SONY KD34XBR960
Manual de Servicio

KD-30XS955/34XBR960/34XS955/36XS955

SECTION 2: SET-UP ADJUSTMENTS
The following adjustments should be made when a complete realignment is required or a new picture tube is installed. These adjustments should be performed with rated power supply voltage unless otherwise noted. The controls and switch should be set as follows unless otherwise noted: VIDEO MODE: STANDARD (RESET) Perform the adjustments in order as follows: 1. Beam Landing 2. Convergence 3. Focus 4. Screen (G2) 5. White Balance Test Equipment Required: 1. 2. 3. 4. Color Bar Pattern Generator Degausser DC Power Supply Digital Multimeter

� 2-1.

BEAM LANDING

Preparation: � Use cross hatch signal to rough adjust focus, G2 and then input a white pattern signal. � Face the picture tube in an East or West direction to reduce the in�uence of geomagnetism. � Remove all magnets, wedges, and permalogy strips. � Con�rm data in service mode to match with CRT screen size. � Set 2170D-1 to their default settings. � VCEN 19 � VPIN 15 � HTPZ 15 � Set 2170D-2 to their default settings. � PPHA 21 � VANG 31 � LANG 31 � VBOW 31 � LBOW 31 � Set 2170D-4 to their default settings. � CXA8070 to their default settings. � Set all user compensations to their default settings. � Set landings to their default settings. � LT Left Top LCC Control 127 � � LB Left Bottom LCC Control RT Right Top LCC Control 127 127

1. Input white pattern from pattern generator. Set the PICTURE control to maximum, and the BRIGHTNESS control to standard. 2. Loosen the de�ection yoke mounting screw, and set the purity control to the center as shown below:
Purity Control

3. Input a green pattern from the pattern generator. 4. Move the de�ection yoke backwards, (See Figure 1) and adjust with the purity control so that green is in the center and red and blue are even on both sides.

Blue

Red

Green

� RB Right Bottom LCC Control 127 NOTE: Do not use the hand degausser; it magnetizes the CRT . 5. Move the de�ection yoke forward, and adjust so that the entire screen becomes green.

Figure 1

KD-30XS955/34XBR960/34XS955/36XS955

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