Toshiba 29VH27E, Service Manual

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13
5 FIFORD OUT LV FIFO Read Enable
6 FIFOWR OUT LV FIFO Write Enable
7 FIFORWR OUT LV FIFO Write counter reset
8 HOUT OUT X Horizontal Drive Output
9 HFLB IN Hout Horizontal Flyback Input
10 SAFETY IN GNDO Safety Input
11 VPROT IN GNDO Vertical protection Input
12 FREQSEL IN X Selection of H-Drive Frequency Range
13 CM1 IN X Clock select 40.5 or 27/32 MHz
14 CMO IN X Clock select 27/32 MHz
15 RSW2 OUT LV Range Switch2, Measurement ADC
16 RSW1 IN/OUT LV Range Switch1, Measurement ADC
17 SENSE IN GNDO Sense ADC Input
18 GNDM SUPPLY X Ground, MADC Input
19 VERT+ OUT GNDO Differantial Vertical Sawtooth Output
20 VERT- OUT GNDO Differantial Vertical Sawtooth Output
21 EW OUT GNDO Vertical Parabola Output
22 XREF IN X Reference Input for RGB DACs
23 SVM OUT VSUPO Scan Velocity Modulation
24 ROUT OUT VSUPO Analog Output Red
25 GOUT OUT VSUPO Analog Output Green
26 BOUT OUT VSUPO Analog Output Blue
27 GNDO SUPPLY X Ground, Analog Back-end
28 VSUPO SUPPLY X Supply Voltage, Analog Back-end
29 VRD/BCS IN X DAC Reference, Beam Current Safety
30 FBLIN1 IN GNDO Fast-Blank1 Input
31 RIN1 IN GNDO Analog Red1 Input
32 GIN1 IN GNDO Analog Green1 Input
33 BIN1 IN GNDO Analog Blue1 Input
34 FBLIN2 IN GNDO Fast-Blank2 Input
35 RIN2 IN GNDO Analog Red2 Input
36 GIN2 IN GNDO Analog Green2 Input
37 BIN2 IN GNDO Analog Blue2 Input
38 TEST IN GNDD Test Pin
39 RESQ IN X Reset Input, active low
40 PWM1 OUT LV I
2
C-controlled DAC
41 PWM2 OUT LV I
2
C-controlled DAC
42 HCS IN GNDD Half-contrast
43 C0 IN GNDD Picture Bas Chroma (LSB)
44 C1 IN GNDD Picture Bas Chroma
45 C2 IN GNDD Picture Bas Chroma
46 C3 IN GNDD Picture Bas Chroma
47 C4 IN GNDD Picture Bas Chroma
48 C5 IN GNDD Picture Bas Chroma
49 C6 IN GNDD Picture Bas Chroma
50 C7 IN GNDD Picture Bas Chroma (MSB)
51 VSUPD SUPPLY X Supply Voltage, Digital Circuitry
52 GNDD SUPPLY X Ground, Digital Circuitry
53 LLC2 IN X System Clock Input (27/32/40.5 MHz)
54 Y0 IN GNDD Picture Bas Luma (LSB)
55 Y1 IN GNDD Picture Bas Luma
56 Y2 IN GNDD Picture Bas Luma
57 Y3 IN GNDD Picture Bas Luma
58 Y4 IN GNDD Picture Bas Luma
59 Y5 IN GNDD Picture Bas Luma
60 Y6 IN GNDD Picture Bas Luma
61 Y7 IN GNDD Picture Bas Luma (MSB)
62 LLC1 IN VSUPD Single Line-Locked Clock Input (13.5/16 MHz)
63 HS IN X Horizontal Sync Input
64 VS IN GNDD Vertical Sync Input
65 XTALK2 OUT X Analog Crystal Output (5-MHz Security Clock)
66 XTALK1 IN X Analog Crystal Input (5-MHz Security Clock)
67 SDA IN/OUT X I
2
C-Bus Data
68 SCL IN/OUT X I
2
C-Bus Clock