NAD T 765 Service Manual
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NAD T 765 Service Manual

NAD T 765 Service Manual

Surround sound receiver
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Draft Date August 2009
NAD
T 765
Surround Sound
Receiver

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Summary of Contents for NAD T 765

  • Page 1 Draft Date August 2009 T 765 Surround Sound Receiver...

  • Page 2: Safety Information

    SAFETY INFORMATION Manufactured under license under U.S. Patent #’s: 5,451,942; 5,956,674; 5,974,380; 5,978,762; 6,226,616; 6,487,535; 7,003,467; 7,212,872 & other U.S. and worldwide patents issued & pending. DTS is a registered trademark & the DTS logos and Symbol are trademarks of DTS, Inc. © 1996-2007 DTS, Inc. All Rights Reserved.

  • Page 3: Table Of Contents

    SERVICE SAFETY PRECAUTIONS 1. Replacing the fuses CAUTION: FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE OF FUSE. Reference Designator Database Part Number Description F8001*AH 20-001-0078-90 FUSE TIME-LAG 10A/250VAC 5X20mm UL/CSA 5T F8002*C,CT 20-001-0069-90 FUSE 800mA 250V TIME LAG LBC 5x20mm 5T UL/CSA/VDE/SEMKO F8002*AH 20-001-0076-90...

  • Page 4: Specifications

    SPECIFICATIONS POWER AMPLIFIER SECTION ≤ 0.1 % Rated distortion (Rated power level into 8 ohms, THD 20 Hz-20 kHz FL/C/FR) ≤ 0.1 % (Rated power level into 8 ohms, THD 20 Hz-20 kHz SL/SR/BL/BR) 0.9 ± 0.1 V Input Sensitivity (ref. 8 ohms, 1 kHz) ≥...

  • Page 5: Am Tuner Section

    DTS SECTION 0.5 −0.2/+0.8 W Output Level (Vol 0 dB) : FL/FR/C/SL/SR Track 6 1 kHz 0 ± 1.0 dB Channel Difference (FL ref) : FL/FR/C/SL/SR Track 6 1 kHz ≤ 0.08 % Harmonic Distortion (Audio Filter) : FL/FR/C/SL/SR Track 10-14 1 kHz Frequency Response (20 Hz to 20 kHz) Track 26-30...

  • Page 6: Rear Panel / Front Panel View

    REAR PANEL / FRONT PANEL VIEW 12 13 DIGITAL AUDIO IN/OUT 7.1 CH INPUT 14. IR IN/OUT HDMI XM MODULE INPUT(AH) 15. ZONE 2,3,4 16. AUDIO PREOUT COMPONENT IN &OUT DAB MODULE INOUT(C,CT) 10. RS-232 17. SPEAKERS A, SPEAKER B MP DOCK 11.

  • Page 7: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS Remove machine screws M4.0 x 8.0 (1 to 6) from the side panels. Remove tapping screw 3.0 x 8.0 (7 to 10) from the back panel. Refer to Figure No. 1. Figure No. 1 Pull both sides of the TOP COVER slightly outwards 11 and tilt approx. 35 ° and then remove in the direction as indicated by the arrow 12.

  • Page 8: Wiring Diagram

    WIRING DIAGRAM...

  • Page 9: Wiring Diagram Parts List

    WIRING DIAGRAM PARTS LIST ITEM PART NO. DESCRIPTION REMARK 17-012-2965-90 CABLE ASSY 4 WAYS #26 2.5P L=400mm PSU BD-J8002A 17-012-3943-90 CABLE ASSY 1 WAY #16 UL1672 BLUE L=140mm PSU BD-J8011 FASTON 4.8mm 17-012-3944-90 CABLE ASSY 1 WAY #16 UL1672 BROWN L=140mm PSU BD-J8012 FASTON 4.8mm 17-012-3940-90...

  • Page 10: Block Diagram

    BLOCK DIAGRAM...

  • Page 11: Special Function

    SPECIAL FUNCTION Function Keys Notes Factory Reset AH Source Down + Front/MP Factory Reset C Source UP + Front/MP Toggle IR Channel Source Down + Power Only for v1.08 or higher. Check MCU Version Source Down + Source UP For v1.03 or higher, this checks all versions. Check DSP Version Source Down + Listening Mode Only for v1.02 or older.
  • Page 12 U1001 Pin 9 - Serial clock (PCM), 2.8224MHz U1001 Pin 9 - Serial clock (Analog), 3.072MHz U4520 Pin 7 - X4503 output, 13.500MHz U2001 Pin 12 - X2001A output, 20.000MHz U4507 Pin 75 - X4501 output, 14.31818MHz...

  • Page 13: Adjustment Points Diagram / Amplifier Adjustment

    ADJUSTMENT POINT DIAGRAM LEFT/RIGHT CHANNEL AMPLIFIER BOARD SECONDARY / ISC BOARD AMPLIFIER ADJUSTMENT Idle Current Rotate R5221 fully clockwise. Connect DC millivoltmeter to P5501 (i.e. Across half of R5228 and R5530, 0.22 Ohm resistor). Turn on the unit. Adjust R5221 for 2mV +/- 0.2mV reading on voltmeter. Leave power on for at least 5 min, and check for idle current again.

