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Yamaha R-S202 Service Manual
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Yamaha R-S202 Service Manual

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R-S202/R-S202D
■ CONTENTS
TO SERVICE PERSONNEL ........................................... 2
FRONT PANELS ............................................................ 3
REAR PANELS .............................................................. 4
REMOTE CONTROL PANEL ......................................... 7
SPECIFICATIONS .......................................................... 7
INTERNAL VIEW ........................................................... 9
SERVICE PRECAUTIONS ............................................. 9
DISASSEMBLY PROCEDURES .................................. 10
UPDATING FIRMWARE ............................................... 13
SELF-DIAGNOSTIC FUNCTION ................................. 19
1 0 1 3 6 4
RECEIVER
SERVICE MANUAL
DISPLAY DATA ............................................................ 30
IC DATA ........................................................................ 31
BLOCK DIAGRAMS ..................................................... 35
WIRING DIAGRAM ...................................................... 37
PRINTED CIRCUIT BOARDS ...................................... 38
PIN CONNECTION DIAGRAMS .................................. 44
SCHEMATIC DIAGRAMS ............................................ 45
REPLACEMENT PARTS LIST ..................................... 49
REMOTE CONTROL .................................................... 60
'16.04

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  • Page 1: Table Of Contents

    RECEIVER R-S202/R-S202D SERVICE MANUAL ■ CONTENTS TO SERVICE PERSONNEL ........... 2 DISPLAY DATA ............30 IC DATA ................ 31 FRONT PANELS ............3 BLOCK DIAGRAMS ............. 35 REAR PANELS .............. 4 WIRING DIAGRAM ............37 REMOTE CONTROL PANEL ......... 7 SPECIFICATIONS ............

  • Page 2: To Service Personnel

    R-S202/R-S202D ■ TO SERVICE PERSONNEL AC LEAKAGE WALL EQUIPMENT TESTER OR 1. Critical Components Information OUTLET UNDER TEST EQUIVALENT Components having special characteristics are marked ⚠ and must be replaced with parts having specifications equal to those originally installed. 2. Leakage Current Measurement (For 120V Models Only)

  • Page 3: Front Panels

    R-S202/R-S202D ■ FRONT PANELS R-S202 R-S202D...

  • Page 4: Rear Panels

    R-S202/R-S202D ■ REAR PANELS R-S202 (U, C models) R-S202 (R model) R-S202 (T model)
  • Page 5 R-S202/R-S202D R-S202 (K model) R-S202 (A model) R-S202 (G model)
  • Page 6 R-S202/R-S202D R-S202 (L model) R-S202D (B, G models)

  • Page 7: Remote Control Panel

    R-S202/R-S202D ■ REMOTE CONTROL PANEL ■ SPECIFICATIONS ■ Audio Section RAX33 Minimum RMS Output Power (Power Amp. Section) (40 Hz to 20 kHz, 0.2 % THD, 8 ohms / L/R drive) U, C, R, T, A, B, G models ......... 100 W + 100 W L model ................85 W + 85 W Dynamic Power Per Channel (IHF) 8 / 6 / 4 / 2 ohms ..........125 / 150 / 165 / 180 W...
  • Page 8 R-S202/R-S202D ■ AM Section • DIMENSIONS Tuning Range U, C models .............530 to 1,710 kHz R, L models ........530 to 1,710 / 531 to 1,611 kHz Top view T, A, G models ............531 to 1,611 kHz ø 71.6 Antenna ..................Loop antenna ■...

  • Page 9: Internal View

    R-S202/R-S202D ■ INTERNAL VIEW Top view a SWITCH P.C.B. (R model) b MAIN (1) P.C.B. c TUNER Module (R-S202) MAIN (8) P.C.B. + DAB Module (A-S202D) d MAIN (5) P.C.B. e MAIN (7) P.C.B. f POWER TRANSFORMER g MAIN (6) P.C.B.

  • Page 10: Disassembly Procedures

    R-S202/R-S202D ■ DISASSEMBLY PROCEDURES (Remove parts in the order as numbered.) Disconnect the power cable from the AC outlet. 1. Removal of Top Cover Remove screw (1), 4 screws (2) and 6 screws (3). (Fig. 1) b. Remove the top cover. (Fig. 1) 2.
  • Page 11 R-S202/R-S202D 3. Removal of AMP Unit Remove 11 screws (7). (Fig. 3) b. Remove 4 screws (8) and screw (9). (Fig. 2) Remove CB4, CB7, CB103 and CB202. (Fig. 2) d. Remove the AMP unit. (Fig. 2) CB103 CB202 MAIN (1) P.C.B.
  • Page 12 R-S202/R-S202D When checking the MAIN (1) P.C.B.: • Place the P.C.B.s (with rear panel) upright. (Fig. 4) • Connect the heatsink and rear panel to the chassis with a ground lead or the like. (Fig. 4) • Reconnect all cables (connectors) that have been disconnected.

