Arcam Diva AVR250 Service Manual
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Arcam Diva AVR250 Service Manual

Surround sound receiver
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Table of Contents

See also: Handbook
DiVA
AVR250 AV Receiver
Service
Manual
Issue 1.0
ARCAM
ARCAM
Bringing music & movies to life
Bringing music & movies to life

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Table of Contents
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Summary of Contents for Arcam Diva AVR250

  • Page 1 DiVA Service Manual Issue 1.0 AVR250 AV Receiver ARCAM ARCAM Bringing music & movies to life Bringing music & movies to life...

  • Page 2: Table Of Contents

    ERVICE ANUAL v1.0 AVR250 SURROUND SOUND RECEIVER CONTENTS Page DISASSEMBLY INSTRUCTIONS ......... . . 2 ADJUSTMENT POINTS DIAGRAM .

  • Page 3: Disassembly Instructions

    AVR250 SURROUND SOUND RECEIVER DISASSEMBLY INSTRUCTIONS 1. Remove machine screws M 4.0 x 6.0 ( 1 to 6 ) from the side panels. Remove tapping screw 3.0 x 8.5 ( 7 )from the back panel. Refer to Figure No.1. Figure No.1 2.

  • Page 4: Adjustment Points Diagram

    AVR250 SURROUND SOUND RECEIVER ADJUSTMENT POINTS DIAGRAM AMP1 board - 3 -...
  • Page 5 AVR250 SURROUND SOUND RECEIVER AMP2 board TUNER board - 4 -...
  • Page 6 AVR250 SURROUND SOUND RECEIVER VIDEO board - 5 -...

  • Page 7: Instrument Setup

    AVR250 SURROUND SOUND RECEIVER INSTRUMENT SETUP 1. FM MEASUREMENT ANTENNA OUTPUT TERMINAL TERMINAL Fig. 1 DISTORTION SIGNAL UNIT ANALYZER GENERATOR P-901 VOLTMETER MILLIVOLT METER OSCILLOSCOPE Fig. 2 ANTENNA OUTPUT TERMINAL TERMINAL DISTORTION UNIT STEREO SIGNAL ANALYZER GENERATOR GENERATOR OSCILLOSCOPE VOLTMETER 2.
  • Page 8 AVR250 SURROUND SOUND RECEIVER FM/RDS SECTION - FM mono: 1kHz, 75kHz devi., 60dB/µV - FM stereo: 1kHz, 67.5kHz devi., 60dB/µV Pilot signal 19kHz 7.5kHz devi. OUTPUTS - Connect the non-inductive type resistor of 8 ohms to the all speaker terminals unless otherwise noted. Connec- Stereo tion of...
  • Page 9 AVR250 SURROUND SOUND RECEIVER VIDEO BOARD SECTION 1 Required measurement equipment : 100KHz Scope, DVD player DVD test disc : TDV-540A 2 Connect the DVD Player into AVR250 composite Video IN; connect the component Video to TV (or connect 75 ohm loading resistor).

  • Page 10: Important Notes

    AVR250 SURROUND SOUND RECEIVER IMPORTANT NOTES 1. Show the software version Press “DVD” and “SAT” at the same time. 2. Light up all the icon on the VFL Press “CD” and “TAPE” at the same time. 3. Reset Press “FM MUTE” and “PRESET/TUNE” at the same time. When VFL shows “Resetl1 REQ?”, press “OK” button. For CE version, the 9K/10KHz switch should be set to 9KHz and the voltage should be 230V AC.

  • Page 11: Wiring Diagram

    AVR250 SURROUND SOUND RECEIVER WIRING DIAGRAM POWER PCB SW PCB RS232 PCB PMAIN PCB TUNER PCB RECT PCB PSU PCB Toroidal Transformer CON2 PCB AUDIO PCB CON1 PCB AMP2 PCB AMP1 PCB MULTI PCB SP401 DSP PCB MAIN PCB P/N: 1681-7000-A VIDEO PCB VOL PCB PHONE PCB...

