Teac CTM6845, Service Manual

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8
MENU0 Geometrical adjustment
Receive PAL standard Complete pattern signal.
Adjustment steps
：
a) Adjust V. SLOPE, to the center horizontal line just appeare from half bottom shadow.
b) Adjust V. SIZE, to get 90% of vertical picture contents would be displayed on CRT.
c) Adjust V. SHIFT, the center horizontal line correspond to CRT vertical center.
d) Adjust H.SHIFT, to get the picture horizontal center correspond to CRT horizontal center.
Receive NTSC signal and repeat above [M0] and [M1] adjustment.
[M7] Menu
AGC Adjustment.
Receive 60dB
μ
(1mV)V
H
colour bar pattern signal
，
adjust AGC value
（
voltage from high to low
） ，
to noise
reduce gradually and just disappeared point.
[M9] Menu
CRTcut off and white balance adjustment.
Receive white signal.
a)
CRT cut off adjustment.
1. Select “SC”, then automatically vertical scan will be stopped.
2. Adjust SCREEN control on Flyback transformer to get the darkest single horizontal line (red,
green, or blue, sometimes shows more yellow, more purple or more white).
b) White balance adjustment.
1. Select RD/BD menu.
2. Adjust RD/BD to get colour temperature as x=281, y=311
c) Sub-Brightness adjustment. (Use stair case signal)
1. Select SB menu.
2. Adjust SB to get the darkest step being cutoff.
ICs Default Settings
1
．
TDA9381(1.0) EK cord=NTDA9381-----NG
MI Items Variable Preset MI Items Variable Preset
M0 AVL ON/OFF ON M4 SUBCON 0~63 63
FSL ON/OFF ON SUBCOL 0~63 63
FMWS ON/OFF OFF SUBSHP 0~63 63
FFI ON/OFF OFF SUBTINT 0~15 15
OSO ON/OFF ON YDLY PAL 0~15 12
FCO ON/OFF OFF YDLY NTSC 0~15 12
WOOFER ON/OFF OFF YDLY SEC 0~15 12
DUAL OUT 0~1 0 YDLY AV 0~15 12
Volume mode 0~1 1 UOC VOL ON/OFF Off
CATHODE 0~15 15
M1 BAND 0~2 2 SC BRI 0~63 10
AV CFG* 0~8 3
NTSC MX USA M5 OSD VPOS 0~63 53
VIDEO OUT CVBS OSD HPOS 0~59 15
PIN5 NTSC WIDE 0~63 15
PRO 0~3 0 ZOOM 0~63 59
NENU TITLE 0~6 3
M2 VISION IF 38.9M E2PROM ADRESS 0~33
DK ON/OFF OFF E2PROM VALUE 0~95
BG ON/OFF ON E2PROM WRITE
I ON/OFF OFF
M ON/OFF OFF M8 FREQUENCY 50HZ 60HZ
SIF PREFER BG VSLOPE 0~63 31 31
AUTO SOUND ON/OFF ON VSHIFT 0~63 31 31
VAMP 0~63 31 31
M3 START ON 0~2 0 VSCOR 0~63 31 31
ENGLISH ON/OFF ON HSHIFT 0~63 31 31