  • Page 14: Pcb Layout

    PCB LAYOUT POWER AMPLIFIER LEFT_CH BOARD-COPPER SIDE First Production runs: Production runs: T76T765G00001-T76T765G00650 & T76T765T00951 and above T76T765T00651-T76T765T00950...
  • Page 15 LEFT_CH BOARD - COMPONENT SIDE First Production runs: Production runs: T76T765G00001-T76T765G00650 & T76T765T00951 and above T76T765T00651-T76T765T00950...
  • Page 16 RIGHT_CH BOARD-COPPER SIDE First Production runs: Production runs: T76T765G00001-T76T765G00650 & T76T765T00951 and above T76T765T00651-T76T765T00950...
  • Page 17 RIGHT_CH BOARD-COMPONENT SIDE First Production runs: Production runs: T76T765G00001-T76T765G00650 & T76T765T00951 and above T76T765T00651-T76T765T00950...
  • Page 18 DSP BOARD - COPPER SIDE...
  • Page 19 DSP BOARD - COMPONENT SIDE...
  • Page 20 KEY BOARD - COPONENT SIDE...
  • Page 21 PRE-OUT BOARD- COPPER SIDE...
  • Page 22 PRE-OUT BOARD-COMPONENT SIDE...
  • Page 23 VOLUME BOARD - COPPER SIDE...
  • Page 24 VOLUME BOARD - COMPONENT SIDE...
  • Page 25 F-INPUT BOARD - COPPER SIDE F-INPUT BOARD - COMPONENT SIDE...

  • Page 26: Main Board (Component Side)

    MAIN BOARD-COPPER SIDE MAIN BOARD -COMPONENT SIDE...
  • Page 27 TRIGGER BOARD - COMPONENT SIDE TRIGGER BOARD - COPPER SIDE...
  • Page 28 COMPONENT BOARD-COMPONENT SIDE COMPONENT BOARD-COPPER SIDE...

  • Page 29: Video Board - Component Side

    VIDEO BOARD - COPPER SIDE VIDEO BOARD - COMPONENT SIDE...
  • Page 30 HDMI BOARD-COPPER SIDE (FROM SN T79T765T02405)
  • Page 31 HDMI BOARD-COMPONENT SIDE (FROM SN T79T765T02405)
  • Page 32 PSU-ISC BOARD-COMONENT SIDE PSU-ISC BOARD-COPPER SIDE...
  • Page 33 CONNECTOR 1 BOARD-COMPONENT SIDE CONNECTOR 1 BOARD-COPPER SIDE...
  • Page 34 MCU BOARD-COMPONENT SIDE MCU BOARD-COPPER SIDE...
  • Page 35 PSU-STD BOARD-COMPONENT SIDE PSU-SECONDARY BOARD-COMPONENT SIDE...
  • Page 36 CONNECTOR-3 BOARD-COMPONENT SIDE CONNECTOR-4 BOARD-COMPONENT SIDE SPEAKER BOARD-COMPONENT SIDE...
  • Page 37 CONNECTOR-2 BOARD-COMPONENT SIDE...

