Yamaha RX-V320 Service Manual

Contents

A1234568RX-V320B C D E F G H I J K L757 SCHEMATIC DIAGRAM [DSP] All voltages are measured with a 10MΩ/V DC electric volt meter. Components having special characteristics are marked andmust be replaced with parts having specifications equal to thoseoriginally installed. Schematic diagram is subject to change without notice.REAR LDIGITALINCENTERMAIN L(DSP)LFE564.72.42.32.303.103.12.42.41.502.40.74.50.103.10000004.74.7002.42.31.51.703.14.704.704.73.101.63.102.30004.700.10.10.102.32.32.32.32.34.54.72.44.70.100.70.72.40.700.104.70.74.84.84.84.82.30.700.100.10.10.14.82.30~~~~~~~~~~~~~~~~~~~~~0000000000000000004.804.84.80.14.44.8 4.82.42.42.44.84.84.84.84.804.82.32.32.42.42.34.81.41.50000000002.02.04.84.704.82.32.32.32.22. 42. 42. 42. 400002.4 4.94.94.94.92.42.42.423.72.4 2.42.423.72.4 2.42.4–24.12.42.42.4-24.123.8-0.1-0.10000-24.123.8-0.1-0.10000-24.123.8000000–24.12.42.42.41.700004.804.72.42.42.3002.42.42.41.41.52.42.40004.8002.42.42.44.800003.3 4.8~A/D,D/ACONVERTER(CODEC.ADC/DAC)+3.3VREGULATORL.P.FDSP AMPDSP + AC-3/PRO-LOGIC/DTSDECODER(AC3D2av)STATIC RAM (1M SRAM)DIGITAL FORMAT INTERFACE RECEIVER(DIR2)TO INPUT(3) #1page 55 E-4TO INPUT(1) #2page 54 G-8TO INPUT(1) #3page 54 D-1548 1076518432131714111223• IC3: YM3436DK→See page 27• IC4: YSS918D-F→See page 28~30• IC5: M5M51288BKJ→See page 31• IC6: CS4227-KQ→See page 322V SAMPLE 50ns0VPoint yPin 28 of IC6V : 2V/div H : 50nsec/divDC range 1 : 1 probe2V SAMPLE 50ns0VPoint tPin 13 of IC3V : 2V/div H : 50nsec/divDC range 1 : 1 probeIC2 : HD74HC02FPELQuad 2-Input NORIC1 : NJM2904MIC8~12 : M5220FPDual OP-Amp1B1A1Y2Y2A2BGNDVcc4A4B4Y3Y3B3A1 2 3 4 5 6 714 13 12 11 10 9 8–+OUT1–IN1–VCC+VCCOUT21234 5+IN1 –IN2+IN2– +678Conditions• INPUT → CD• VOLUME → minimum(–∞)• IMPEDANCESELECTOR → Left• PRO LOGIC → OnPIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.M5M51288BKJ-20LTEL1SS355 YM3436DKCS4227-KQYSS918D-FNJM2904MM5220FPUPC29M33T-E1 HD74HC02FPEL2SC3326(A,B)DTA143EKAAnodeCathodeCBE23 22121112334335031301100818051w w w . x i a o y u 1 6 3 . c o mQ Q 3 7 6 3 1 5 1 5 0 992894298T E L 1 3 9 4 2 2 9 6 5 1 3 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com