  • Page 13: Updating Firmware

    R-S202/R-S202D ■ UPDATING FIRMWARE When the following parts are replaced, the firmware must be updated to the latest version. MAIN P.C.B. Microprocessor: IC203 on FUNCTION (1) P.C.B. ● Confirmation of firmware version and checksum Before and after updating the firmware, check the firmware version and checksum by using the self-diagnostic function menu.
  • Page 14 R-S202/R-S202D ● Connection Disconnect the power cable of this unit from the AC outlet. • Connect the writing port (CB201 on MAIN (1) P.C.B.) located on the rear panel of this unit to the USB port of the PC with USB to serial converter, RS-232C conversion adaptor and flexible flat cable as shown below. (Fig. 1)
  • Page 15 R-S202/R-S202D Select the type of the microprocessor and make the workspace. (Fig. 3) • Microcontroller: RL78 • Using Target Microcontroller: RL78/G13, R5F100JF • Workspace Name: Any name • Project Name: Any name • Folder: Any place * Click [Browse…] and specify the place where the workspace is made. (Fig.3) Click [Next].
  • Page 16 R-S202/R-S202D Select COMx with the Tool and click [Next]. (Fig. 4) Do not proceed to other settings until clicking [Next] is completed. (Fig. 4) Tool: COMx Fig. 4 Make the port (COMx) setting. (Fig. 5) a. Access the device manager. (Fig. 5) * To access the device manager, click [Start], [Control panel], [System], [Hardware] and [Device manager] in this order.
  • Page 17 R-S202/R-S202D Click [Browse...] and select the firmware name. (Fig. 6) 10. Click [Start] to start writing. (Fig. 6) Writing being executed. Fig. 6...
  • Page 18 R-S202/R-S202D 11. When writing of the firmware is completed, the screen appears as shown below. (Fig. 7) 12. Click [X] to end RFP.exe. (Fig. 7) Fig. 7 13. Disconnect the power cable of this unit from the AC outlet. 14. Remove the RS-232C conversion adaptor and flexible flat cable from the writing port (CB201 on MAIN (1) P.C.B.) of this unit.

  • Page 19: Self-Diagnostic Function

    R-S202/R-S202D ■ SELF-DIAGNOSTIC FUNCTION This unit has self-diagnostic functions that are intended for inspection, measurement and location of faulty point. Each item has a main menu, each of which has sub-menu items. Listed in the table below are main menu items and sub-menu items.
  • Page 20 R-S202/R-S202D ● Starting Self-Diagnostic Function While pressing the “BASS +” and “SPEAKERS A” keys, press the “z” (Power) key to turn on the power, and release those 2 keys. The self-diagnostic function mode is activated. Keys of this unit “ ” (Power) indicator “...
  • Page 21 R-S202/R-S202D ● Display provided when Self-Diagnostic Function started The display is as described below depending on the situation when the power to this unit is turned off. 1. When the power is turned off by usual operation: “NO PROTECT” is displayed. Then “1. VERSION/SUM” is displayed in a few seconds.
  • Page 22 R-S202/R-S202D 2-2. When the protection function worked due to abnormal DC output. DC xxxL H: Displayed when the voltage is HIGHER than upper limit L: Displayed when the voltage is LOWER than lower limit xxx: A/D conversion value of voltage at the moment when the protection function worked (Reference voltage: 3.3 V = 255)
  • Page 23 R-S202/R-S202D ● History of protection function When the protection function has worked, its history is stored in memory as backup data. Even if no abnormality is noted while servicing the unit, an abnormality which has occurred previously can be defined as long as the backup data has been stored.
  • Page 24 MODEL/DESTINATION R -U(013) The model name and destination are displayed. Not for service. Destination: U (U, C), R, T, A, B, G, L Model R (R-S202) Model name RD (R-S202D) 1-4. BLUETOOTH VERSION B 3.05 The firmware version of the Bluetooth module is displayed.
  • Page 25 R-S202/R-S202D 2. DISPLAY CHECK This menu is used to check operation of the FL display. Using the sub-menu, the display varies as shown below. FL display 2-1. INITIAL DISPLAY 2-2. ALL SEGMENT OFF 2-3. ALL SEGMENT ON * After check, change to next sub-menu at once.
  • Page 26 R-S202/R-S202D 3. Bluetooth The infomation of the Bluetooth module is displayed. 3-1. Bluetooth ADDRESS The address of the Bluetooth module is displayed. 3481F4- 3-2. Bluetooth LOOPBACK Not for service. B UART NG 3-3. Bluetooth NAME The writing of memory is checked in Bluetooth module.
  • Page 27 R-S202/R-S202D 6. AD DATA CHECK This menu is used to display the A/D conversion value of the microprocessor which detects panel keys and protection functions by using the sub-menu. When “6-6. KEY” sub-menu is selected, keys become inoperable due to detection of the values of all keys. However, it is possible to advance to the next menu by pressing the “...
  • Page 28 R-S202/R-S202D 6-5. DESTINATION The destination is displayed. DEST 6-6. KEY0 / KEY1 Panel key is detected. KEY0: The voltage at 40 pin (KEY0) of IC203 is displayed. KEY1: The voltage at 41 pin (KEY1) of IC203 is displayed. When the A/D conversion value of the panel key becomes out of the specified range, normal operation will not be available.
  • Page 29 R-S202/R-S202D PROTECTION HISTORY This menu is used to display the history of protection function. When the “SPEAKERS B” key is pressed, the protection history being displayed will be cleared. * Numeric values in the figure are given as reference only.

