NEC PF-68T31, Руководство по обслуживанию

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.
8
PAL NTSC M5
H-SHIFT
H-AMPL
H-PARABORA
CORNER
TRAPEZ
0 → 63
0 → 63
0 → 63
0 → 63
0 → 63
39
53
23
30
32
43
53
31
30
30
M6 OSD-H
OSD-V
0 → 29
0 → 29
2
1
M7 V. AMPL1
V. AMPL2
0 → 38
0 → 38
9
0
ICs functional description
3.1 N701 KS88P8432N-XXX function:Microcomputer
NAME PI
N
FUNCTION NAME PIN FUNCTION
VT 1 Tuning Voltage Output TTX RST 42
RELAY 2 Relay control output STAND BY 41 Stand-by output
Y Cb Cr 3 Component input
control
SDA 40 IIC data
AV1 4 Input select output SCL 39 IIC clock
AV2 5 Input select output SERVICE 38
6 Not used VSS 37 GND
7 Not used IR IN 36 Remote signal input
8 Not used 35 Not used
KEY IN 9 Local key input VDD 34 Vdd 5V
10 Not used RESET 33 Reset input
LV PROTECT 11 Low Voltage protect X’TAL OUT 32 X’tal output
MUTE 12 Mute output X’TAL IN 31 X’tal input
VSS 13 GND VSS 30 GND
14 Not used OSD OUT 29
15 Not used OSD IN 28
LED1 16 Stand by LED output V SYNC 27 V. Sync input
BAND1 17 Band select output H SYNC 26 H. Sync input
BAND2 18 Band select output FAST BLANK 25 OSD Fast blank output
LED2 19 On-Timer LED output R OUT 24 OSD Red output
20 Not used G OUT 23 OSD Green output
21 Not used B OUT 22 OSD Blue output
NOTE:
· ·
Pin No. 9: Control key input (Analog to Digital Convertor)
(Max. Limit voltage)
FUNCTION MENU TV/AV POWER V+ V- P+ P-
VOLTAGE 0 0.625 1.25 1.875 2.5 3.125 3.75