Zenith Z52SZ80 Service Manual

Also see for Z52SZ80: Installation and operating guide Specifications Service manual Installation and operating guide Service manual

Contents

- 14 -ADJUSTMENT INSTRUCTIONS9. Screen Position Adjustment9-1. Required Test EquipmentService Remote Control9-2. Horizontal Position Adjustment(1) Press ADJ key on the remote control to enter theadjustment mode.(2) Select POSITION in the adjustment menu.(3) The adjustment pattern below appears.(4) Select the H_position with CHANNEL key.(5) Change data by using the VOLUME keys on the remotecontrol in order to adjust left/right screen semmetry.(6) If symptom is out of adjustable range: Check the lightengine adjustment9-3. Vertical Position Adjustment(1) Select V_position with CHANNEL key. (Initial V: 15)(2) Change data with using the VOLUME keys on the remotecontrol in order to adjust up/down screen semmetry.(3) If symptom is out of adjustable range: N.G.9-4. After adjustment is completed, recieve a NTSC-M DigitalPattern and check the adjusment level.10. Component AD9883A Offset/Gain Adjustment10-1. Required Test EquipmentService Remote Control, 801GF/802F Pattern Generator10-2. Preparation for Adjustment(1) Connect power and turn TV set on.(2) Perform Heat-Run for at least 5 minutes.(3) Select Component Input.(4) Receive a 720P/60Hz, HozTVBar Pattern.

Pattern for Screen Position AdjustmentAdjustmentAdjustment Digital Pattern 720P/60Hz HozTVBar Pattern