Yamaha R-V901 Service Manual

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SERVICE MANUAL
AV RECEIVER
RX-V800/RX-V800RDS/HTR-5280
100727
CONTENTS
TO SERVICE PERSONNEL .......................................... 1
IMPEDANCE SELECTOR ............................................. 1
SPECIFICATIONS.......................................................... 2
REMOTE CONTROL TRANSMITTER .......................... 3
FRONT PANELS ............................................................ 4
REAR PANELS .......................................................... 5~6
INTERNAL VIEW ........................................................... 7
DISASSEMBLY PROCEDURES ................................... 8
SELF DIAGNOSIS FUNCTION (DIAG) ................... 9~23
AMP ADJUSTMENT .................................................... 23
DISPLAY DATA ........................................................... 24
IC DATA ................................................................. 25~31
BLOCK DIAGRAM ................................................. 32~35
PRINTED CIRCUIT BOARD .................................. 36~59
PIN CONNECTION DIAGRAM .............................. 60~61
SCHEMATIC DIAGRAM ........................................ 62~68
PARTS LIST ........................................................... 69~87
REMOTE CONTROL TRANSMITTER .................. 88~89
IMPORTANT NOTICE
This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.
It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already
known and understood by the users, and have therefore not been restated.
WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal
injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,
we advise all YAMAHA product owners that any service required should be performed by an authorized
YAMAHA Retailer or the appointed service representative.
IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or
recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and
service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable
and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please
contact the distributor's Service Division.
WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).
IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
RX-V800/RX-V800RDS/HTR-5280
P.O.Box 1, Hamamatsu, Japan
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Summary of Contents

Page 1 - RX-V800/RX-V800RDS/HTR-5280

SERVICE MANUALAV RECEIVERRX-V800/RX-V800RDS/HTR-5280100727 CONTENTSTO SERVICE PERSONNEL ... 1IMPEDANCE SELECT

Page 2 - ■ IMPEDANCE SELECTOR

RX-V800/RX-V800RDS/HTR-52809 SELF DIAGNOSIS FUNCTION (DIAG)There are 13 DIAG menu items each of which has sub-menu items. Listed in the table below a

Page 3 - ■ SPECIFICATIONS

RX-V800/RX-V800RDS/HTR-528010• Starting DIAGPress the “STANDBY/ON key while pressing those two keys indicated in thefigure on the right.• Starting DIA

Page 4 - TRANSMITTER

RX-V800/RX-V800RDS/HTR-528011Cause: An excessive current flowed to the power amplifier.Supplementary information: As current of the power transistor i

Page 5 - ■ FRONT PANELS

RX-V800/RX-V800RDS/HTR-528012• Functions in DIAG modeIn addition to the DIAG menu items, functions as listed below are available.• Input selection, 6C

Page 6 - ■ REAR PANELS

RX-V800/RX-V800RDS/HTR-528013• Details of DIAG menu1. DSP THROUGHThere are 3 sub-menu items (ANALOG BYPAS, DSP 0dB, DSP FULL BIT).SDOxx represents a t

Page 7 - R, T model

RX-V800/RX-V800RDS/HTR-528014• The signal is output in digital full bit without including the head margin.• The same applies as “DSP 0dB” except that

Page 8 - ■ INTERNAL VIEW

RX-V800/RX-V800RDS/HTR-528015HP FULL BIT [Remote control code: 7A-10 (PRESET+)]• The signal is output in digital full bit without including the head m

Page 9 - ■ DISASSEMBLY PROCEDURES

RX-V800/RX-V800RDS/HTR-5280163. RAM THROUGHThe main L/R uses the analog through method when analog signals are input and the DSP through method when d

Page 10

RX-V800/RX-V800RDS/HTR-5280174. PRO LOGIC [YSS928]Operation conforming to the ordinary Dolby Normal sound field is provided.[REMOTE CONTROL CODE: 7A-0

Page 11 - • Canceling DIAG

RX-V800/RX-V800RDS/HTR-5280MAIN: SMALL 0dB[Remote control code: 7A-88 (PRG 1)]MAIN: LARGE -10dB[Remote control code: 7A-89 (PRG 2)]CENTER: NONE[Remote

Page 12 - SUB-MENU selection

RX-V800/RX-V800RDS/HTR-52801WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!The solder used

Page 13 - • Functions in DIAG mode

RX-V800/RX-V800RDS/HTR-5280197. MANUAL TESTThe noise generator with a built-in DSP outputs the test noise through the channels specified by the sub-me

Page 14 - 1. DSP THROUGH

RX-V800/RX-V800RDS/HTR-528010. AD DATA CHECKThis menu is used to display the A/D conversion value of the main CPU which detects panel keys of the main

