Sony KV-29LS30E service manual How to enter into the Service Mode, Sub Brightness Adjustment

SECTION 4 CIRCUIT ADJUSTMENTS

4-1. Electrical Adjustments

Service adjustments to this model can be performed using the supplied remote Commander RM-887 (KV-29LS30) or RM-932 (KV-29LS35).

How to enter into the Service Mode

1.Turn on the main power switch and enter into the stand-by mode.

2.Press the following sequence of buttons on the Remote Commander.

i+	5	+
(ON SCREEN	(DIGIT 5)	(VOLUME +)	(TV)
DISPLAY)

‘TT—’ will appear in the upper right corner of the screen. Other status information will also be displayed.

3.Press ‘MENU’ on the remote commander to obtain the following menu on the screen.

Geometry

Service

Design

Status

Sound

IF adjust

Error Menu

FE-2 Stereo v1.30

Factory data FFh FFh

MSP Device : MSP3411G

4.Move to the corresponding adjustment item using the up or down arrow buttons on the Remote Commander.

5.Press the right arrow button to enter into the required menu item.

6.Press the ‘Menu’ button on the Remote Commander to quit the Service Mode when all adjustments have been completed.

Note :

•Before performing any adjustments ensure that the correct model has been selected in the ‘Model Setting’ menu.

•After carrying out the service adjustments, to prevent the customer

accessing the ‘Service Menu’ switch the TV set OFF and then ON.

ERROR MENU
E02	OCP	(0, 255)	0
E03	OVP N/A	(0, 255)	0
E04	VSYNC	(0, 255)	0
E05	IKR	(0, 255)	0
E06	IIC	(0, 255)	0
E07	NVM	(0, 255)	0
E08	JUNGLE	(0, 255)	0
E09	TUNER	(0, 255)	0
E10	SOUNDP	(0, 255)	0
E11	8V	(0, 255)	0
WORKING TIME
HOURS			2
MINUTES			11

SERVICE
Offset-R	(0, 63)	Adj
Offset-G	(0, 63)	Adj
R-Drive	(0, 63)	25
G-Drive	(0, 63)	Adj
B-Drive	(0, 63)	Adj
Peak-Freq	(0, 3)	0
Luma-Delay	(0, 15)	8
SC0	(0, 3)	2
White-Peak	(0, 15)	15
Subcont	(0, 15)	4
Subright	(0, 63)	31
Subcol	(0, 63)	Adj
Subsharp	(0, 63)	31
Cutoff Br.	(0, 63)	60
Br OSD	(0, 15)	10
Br TXT	(0, 15)	9
GEOMETRY
V-Linearity	(0, 63)	Adj
V-Scroll	(0, 63)	32
Left-HBlk	(0, 15)	8
Right-HBlk	(0, 15)	6
V-Angle	(0, 63)	Adj
V-Bow	(0, 63)	Adj
H-Centre	(0, 63)	Adj
H-Size	(0, 63)	Adj
Pin-Amp	(0, 63)	Adj
U-Corner-Pin	(0, 63)	Adj
L-Corner-Pin	(0, 63)	Adj
Pin Phase	(0, 63)	Adj
V-Slope	(0, 63)	35
V-Size	(0, 63)	Adj
S-Correction	(0, 63)	Adj
V-Centre	(0, 63)	Adj
V-Zoom	(0, 63)	23
Magenta	(0, 63)	40
IF ADJUST
AGC Adjust	(-16, +15)	+0
Automute		1
Audio Gain		0
L Gating		0

Sub Brightness Adjustment

1.Input a Monoscope pattern.

2.Press ‘TEST’ ‘TEST’ 13 on the Remote Commander.

3.Adjust the ‘Sub-Brightness’ data so that there is barely a difference between the 0 IRE and 10 IRE signal levels.

Sub Contrast Adjustment

1.Input a video signal that contains a small 100% white area on a black background.

2.Connect an digital voltmeter to Pin 10 of J701 [C Board].

3.Adjust the Sub-Contrast [‘TT11’] to obtain a voltage of 105 +/- 5V.

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