog Video 3 Input
22
VIN4
IN
Analog Video 4 Input
23
TEST
IN
Test Pin, Reserved For Test
24
HOUT
OUT
Horizontal Drive Output
25
VSUPD
SUPPLY
Supply Voltage, Digital Circuitry
26
GNDD
SUPPLY
Ground, Digital Circuitry
27
FBLIN
IN
Fast Blank Input
28
RIN
IN
Analog Red Input
29
GIN
IN
Analog Green Input
30
BIN
IN
Analog Blue Input
31
VPROT
IN
Vertical Protection Input
32
SAFETY
IN
Safety Input
33
HFLB
IN
Horizontal Flyback Input
34
VERTQ/ INTLC OUT
Differential Vertical Sawtooth Output Interlace Control Output
35
VERT
OUT
Differential Vertical Sawtooth Output
36
EW
OUT
Vertical Parabola Output
37
SENSE
IN
Sense ADC Input
38
GNDM
SUPPLY
Ground, MADC Input
39
RSW1
OUT
Range Switch1 for Measurement ADC
40
RSW2
OUT
Range Switch2 for Measurement ADC
41
SVMOUT
OUT
Scan Velocity Modulation Output
42
ROUT
OUT
Analog Red Output
43
GOUT
OUT
Analog Green Output
44
BOUT
OUT
Analog Blue Output
45
VSUPAB
SUPPLY
Supply Voltage, Analog Back-end
46
GNDAB
SUPPLY
Ground, Analog Back-end
47
VRD
IN
DAC Reference
48
XREF
IN
Reference Input for RGB DACs
49
AIN3
IN
Analog Audio 3 Input
50
AIN2
IN
Analog Audio 2 Input
51
AIN1
IN
Analog Audio 1 Input
52
AOUT2
OUT
Analog Audio 2 Output
53
AOUT1
OUT
Analog Audio 1 Output
54
VSUPS
SUPPLY
Supply Voltage, Standby
55
GNDS
SUPPLY
Ground, Standby
56
XTAL1
IN
Analog Crystal Input
57
XTAL2
OUT
Analog Crystal Output
58
RESQ
IN/OUT
Reset Input/Output, Active Low
59
SCL
IN/OUT
I 2 C Bus Clock
60
SDA
IN/OUT
I 2 C Bus Data
61
Mute
OUT
High = Mute active
62
LED
OUT
High = Green, Low = Red
63
KB
IN
Local keyboard ADC input
64
OCP
IN
Over Current Protection input
Pin Name
Type
Short Description
PSDIP
64-pin
Summary of Contents for CHASSIS : SC-150 Model : DSC-3220E
Page 35: ...Service manual SC 150 34 Block diagram TDA6107Q...
Page 44: ...Service manual SC 150 43 5 Circuit description 5 1 Block diagram...
Page 62: ...Service manual SC 150 61 5 9 2 2 STR F6654 oscillating operation...
Page 82: ...Service manual SC 150 81 8 1 PCB MAIN...
Page 83: ...Service manual SC 150 82 8 2 PCB UNION...
Page 84: ...Service manual SC 150 83 9 1 Schematic Diagram MAIN...
Page 85: ...Service manual SC 150 84 9 2 Schematic Diagram UNION...
Page 86: ......