Page 1
COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE...
HTX-22HD EXPLODED VIEWS-1 AMPLIFIER SECTION x 2pcs x 3pcs A105 A106 x 15pcs x 3pcs E890 A132 L=150mm U08b A107 x 4pcs Q5001A A108 Refer to PC Board parts list x 4pcs x 2pcs x 2pcs E890 U11b A101 A132...
Page 3
HTX-22HD EXPLODED VIEWS-2 SPEAKER SECTION SP06 x 5pcs SP11 x 2pcs L=85mm SP09 x 2pcs Refer to "EXPLODED VIEWS-1" L=35mm SP10 L=95mm SP12 SP01 SP13 SP08 SP05 (With SP14) x 4pcs ---Rear--- SP15 SP14 (Badge)
Page 4
HTX-22HD EXPLODED VIEWS-3 FRONT SPEAKER (HTX-22HDST) - - - - - SP21 (L&R Speaker Ass’y) - - - - - [Left] [Right] SP22 (With SP23) SP22 (With SP23) I N A I N A l a c l a c...
Page 5
Model No. DHT-9HD/HTX-22HD/HTX-E5HD/GXW-2.1HD/SA-205HD BLOCK DIAGRAM ( PART-1 ) MIC_DET MIC_IN MIC_AMP HEADPHONES from HPIN PreOut PRE_OUT_BL/BR POWER AMPLIFIER MUTE_RELAYS SPEAKER TERMINALS +29dB TONE FRONT LEFT +29dB to PowerAMP FRONT RIGHT TONE FRONT LEFT FRONT RIGHT +29dB INVERTING SURR. LEFT SURR. LEFT SURR.
Page 6
Model No. DHT-9HD/HTX-22HD/HTX-E5HD/GXW-2.1HD/SA-205HD Schematic Diagram (Part-2) ASP Section NAAF-9566 TO NCAR-9567(PART-4/CPU) SN25052296 TO NCAR-9567(PART-4/CPU) P4102B 9110#13 P4101B 9110#13 VOLH R5578 P7901 SA-205HD Only HPDET HPDET HPMUT R5501 R5715 1/2W AMUT PREMUTE R5701 C5701 C5703 NJM4580 R5711 10/50 10/50 C5709 3.3k...
Page 13
Model No. DHT-9HD/HTX-22HD/HTX-E5HD/GXW-2.1HD/SA-205HD Schematic Diagram (Part-8) PowerSupply Section NAPS-9570 Q9101 NAPS-9595 FLAC2 R9101 2SC2235 220(1W) FLAC1 +5VDIS 103M/275VAC T901 C9003 MJJ 2.5A/125V MPB T1AL250V NCH-3581 F9001B F9001A RL9001 L9001 CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH FUSE OF SAME TYPE AND RATING INDICATED.
HTX-22HD PACKING PROCEDURE (Top/Bottom) (4 pcs) x 2 sheets 3.5m 3.5m White line Red line (For front speakers) <Dummy pad> 1.5m x 2 pcs (4 pcs) (For Subwoofer) Front side Front side...
Page 15
HTX-22HD IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -1 Q201 : D788E001BRFP266 (Audio DSP) -1/5 Device Block Diagram Program/Data JTAG EMU 256K Bytes McASP0 Data 16 Serializers Program/Data C67x+ CPU ROM Page1 256K Bytes Memory Data Controller Program/Data McASP1 ROM Page2...
HTX-22HD IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -3 Q201 : D788E001BRFP266 (Audio DSP) -3/5 TERMINAL DESCRIPTION (1/3) SIGNAL NAME TYPE PULL GPIO DESCRIPTION External Memory Interface (EMIF) Address and Control EM_A[0] EM_A[1] EM_A[2] EM_A[3] EM_A[4] EM_A[5] EMIF Address Bus EM_A[6]...
Page 18
HTX-22HD IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -4 Q201 : D788E001BRFP266 (Audio DSP) -4/5 TERMINAL DESCRIPTION (2/3) SIGNAL NAME TYPE PULL GPIO DESCRIPTION McASP0, McASP1, McASP2, and SPI1 Serial Ports AHCLKR0/AHCLKR1 McASP0 and McASP1 Receive Master Clock ACLKR0 McASP0 Receive Bit Clock...
