Panasonic TC-20B10P service manual

Contents

Main Service Manual TC-14B10P TC-20B10P Design and specifications are subject to change without notice Chassis MX5Y Specifications TV MODEL Important Safety Notice WARNING !! Esquema Eltrico do chassi MX5Y Warning ! HOW TO OPEN THE CABINET Page Page Page HOW TO OPERATE THE DAC CONTROL MX5Y FUNCTIONS ADJUSTMENTS 1- SERVICEMAN MODE CHQ1 CHQ2 CHQ3 ELECTRICAL INSPECTION INSPECTION OF THE DEFLECTION CIRCUITS AND PRE-ADJUSTMENTS < CUT OFF - PRE ADJUSTMENTS CALIBRATION OF VIDEO IF AGC-RF ADJUSTMENTS NOISE LEVEL ADJUSTMENTS CALIBRATION OF VIDEO IF AFT ADJUSTMENTS TC-14B10P / TC-20B10PService Adjustments and Calibrations COLOUR-SATURATION ADJUSTMENT SHARPNESS ADJUSTMENT SHUT DOWN SYSTEM CONFIRMATION VIDEO OUT ADJUSTMENT VERTICAL HEIGHT AND CENTERING ADJUSTMENTS WHITE BALANCE PRE ADJUSTMENT AND CRT CUT OFF ADJUSTMENT HORIZONTAL WIDTH AND CENTERING ADJUSTMENTS FOCUS ADJUSTMENT FRONT PANEL CHECKING AV IN TERMINALS CHECKING AUTOMATIC AND MANUAL MEMORIZATION TUNE CHECKING AUDIO CHECKING TC-14B10P / TC-20B10PService Adjustments and Calibrations PURITY AND CONVERGENCE ADJUSTMENTS 2. Primary adjustment of estatic convergence (centering) 3- Purity Adjustment 4- Adjustment of estatic convergence Page IC601 - Pins and Functions TC-14B10P / TC-20B10PIC601 - Block Diagram TC-14B10P / TC-20B10PWave Forms / Formas de Onda - (01 to 12) TC-14B10P / TC-20B10PWave Forms / Formas de Onda - (13 to 24) Page TC-14B10P / TC-20B10PCabinet Replacement Parts List Lista de Piezas Mecnicas ASSEMBLED MAIN BOARD / CAPACITORS / CONDENSADORES INTEGRATED CIRCUITS / JUMPERS TRANSISTORS / TRANSISTORES TRANSFORMERS / TRANSFORMADORES SWITCHES / LLAVES TUNER / SELECTOR DE CANALES CRYSTALS / OSCILADORES ASSEMBLED MAIN BOARD / INTEGRATED CIRCUITS / JUMPERS TRANSISTORS / TRANSISTORES SWITCHES / LLAVES TRANSFORMERS / TRANSFORMADORES TUNER / SELECTOR DE CANALES CRYSTALS / OSCILADORES Manual de Servicio TV en Colores TC-14B10P TC-20B10P Chasis MX5Y Especificaciones Tcnicas ATENCIN ! ATENCIN ! El Esquema Electrico de la Placa Principal Antes de Comenzar Page Page Page COMO OPERAR EL CONTROL DAC MX5Y AJUSTE DE FUNCIONES 1- MODO SERVICIO CHQ1 CHQ2 CHQ3 INSPECCIN ELECTRICA INSPECIN DEL CIRCUITO DE DEFLEXIN Y PRE AJUSTES < PRE AJUSTE DEL CUT OFF CALIBRACCIN DE FI DE VIDEO AJUSTE DE AFT AJUSTE DEL AGC DE RF AJUSTE DEL NIVEL DE ZUMBIDO AJUSTE DEL VDEO OUT AJUSTE DEL SUB-CONTRASTE AJUSTE DE LA SATURACIN AJUSTE DE SUB-NITIDEZ Y NITIDEZ CONFIRMACIN DEL CIRCUITO DE SHUT-DOWN AJUSTE DE CENTRO HORIZONTAL (HC) Y LARGURA HORIZONTAL AJUSTE DE LA ALTURA VERTICAL Y CENTRALIZACIN VERTICAL PRE AJUSTE DEL WHITE BALANCE Y AJUSTE DEL CUT OFF DEL CRT AJUSTE DEL FOCO CHEQUEO DE FUNCIONAMIENTO DEL PANEL FRONTAL VERIFICACIN DE FUNCIONAMIENTO DE LOS TERMINALES DE ENTRADA AV VERIFICACIN DEL FUNCIONAMIENTO DE LA MEMORIZACIN AUTOMTICA Y MANUAL VERIFICACIN DE LA SINTONA DE CANALES CHEQUEO DEL SONIDO AJUSTE DE PUREZA Y CONVERGENCIA 1. Cuando el CRT o el Yoke fueren sustituidos 2- Ajuste inicial de convergencia esttica (centro) 3- Ajuste de Pureza 4- Ajuste de convergencia esttica