  • Page 12: Pcb Layout

    AVR250 SURROUND SOUND RECEIVER PCB LAYOUT KEY board - 11 -...
  • Page 13 AVR250 SURROUND SOUND RECEIVER AMP2 board component side - 12 -...
  • Page 14 AVR250 SURROUND SOUND RECEIVER AMP2 board copper side - 13 -...
  • Page 15 AVR250 SURROUND SOUND RECEIVER AUDIO board component side CON1 board component side SW board component side CON1 board copper side SW board copper side - 14 -...
  • Page 16 AVR250 SURROUND SOUND RECEIVER AUDIO board copper side VOL board PHONE board - 15 -...
  • Page 17 AVR250 SURROUND SOUND RECEIVER COM board component side COM board copper side POWER board component side POWER board copper side LED board component side LED board copper side RECT board component side RECT board copper side - 16 -...
  • Page 18 AVR250 SURROUND SOUND RECEIVER CON2 board component side CON2 board copper side PSU board - 17 -...
  • Page 19 AVR250 SURROUND SOUND RECEIVER DSP board component side - 18 -...
  • Page 20 AVR250 SURROUND SOUND RECEIVER DSP board copper side - 19 -...
  • Page 21 AVR250 SURROUND SOUND RECEIVER MAIN board - 20 -...
  • Page 22 AVR250 SURROUND SOUND RECEIVER TUNE board - 21 -...
  • Page 23 AVR250 SURROUND SOUND RECEIVER MUTI board copper side - 25 -...
  • Page 24 AVR250 SURROUND SOUND RECEIVER VIDEO board component side - 26 -...
  • Page 25 AVR250 SURROUND SOUND RECEIVER PMAIN board component side PMAIN board copper side - 22 -...
  • Page 26 AVR250 SURROUND SOUND RECEIVER AMP1 board component side AMP1 board copper side - 23 -...
  • Page 27 AVR250 SURROUND SOUND RECEIVER MUTI board component side - 24 -...
  • Page 28 AVR250 SURROUND SOUND RECEIVER VIDEO board copper side - 27 -...
  • Page 29 AVR250 SURROUND SOUND RECEIVER RS232 board component side RS232 board copper side - 28 -...

  • Page 30: Schematic Diagram

    AVR250 SURROUND SOUND RECEIVER SCHEMATIC DIAGRAM TUNER - 29 -...
  • Page 31 470u/10V RGB from MCU C848 R843 SDET R849 V_DIRE D807 R850 PAL-DET R840 D802 R841 1N4148 C849 1N4148 ARCAM Sound & Vision. Yout2V V_DIRE 2u2/16V C845 L807 Q812 D808 YUV IN H/Other L 10u/16V R9011 R845 100uH A933 Q809 O_DATA...
  • Page 32 D207 E_Z_L C544 1N4148 1N4148 Q417 VA401F C541 R413 R406 KTC8050 U419 EXT_BSLIN 220u/16V 330/1/8W +12V +4V7 R611 ARCAM Sound & Vision. R407 74HC4053 74HC4053 ZONE_R Z_AMP E_Z_R VA401E ZONE_L C542 DGND EXT_BSRIN C410 Z402 C578 C579 D208 D205 220u/16V...
  • Page 33 D130 1N4004 U105 1N4148 LM7812 D105 GND7 C107 IN4004 O_MU +12V 47u/50V D120 IN4004 GND13 GND6 R148 D136 ARCAM Sound & Vision. GND9 C105 1N4148 C101 1K2/0.25W Q101 C142 C138 C103 4700u/25V R117 D121 R147 GND6 Q107 C123 2200u/25V 47u/16V...
  • Page 34 SD_DATA14/EXTA17 EXTA17 EXTA17 C106 EXTD7 EXTA9 R154 DQ14 1/07 .01uF .1uF SD_DATA15/EXTA18 R155 EXTA18 EXTA18 EXTA10 DQ15 R181 ARCAM Sound & Vision SD_BA/EXTA19 R156 EXTA19 EXTA19 EXTA11 SD_DQM0 SD_DQM0_R SD_DQM0_R NV_OE#/GPIO15 EXTA12 R157 LD QM SD_WE# R158 SD_WE#_R SD_WE#_R EXTA13...
  • Page 35 R738/A 100/1W 0.22/5W C707 R719 R727 R731 Z701 R712 WIMA Q713 Q701 2SC3421 22K 1% RMF BSLO ARCAM Sound & Vision RN1241 BSMU R705 R706 C702 Z702 P701 R702 68 1% RMF 68 1% RMF R728 R732 R743 C741 WIMA...
  • Page 36 From PSU board P870 P120A 230V TO MAIN BOARD P120 120V HEADPHONE AC14V AC14V RE880 AC8.5V AC8.5V P806A ARCAM Sound & Vision. P806B R851 FROM HPO BOARD P806A TO PMAIN BOARD P806A AC5.2V 390/1W AC8.5V P1002B D880 MODEL: AVR250 TO KEY BOARD...
  • Page 37 AVR250 SURROUND SOUND RECEIVER S-VIDEO RS232 - 36 -...
  • Page 38 AVR250 SURROUND SOUND RECEIVER - 37 -...
  • Page 39 AVR250 SURROUND SOUND RECEIVER COM VIDEO - 38 -...
  • Page 40 AVR250 SURROUND SOUND RECEIVER AUDIO - 39 -...
  • Page 41 AVR250 SURROUND SOUND RECEIVER AMP2 - 40 -...