Page 19
HTX-22HD IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -5 Q201 : D788E001BRFP266 (Audio DSP) -5/5 TERMINAL DESCRIPTION (3/3) SIGNAL NAME TYPE PULL GPIO DESCRIPTION External Memory Interface (EMIF) Data Bus EM_D[0] EM_D[1] EM_D[2] EM_D[3] EM_D[4] EM_D[5] EM_D[6] EM_D[7] EMIF Data Bus [Lower 16 Bits]...
Page 22
HTX-22HD IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -8 Q301 : CS42518 (8-ch CODEC with S/PDIF Receiver) -3/4 TERMINAL DESCRIPTION Name Pin No. Function AD0/CS Address Bit 0 (I2C)/Control Port Chip Select (SPI) (INput) - AD0 is a chip address pin in I2C mode; CS is the chip select signal in SPI mode.
Page 23
HTX-22HD IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -9 Q301 : CS42518 (8-ch CODEC with S/PDIF Receiver) -4/4 TERMINAL DESCRIPTION Name Pin No. Function CL_SDOUT CODEC Serial Data Output (Output) - Output for two's complement serial audio data the internal and external ADCs.
HTX-22HD IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -10 Q5501 : R2S15211FP (8 ch Electronic Volume and 11 Input Selector and Tone Control) -1/3 SYSTEM DIAGRAM Multi Multi Rch Tone Lch Tone CLOCK DATA MCU I/F Tone Bass & Volume Volume...
Page 25
HTX-22HD IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -11 Q5501 : R2S15211FP (8 ch Electronic Volume and 11 Input Selector and Tone Control) -2/3 BLOCK DIAGRAM 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25...
Page 26
HTX-22HD IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -12 Q5501 : R2S15211FP (8 ch Electronic Volume and 11 Input Selector and Tone Control) -3/3 TERMINAL DESCRIPTION PIN No. Name Function 19,17, FROUT, FLOUT, 14,12, 6-OUT, 5-OUT, Output pin of FL/FR/C/SW/SL/SR/SBL/SBR channel...
Page 27
HTX-22HD IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -13 Q8503 : M66005-0001AHP (FL Tube Driver) BLOCK DIAGRAM Display code RAM SEG00 CG ROM Bank 1 : 8bit x 16 (35bit x 160) Bank 2 : 8bit x 64 SEG26 Segment output...
HTX-22HD SERVICE PROCEDURE 1. Replacing the fuse This symbol located near the fuse indicates that the fuse used is show operating type, For continued protection against fire hazard, replace with same type fuse , For fuse rating, refer to the marking adjacent to the symbol.
3. Writing soft : "Update_DHT9HD_M_101.zip"(File name depends on the version.) Unzip "Update_DHT9HD_M_101.zip" in advance. * For a writing soft, contact Onkyo or your local distributor. <Connection> 1. While a target unit is off, connect RS-232 terminal of 0JFLASH to PC and insert FFC(9 contacts) of 0JFLASHEX to a connector slot on Rear Panel of the target unit.
Page 30
HTX-22HD FIRMWARE UPDATE -2 Main microprocessor (Continued) [Main Update Procedure] 1. Make sure that the unit is on. 2. Double-click "Update.exe" in the unzipped folder "Update_DHT9HD_M_101". The following window will appear. (Folder name depends on the version.) 3. Click "Main Update" button to start update. It takes about 3 minutes.
Page 31
2. Writing soft : "CD_DHT9HD0_08618A.wav" (File name depends on the version.) <NOTE>Store the wav file in a blank CD-R as a music CD in advance. * For a writing soft, contact Onkyo or your local distributor. 3. CD player with Optical or Coaxial output terminal : 1 pc <NOTE>Some CD players and a lot of DVD players process audio signal before output.
Page 32
1/66 PAGE HTX-22HD <Note> Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED.