  • Page 38: Schematic Diagram

    SCHEMATIC DIAGRAM First Production runs: T76T765G00001-T76T765G00650 & POWER AMPLIFIER RIGHT-CH T76T765T00651-T76T765T00950 R5018 R5038 R5039 1/2W D5411 LL4148 Q5017 R5138 R5139 2SC5669 Q5006 D5412 R5034 LL4148 MMBT5401LT1 O_GND C5012 Q5013 Q5008 100p 100V MMBT5551LT1 Q5015 R5031 R5238 R5239 MMBT5401LT1 D5413 Q5007 C5019 2SD1918 LL4148...
  • Page 39 SCHEMATIC DIAGRAM Production runs: T76T765T00951 and above POWER AMPLIFIER RIGHT-CH R 5 0 1 8 R 5 0 3 8 R 5 0 3 9 D5 4 1 1 4 7 1 /2 W 1 5 k 2 2 k LL4 1 4 8 C 5 0 0 9 R 5 0 1 0...
  • Page 40 First Production runs: POWER AMPLIFIER LEFT-CH T76T765G00001-T76T765G00650 & T76T765T00651-T76T765T00950 R5518 1/2W R5538 R5539 D5510 LL4148 Q5517 M5804-B 2SC5669 C5516 R5534 R5638 R5639 Q5506 C5512 D5610 FL(B) 100p LL4148 O_GND 100V J5802A MMBT5401LT1 100p Q5513 MMBT5551LT1 Q5515 To Speaker Out R5531 M5803-B R5738 R5739...
  • Page 41 Production runs: POWER AMPLIFIER LEFT-CH T76T765T00951 and above R 5 5 1 8 4 7 1 /2 W R 5 5 1 0 C 5 5 0 9 D5 5 1 0 R 5 5 3 8 R 5 5 3 9 1 0 0 4 7 u F R 5 5 1 4...
  • Page 42 DSP-1 R 1 0 0 5 L1 0 0 1 +5 V _ DS P +3 .3 V D U 1 0 1 8 -F +3 .3 V D 2 2 5 u H 4 7 k 7 4 H C U 0 4 C 1 0 0 3 C 1 0 0 1 R 1 0 0 1...
  • Page 43 DSP-2 U 1 0 1 3 PC M 1 7 9 1 A R 1 2 7 6 1 7 9 1 _ LR C K 1 7 9 1 _ M S LR C K R 1 2 8 2 R 1 0 9 5 7 .5 k 1 7 9 1 _ B C K...
  • Page 44 DSP-3 R 1 1 8 9 N .I. +1 2 V _ A U 1 0 2 3 -A U 1 0 3 4 C 1 2 6 4 N JM 5 5 3 2 M LM 1 1 1 7 - 5 .0 R 1 1 8 8 1 0 k Q 1 0 2 0 2 S C 4 6 9 5 C 1 2 6 5...
  • Page 45 CONNECTOR-3 J5401B J5801B to AMP-R (J5401A) to AMP-L (J5801A) PO_FL PO_FL I_GND I_GND PO_SL PO_SL I_GND I_GND PO_BSL PO_BSL I_GND I_GND ISC_SEN_R ISC_SEN_R RELAY_B RELAY_B RELAY_F RELAY_F SC_2 SC_2 SC_1 SC_1 THM_PRO THM_PRO ISC_THM_R ISC_THM_R I_DET I_DET V_DET V_DET OVLD_PRO OVLD_PRO FAN_SEN FAN_SEN...
  • Page 46 KEYBOARD +5 V _ K +5 V _ K V D2 2 0 1 R 2 2 3 0 R 2 2 3 1 1 0 k 1 0 k M 2 2 0 1 V F D-1 6 -B T-1 3 0 G IN K E C 1 6 2 1 0 2 F 2 B -H A 1 -0 0 2 R 2 2 3 2 1 0 0 +5 V _ K...
  • Page 47 PRE-OUT-1 C6901 +10.5V +10.5V R6901 1k 22u 16V C6903 FRONT L R6905 100p R6971 0 C6941 C6943 M6501-C C6945 C6947 0.1u U6501-C U6601-C 0.1u R6906 R6902 1k NJM5532M NJM5532M C6904 100p FRONT R C6942 C6944 C6902 C6946 C6948 0.1u 0.1u AGND AGND 22u 16V...
  • Page 48 PRE-OUT-2 F O R T1 7 5 : A LL N .I. R 6 5 5 1 R 6 5 2 8 R 6 5 2 9 R 6 5 3 3 R 6 5 2 3 U 6 5 0 2 -A C 6 5 1 8 C 6 5 2 1 4 7 0 1 /1 6 W...
  • Page 49 VOLUME-1 J6001A To Conn#1 J6001B DSP_FL U6018-B NJM5532M DSP_FR AGND DSP_SL C6019 DSP_SR C6001 R6101 22u 16V 100p C6085 0.01u AUDIO 6 L +5V_K DSP_SBL R6137 R6163 M6001-A R6165 33k R6138 C6002 DSP_SBR 100p R6102 R6164 AUDIO 6 R R6166 DSP_SUBW C6020 C6103...
  • Page 50 VOLUME-2 +10.5V -10.5V C6141 C6140 0.1u C6139 C6137 0.1u AGND AGND U6008 TPA6120A2 R6242 R6243 U6010-A 1 LVCC- RVCC- C6146 N.I. C6149 C6153 R6004 R6008 R6009 R6012 PO_Z2L C6266 C6258 R6100 Z2_L 2 LOUT 10u16V ROUT HP_R N.I.16V 1k 1/16W 470 1/16W 22u 16V 220 1/16W...
  • Page 51 CONNECTOR-2 J7001B J8201B to MAIN (J7001A) to PSU-ISC (J8201A) AC4.8V2 AC4.8V2 AC4.8V1 AC4.8V1 AC8.8V4 AC8.8V4 AC8.8V4 AC8.8V4 AC8.8V3 AC8.8V3 AC8.8V3 AC8.8V3 AC8.8V2 AC8.8V2 AC8.8V2 AC8.8V2 AC8.8V1 J8202B AC8.8V1 to PSU-ISC (J8202A) AC17.6V2 AC8.8V1 AC17.6V2 AC8.8V1 AGND AC17.6V2 AGND AC17.6V2 AC17.6V1 AGND AC17.6V1 AGND...
  • Page 52 CONNECTOR-4 J2009B J9002B To MCU J2009A To Conn#1 J9002A 4094(6)_STB 4094(5)_STB R9501 1/16W 4094(1)_DATA R9502 1/16W 4094(1)_CLK V6_OPT DAB_IN SPI0_SIMO_5V SPI0_SOMI_5V SPI0_CLK_5V SPI0_SCS_5V SPI0_ENA_5V INT_5V NC14 NC15 V6_V V6_Y V6_C DGND_V HP_L HP_R AGND IPOD- IPOD+ J2011B J9003B To MCU J2011A To Conn#1 J9003A XM_TXD XM_RXD...