  • Page 42: Ic Block Diagram

    AVR250 SURROUND SOUND RECEIVER IC BLOCK DIAGRAM AUDIO BOARD AUDIO BOARD U3001: TC9273N-004 U3006: TC9273N 27 S1 27 S1 26 S2 26 S2 25 S3 25 S3 (L-ch) (R-ch) (L-ch) (R-ch) 24 S4 24 S4 10bit 10bit 10bit 10bit 23 S5 23 S5 Latch Latch...
  • Page 43 AVR250 SURROUND SOUND RECEIVER DSP BOARD U107: K4S161622H Data Input Register LDQM Bank Select DQ15 DQ14 DQ13 512K x 16 DQ12 DQ11 512K x 16 DQ10 Column Decoder LDQM N.C/RFU UDQM Latency & Burst Length LCKE Programming Register A10/AP LRAS LCBR LCAS LWCBR...

  • Page 44: Key Board

    AVR250 SURROUND SOUND RECEIVER KEY BOARD U1002: AT89S52 MAIN BOARD IN D E X C O R N ER U101: AT89S52 P1 .5 P0.4 (AD4) P0.5 (AD5) P1 .6 P1 .7 P0.6 (AD6) P0.7 (AD7) R ST (R XD ) P3 .0 E A / V P P A L E / P R O G (T XD ) P3 .1...
  • Page 45 AVR250 SURROUND SOUND RECEIVER MAIN BOARD U102: P89C669FA MAIN BOARD U103: 24C08 START STOP LOGIC SERIAL CONTROL H.V. PUMP/TIMING LOGIC LOAD COMP DATA RECOVERY DEVICE ADDRESS COMPARATOR LOAD DATA WORD EEPROM ADDR/COUNTER Y DEC SERIAL MUX /ACK LOGIC MULTI-CH BOARD RS232 BOARD U406-U417: NJM5532M U204: MAX232D...
  • Page 46 AVR250 SURROUND SOUND RECEIVER MULTI-CH BOARD U401: WM8770 - 45 -...
  • Page 47 AVR250 SURROUND SOUND RECEIVER TUNER BOARD U901: LA1837 TUNER BOARD U902: LC72723M V REF FLOUT Vddd Vdda CLOCK RECOVERY REFERENCE (57kHz) (1187.5Hz) VOLTAGE Vssd Vssa V REF 57kHz RDDA DATA MPXIN ANTIALIASING SMOOTHING (SCF) DECODER FILTER FILTER RDCL MODE (128bits) CLK(4.332MHz) RDS-ID/READY TEST...
  • Page 48 AVR250 SURROUND SOUND RECEIVER TUNER BOARD U903: LC7218 REFERENCE PHASE DETECTOR DIVIDER CHARGE PUMP XOUT SWALLOW COUNTER FMIN HCTR 1/16, 1/17 4 BIT 12-BIT PROGRAMMABLE AMIN LCTR DIVIDER UNIVERSAL SHIFT REGISTER LATCH COUNTER OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 VIDEO BOARD U801, U803, U804, U808, MONITOR OUT...
  • Page 49 AVR250 SURROUND SOUND RECEIVER VIDEO BOARD VIDEO BOARD U806, U807, U811, U814-U817, U821: BA7623 U819, U820, U823: TK15420M OUTPUT A V CC OUT1 driver OUTPUT B -INPUT A OUT2 driver -INPUT B +INPUT A OUT3 driver +INPUT B V EE V CC VIDEO BOARD U813: TA1270BF...
  • Page 50 AVR250 SURROUND SOUND RECEIVER VIDEO BOARD U810: LC74763-9012 Serial 8-bit Latch Parallel Converter Command Horizontal Vertical Flashing/ Horizontal Vertical Display RAM Write SCLK decoder Display Display Reversal Character Character Control Address Position Position Control Register Counter Size Register Size Register Register Register Register...
  • Page 51 AVR250 SURROUND SOUND RECEIVER VIDEO BOARD U805: TC90A69 PLL DET 8fsc 4fsc IIC BUS (8fsc) CORING V-ENHANCER CORING Ped. DELAY CLIP PEAKING LINE LINE INTERPOLATION MEMORY MEMORY KILLER DYNAMIC COMB FILTER C-N.C Sync Clamp - 50 -...

