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• Power Input : AC 120V, 60Hz • Power : 200W Consumption • Frequency : VHF 54 ~ 470MHz Range UHF 470 ~ 806MHz • Antenna Input : VHF/UHF 75Ω unbalanced Single axis input • CRT Size : 7" • High Voltage : 32.0kV (at 0A) • TV Multimedia">Speaker : [VZ9] 4" round type, full range 2 pcs. (8Ω 10W) [VZ9+] 5" round type, full range 2 pcs. (8Ω 10W) • Weight : [VS-45609] 176 lbs [VS-50609] 198 lbs [VS-55609] 229 lbs [VS-60609] 259 lbs [VS-60719] 253 lbs [VS-70709] 369 lbs • Cabinet : [Model] (H)x(W)x(D) Dimensions : [VS-45609] 48"x38.4"x22.2" : [VS-50609] 50.4"x42.8"x23.8" : [VS-55609] 54.8"x46.4"x23.7" : [VS-60609] 60.8"x50.6"x29" : [VS-60719] 60.8"x50.6"x29" : [VS-70709] 70.5"x58.7"x29.4" • Input Level : VIDEO IN JACK (RCA Type) 1.0Vp-p 75Ω unbalanced : AUDIO IN JACK (RCA Type) -4.7dBm 43kΩ unbalanced : S-VIDEO IN JACK (Y/C separate type) Y:1.0 Vp-p C:0.286Vp-p(BURST) 75Ω unbalanced : Component Inputs (RCA Type) Y: 1.0Vp-p Cr, Cb: 700mVp-p • Output Level : VIDEO OUT JACK (RCA Type) 1.0Vp-p 75Ω unbalanced : AUDIO OUT JACK (RCA Type) -4.7dBm 4.7kΩ unbalanced

This service manual provides service instructions for PTV Models VS-45609, VS-50609, VS-55609 and VS-60609 which use the VZ9 chassis, and PTV Model VS-60719 and VS-70709 which use the VZ9+ chassis. Service personnel should read this manual thoroughly before servicing these chassis. This service manual includes: 1. Assembly and disassembly instructions for the front and rear cabinet TV Multimedia">Components. 2. Servicing of the Lenticular Screen and Fresnel Lens. 3. Servicing printed circuit boards (PCBs). 4. CRT replacement procedure. 5. Electrical adjustments. 6. Chip parts replacement procedures. 7. Circuit path diagrams. The parts list section of this service manual includes: 1. Cabinet and screen parts. 2. Electrical parts. Schematic and block diagrams of the above listed models are included in this service manual for better under- standing of the circuitry. PCB drawings are also included for easy location of parts and test points.

INTRODUCTION ... 5 PRODUCT SAFETY NOTICE ... 5 SAFETY PRECAUTIONS ... 6 DISASSEMBLY ... 7 Front Cabinet TV Multimedia">Components ... 7 Rear Cabinet TV Multimedia">Components ... 8 SERVICING THE LENTICULAR LENS AND FRESNEL SCREEN ... 9 Removal of the Lenticular Screen and Fresnel Lens ... 9 Installation of the Lenticular Screen and Fresnel Lens ... 10 VS-70709 CABINET SEPARATION PROCEDURE ... 11 SERVICING THE DIAMONDSHIELDTM r ... 12 DiamondShieldTM Removal ... 12 DiamondShieldTM Installation ... 12 SERVICING PCBs ... 13 Chassis Removal & PCB Locations ... 13 Major Parts Locations ... 13 CRT REPLACEMENT ... 14 CRT Removal ... 14 CRT Installation ... 15 ELECTRICAL ADJUSTMENTS ... 17 Equipment ... 17 Initial Setup ... 18 LED Indicator Diagnostics ... 19 Circuit Adjustment Mode ... 20 Convergence Adjustment Mode ... 21 Adjustment Items List ... 24 Test Points Locations ... 27 Adjustment Procedures ... 28 Audio Circuit ... 28 High Voltage Control ... 29 Focus Adjustments ... 29 CRT Adjustments ... 30 Video Adjustments ... 32 PIP Adjustments ... 33 Cb, Cr Offset Adjustment ... 34 Character Position ... 34 Deflection/Convergence Geometry Presets ... 35 Height and Vertical Linearity Adjustments ... 36 Centering and Static Convergence ... 36 Convergence Geometry Adjustments ... 37 Convergence Adjustments ... 38 CHIP PARTS REPLACEMENT ... 40 REPLACEMENT PARTS ... 41 Parts Ordering ... 41 Critical and Warranty Parts Designation ... 41 Parts Tolerance Codes ... 41 Model Abbreviations ... 41 Quick Reference List ... 42 SERVICE PARTS LIST ... 43 CIRCUITRY BLOCK DIAGRAMS ... 54 Power Supply ... 54 Video/Color Signal Path ... 55 Sound Circuit ... 56 Deflection and High Voltage ... 56 Protect Circuitry ... 57 Convergence Circuitry ... 57 Control Circuitry ... 58 SCHEMATIC DIAGRAMS PCB LAYOUT DIAGRAMS