Page 15

RX-V800/RX-V800RDS/HTR-5280Display 00 01 02 03 04 05 06 07 08 09Fs (kHz) Analog 32 44.1 48 64 88.2 96 Unknown NRM Unknown DBLNot defined11. IF STATUSU

Page 16 - 2. HP ROUTE

RX-V800/RX-V800RDS/HTR-528022YS1-3 [Remote control code: - ] Indicates device status information of YSS928 (IC501). * The numeric value in the figure

Page 17 - 3. RAM THROUGH

RX-V800/RX-V800RDS/HTR-52800.1mV ~ 10.0mV(DC)0.1mV ~ 10.0mV(DC)R65 (MAIN Lch)R72 (MAIN Rch)R86 (CENTER)R31 (MAIN Lch)R38 (MAIN Rch)R55 (CENTER)R45 (RE

Page 18 - 4. PRO LOGIC [YSS928]

RX-V800/RX-V800RDS/HTR-5280/DSP-AX8 DISPLAY DATA● V901 : 16-BT-81GK (V5917600)● PIN CONNECTION● GRID ASSIGNMENT● ANODE CONNECTIONPin No.ConnectionPin

Page 19 - 6. DISPLAY CHECK

RX-V800/RX-V800RDS/HTR-5280/DSP-AX812011911811711611511411311211111010910810710610510410310210110099989796959493929190898887868584838281RAMA9RAMA3RAMA

Page 20 - 9. PRESET

RX-V800/RX-V800RDS/HTR-528026No. Name I/O Function1 XO O Crystal oscillator connection terminal2 XI I Crystal oscillator connection terminal (24.576 M

Page 21 - 10. AD DATA CHECK

RX-V800/RX-V800RDS/HTR-528027No. Name I/O Function76 VSS – GND77 VDD2 – +2.5V power supply (for internal circuit)78 RAMD0 I+/O SubDSP: Data terminal 0

Page 22 - 11. IF STATUS

RX-V800/RX-V800RDS/HTR-528028No. Name I/O Function154 SELI4 I+ Built-in selector input 4155 VSS – GND156 SELI3 I+ Built-in selector input 3157 SELI2 I

Page 23 - 12. DSP RAM CHECK

RX-V800/RX-V800RDS/HTR-5280 SPECIFICATIONS Audio SectionMinimum RMS Output Power (Power Amp. Section)(20 Hz to 20 kHz, 0.04% THD, 8 ohms)MAIN ...

Page 24 - ■ AMP ADJUSTMENT

RX-V800/RX-V800RDS/HTR-5280/DSP-AX8SVPVCTSVPVCTR2R3R0LR1LR0HR1HA-D Converter (10 bit x 8 ch, Possible to 10 ch)UART/Clock Synchronized SI/O (8 bit x 5

Page 25 - ■ DISPLAY DATA

RX-V800/RX-V800RDS/HTR-5280IC526 : M30802SGPPin Description30No. Port No.Function nameI/O Detail of functionON OFF BU1 P96 TXDR O232C transmission dat

Page 26 - ■ IC DATA

RX-V800/RX-V800RDS/HTR-528031No. Port No.Function nameI/O Detail of functionON OFF BU76 VSS VSS VSS Microcomputer ground77 P41Just before78 P40Just be

Page 27 - Pin Description

ABCDEFGH I J1234567RX-V800/RX-V800RDS/HTR-5280/DSP-AX8E-33/J-29E-32/J-28 BLOCK DIAGRAM (1/2)D-TV /LDVCR2 /DVRIC602IC603VCR2 /DVRVCR2 /DVRVCR2 /DVRD-T

Page 28

ABCDEFGH I J13457RX-V800/RX-V800RDS/HTR-5280/DSP-AX862MD/TAPEL/RAK4527IC514 1/2IC501IC511IC512IC512IC512IC5135/3577/1IC502, 503IC503IC506IC50731FL/FR

Page 29

RX-V800/RX-V800RDS/HTR-5280/DSP-AX8 PIN CONNECTION DIAGRAMAN78N05NJM7805FANJM7812FANJM78M05FANJM79M05FANJM79M12FA1: COM2: IN3: OUT511: OUT3: IN1: OUT

Page 30 - M30802SGP

RX-V800/RX-V800RDS/HTR-5280/DSP-AX8• Diodes 1N4002S1SR1391SS1331SS270A1T2HZS7B2TDMTZJ4.7CMTZJ5.1AMTZJ5.6BMTZJ6.8AMTZJ9.1AMTZJ11BMTZJ12AMTZJ12CMTZJ1

