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RX-V800/RX-V800RDS/HTR-5280
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:
IMPORTANT:
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:
IMPORTANT:
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
1 0 0 7 2 7
SERVICE MANUAL
IMPORTANT NOTICE
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.
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.
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).
Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
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
AV RECEIVER
P.O.Box 1, Hamamatsu, Japan

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Summary of Contents for Yamaha RX-V800

  • Page 1: Table Of Contents

    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.
  • Page 2: To Service Personnel

    RX-V800/RX-V800RDS/HTR-5280 TO SERVICE PERSONNEL 1. Critical Components Information AC LEAKAGE Components having special characteristics are marked s WALL EQUIPMENT TESTER OR and must be replaced with parts having specifications equal OUTLET UNDER TEST EQUIVALENT to those originally installed. 2. Leakage Current Measurement (For 120V Models Only)
  • Page 3: Specifications

    RX-V800/RX-V800RDS/HTR-5280 SPECIFICATIONS Audio Section S-Video Sigal Level Y ................. 1 Vp-p / 75 ohms Minimum RMS Output Power (Power Amp. Section) C ..............0.286 Vp-p / 75 ohms (20 Hz to 20 kHz, 0.04% THD, 8 ohms) MAIN ............... 100W + 100W Component Video Sigal Level CENTER ................
  • Page 4: Remote Control Transmitter

    RX-V800/RX-V800RDS/HTR-5280 • DIMENSIONS REMOTE CONTROL TRANSMITTER INPUT HALL CHURCH JAZZ TUNER MD/TAPE ROCK ENTERTAINMENT TV SPORTS D-TV/LD VCR 1 MONO MOVIE 1-MOVIE THTR-2 CD-R CBL/SAT VCR 2/DVR y y /DTS SUR. 6.1/ES EFFECT PHONO 6CH INPUT V-AUX > ENTER 435 (17-1/8")
  • Page 5: Front Panels

    FRONT PANELS • U, C and A models → BL (Black model) RX-V800 (U, C, A, L, R, T models) • L model → GD (Gold model) • R and T models → BL (Black model) and GD (Gold model)
  • Page 6: Rear Panels

    RX-V800/RX-V800RDS/HTR-5280 REAR PANELS U model DIGITAL OUTPUT AUDIO AUDIO VIDEO WARNING TO REDUCE THE RISK TUNER S VIDEO VIDEO COMPONENT OF FIRE OR ELECTRIC SHOCK, TAPE DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. (PLAY) ATTENTION RISQUE DE CHOC...
  • Page 7 RX-V800/RX-V800RDS/HTR-5280 G model DIGITAL OUTPUT AUDIO AUDIO VIDEO TUNER S VIDEO VIDEO COMPONENT TAPE (PLAY) MD/TAPE CD-R D-TV (REC) SPEAKERS OUTPUT AC OUTLETS OPTICAL SWITCHED I00W MAX. TOTAL MAIN /SAT (PLAY) UNBAL. CD-R CD-R D-TV/LD MAIN (REC) VDR 1 D-TV...
  • Page 8: Internal View

    RX-V800/RX-V800RDS/HTR-5280 INTERNAL VIEW 1 POWER (3) P.C.B. A DSP P.C.B. K MAIN (3) P.C.B. 2 MAIN (5) P.C.B. B FUNCTION P.C.B. L POWER (1) P.C.B. 3 MAIN (2) P.C.B. C OPERATION (5) P.C.B. 4 VIDEO (3) P.C.B. D OPERATION (4) P.C.B.
  • Page 9: Disassembly Procedures

    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 of Top Cover a. Remove 2 screws (1), 4 screws (2) and 5 screws (3) in Fig. 1. b. Slide the Top Cover rearward to remove it.
  • Page 10: Self Diagnosis Function (Diag)