  • Page 52: Electrical Parts List

    AVR250 SURROUND SOUND RECEIVER ELECTRONICS PART LIST Reference No. Part No. Description POWER AMP1 ASSY PC BOARD PCB-AL060C-AMP1 PCB ASSY POWER AMP1 CAPACITORS C121, C231, C341, C441, C541, C641, C741 153I-102J-9-NL CM 63V 0.001uF 5% RB 7.5 C401, C501, C601, C701 157Q-106M-K-IUE CE 35V 10U 20% 5X11 RLT C402, C502, C602, C702...
  • Page 53 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description Q409, Q410, Q509, Q510, Q609, Q610, Q709, Q710 485A-949O-5 TR 2SA949-O HFE 70-140 Q412, Q512, Q612, Q712 485C-2229-5 TR 2SC2229-0 HFE 70-140 Q413, Q513, Q613, Q713 4860-1220-5 TR 2SC3421 (0, Y) RL TSB Q416, Q516, Q616, Q716 485C-5171-5 TR 2SC5171 HFE 100-320...
  • Page 54 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description R440, R540, R640, R740 4720-471J-J RMG 1/10W 470R 5% 0805 R443, R543, R643, R743 4720-223J-J RMG 1/10W 22K 5% 0805 R802 4720-302J-J RMG 1/10W 3K 5% 0805 R803, R806, R821, R823 4720-472J-J RMG 1/10W 4.7K 5% 0805 R804, R805...
  • Page 55 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description CAPACITORS C101, C201, C301 157Q-106M-K-IUE CE 35V 10U 20% 5X11 RLT C102, C202, C302 153H-471J-9-NLV CM 100V 470P 5% RB C103, C104, C203, C204, C303, C304 157I-476M-K-OVTI CE 63V 47U 20% RLT C105, C205, C305 157D-227M-K-OVY CE 16V 220U 20% RLT...
  • Page 56 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description R102, R112, R202, R212, R302, R312 4711-223A-2 RMF 1/8W 22K 1% AT R103, R104, R203, R204, R303, R304 4720-101A-J RMG 1/10W 100R 1% 0805 R105, R106, R205, R206, R305, R306 4720-680A-J RMG 1/10W 68R 1% 0805 R107, R207, R307 4720-221J-J...
  • Page 57 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description MISCELLANEOUS SE802 8910-0489-0 THERMISTOR 100C AUDIO ASSY PC BOARD PCB-AL060C-AUD PCB ASSY AUDIO AL060C CAPACITORS C3001, C3002, C3003, C3004, C3005, C3006, C3007, C3008, C3009, C3010, C3011, C3012, C3013, C3014, C3015, C3016, C3101, C3102, C3103, C3104, C3105, C3106, C3107, C3108, C3109, C3110 150F-221K-J-BD...
  • Page 58 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description R3063 4711-471A-2 RMF 1/8W 470R 1% AT R3081, R3082, R3183, R3184 4720-105J-J RMG 1/10W 1M 5% 0805 R3092, R3094 4720-473J-J RMG 1/10W 47K 5% 0805 R3093, R3095 4720-243J-J RMG 1/10W 24K 5% 0805 R3096, R3098 4720-203J-J RMG 1/10W 20K 5% 0805...
  • Page 59 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description R279 4720-183J-J RMG 1/10W 18K 5% 0805 R280 4720-472J-J RMG 1/10W 4.7K 5% 0805 U201, U202, U204 3131-8950-0 IC LT1675CGN VIDEO SW U203 3132-1160-0 IC LT1675CS8-1 VIDEO SW WIRE P802 7012-6679-0 CONN WIRE 6P P=2.5 24AWG P803 7012-6760-0...
  • Page 60 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description C102, C176 157B-108M-K-OVI CE 6.3V 1000UF 20%RLT 8X C103 157D-476M-K-IUI CE 16V 47UF 20% RLT C104, C106, C107, C110, C111, C112, C116, C117, C118, C119, C120, C121, C122, C123, C126, C127, C128, C131, C135, C136, C137, C138, C139, C143, C147, C158, C160, C161, C166, C167, C172, C173 150F-104K-J-BD...
  • Page 61 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description R134, R135, R136, R137, R138, R139, R140, R141, R142, R143, R144, R145, R146, R147, R150, R153, R154, R155, R156, R157, R158, R163, R164, R165, R166, R174, R176, R177, R178, R179, R182, R186, R191, R194, R195, R196, R208, R209, R210, R211, R219 4720-101J-J RMG 1/10W 100R 5% 0805...