  • Page 53 SPEAKER M9201-A FRONT LEFT SPK_A C9201 3300p M9201-B FRONT RIGHT SPK_A C9202 3300p FL_A FL_GND M9201-C CENTER SPK J5802B_2 J8106B_1 FR_A FR_GND J5403B_2 C9203 J8105B_1 3300p C_GND J5403B_3 J8105B_2 M9202-A SURR LEFT SPK SL_GND J5802B_3 J8106B_2 C9204 SR_GND J5403B_4 J8105B_3 3300p BSL_GND M9202-B...
  • Page 54 F-INPUT +5V_V6 M9301 R9301 4.7 FRONT C9301 0.1uF C9302 OPTICAL INPUT 2.2uF -12V_A +12V_A +5V_V6 +5V_V6 +5V_V6 MIC_BIAS: DGND_V M9302 C9320 H: MP3 22u 16V J-TR-ST03007 R9329 0 R9312 N.I. L: MIC C9318 R9334 R9330 Q9301 R9311 100p MIC/MP IN N.I.
  • Page 55 MAIN BOARD TO Conn#1 J7007B TO Conn#1 J7006B J7007A J7006A D7001 RS605 +5V_DSP 600V 6A U7001 C7019 C7018 C7029 C7028 7805 C7020 C7021 2200u 0.1u 4700u 0.1u 1000u 0.1u +5.3V DGND +8V_V U7007 D7005 LM317 D7002 RS605 +5V_V 600V 6A R7002 U7002 C7022...
  • Page 56 POWER SUPPLY(STAND BY) J8002A M8001 M8004 T8001 To CONN#2 J8002B JP8001 TO XFORMER R8003 TO XFORMER +13V TO5382B N.I. 0.22 1/2W POWER_ON (Fusible) +12.3V M8002-A D8002 D8003 1N4007 DGND 1N4007 JP8002 D8005 C8003 C8001 JUMPER TO POWER SWITCH D8001 R8001 C8002 1N4007 0.022u...
  • Page 57 TRIGGER +5.3V +5V_V D2308 N.I. FOR CE U2302 R2356 R2357 TPS2011A N.I. OUT8 D2308 CM1213-08MS OUT7 +5V_K OUT6 OUT5 C2329 +3.3V C2326 C2327 0.1u 0.1u +3.3V R2347 N.I. DGND DGND DGND DGND DAB_TXD M2307 R2329 N.I. FOR CE N.I. R2331 R2332 Q2316 +5V_OUT...
  • Page 58 COMPONENT VIDEO +5 V _ V C 4 0 1 1 U 4 0 0 2 7 4 H C 4 0 5 2 C 4 0 0 9 2 .2 u 5 0 V R 4 0 1 1 DV R IN Y 0 .1 u 1 Y0...
  • Page 59 VIDEO C 4 1 2 1 2 .2 u 5 0 V R 4 1 2 7 M 4 1 0 1 V IDE O 1 IN 1 /1 6 W V G N D C 4 1 2 2 2 .2 u 5 0 V R 4 1 2 8 C V _ G N D...
  • Page 60 HDMI-1 (BEFORE SN T79T765T02405) X 4 5 0 1 1 4 .3 1 8 1 8 M H z +1 .8 V D O S D_ V S C 4 5 7 3 C 4 5 7 2 X 4 5 0 4 2 2 p 2 2 p O S D_ H S...
  • Page 61 HDMI-1 (AFTER SN T79T765T02404) X4501 14.31818MHz +1.8VD OSD_VS +5VD C4573 X4504 C4572 14.31818MHz OSD_HS VDGND U4522 R4535 BA7660FS VDGND 5146_VMUTE C4680 C4681 0.1u MUTE C4677 +1.8VA +1.8VD +3.3VD PR_IN R4551 OUTA1 VDGND 2.2k VDGND VDGND R4552 1u 50V R4648 R4642 L4501 2.2k 470k...
  • Page 62 HDMI-2 (BEFORE SN T79T765T02405) J4 5 0 1 IN PU T 1 IN 1 _ DO + D0 + IN 1 _ DO - D0 - IN 1 _ D1 + D1 + IN 1 _ D1 - D1 - IN 1 _ D2 + D2 + IN 1 _ D2 -...
  • Page 63 HDMI-2 (AFTER SN T79T765T02404) J4501 INPUT 1 IN1_DO+ IN1_DO- IN1_D1+ IN1_D1- IN1_D2+ IN1_D2- C4664 C4663 C4662 IN1_CLK+ 0.01u 0.01u 0.01u CLK+ IN1_CLK- CLK- D4504 CLK_SHLD D-CM1213-08M D2_SHLD D1_SHLD +3.3VD D0_SHLD D4304 D-CM1213-08M DDC_CLK IN1_DDC_CLK +3.3VD +3.3VD R4640 R4641 DDC_DATA IN1_DDC_DATA 1.5K +5V_POWER C4665...
  • Page 64 POWER SUPPLY(ISC) J5803B To AMP-L J5803A ISC_THM_R DGND ISC_SEN_L J5810B To AMP-L J5810A ISC_THM_L DGND ISC_SEN_R ISC FOR LEFT AMP ISC FOR RIGHT AMP V+_L +12V R8245 +12V +12V R8201 C8209 C8201 C8205 R8207 D8209 100k 0.1u D8211 R8206 0.1u D8212 R8212 R8219...
  • Page 65 POWER SUPPLY(SECONDARY) J5804B TO LEFT AMP J5804A C8101 V+_L J8151A J8151B 12000u CHGND V-_L Jumper Wire AGND GROUND CONNECTION C8102 J8101A 12000u TO ISC J8101B FOR RIGHT AMP (FR/C/SR/SBR) V+_L V-_L J8105A V+_R To SPEAKER OUT (J8105B_1, J8105B_2, J8105B_3, J8105B_4) V-_R AGND J5402B...
  • Page 66 CONNECTOR-1 TO DSP TO DSP TO PRE-OUT J1101B J1102B J6501B to DSP (J1101A) to DSP (J1102A) To Pre-Out (J6501A) J7006B TO MAIN(J7006A) +5V_DSP TO VOLUME +5V_DSP DGND DGND +8V_V TO MAIN +8V_V +8V_V +8V_V +5V_V +5V_V DGND_V DGND_V J6001B to VOLUME (J6001A) DSP_FL DSP_FL J7007B...
  • Page 67 +5V_K +5V_K R2032 R2034 2.2k 2.2k 4094(1)_CLK_AMP 4094(1)_DATA_AMP J2005A J2006A J2008A J2002A J2001A 4094(1)_CLK DTA114EKA 4094(1)_DATA DTA114EKA To Front Input J2005B To Front Input J2006B TO FRONT INPUT J2008B To Keyboard J2002B To Right Amp J2001B +5V_K +5V_K Q2002 Q2004 +5V_K +39V AC4.8V1 AC4.8V2 +5V_K...