    RX-V800/RX-V800RDS/HTR-5280 SELF DIAGNOSIS FUNCTION (DIAG) There are 13 DIAG menu items each of which has sub-menu items. Listed in the table below are menu items and sub-menu items. No. DIAG menu sub-menu Remote control code (key) DSP THROUGH 1. ANALOG BYPAS (ANALOG BYPASS) 7A-90 (PRG 9) 2.
  • Page 11 RX-V800/RX-V800RDS/HTR-5280 • Starting DIAG Press the “STANDBY/ON key while pressing those two keys indicated in the figure on the right. • Starting DIAG in the protection cancel mode Keys of main unit (in sealing panel) If the protection function works and causes hindrance to trouble diagnosis, cancel...
  • Page 12 RX-V800/RX-V800RDS/HTR-5280 When there is a history of protection function: Cause: An excessive current flowed to the power amplifier. When there is a history of Supplementary information: As current of the power transistor is detected, the protection function against Version excess current (1 alphabet) abnormal channel can be identified by checking the current detect transistor.
  • Page 13 RX-V800/RX-V800RDS/HTR-5280 • Functions in DIAG mode In addition to the DIAG menu items, functions as listed below are available. • Input selection, 6CH input • REC OUT (ZONE2) switching • Center/Rear/Sub-woofer level adjustment • Muting • Speaker relay A/B • Power on/off •...
  • Page 14 RX-V800/RX-V800RDS/HTR-5280 • Details of DIAG menu 1. DSP THROUGH There are 3 sub-menu items (ANALOG BYPAS, DSP 0dB, DSP FULL BIT). ANALOG BYPASS [Remote control code: 7A-90 (PRG9)] • The input mode is fixed to use the analog (A/D) system.
  • Page 15 RX-V800/RX-V800RDS/HTR-5280 DSP 0dB [Remote control code: 7A-91 (PRG 10)] • C/SWFR, FL/FR, RL/RR signals are output through DSP (see the signal path in the figure below) without using the external DRAM. (Head margin included) Head margin: Main L/R: 0dBFS, Center: -6dBFS, Rear Center: -3dBFS, FL/FR: -6dBFS, RL/ RR: -12dBFS, SWFR: Add L/R signal at -20dBFS.
  • Page 16 RX-V800/RX-V800RDS/HTR-5280 2. HP ROUTE There are 2 sub-menu items (HP 0dB and HP FULL BIT). HP 0dB [REMOTE CONTROL CODE: 7A-93 (PRG 12)] • L/R, C/SWFR, FL/FR, RL/RR signals are output through DSP (see the signal path in the figure below) without using the external DRAM. (Head margin included) •...
  • Page 17 RX-V800/RX-V800RDS/HTR-5280 3. RAM THROUGH The main L/R uses the analog through method when analog signals are input and the DSP through method when digital signals are input. The Center, FL/FR and RL/RR signals are output through the external DRAM. RAM 0dB [REMOTE CONTROL CODE: 7A-11 (PRESET-)]...
  • Page 18 RX-V800/RX-V800RDS/HTR-5280 4. PRO LOGIC [YSS928] Operation conforming to the ordinary Dolby Normal sound field is provided. [REMOTE CONTROL CODE: 7A-0C (CD FF)] [2ch source] Same as ordinary Pro Logic except that the auto input balance function is off. ANALOG CODEC...
  • Page 19 RX-V800/RX-V800RDS/HTR-5280 5. SPEAKERS SET The input signal is automatically identified in the order of dts → DOLBY DIGITAL → PCM → Analog. There are five sub-menu items as follows. The signals output from the DSP block are the same as 1. DSP THROUGH: DSP 0dB.
  • Page 20 Noise is output from the SUB WOOFER channel. 8. RS-232C RX-V800 does not use this menu. 9. PRESET This menu is used to reserve and inhibit initialization of the back-up RAM. The signals are processed using EFFECT OFF. (The L/R signal is output using ANALOG MAIN BYPASS.) PRESET INHIBIT (Initialization inhibited) [REMOTE CONTROL CODE: –]...
  • Page 21 During signal processing, the condition before execution of this menu is maintained. REC OUT [Remote control code: –] RX-V800 does not use this sub-menu. K0/K1 (Panel key of main unit) [Remote control code: –] A/D of the key fails to function properly when the standard value is deviated by ±4%.
  • Page 22 RX-V800/RX-V800RDS/HTR-5280 11. IF STATUS Using the sub-menu, the status data is displayed one after another in the hexadecimal notation. During signal processing, the status before execution of this menu is maintained. * Numeric values in the figure example are for reference.
  • Page 23 RX-V800/RX-V800RDS/HTR-5280 CS1-5 [Remote control code: -]: Indicates channel status information of the input signal (IEC60958). BI1-4 [Remote control code: -]: Indicates information of the bit stream included in the DOLBY DIGITAL signal. BS1-4 [Remote control code: -]: Indicates information of the bit stream included in the dts signal.
  • Page 24: Amp Adjustment