  • Page 62 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description KEY ASSY PC BOARD PCB-AL060C-KEY PCB ASSY KEY AL060C CAPACITORS C1001, C1002 15CH-200J-2-FC CTC 0/60 20pF 5% AT C1003 157D-476M-K-IUI CE 16V 47UF 20% RLT C1004 150F-470K-2-GD CC 50V 47P 10% AT C1005, C1006, C1009 150F-103K-2-FC CC 50V 0.01uF 10% AT 3.5...
  • Page 63 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description SW1006, SW1007, SW1008, SW1009, SW1010, SW1011, SW1012, SW1013, SW1014, SW1015, SW1016, SW1017, SW1018, SW1019, SW1020, SW1021, SW1022, SW1023, SW1024, SW1025, SW1026 5200-3628-0-00 TACT SW SKHHBY 7MM HIGH LE1011, LE1012, LE1013 3700-2489-G LED 3MM GREEN SP WIRE P102A...
  • Page 64 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description C105, C108, C109, C113, C125, C126, C127, C128, C129, C130, C131 150F-104K-2-FC CC 50V 0.1UF 10% AT C106 157F-107M-K-OVI CE 50V 100U 20% RLT C107 157F-476M-K-LUI CE 50V 47UF 20% RLT C110, C133 157E-108M-K-X9TI CE 25V 1000U 20% RLT...
  • Page 65 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description CRYSTAL CR101, CR102 2300-1920-0 X’TAL 11.0592 MHZ TRANSISTOR Q101, Q112, Q120 485C-123J-5 TR DTC123JSA ROHM Q106, Q107, Q108, Q109, Q110, Q115, Q119, Q121 485A-114E-5 TR DTA114ESA ROHM Q113, Q114, Q116, Q123 485C-114E-5 TR DTC114ES Q117, Q118...
  • Page 66 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description U108 3130-5610-0 IC LM317T+ADJ REGULATOR U110 3130-6360-0 IC 7905 -5V REG 1.5A U111 3130-7650-0 IC 7810 +10V VOLTAGE HEATSINKS U104A, U107A, U108A, U110A, U111B, U112A 5400-0831-0 HEATSINK U105C, U106A 5400-1702-0 HEATSINK 23.5X17X50 WIRE P805B 7012-6769-0...
  • Page 67 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description C431 150F-223K-J-BD CC 50V 0.022U 10% 0805 C441, C445, C449, C453, C457, C461, C465 150F-101J-J-BD CC 50V 100pF 5% 0805 1.2 C466, C467, C468, C469, C470, C471, C472 153I-221J-9-NL CM 63V 220pF 5% RB 7.5x6 C494, C567 150F-330J-J-BD CC 50V 33pF 5% 0805 1.2x...
  • Page 68 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description R426, R430, R434, R438, R442, R446, R450, R534, R535, R544, R546, R554, R556, R564, R566, R574, R576, R582 4720-203J-J RMG 1/10W 20K 5% 0805 R453, R454, R456, R457, R459, R460, R462, R463, R465, R466, R468, R469, R471, R472, R633, R634 4720-000J-J...
  • Page 69 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description PC BOARD 1725-696A-0001 PCB MULTI/VIDEO AVR300 PHONE ASSY PC BOARD PCB-AL060C-PHO PCB ASSY PHONE AL060C CAPACITORS C1, C2 150F-102K-2-FC CC 50V 1000pF 10% AT 3.5 DIODES D880 4804-1480-2 DIODE 1N4148 AT JACKS/SOCKETS 2113-1733-0 PHONE JACK 6312-03-070...
  • Page 70 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description WAFERS/SOCKETS N801, N802, N803, N804, N805, N806, N807, N808, N809, N810 2101-1231-0 SPADE TERMINAL 6.3X0.8 P103B, P105B 2101-1811-0 8P PIN CONNECTOR P=3.96 P804A 2101-1621-0 WAFER (PCB/PCB) 10P P2.0 P806A 2102-041S-004 4P ST.WAFER JACKS/SOCKETS SP801, SP803, SP804 2113-1770-0...
  • Page 71 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description PC BOARD 1725-695A-0001 PCB AMP1/AMP2/SW/RECT/ POWER ASSY PC BOARD * CE BLACK / CE SILVER PCB-AL060C-PSU PCB ASSY POWER SUPPLY * UL BLACK / UL SILVER PCB-AL062C-PSU PCB ASSY POWER SUPPLY CAPACITORS C874 150F-104K-2-FC...