  • Page 68: Electrical Parts List

    ELECTRICAL PARTS LIST Reference Database Part No. DESCRIPTION POWER AMP MODULE PCB ASSEMBLY 50-940-0765-90 T765/T775 PWR AMP MODULE ***SEE PAGE 115 FOR SINGLE CHANNEL SERVICE KIT # 52-940-0765-90 RIGHT POWER AMP BOARD T765 Right Amp Board Assembly NSP PCB ASSEMBLY IC &...
  • Page 69 R5033 R5133 R5233 R5333 02-007-0088-00 RES SMD 2.2K OHM 0805 5% R5423 02-007-0126-00 RES SMD 820 OHM +/-5% 1/10W 0805 R5032 R5132 R5232 R5332 02-007-0166-00 RES SMD 330K OHM 0805 5% R5415 02-007-0172-00 RES SMD 13K OHM 5% 1/10W 0805 R5005 R5009 R5020 R5105 R5109 02-007-0177-00 RES SMD 1K OHM 0805 1%...
  • Page 70 D5406 D5409 04-007-0031-00 DIODE ZENER SMD 6.2V 500mW 5% SOD123 MMSZ5234B D5001 D5101 D5201 D5301 04-007-0035-90 DIODE ZENER SMD 15V 500mW 5% SOD123 MMSZ5245B SMD TRANSISTORS Q5001-5005 Q5011-5012 Q5019 Q5101-5105 05-004-0018-90 SMD Transistor MMBT5551LT1 NPNCAP Q5111-5112 Q5119 Q5201-5205 Q5211-5212 ELEC SMD SOT-23 Q5219 Q5301-5305 Q5311-5312 Q5319 Q5409 Q5008 Q5108 Q5208 Q5308 Q5408 Q5406 05-004-0019-90...
  • Page 71 SMD ICS U5501 01-012-0065-00 IC LOGIC 8-STAGE SHIFT-AND-STORE BUS REGISTER SMD SO16 HEF4094BT U5802 01-014-0043-00 SMD IC AS358MTR-E1 SOIC-8 OPERA TIONAL AMPLIFIER BCD RES SMDISTORS R5506 R5606 R5706 R5803 R5825 02-007-0026-00 SMD 47K OHM 5% 1/10W 0805 R5826 02-007-0028-00 RES SMD 4.7K OHM 5% 1/10W 0805 R5808 R5811 R5816 R5818 02-007-0033-00 RES SMD 1.2K OHM 5% 1/10W 0805...
  • Page 72 C5604 C5704 C5504 03-009-0144-00 CAP ELEC SMD 470uF 16V +/-20% 10X10.5 C5609 C5611 C5709 C5711 03-009-0145-00 CAP ELEC SMD 47uF 100V +/-20% C5509 C5511 C5810 10X10 C5816 03-009-0153-00 CAP ELEC SMD 1uF/50V ±20% B CASE 4 X 5.4 C5801 C5808 C5819 03-009-0211-00 CAP ELEC SMD 220uF/16V ±20% 6.3X7.7...
  • Page 73 DIODES D7004 D7006 04-001-0003-00 Diode 1N4007 DO-41 1A/1000V D7003 04-005-0020-90 DIODE BRI 4A/70V RS402L D7001-7002 04-005-0022-90 DIODE BRI 6A/600V RS605 RESISTORS R7001 02-001-0442-00 RES CF 33K OHM 5% 1/6W R7002 02-002-0129-00 RES MF 1K OHM 1% 1/6W R7003 02-002-0134-00 RES MF 3.3K OHM 1% 1/6W JUMPERS JMP7 JMP9 JMP11 JMP13-17 JMP19-21 17-016-0077-00...
  • Page 74 JUMPERS JMP1 JMP2 JMP4-5 17-016-0077-00 Jumper wire Dia. 0.5mm L=52.0mm JMP3 JP8001*C,CT JP8002*AH R8006 17-016-0080-90 Jumper Wire Dia. 0.5mm For L Smaller than 14mm VOLUME BOARD PCB ASSEMBLY 50-914-0765-90 T765/T775/T785 VOLUME ASSY U6009 01-025-0002-90 IC LC78211 ANALOG FUNCTION SWITCH 30 PIN DIP INDUCTORS L6010 L6011 07-002-0144-90...
  • Page 75 R6081-6082 R6068-6069 R6044 R6020 02-007-0294-00 RES SMD 470 OHM 5% 1/16W 0603 R6033 R6008-6009 R6045 R6021 R6032 R6087-6088 R6056-6057 R6254 R6256 R6200 R6198 R6236 R6237 02-007-0300-00 RES. SMD 200K OHM +/-5% 1/16W 0603 R6186 R6189 02-007-0306-00 RES SMD 1K OHM 1% 1/16W 0603 R6166 R6169-6170 02-007-0312-00 RES SMD 20K OHM 1/16W 1% 0603...