Page 31 - IC526 : M30802SGP

A123456789BCDEFGH I JKLRX-V800/RX-V800RDS/HTR-5280/DSP-AX8E-56/J-52SCHEMATIC DIAGRAM (FUNCTION)★ All voltage are measured with a 10M /V DC electric v

Page 32

A123456789BCDEFGH I JKLSCHEMATIC DIAGRAM (OPERATION 2/2)E-65/J-61RX-V800/RX-V800RDS/HTR-5280/DSP-AX8★ All voltage are measured with a 10M /V DC elect

Page 33 - ■ BLOCK DIAGRAM (1/2)

Y-INPUT SELECTORA123456789BCDEFGH I JKLRX-V800/RX-V800RDS/HTR-5280/DSP-AX8★ All voltage are measured with a 10M /V DC electric volt meter.★ Componen

Page 34 - ■ BLOCK DIAGRAM (2/2)

RX-V800/RX-V800RDS/HTR-5280435 (17-1/8")Unit : mm (inch)171 (6-3/4")150 (5-7/8") 394 (15-1/2")21(13/16")16(5/8")21.5(7/8

Page 35 - ■ PIN CONNECTION DIAGRAM

A123456789BCDEFGH I JKLSCHEMATIC DIAGRAM (MAIN)E-67/J-63RX-V800/RX-V800RDS/HTR-5280/DSP-AX8★ All voltage are measured with a 10M /V DC electric volt

Page 36 - • Transistors

A123456789BCDEFGH I JKLRX-V800/RX-V800RDS/HTR-5280/DSP-AX8E-68/J-64SCHEMATIC DIAGRAM (POWER)★ All voltage are measured with a 10M /V DC electric volt

Page 37 - SCHEMATIC DIAGRAM (FUNCTION)

RX-V800/RX-V800RDS/HTR-5280 WARNINGComponents having special characteristics are marked s and must bereplaced with parts having specifications equal

Page 38 - E-65/J-61

ABCDEFGH I J1234567RX-V800/RX-V800RDS/HTR-52808281 EXPLODED VIEW172R,T only21136136143132133136136137167144120120166166172172172172161112172172172161

Page 39 - SCHEMATIC DIAGRAM (VIDEO)

RX-V800/RX-V800RDS/HTR-528010mmHJ351/4W Type5mmHF851/6W TypeHF451/4W TypeValue 1/4W Type Part No. 1/6W Type Part No.10 kHF45 7100 HF45 710011 kHF45 71

Page 40 - SCHEMATIC DIAGRAM (MAIN)

REMOTE CONTROL TRANSMITTER● SCHEMATIC DIAGRAMABCDE1234567RX-V800/RX-V800RDS/HTR-5280/DSP-AX8K41 K42 K43 K44 K45 K46PLAY VOL- SLEEP TV VOL- MUTE VOL+

Page 41 - SCHEMATIC DIAGRAM (POWER)

RX-V800/RX-V800RDS/HTR-5280/DSP-AX8NO TV VCR CABLE/SAT CD AMP/TUNER TAPE/MD DVD MENU DVD/LD DSP/TUNER1 DSPShift DSP PROGRAM2 INPUT Shift INPUT SELECT0

Page 42 - PARTS LIST

RX-V800/RX-V800RDS/HTR-5280 FRONT PANELSRX-V800 (U, C, A, L, R, T models) • U, C and A models → BL (Black model)• L model → GD (Gold model)• R and T

Page 43 - ■ EXPLODED VIEW

RX-V800/RX-V800RDS/HTR-5280 REAR PANELSU modelTO REDUCE THE RISKOF FIRE OR ELECTRIC SHOCK,DO NOT EXPOSE THIS APPLIANCETO RAIN OR MOISTURE.RISQUE DE C

Page 44 - 1/6W Type

RX-V800/RX-V800RDS/HTR-5280G modelAC OUTLETSSWITCHEDI00W MAX. TOTALIMPEDANCE SELECTORSET BEFORE POWER ONMAIN A OR BBACENTERREARSPEAKERMIN.4SPEAKERMIN.

Page 45 - ■ REMOTE CONTROL TRANSMITTER

RX-V800/RX-V800RDS/HTR-5280CDEFHGIL AB0JK123 4 5 6 87 9 INTERNAL VIEW71 POWER (3) P.C.B.2 MAIN (5) P.C.B.3 MAIN (2) P.C.B.4 VIDEO (3) P.C.B.5 VIDEO (

Page 46 - Function Keychart

RX-V800/RX-V800RDS/HTR-5280 DISASSEMBLY PROCEDURES (Remove parts in the order as numbered.) Disconnect the power cord from the AC outlet.1. Removal o

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