  • Page 72 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description FUSE F871 5120-0044-0 FUSE T6.3A 250V 5X20 F870 5120-0170-0 FUSE T10A 250V 5X20MM WIRE P873 7012-6737-0 CONN WIRE UL1672 18AWG P873 7012-6738-0 CONN WIRE UL1672 18AWG PC BOARD 1725-694A-0001 PCB KEY/TUN/PSU/PHONE MISCELLANEOUS F870, F871 4132-1011-0...
  • Page 73 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description C220, C221, C223, C225, C227, C229, C230, C238, C239, C254 157D-106M-K-IUI CE 16V 10UF 20% RLT 5X11 C222, C224, C226, C228 157D-106M-K-GII CE 16V 10UF 20% RLT 4X5 C234, C235, C246, C247 150F-151K-J-BD CC 50V 150pF 10% 0805 1.
  • Page 74 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description R256, R280, R301, R303 4720-152J-J RMG 1/10W 1.5K 5% 0805 R258, R282 4720-223J-J RMG 1/10W 22K 5% 0805 R259, R283 4720-472J-J RMG 1/10W 4.7K 5% 0805 R268 4718-101J-C-X RMF 1W 100R 5% ATS METAL R274, R287 4720-122J-J RMG 1/10W 1.2K 5% 0805...
  • Page 75 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description PC BOARD 1725-695A-0001 PCB AMP1/AMP2/SW/RECT/ TUNER ASSY PC BOARD * CE BLACK / CE SILVER PCB-AL060C-TUNE PCB ASSY TUNER AL060C * UL BLACK / UL SILVER PCB-AL062C-TUNE PCB ASSY TUNER AL062C CAPACITORS C381, C382, C383, C384, C385, C386 150F-101K-2-FC...
  • Page 76 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description J704B 2101-1601-0 SOCKET (PCB/PCB) 16P M901 * CE BLACK / CE SILVER 2107-0682-0 ANT-TERMINAL (DIN-TYPE) JACKS/SOCKETS P901 2113-1160-0 WAFER 2P ST. P=2.5 NH 1002 2113-1774-0 JACK RCA 6P R/W GOLD W/O COILS L902, L905, L906, L985 1801-101K-M...
  • Page 77 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description R943 4711-822A-2 RMF 1/8W 8.2K 1% AT R945 4711-392A-2 RMF 1/8W 3.9K 1% AT R950 4711-684A-2 RMF 1/8W 680K 1% AT R952, R953 4711-223A-2 RMF 1/8W 22K 1% AT R957, R958 4711-272A-2 RMF 1/8W 2.7K 1% AT R959, R960...
  • Page 78 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description C8003, C822, C830, C832, C834, C836, C840, C963 153I-103J-9-NL CM 63V 0.01uF 5% RB 7.5x C801, C802, C803, C804, C805, C817, C917 15CH-220J-J-BD CTC 0/60 22PF 5% 0805 C806, C807, C808, C886 150F-470J-J-BD CC 50V 47pF 5% 0805 1.2x C809, C815, C994, C995, C996...
  • Page 79 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description WAFERS/SOCKETS P801 2102-021S-004 2P ST.WAFER P801A 2102-100S-003 WAFER 10 PIN P2 P802 2101-1801-0 SOCKET (PCB/PCB) 10P P803 2101-1601-0 SOCKET (PCB/PCB) 16P P803B 2102-061S-004 6P ST. WAFER JACKS/SOCKETS AV, DVD IN, MONI, SAT IN, VCR1 IN, VCR1 OUT, VCR2 IN, VCR2 OUT 2113-3052-0 1P RCA YELLOW 1P...
  • Page 80 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description R822, R823, R824, R825, R826, R827, R840, R842, R843, R879, R881, R883, R921, R922, R923, R924, R925, R926, R928, R930, R931, R932, R933, R934, R935, R942, R943, R944, R960, R961, R962, R963 4720-750J-J RMG 1/10W 75R 5% 0805 R828, R832, R889, R891, R895...
  • Page 81 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description U810 3131-3750-0 IC LC74763-9012 OSD U813 3132-0990-0 IC TA1270BF VIDEO CHROMA U819, U820, U823 3132-1010-0 IC TK15420M DUAL VIDEO U822 3132-1000-0 IC TA8772AN PAL/SECAM/NT SEMI FIXED RV803 4756-2226-3-06 SVR 2.2K H3 7X7.6 R0615C RV804, RV805 4756-1026-3-06 SVR 1K H3 7X7.6 RH0615C...