  • Page 76 SMD TRANSISTORS Q6005-6016 Q6021-6024 Q6026-6027 05-004-0017-00 SMD Transistor 2SC4695 NPN SOT-23 Q6101 05-004-0030-90 XTR 2SD1918 NPN POWER 160V/1.5A 80MHz HFE 120-390 SMD Q6102 05-004-0031-90 XTR 2SB1275 PNP POWER 160V/1.5A 50MHz HFE 82-180 SMD Q6025 05-004-0036-90 TRANSISTOR SS NPN HFE20 250MHz DTC123EKAT146 Q6017-6020 05-004-0037-90...
  • Page 77 U1017 01-020-0022-90 IC AUDIO STEREO ADC PCM1802 SOP20 U1021 01-020-0023-90 IC SUPPLY-VOLTAGE SUPERVISORY IC SOP6 TPS3103E12DBVR U1002 01-020-0024-90 IC 192KHz DIGITAL AUDIO INTERFACE RECEIVER 28PIN SOIC CS8416 -CS U1032 01-020-0030-90 IC XMDT IC BU9450KV VQFP48C U1001 01-027-0007-90 IC D707E001BRFP250 FLOATING- POINT DSP SMD 144 PINS RFP U1012-1016 01-027-0011-90...
  • Page 78 SMD CAPACITORS C1003 C1007 C1011 C1013 C1015 03-009-0075-00 CAP CER SMD 0.1uF 50V 20% Y5V 0603 C1017 C1019 C1023 C1025 C1026*C,CT C1028 C1030 C1032 C1035-1037 C1047 C1049 C1051 C1053 C1056 C1062 C1064 C1067-1068 C1070 C1077 C1079-1124 C1127-1131 C1134-1136 C1154-1155 C1159-1160 C1164-1165 C1169 C1171 C1243-1244 C1288 C1293 C1296 C1299 C1303-1305*AH C1311*AH C1313 C1315-1322*AH C1330*AH C1341 C1342 C1344...
  • Page 79 SMD DIODES D4001 D4002 04-006-0021-90 SMD DIODE LL4148 SOD80 SMD TRANSISTORS Q1016 05-001-0096-90 XTR PW PNP 5A/60V SC-63 2SA1952TLQ Q1020-1022 05-004-0017-00 SMD Transistor 2SC4695 NPN SOT-23 Q1017*C,CT Q1024 Q1030 Q1032-1033 05-004-0035-90 TRANSISTOR SS NPN HFE30 250MHz SPT DTC114EKAT146 Q1025 Q1031 Q1034-1035 05-004-0037-90 TRANSISTOR SS PNP HFE 30 250MHz SPT DTA114EKAT146...
  • Page 80 R4121 R4122 R4133 R4132 02-007-0146-00 RES SMD 47 OHM 0603 5% R4119 R4120 R4151 R4152 02-007-0151-00 RES SMD 10 OHM 0603 5% R4143-4144 R4146-4147 02-007-0157-00 RES SMD 10K OHM 0603 1% R4135 R4126 R4145 R4148 02-007-0267-00 RES SMD 100K OHM 5% 1/16W 0603 R4123 R4161 R4162 02-007-0288-00 RES SMD 0 OHM 5% 1/16W 0603...
  • Page 81 VD2201 12-005-0029-90 VFD 16-BT-130-GINK T775 D2201 12-006-0125-90 LED RED-ORN-BLU CIRCULAR 5X8.7MM BL-BUBJFB52C4V-1 COMMON ANODE SMD IC U2201 01-012-0065-00 IC LOGIC 8-STAGE SHIFT-AND-STORE BUS REGISTER SMD SO16 HEF4094BT RES SMDISTORS R2201 R2237-R2239 02-007-0042-00 RES SMD 1K OHM 0603 5% R2204 02-007-0136-00 RES SMD 33K OHM 0603 5% R2202 02-007-0139-00...
  • Page 82 SMD ICS U6901 01-012-0065-00 IC LOGIC 8-STAGE SHIFT-AND-STORE BUS REGISTER SMD SO16 HEF4094BT U6501 U6601 U6701 U6801 01-014-0041-00 IC AUDIO LOW NOISE OP-AMP SMD NJM5532M RES SMDISTORS R6901-6902 R6907-6908 R6913-6914 02-007-0042-00 RES SMD 1K OHM 0603 5% R6919-6920 R6971-6979 02-007-0089-00 RES SMD 0 OHM 1/8W 0805 5% R6924 R6917-6918 R6905-6906 02-007-0136-00...
  • Page 83 C6506 C6713 C6812-6813 C6605 C6505 03-009-0139-00 CAP ELEC SMD 0.1uF 50V +/-20% 4X5.4 C6513 C6612 C6705-6706 C6613 C6512 C6606 C6805-6806 C6712 C6941-6942 C6945-6946 C6949-6950 C6953-6954 C6528 C6507 C6604 C6607 C6504 C6611 03-009-0140-00 CAP ELEC SMD 22uF 16V +/-20% 5X5.4 C6614 C6511 C6618 C6621 C6625 C6628 C6704 C6707 C6514 C6711 C6714 C6718 C6721 C6518 C6725 C6728 C6521 C6804 C6807 C6811 C6814 C6525 C6818 C6821...
