Sony STR-DB830 Service Manual - Page 8

STR-DB830/DB930/V929X 4-3. CIRCUIT BOARD LOCATION 4/8 board AC board DC board SP-SW board SP SW board VIDEO board S-VIDEO board DIGITAL board TUNER board HP board F-VIDEO board LED board DISPLAY board REAR AMP board JOINT(Q) board MAIN board VOLUME board ROTARY board THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this necessary note is printed in each block.) For schematic diagrams. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1/4 W or less unless otherwise specified. • % : indicates tolerance. • 2 : nonflammable resistor. • 1 : fusible resistor. • C : panel designation. Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. For printed wiring boards. Note: • X : parts extracted from the component side. • ® : Through hole. • b : Pattern from the side which enables seeing. • Waveform DIGITAL Board 1 IC1201 (™ (XO) 4MHz 4.0Vp-p 2 IC1401 100 (CLKO) • U : B+ Line. • V : B- Line. • H : adjustment for repair. • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. No mark : FM • Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal production tolerances. • Waveforms are taken with a oscilloscope. • Circled numbers refer to waveforms. • Signal path. F : FM J : CD c : DIGITAL I : PHONO • Abbreviation CND :Canadian model AUS :Australian model MY :Malaysia model SP :Singapore model CH :Chinese model 10MHz 3 IC1404 25 3.5Vp-p 5.5Vp-p 12.288MHz DISPLAY Board 4 IC102 *™ (XO) 3.6Vp-p 16.0MHz 5 IC106 !§ (X OUT) 3.8Vp-p 7.28MHz TUNER Board 6 IC1 !£ (X 1) 4.33MHz 2.7Vp-p - 11 - - 12 -