  • Page 82: Exploded View

    AVR250 SURROUND SOUND RECEIVER EXPLODED VIEW 0246 0141 0142 0145 PCB01 0139 0146 0214 0229 0230 0147 0228 0244 0231 0202 0138 0232 0208 0148 0143 PCB02 0207 0207 0105 PCB03 0247 0131 0140 PCB04 0191 0238 0154 PCB06 0130 PCB05 0215 0137...

  • Page 83: Exploded View Parts List

    AVR250 SURROUND SOUND RECEIVER EXPLODED VIEW PARTS LIST Reference No. Part No. Description 0101 *CE BLACK / UL BLACK 1403-6246-0 FRONT PANEL BLACK AVR250 0101 *CE SILVER / UL SILVER 1403-6247-0 FRONT PANEL SILVER 0102 *CE SILVER / UL SILVER 1405-1002-0 TOP COVER SILVER AVR300 0102 0102...
  • Page 84 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description 0140 2954-3210-3000 SCREW M3.2X10MM B-TITE 0141, 0218, 0238 2954-3010-3000 B-TITE 3X10MM (BLK.ZN) 0145 2900-3010-3000 SCREW PH M3X 10 MM BZ CR 0146 2600-3005-0800 METAL WASHER M3X0.5X8MM 0147, 0213 2607-3007-0550 SPRING WASHER 0148 2640-3022-0540 M3 NUT...
  • Page 85 AVR250 SURROUND SOUND RECEIVER Reference No. Part No. Description 0239 3716-9911-0 LED -LENS PAINTED BLACK 0240, 0241 2601-3008-0801 FIBRE WASHER M3X0.8X8MM 0246 4155-0131-0 PC SHEET 42*12*0.5MM 0247 4155-0121-0 PC HEET 56*28*0.5MM 0248 4155-0111-0 PC SHEET 23.5*20*0.3MM 0249 4157-0681-0 RUBBER CUSHION 25X15X4MM 0250 3000-9519-0 LABEL REO GROUND SYMBOL...

  • Page 86: Service Parts Assembly

    AVR250 SURROUND SOUND RECEIVER SERVICE PARTS ASSEMBLY (WELL ALIGNMENT & TESTED) SVC P/N DESCRIPTION SVC-AL050-TOP-BL ASSEMBLY TOP COVER (BLACK) SVC-AL051-TOP-SI ASSEMBLY TOP COVER (SILVER) SVC-AL050C-AUD ASSEMBLY PCB-AUDIO SVC-AL050C-MAIN ASSEMBLY PCB-MAIN SVC-AL050C-PAMIN ASSEMBLY PCB-PMAIN SVE-AL050C-REAR ASSEMBLY REAR-PANEL SVC-AL050C-TUN ASSEMBLY PCB-TUNER SVC-AL050C-VIDEO ASSEMBLY PCB-VIDEO SVC-AL052C-TUN ASSEMBLY PCB-TUNER...
  • Page 87 PEMBROKE AVENUE, WATERBEACH, CAMBRIDGE CB5 9PB, ENGLAND www.arcam.co.uk Sep.01, 2004 P/N: AL060C-SM00A...

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