  • Page 84 TRANSISTORS Q8201 Q8203 Q8205 Q8208 Q8210 Q8212 05-001-0072-00 Transistor SS NPN HEF 100 200MHs TO-92 C1815Y Q8202 Q8204 Q8209 Q8211 05-001-0080-00 TRANSISTOR SS PNP HFE 100 200MHz TO-92 A1015Y Q8206-8207 Q8213-8214 05-001-0083-00 TRANSISTOR SS PNP HFE 280-560 110MHz 2SA1016KG-AA VARIABLE RESISTORS R8214 R8217 06-004-0017-90 VR SEMI-FIXED RESISTOR CF 50K...
  • Page 85 XM CONNECTOR M2307*AH 16-001-0440-90 XM 4 PINS SMALL CONNECTOR B TYPE 2.4mm PCB MOUNT DAB CONNECTOR M2306*C,CT 15-017-0003-90 DIN MINI JACK BLACK PCB MOUNT W/ COVER RIGHT ANGLE 9 PINS DB9 CONNECTOR M2305 16-002-0200-90 DB9 FEMALE CONNECTOR PCB MOUNT RIGHT ANGLE COILS L2301-L2303 07-002-0154-90...
  • Page 86 Q2301 Q2303 Q2305 Q2307-2308 Q2310 05-004-0035-90 TRANSISTOR SS NPN HFE30 250MHz Q2312 Q2314 Q2321 Q2316-2319*C,CT SPT DTC114EKAT146 Q2302 Q2304 Q2306 Q2320 05-004-0037-90 TRANSISTOR SS PNP HFE 30 250MHz SPT DTA114EKAT146 JUMPERS JMP3, JMP6, JMP14, JMP19-21, 17-016-0077-00 Jumper wire Dia. 0.5mm L=52.0mm JMP34,JMP41-42 JMP1-2, JMP4-5, JMP7-13, JMP15-18, 17-016-0080-90...
  • Page 87 C9310-9311 03-009-0112-00 CAP CER SMD 1nF 50V 10% X7R 0603 C9326 03-009-0113-00 CAP CER SMD 10nF 50V 10% X7R 0603 C9313 03-009-0114-00 CAP CER SMD 220pF 50V 10% X7R 0603 C9322 03-009-0116-00 CAP CER SMD 33pF 50V 10% X7R 0603 C9325 03-009-0127-00 CAP CER SMD 1uF 16V +80/-20% Y5V...
  • Page 88 JMP1-4, JMP7-11,JMP13-15, JMP19-27, 17-016-0080-90 Jumper Wire Dia. 0.5mm For L Smaller JMP30, JMP32-34, JMP37-38 than 14mm HMDI BOARD PCB ASSEMBLY 50-933-0765-92 T765 HDMI ASSY (FROM SN T79T765T02406) REGULATORS U4512,U4521 01-004-0048-00 IC VOLT REG 5V 1A TO-220 NJM7805FA DIDOES D4508 04-001-0003-00 Diode 1N4007 DO-41 1A/1000V INDUCTORS L4502-4503...
  • Page 89 R4621 02-007-0289-00 RES SMD 68 OHM +/-1% 1/16W 0603 R4551-4554 R4627-4628 02-007-0292-00 RES SMD 2.2K OHM 1% 1/16W 0603 R4635 02-007-0293-00 RES SMD 33 OHM 5% 1/16W 0603 R4564 R4634 02-007-0306-00 RES SMD 1K OHM 1% 1/16W 0603 R4592 02-007-0319-00 RES SMD 300 OHM 5% 1/16W 0603 R4629 02-007-0326-00...
  • Page 90 MCU BOARD PCB ASSEMBLY*AH 50-937-0765-90 T765 AH MCU ASSY PCB ASSEMBLY*C,CT 50-946-0765-90 T765 C/CT MCU ASSY SMD ICS U2008 01-004-0056-90 IC VOLT REG. LOW DROPOUT 3.3V 1A SOT-223 LM1117S-3.3 U2006 01-008-0007-90 IC MICROPOWER UP WATCH DOG TIMER 2.93V SOT-25 AME8530AEEVEFX29Z U2001 01-010-0025-90 IC M30280FCHP-U3 16-BIT MCU 128K...
  • Page 91 CONNECTOR #1 BOARD PCB ASSEMBLY 50-938-0775-90 T765/T775/T785 CONNECTION # 1 ASSY CONNECTOR #2 BOARD PCB ASSEMBLY 50-942-0765-90 T765 CONNECTION # 2 ASSY CONNECTOR #3 BOARD PCB ASSEMBLY 50-943-0765-90 T765/T775/T785 CONNECTION # 3 ASSY CONNECTOR #4 BOARD PCB ASSEMBLY 50-944-0765-90 T765 CONNECTION # 4 ASSY...