    RX-V800/RX-V800RDS/HTR-5280 13. MICROPROCESSOR INFORMATION There are 4 sub-menu display. The version, checksum and the port specified by the microprocessor are displayed. The signal is processed using EFFECT OFF. The checksum is obtained by adding the data at every 16 bits for each program area and expressing the result as a 4- figure hexadecimal data.
  • Page 25: Display Data

    RX-V800/RX-V800RDS/HTR-5280/DSP-AX8 DISPLAY DATA V901 : 16-BT-81GK (V5917600) PATTERN AREA PIN CONNECTION Pin No. Connection Pin No. Connection Note : 1) F1, F2 ..Filament 2) NP ..No pin 3) DL ..Datum Line 4) 1G ~ 16G ..Grid 5) IC ..
  • Page 26: Ic Data

    RX-V800/RX-V800RDS/HTR-5280/DSP-AX8 IC DATA IC501 : YSS928 PHONO EQ RAMA9 RAMA3 SELI1 RAMA4 SELI0 SELI9 SELOA SELI10 SELOB SELI11 TESTMS SELI12 TESTXEN SELI13 IPORT0 RAMA2 IPORT1 RAMA5 IPORT2 RAMA1 IPORT3 RAMA6 IPORT4 RAMA0 RAMA7 DDIN0 DDIN1 RAMA8 DDIN2 VDD1 DDIN3 RASN...
  • Page 27 RX-V800/RX-V800RDS/HTR-5280 IC501 : YSS928 Pin Description Name Function Crystal oscillator connection terminal Crystal oscillator connection terminal (24.576 MHz) SELI1 Built-in selector input 1 SELI0 Built-in selector input 0 SELOA Built-in selector A output SELOB Built-in selector B output TESTMS Test terminal Unconnected...
  • Page 28 RX-V800/RX-V800RDS/HTR-5280 Name Function – VDD2 – +2.5V power supply (for internal circuit) RAMD0 I+/O SubDSP: Data terminal 0 for external memory RAMD1 I+/O SubDSP: Data terminal 1 for external memory RAMD2 I+/O SubDSP: Data terminal 2 for external memory RAMD3...
  • Page 29 RX-V800/RX-V800RDS/HTR-5280 Name Function SELI4 Built-in selector input 4 – SELI3 Built-in selector input 3 SELI2 Built-in selector input 2 TESTXI Test terminal Must be connected with VSS. TESTXO Test terminal Unconnected. VDD2 – +2.5V power supply (for internal circuit) Is: Schmidt trigger input terminal...
  • Page 30 RX-V800/RX-V800RDS/HTR-5280/DSP-AX8 IC526 : M30802SGP 16bit µ-COM (Main CPU) /WRL/WR/CASL /WRH/BHE/CASH /RD/DW /BCLK/ALE/CLK M30802SGP /HLDA/ALE /HOLD /ALE/RAS /RDY /K13 /K12 /CYS /RTS /K11 /CLK /K10 /CTS /RTS /CTS /CLKS /CLK /SDA (*1) 0OUT /SCL (*1) N channnel Open Drain Output I/O Port...
  • Page 31 RX-V800/RX-V800RDS/HTR-5280 IC526 : M30802SGP Pin Description Port No. Function name Detail of function TXDR 232C transmission data / Yokokawa data transmission 232C RTS output / Yokokawa clock input 232C CTS input Fan control SDTN None audio serial transmission data (necessary port)
  • Page 32 RX-V800/RX-V800RDS/HTR-5280 Port No. Function name Detail of function Microcomputer ground Just before Just before Just before Just before Just before Just before Just before Just before Just before P124 SCKA Clock output for audio IC P123 SDTA Data output for audio IC...
  • Page 35: Pin Connection Diagram

