Teac AG-D9260 Service Manual
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Teac AG-D9260 Service Manual

Av digital home theater receiver
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Effective : January, 2002
SERVICE MANUAL
A A G G - - D D 9 9 2 2 6 6 0 0
NOTES
●
PC boards shown are viewed from parts side.
●
The parts with no reference number or no parts number in the
exploded views are not supplied.
●
As regards the resistors and capacitors, refer to the circuit diagrams
contained in this manual.
●
£
Parts marked with this sign are safety critical components. They
must be replaced with identical components - refer to the appropriate
parts list and ensure exact replacement.
●
Parts of [ ] mark can be used only with the version designated.
[US]:U.S.A. [C]:CANADA [E]:EUROPE [UK]:U.K.
AV Digital Home Theater Receiver
S-0000A

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Summary of Contents for Teac AG-D9260

  • Page 1 SERVICE MANUAL A A G G - - D D 9 9 2 2 6 6 0 0 AV Digital Home Theater Receiver NOTES ● PC boards shown are viewed from parts side. ● The parts with no reference number or no parts number in the exploded views are not supplied.

  • Page 2: Table Of Contents

    CON TEN TS SPECIFICATIONS..........................3 SAFETY INSTRUCTIONS ........................4 M EASUREM ENTS AND ADJUSTM ENTS ..................5 FIP DISPLAY ............................8 DISPLAY PIN CONNECTION ......................9 IC BLOCK DIAGRAM S AND PIN FUNCTIONS ................10 EXPLODED VIEWS AND PARTS LIST .....................22 PC BOARDS AND PARTS LIST ......................24 INCLUDED ACCESSORIES .......................29...

  • Page 3: Specifications

    SPECIFICATION S Amplifier Section AM Tuner Section Surround Output Pow er (0.9 % THD, 1 kHz, 8 ohms): Tuning Range: 100 + 100 w atts (Front) 522 kHz – 1,620 kHz (10 kHz steps) 100 w atts (Center) 539 kHz – 1,720 kHz (10 kHz steps: [us/c] ) 100 + 100 w atts (Rear) Usable Sensitivity: 55 dB/m Delay Time:...

  • Page 4: Safety Instructions

    SAFETY INSTRUCTIONS PRECA U TION S D U RIN G SERV ICIN G The leakage-current should be less than 0.5m A rm s AC. The resistance m easurem ent should be done betw een 1. Parts identifide by the ( )symbol parts are critical accessible exposed m etal parts and pow er cord plug for safety.

  • Page 5: M Easurem Ents And Adjustm Ents

    M EA SU REM EN TS A N D A D JU STM EN TS ALIGNM ENT INSTRUCTIONS EQUIPM ENT NEEDED: AM Signal Generator FM Signal Generator Oscilloscope VTVM (AC, DC) Test loop antenna (AM Adjustm ent) Dum m y antenna (FM Adjustm ent) Distortion analyser IM PORTANT 1.
  • Page 6 1. TUNING FREQUENCY RANGE ADJUSTM ENTS (FM ) DC VOLTM ETER ....CONNECT TO TEST POINT J208 and GND Band Frequency Adjust for Adjustm ent 87.50M Hz 1.6V 530 kHz L105 J208 [US/C] [530 kHz] [1V] [L105] 2. AM TRACKING ADJUSTM ENT Signal Generator ......
  • Page 7 4. FM M ONO DISTORTION ADJUSTM ENT DC VOLT M ETER ......Connect to J205 (-), J207 (+) through the chock coil (100uH). Signal Generator ......Connect to FM ANT Jack (FM IN) through the dum m y. Distortion M eter ......Connect to the output. Frequency Adjust for Adjustm ent...

  • Page 8: Fip Display

    FIP D ISPLAY A N OD E CON N ECTION 1 0 G SOURCE VCR 1 CHURCH DISCO STADIUM HALL THEATER AC-3 DELAY.T STEREO PRESET CH. MEMO TAPE DIGITAL M Hz PRO LOGIC TUNED STEREO...

  • Page 9: Display Pin Connection

    PIN CON N ECTION Pin No. Connection P16 P15 Pin No. Connection Pin No. Connection 10G NP Pin No. Connection...