  • Page 30: Display Data

    R-S202/R-S202D ■ DISPLAY DATA ● V501 : 010ST027GNK (MAIN P.C.B.) PATTERN AREA ● PIN CONNECTION Pin No. Connection F2 Pin No. Connection 10G P16 P15 P14 P13 P12 P11 P10 P9 Note : 1) Fn ..Filament pin 2) nG ..Grid pin 3) Pn ..

  • Page 31: Ic Data

    R-S202/R-S202D ■ IC DATA IC203: R5F100JFAFA (MAIN (1) P.C.B.) Microprocessor * No replacement part available. TIMER ARRAY PORT 0 P00 to P03 UNIT (8ch) TI00/P00 PORT 1 P10 to P17 TO00/P01 TI01/TO01/P16 PORT 2 P20 to P27 TI02/TO02/P17 (TI02/TO02/P15) PORT 3...
  • Page 32 PLED Power LED (LOW = OFF) P146 3.3S_PON Power supply (VFD driver power supply) P147/ANI18 MODEL Model discrimination (LOW=R-S202 / HIGH=R-S202D) P27/ANI7 KEY0 INPUT ( , a) / BASS (+, -) / TREBLE (+, -) P26/ANI6 KEY1 SPEAKERS (A, B) / FM MODE / MEMORY / BAND / PRESET (<, >) / TUNING (<<, >>)
  • Page 33 R-S202/R-S202D Key detection for A/D port Key input (A/D) pull-up resistance 10 k-ohms 0 Ω + 1.0 k Ω + 1.0 k Ω + 1.5 k Ω + 2.2 k Ω + 3.3 k Ω + 4.7 k Ω Detected voltage 0 –...
  • Page 34 R-S202/R-S202D MEMO...

  • Page 35: Block Diagrams

    R-S202/R-S202D ■ BLOCK DIAGRAMS Audio Section Block Diagram BT_N_RST Bluetooth Module (BM20) BT_AMP_EN BT_MFB INT CLK:72MHz RY102 SPARY SPEAKERS POWER LINE 1 AMPLIFIER RY103 SPBRY LINE 2 PHONES PRE_N_MUTE RY101 HPRY LINE 3 IC202 EVOL_SCL Vol IC EVOL_SDA BD3491FS REC_N_MUTE <interrupt>...
  • Page 36 R-S202/R-S202D Power Supply Section Block Diagram IC203 +3.3M Microprocessor (IC203), Remote, +3.3M Microprocessor Key Input, Rotary Encoder Sub Transformer Q209 +3.3S THM, FL Driver, Control circuit around Microprocessor 3.3S_PON Power Amplifier 120V / 230V / 220・240V / 110-120・220-240V / 50・60 Hz...

  • Page 37: Wiring Diagram

    Side view R model power transformer together. Tie AC cable and all wire from power transformer together. SWITCH R model R-S202: TUNER Module R-S202D: MAIN (8) P.C.B. + DAB Module to MAIN (1) (CB102) MAIN (1) CB204 W102 CB101 Avoid all wire from touching heatsink.