    RX-V800/RX-V800RDS/HTR-5280/DSP-AX8 PIN CONNECTION DIAGRAM • ICs µPC29M33T-E1 AN78N05 NJM79M05FA PQ025EZ5MZP NJM7805FA NJM79M12FA NJM7812FA NJM78M05FA 3: IN 2: COM 3: OUT 3: IN 1: COM 1: OUT 1: OUT 2: IN 2: COM NJM2068MD NJM2068LD TC4066BP TC74HC00AF NJM2904M NJM4556AL TC74HCU04AF TK15420M TC74VHCT08AF µPC4570G2...
  • Page 36 RX-V800/RX-V800RDS/HTR-5280/DSP-AX8 • Diodes 1N4002S MTZJ5.6B 1SS355 1SR139 MTZJ6.8A RB501V-40 Anode Anode 1SS133 MTZJ9.1A 1SS270A MTZJ11B MTZJ12A HZS7B2TD MTZJ12C MTZJ4.7C MTZJ16A Cathode MTZJ5.1A MTZJ30.0A Cathode D2SBA20 S5VB20 — — • Transistors 2SB1565 2SA893A 2SA933S 2SA1492 2SA1015 2SC1740S 2SD2396 2SC3856 2SB949 2SD1915F...
  • Page 38: Schematic Diagram

    RX-V800/RX-V800RDS/HTR-5280/DSP-AX8 SCHEMATIC DIAGRAM (OPERATION 2/2) IC801: TC4066BP Quad Analog Switch/Multiplexer IN/OUT1 OUT/IN1 CONT1 OUT/IN2 CONT4 IN/OUT2 IN/OUT4 CONT2 OUT/IN4 CONT3 OUT/IN3 IN/OUT3 CB974 IC802, IC803: NJM2068LD Dual OP-Amp IC804: NJM4556AL Dual OP-Amp 2, 6 OUTPUT –INPUT 1, 7 +INPUT 3, 5...
  • Page 39 RX-V800/RX-V800RDS/HTR-5280/DSP-AX8 SCHEMATIC DIAGRAM (VIDEO) IC601: TK15420M IC602, IC603, IC702: TC74HC4051AP Video Amp Analog Multiplexer/Demultiplexer OUT A E-66/J-62 –IN A OUT B – – +IN A –IN B +IN B 46.6 46.5 46.6 47.1 IC607, IC752: TC74HC4053AP INPUT SELECTOR -4.8 Analog Multiplexer/Demultiplexer 25.4...
  • Page 40 RX-V800/RX-V800RDS/HTR-5280/DSP-AX8 SCHEMATIC DIAGRAM (MAIN) FRONT L POWER AMP 46.5 46.5 46.2 46.5 36.5 46.2 -0.4 24.2 -1.0 12.2 36.1 36.8 36.8 -0.5 -0.5 -1.0 -1.0 -46.5 -46.5 -45.3 FRONT R POWER AMP 46.5 46.5 46.2 -0.4 -1.0 -11.8 -0.5 -0.5 -11.8...
  • Page 41 RX-V800/RX-V800RDS/HTR-5280/DSP-AX8 SCHEMATIC DIAGRAM (POWER) POWER RELAY 13.2 13.1 VOLTAGE SELECTOR 240V 1-2/5-6 220V 2-3/6-7 110V 3-4/7-8 120V 4-5/8-1 E-62/J-58 E-62/J-58 REGULATOR 17.1 12.0 17.7 -17.3 -12.0 -17.7 29.4 16.3 -0.1 -0.1 -9.7 -9.2 -4.8 x: NOT USED O: USED / APPLICABLE...
  • Page 43: Exploded View

    RX-V800/RX-V800RDS/HTR-5280 EXPLODED VIEW 3-11 200-1 3-21 R,T only 2-56 3-22 R,B,G,T models 3-33 2-21 2-57 R,B,G,T models 3-31 2-52 3-25 2-41 2-60 2-52 2-56 2-57 2-13 2-57 2-25 2-11 2-40 2-55 2-55 2-57 2-26 2-22 2-27 2-54 2-12 2-55 2-57...
  • Page 46 ENTERTAINMENT TV SPORTS MONO MOVIE VCR 2/DVR y y /DTS SUR. 6CH INPUT ENTER INDEX DISC SKIP PRESET VCR REC DISPLAY A/B/C/D/E DIR A DIR B SELECT TITLE MENU SET MENU STANDBY INPUT SLEEP MUTE...

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