Page 89
58/66 PAGE D9009 DIODE RL1N4003 22380260T PWB3 D9105 ZENER D MAZ8180-M 224751802R2 PWB3 D9105 or ZENER D UDZS18B 224551800R2 PWB3 D9112 DIODE RL1N4003 22380260T PWB3 D9113 ZENER D MAZ8180-M 224751802R2 PWB3 D9113 or ZENER D UDZS18B 224551800R2 PWB3 L5851 S COIL S-1.3C 231176S PWB3...
Page 90
59/66 PAGE T9002 P TRANS NPT-1520GQ 2301813A PWB3 C5851 C-CERA C CC725CH1H-102J1 342101024R1 PWB3 C5852 C-CERA C CC725CH1H-102J1 342101024R1 PWB3 C5853 C-CERA C CC725CH1H-102J1 342101024R1 PWB3 C5854 TF C ECQ-B50V-102J 374721024T PWB3 C5855 TF C ECQ-B50V-102J 374721024T PWB3 C5856 TF C ECQ-B50V-102J 374721024T PWB3...
Page 91
60/66 PAGE C8544 C-CERA C CK725F1E-104Z1 332161040R1 PWB3 C8545 ELECT C CE04W50V-10M 355781009T PWB3 C9001 IS C DE1007E472M-KY 3300063 PWB3 C9002 IS C DE1007E472M-KY 3300063 PWB3 C9003 IS C MKP R46 103M 3500202S PWB3 C9004 TF C ECQ-V50V-104J 374721044T PWB3 C9005 TF C ECQ-B50V-223J...
Page 92
61/66 PAGE R0051 C-CARBON R RN72K1J-000JE 435030004R1 PWB3 R0052 C-CARBON R RN72K1J-000JE 435030004R1 PWB3 R0053 C-CARBON R RN72K1J-000JE 435030004R1 PWB3 R0054 C-CARBON R RN72K1J-000JE 435030004R1 PWB3 R0055 C-CARBON R RN72K1J-000JE 435030004R1 PWB3 R0056 C-CARBON R RN72K1J-000JE 435030004R1 PWB3 R0057 C-CARBON R RN72K1J-000JE 435030004R1 PWB3...
Page 93
62/66 PAGE R9004 METAL O R RS1/2WBJ-68 443526804T PWB3 R9101 METAL O R RS1WBJ-220 443622214T PWB3 R9102 C-CARBON R RN72K1J-822JE 435038224R1 PWB3 R9103 C-CARBON R RN72K1J-822JE 435038224R1 PWB3 R9104 C-CARBON R RN72K1J-333JE 435033334R1 PWB3 R9105 METAL R RNU1/2WCJ-2.2 453530224T PWB3 R9106 METAL R RNU1/2WCJ-2.2...
Page 94
WS CLAMP CB-71683(L=50) 260261 PWB3 E8003 WS CLAMP CB-71683(L=50) 260261 PWB3 E8004 WS CLAMP CB-71683(L=50) 260261 PWB3 HTX-22HD PACKING PROCEDURE PARTS LIST REF. NO. PART NAME DESCRIPTION Q'TY PART NO. (SN) REMARKS CARTON BOX HTX-22(B)MPB 730-HTX22B-10 PACKING POLYFOAM (TOP) 720-DHT9BT-00...
Page 95
64/66 PAGE TAPE NITTO NO.29 W18 (Yellow) 29110149 PACKING POLYFOAM (TOP/BOTTOM) ITF5306840001 PACKING MIRAMAT BAG 320 x 220 x 0.5t (FRONT SPEAKER) IVA5080160020 PACKING PP TAPE 29110071 or PACKING 09 or PP TAPE W48 OPP TAPE 29110148 or PACKING 09 or PP TAPE NITTO 3703 SUPER W50L100 29110176...
Page 96
INS MANUAL En(HTX-22HD) 29344714 PACKING INS MANUAL DeFrIt(HTX-22HD) 29344717 PACKING INST SHEET WEEE 29355537 PACKING INST SHEET En(HTX-22HD RI-HD) 29355707 PACKING CORD AS HDMI 1.5M 2010449 PACKING 24 or CORD AS HDMI 1.5M (687670089) (1.3a) 2010473 Added PACKING POLY BAG 200 x 100 x 0.025t (For SP CABLE)
Need help?
Do you have a question about the HTX-22HD and is the answer not in the manual?
Questions and answers