  • Page 38: Printed Circuit Boards

    R-S202/R-S202D ■ PRINTED CIRCUIT BOARDS Safety measures 安全対策 • Some internal parts in this product contain high voltages and are dangerous. Be sure to take safety measures during ・ この製品の内部には高電圧部分があり危険です。 修理の際は、 絶縁性の手袋を使用するなどの安全対策を行ってください。 servicing, such as wearing insulating gloves. ・ 下記のコンデンサには電源を OFF にした後も電荷が残り、高電圧が維持されており危険です。修理作業前に放電用抵抗...
  • Page 39 R-S202/R-S202D Ref no. Location D110 D111 D112 D114 MAIN (1) (Side B) D115 D117 D119 D120 D125 D126 D127 D128 T, A, G, L models R model D202 D203 D204 D207 IC102 IC202 IC202 IC203 IC102 Q101 Q102 Q103 13 14...
  • Page 40 R-S202/R-S202D MAIN (2) (Side A) MVOL_RB MVOL_RA KEY1 KEY0 MPSW M_PLED POWER TRANSFORMER FL_SCK FL_MOSI Remote control FL_STB FL_MISO sensor 3.3S 3.3M SW_SPAB STANDBY/ON -24V MP_SW 3.3M indicator MAIN (1) (CB204) FM MODE MEMORY BAND PRESET TUNING 3.3M VOL_RA chassis...
  • Page 41 R-S202/R-S202D MAIN (2) (Side B) IC501 MAIN (4) (Side B) MAIN (3) (Side B) • Semiconductor Location Ref no. Location D501 D502 IC501 Q502 Q503 Q504...
  • Page 42 R-S202/R-S202D MAIN (5) MAIN (6) MAIN (7) (Side A) (Side A) (Side A) MAIN (1) (W102) W250 MAIN (1) (CB101) PHONES MAIN (8) (Side A) (R-S202D) CB602 MAIN (1) (CB202) • Semiconductor Location Ref no. Location IC250...
  • Page 43 R-S202/R-S202D MAIN (5) MAIN (6) MAIN (7) (Side B) (Side B) (Side B) MAIN (8) (Side B) SWITCH (Side A) (R-S202D) R model VOLTAGE SELECTOR 220–230V 110–120V YELLOW PURPLE POWER TRANSFORMER ORANGE...

  • Page 44: Pin Connection Diagrams

    R-S202/R-S202D ■ PIN CONNECTION DIAGRAMS • ICs BD3491FS-E2 HT16515-44LQFP LM61CIZ NJM2904M R5F100JFAFA R1190H033B-T1-FE • Diodes 1SS352 TE BAV103 UDZV2.4B UDZV3.9B UDZV4.7B UDZV9.1B Anode Anode Anode Anode – UDZV12B UDZV15B UDZV24B – UDZV36B Cathode Cathode Cathode + AC Cathode • Transistors...

  • Page 45: Schematic Diagrams

    R-S202/R-S202D ■ SCHEMATIC DIAGRAMS Page 46 B6 to BTCARD D e s t i n a t i o n P a r t L i s t to MAIN (2)_CB501 + - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - +...
  • Page 46 R-S202/R-S202D MAIN 2/2 MAIN (3) V 5 0 1 0 1 0 S T 0 2 7 G N K S P A B –22V C B 5 0 2 V I 8 7 8 2 0 to POWER W 5 0 2 B...
  • Page 47 R-S202/R-S202D SWITCH SWITCH (R model) P R M _ S W VOLTAGE SELECTOR 1 1 0 - 1 2 0 V 2 2 0 - 2 3 0 V C B 3 R e d O r a n g e...