  • Page 92: Ic Block Diagram

    IC BLOCK DIAGRAM MAINBOARD LM1117 (U1020 in DSP, U2008 in MCU, U4505 in HDMI, U1034 in DSP) AME8530 U2006 M30280 (U2001)
  • Page 93 ATMEGA48-20 (U2007) AT24C16 (U2002)
  • Page 94 74HC00D (U2009) HEF4094BT (U2201, U4107 in Composite, U1007, U1008 in DSP, U6901 in Pre-Out, U5501 in AMP-L, U6003 in Volume) 74HC132 (U2005)
  • Page 95 D707E0001BRFP250 (U1001) SST39VF800 (U1004)
  • Page 96 K4S641632K (U1003) 74HC251D (U1005)
  • Page 97 74HCU04D (U1018, U1019) SN74LVC245 (U1010, U1022, U4518 in HDMI) TL5001CD (U1011)
  • Page 98 SN74HCT245 (U1009) 74HC157D (U1033) NJM5532M (U1023, U1027-1031, U9301 in F-input, U8201 in ISC, U6501, U6601, U6701, U6801 in Pre-Out, U6004-6007, U6018 in Volume)
  • Page 99 PCM1802 (U1017) TPS3103 (U1021)
  • Page 100 CS8416 (U1002) BU9450 (U1032)
  • Page 101 PCM1791A (U1012-1016)
  • Page 102 HDMI TVP5146PFP (U4507) SAA7128 (U4508)
  • Page 103 ATtiny261 (U4520) CM1213-8 (D4304, D4504-4506 in HDMI, D2308 in Trigger)
  • Page 104 PCA9517 (U4513) SN74AHCT244 (U4517)
  • Page 105 MC141585DW (U4514)
  • Page 106 TMDS341 (U4519)
  • Page 107 Power Amp – L AS358 (U5802, U5401 in AMP-R) LM35DT (U5803, U5402 in AMP-R)
  • Page 108 Composite / S-Video 74HC4051D (U4103-4106) BA7660FS (U4101-4102, U4001 in Component, U4501, U4511, U4522 in HDMI)
  • Page 109 Component 74HC4052D (U4002-4003) LC78211 (U6009)
  • Page 110 Volume TPA6120A2DWP (U6008)
  • Page 111 R2S15205FP (U6001-6002)
  • Page 112 Trigger 74HC86D (U2303) ST232BDR (U2301) TPS2011A (U2302)
  • Page 113 EXPLODED VIEW - A...

  • Page 114: Exploded View

    EXPLODED VIEW - B...

  • Page 115: Exploded View Parts List

    EXPLODED VIEW PARTS LIST ITEM PART NO. DESC. 08-002-0067-90 FAN DC 60x20mm 12V 0.18A 3800RPM DF126020SL 2 L=430mm w/ 2.5P CONNECTOR (RoHS) 08-002-0068-90 FAN DC 60x20mm 12V 0.18A 3800RPM DF126020SL 3 L=330mm w/ 2.5P CONNECTOR (RoHS) 10-005-0268-90 TRANSFORMER PW TOROIDAL 120V T765 AT4.531.0132 TA-700 (RoHS) [FOR 120V VERSION] 10-005-0269-90 TRANSFORMER PW TOROIDAL 230V T765...
  • Page 116 23-232-0010-92 BOTTOM CABINET T775 (RoHS) 23-236-0007-91 TOP COVER T775 (PAINTED PPG GREY) (RoHS) [FOR GRAPHITE VERSION] 23-236-0016-90 TOP COVER T775 (PAINTED NAD SILVER) (RoHS) [FOR TITANIUM VERSION] 23-237-0015-90 PANEL - SVIDEO T775 (RoHS) 23-237-0016-90 PANEL - VOLUME T775 (RoHS) 23-237-0017-90...
  • Page 117 23-237-0057-90 PANEL - COMPONENT VIDEO / iPOD T175/785 (RoHS) 24-031-0007-90 STATIC COVER T775 (PET)(RoHS) 25-005-0118-90 HEX SPACER AF5.5 H8+6 (RoHS) 25-005-0121-90 HEX SPACER AF5.5 F/F H29.4 (RoHS) 25-005-0122-90 HEX SPACER AF5.5 H19.8 (RoHS) 25-006-0043-90 PCB SUPPORTER “KSS” (H=9.6mm PCB HOLE 4mm) CS-0610 (RoHS) 25-006-0047-90 PCB CARD GUIDE CG-250(RoHS)
  • Page 118 25-024-0330-90 FAN RUBBER (RoHS) 25-020-0350-90 BANANA PLUG BLACK PT#10.B (RoHS) [FOR 230V VERSION] 25-020-0371-90 BANANA PLUG BRIGHT RED PT#10 (RoHS) [FOR 230V VERSION] 25-006-0053-90 PCB CARD GUIDE CG-38 (RoHS) 25-022-1601-90 SIDE SUPPORT BRACKET T765 BLACK (RoHS) 25-022-1603-90 CARD GUIDE BRACKET - TOP (RoHS)
  • Page 119 Enlarged in detail on next page...
  • Page 120 Components in the red boxes are included in the spare part kit part number 52-940-0765-90...
  • Page 121 T765 Power amplifier components (single channel) Part Number Description 02-005-0063-90 RES WW 0.22 OHM 5% 5W 02-007-0328-90 RES SMD 47 OHM 5% 1/2W 03-009-0137-90 CAP ELEC SMD 100uF 50V +/-20% 03-009-0141-90 CAP ELEC SMD 2.2uF 50V +/-20% 03-009-0144-90 CAP ELEC SMD 470uF 16V +/-20% 03-009-0145-90 CAP ELEC SMD 47uF 100V +/-20% 04-006-0021-90 SMD DIODE LL4148 SOD80 04-007-0035-90 DIODE ZENER SMD 15V 500mW 5% SOD123 MMSZ5245B...

  • Page 122: Packing Diagram

    24-004-2007-90 T765 OWNER’S MANUAL D/NL/S/R W/WEEE (RoHS) 24-004-2153-90 T765 QUICK START MANUAL A3 SIZE (RoHS) 24-004-1936-90 WARRANTY CARD (RoHS) 28-008-0004-90 REMOTE CONTROLLER NAD HTR-3 (RoHS) 24-006-0721-90 POLYFOAM TOP/BOTTOM T775 (RoHS) 24-003-0130-90 POLYBAG MAIN UNIT (RoHS) 24-003-0131-90 PROTECTIVE COVER (RoHS) 24-005-0890-90...
  • Page 123 NAD ELECTRONICS LTD TORONTO...

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