XOCECO TS2050, Руководство по обслуживанию

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10
Function introduction to pin
pin function Reference
voltage
(V)
pin function Reference
voltage
(V)
1 SIF output 2.28 64 PIF input1 2.86
2 PIF AGC 2.61 63 PIF input 2 2.86
3 SIF input 3.11 62 IF GND 0
4 FM filter 2.64 61 RF AGC output 4.55
5 FM filter/sound output 2.25 60 Video output 2.30
6 Sound output 2.24 59 AFT filter 2.50
7 SIF APC filter 2.24 58 APC filter 2.60
8 IF VCC(5V) 4.92 57 Black level detection
filter 2.50
9 Expanded sound input 2.25 56 Internal video input and
S-C input 2.70
10 ABL 3.21 55 Video, colour and
deflexion power VCC 4.90
11 RGB VCC(8V/18Ma) 8.00 54 Expanded video input
and Y input
2.50
12 R ouput 2.65 53 Colour APC filter 3.40
13 G ouput 2.65 52 Selection video output
and FSC output
2.40
14 B ouput 2.67 51 Cr input 2.50
15 AKB (undo) 2.31 50 4.43 MHZ crystal 2.73
16 Field sawtooth filter to
capacitance 2.16 49 Cb input 2.50
17 Field output 2.34 48 Y(DVD) input
18 VCO Reference voltage 1.65 47 DDS filter 1.89
19 H/BUS VCC(5V/27mA) 6.81 46 Y(Y/C) input
20 H/APC filter 2.54 45 C(Y/C) input
21 H-output 0.28 44 Retrace impulse input 1.20
22 Video, colour and
deflexion ground
0 43 CCD VCC 4.50
23
x -ray protection,
low level availability
5.00 42 CPU GND 0
24 41 PLL 3.50
25 40 reset 4.00
26 IR control input 4.90 39 Button input 0.32
27 38 TV/AV H=TV L=AV 0
28 POWER H=OFF
L=ON
0 37 AV1/AV2 5.00
29 STAND-BY 5 36 MUTE high level 5.00