  • Page 48: Replacement Parts List

    R-S202/R-S202D ■ REPLACEMENT PARTS LIST • ELECTRICAL COMPONENT PARTS WARNING ● Components having special characteristics are marked ⚠ and must be replaced with parts having specifica- tions equal to those originally installed. ABBREVIATIONS IN THIS LIST ARE AS FOLLOWS: C.A.EL.CHP : CHIP ALUMI.ELECTROLYTIC CAP...
  • Page 49 R-S202/R-S202D R-S202 MAIN Ref No. Part No. Description Markets Ref No. Part No. Description Markets ZU625400 P.C.B. MAIN C168-169 UR877330 C.EL 33uF ZU625500 P.C.B. MAIN C170 ZD517600 C.MYLAR 100pF 100V ZU625600 P.C.B. MAIN C171 UR837100 C.EL 10uF ZU625700 P.C.B. MAIN...
  • Page 50 R-S202/R-S202D R-S202 MAIN Ref No. Part No. Description Markets Ref No. Part No. Description Markets D101 WY164800 DIODE.ZENR UDZV24B RD356470 R.CHP 4.7KΩ 1/16W J D102 ZP358601 DIODE 1SS352 TE RD357100 R.CHP 10KΩ 1/16W J D103-106 ZA984400 DIODE BAV103 RD357100 R.CHP 10KΩ...
  • Page 51 R-S202/R-S202D R-S202 MAIN SWITCH Ref No. Part No. Description Markets Ref No. Part No. Description Markets R191 WW863200 R.CAR.FP 82Ω 1/4W R310 RD357470 R.CHP 47KΩ 1/16W J R192 WW975500 R.MTL.OXD 39KΩ 1/4w R311 RD356100 R.CHP 1KΩ 1/16W J R193 RD357300 R.CHP...
  • Page 52 R-S202/R-S202D R-S202D MAIN Ref No. Part No. Description Markets Ref No. Part No. Description Markets ZU626000 P.C.B. MAIN C172 WW194100 C.MYLAR 0.1uF 100V ⚠ VG879900 CN.BS.PIN C173-176 WN200100 C.CE.M.CHP 0.01uF 100V ⚠ CB5-6 WN103000 CLIP.FUSE TP00351-31 C189 WN200100 C.CE.M.CHP 0.01uF 100V ⚠...
  • Page 53 R-S202/R-S202D R-S202D MAIN Ref No. Part No. Description Markets Ref No. Part No. Description Markets C701 US035100 C.CE.CHP 0.1uF 16V B Q503 WW782100 TR.DGT DTC014EUBTL D1-4 ZP358601 DIODE 1SS352 TE Q504 WC397600 2N5401S-RTK/P WY163800 DIODE.ZENR UDZV9.1B RD359220 R.CHP 2.2MΩ 1/16W J ⚠...
  • Page 54 R-S202/R-S202D R-S202D MAIN Ref No. Part No. Description Markets Ref No. Part No. Description Markets * R186 WW863901 R.CAR.FP 330Ω 1/4W R292 RD357100 R.CHP 10KΩ 1/16W J R187 WW865200 R.CAR.FP 2.4KΩ 1/4W R293 RD356100 R.CHP 1KΩ 1/16W J R188-189 RD357300 R.CHP...
  • Page 55 R-S202/R-S202D R-S202D MAIN Ref No. Part No. Description Markets ⚠ YF766A00 TRANS TE101 V9065900 TERM.SP MSP-108V-01 PBSN TH101 V9760200 THRMST.CHP NCP18XH103J03RB U501 WW715100 L.DTCT SIR8430MH6 * V501 ZJ559100 FL.DSPLY 010ST027GNK ZG943300 FL.SPACER WP935100 HOLDER New Parts...
  • Page 56 R-S202/R-S202D Carbon Resistors Value 1/4W Type Part No. 1/6W Type Part No. Value 1/4W Type Part No. 1/6W Type Part No. 1.0 Ω 3100 3100 11 kΩ 7110 7110 HJ35 HF85 HF45 HF45 1.8 Ω 3180 12 kΩ 7120 7120...
  • Page 57 R-S202/R-S202D • OVERALL ASSEMBLY R model 1 (7) 32 (2) 1 (5) 32 (3) 1 (6) 1 (3) 1 (2) 32 (1) 1 (1) 1 (4) R-S202D R-S202 202 T, K, A, G models R-S202D U, C, R, L models...
  • Page 58 R6,AA,UM-3 2pcs ⚠ WY041100 POWER CABLE 1.8m ⚠ WY041700 POWER CABLE 1.8m SERVICE TOOLS ZU460600 FRONT PANEL R-S202 BL ZK189200 RS-232C CONVERSION ADAPTOR V5.0 without FFC ZU460700 FRONT PANEL R-S202 BL RTKAGL ZD896000 FLEXIBLE FLAT CABLE 9P 150mm P=1.25 SUPPORTING TAPE...

  • Page 59: Remote Control

    R-S202/R-S202D ■ REMOTE CONTROL KEY NO. LAYOUT KEY CODE SCHEMATIC DIAGRAM PANEL RAX33 Key No Function Code SLEEP 7A-30 z STANDBY/ON 7E-2A LINE 1 7A-C1 U1 GPM6P1001A LINE 2 7A-19 LINE 3 7A-18 7A-15 TUNER 7A-16 BAND 7A-AE VSS_TX TUNING...
  • Page 60 R-S202/R-S202D MEMO...
  • Page 61 R-S202/R-S202D...

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