  • Page 10: Ic Block Diagram S And Pin Functions

    IC PIN FUNCTION (u-COM : ANAM 1308AT,O.T.P :TM P87PM 78F) : IC71 PIN No. SYM BOL I/ O DESCRIPTION 1,25 Pow er Supply Port(+5V) Function SW1,SW2 Function Encoder Control Port Speaker ON/OFF Front Speaker Relay Drive Port(“ H” ) Not Use(No connection) DSP Reset Reset (Initial Clear) Port for YSS912 Surr.
  • Page 12 Dolby Digital/Pro Logic DTS DECODER (YSS912C:INPUT IC43) PIN No. SYM BOL I/ O DESCRIPTION 1,31,71 VDD1 +5V Pow er Supply(for I/Os) RAM CEN External SRAM interface /CE RAM A16 External SRAM interface address 16 RAM A15 External SRAM interface address 15 SDIB0 PCM input 0 to Sub DSP(not use) SDIB1...
  • Page 13 PIN No. SYM BOL I/ O DESCRIPTION RAM A2 External SRAM interface address 2 72 ~ 79 RAM D0~7 I+/O External SRAM interface data (STREAM0~7 output when External SRAM is not in use) SDWCK0 Word clock input for SDIA, SDOA, SDIB, SDOB SDBCK0 Bit clock input for SDIA,SDOA,SDIB,SDOB SDIA0...
  • Page 14 YSS912C BLOCK DIAGRAM SDOB Interface /CSB 24 * 16 OVFB Sub DSP RAMA 0~16 RAMOEN RAMWEN RAMCEN SDIB Interface RAMA 0~7 SDIBSEL SDIB3 SDIB2 SDIB1 SDIB0 SDOA2 SDOA1 SDOA0 SDOA Interface 24 * 16 Main DSP OPORT 0~7 AC-3/Pro Logic/DTS decoder Input Buffer IPORT 0~7...
  • Page 15 M 62446FP (ELECTRONIC VOLUM E/ INPUT IC31) OUT4 DVoo OUT3 OUTPUT volume PORT MCU I/F OUT2 DATA OUT1 LATCH AVoo DGND volume SWin AGND GNDS SWout volume SRin SRout SLin SLout GNDC Cout volume Rout GNDR Lout volume AVss GNDL BYPASSR volume BYPASSL...
  • Page 16 PIN ASSIGNM ENT (74HCU04AFN : IC40 ) LOGIC SYM BOL (10) (11) (13) (12) TRUTH TABLE...
  • Page 17 AK4112AVF (DIR/ INPUT IC41) AVSS AVDD MCKO1 MCKO2 Clock Clock X’tal Recovery Generator Oscillator Input Selector 96kHz FS96 Detect DAUX LRCK BICK Audio V/TX DAIF SDTO Decoder DVDD DVSS TVDD System CCLK CDTO Control AC-3/MPEG Error CDTI Detect Detect AUTO P/S="L"...
  • Page 18 LC72131 (PLL SYNTHESIZER/ TUNER IC11) REFERENCE PHASE DETECTOR DIVIDER CHARGE PUMP XOUT SAMLLOM COUNTER UNLOCK FMIN 1/16, 1/17 4bits AOUT DETECTOR 12bits PROGRAMMABLE AMIN DIVIDER UNIVERSAL DATA SHIFT REGISTER IFIN COUNTER LATCH POWER RESET BO1 BO2 BO3 BO4 LA1837 (M PX + IF / TUNER IC12) 3 rd 5 th DECODER ANTI-BIRDIE...
  • Page 19 KIC9164AF (FUNCTION/ INPUT IC20) BLOCK DIAGRAM L-COM R-COM L-COM R-COM L-COM R-COM L-COM R-COM DATA SHIFT REGISTER KIC9163AF (FUNCTION/ INPUT IC21) BLOCK DIAGRAM L-COM R-COM L-COM R-COM L-COM R-COM L-COM R-COM DATA SHIFT REGISTER...
  • Page 20 BLOCK DIAGAM (NJM 2296M /M AIN IC96) SW 2 SW 1 SW 5 Vin1 Vin2 Vout1 6.2dB dirver Vin3 6.2dB Vout2 dirver Vin4 6.2dB Vout3 dirver Vin5 SW 3 SW 4 LA6462M / 6458M PIN CONFIGURATION • PIN FUNCITON 1. A OUTPUT 2.
  • Page 21 TRANSISTOR, REGULATOR IC BLOCK DIAGRAM TO-92S TO-92 TO-220 TO-92L 1. Emitter 1. Emitter 1. Emitter 1. INPUT 2. Collector 2. Collector 2. Collector 2. OUTPUT 3. Base 3. Base 3. Base 3. GND 1 2 3 1 23 12 3 KSA1175Y KRC114M KTD1302T...

  • Page 22: Exploded Views And Parts List

    EXPLODED VIEW (AG-D9260) DESCRIPION PARTS-No. Q,ty FRONT PANEL CGW2A287YH10 BADGE KGB1A056H12 STANDBY KNOB KBT2A450 MODE KNOB CBT1A723 TONE KNOB CBT1A724 PHONES PCB ASS'Y PCB BRACKET KMK1A010 FRONT PCB ASS'Y JACK PCB ASS'Y VOLUME PCB ASS'Y LED SHEET KGX1A293Z POWER KNOB...
  • Page 23 EXPLODED VIEW REF.NO. PARTS NO. DESCRIPTION REF.NO. PARTS NO. DESCRIPTION 1            9A08904800 PANEL,FRONT [US,C,UK(B)]   38            9A08885700 RUBBER                     9A08904810 PANEL,FRONT [E]            39            9A08904200 KNOB,FUNCTION [Except UK(N)] 9A08959600 PANEL,FRONT [UK(N)]       9A08958500 KNOB,FUNCTION [UK(N)]     2            9A07047400 BADGE [Except UK(N)]       40            ‑‑‑‑‑‑‑‑‑‑ SPEAKER JACK PCB ASSY 9A08887100 BADGE [UK(N)]             41            9A08957700 BRACKET,POWER [UK]         42            ‑‑‑‑‑‑‑‑‑‑ POWER PUSH PCB ASSY        3            9A06777500 KNOB,POWER [Except UK(N)]  9A08959500 KNOB,STANDBY [UK(N)]     ...
  • Page 27 INPUT PCB ASSY FRONT PCB ASSY REF.NO. PARTS NO. DESCRIPTION REF.NO. PARTS NO. DESCRIPTION 9A08939500 INPUT PCB ASSY [US,C]      9A08905000 FRONT PCB ASSY [US,C]      9A08939510 INPUT PCB ASSY [E,UK]      9A08905010 FRONT PCB ASSY [E,UK]      9A08953300 INPUT PCB                  9A08905200 FRONT PCB                  9A08215300 PACK,FRONT END [US,C]      BK71,BK72     9A08888700 BRACKET,FLT                9A08957300 PACK,TUNER [E,UK]          CH94,CH95     9A08889400 CONNECTOR,HOUSING          ANT1          9A07371900 TERMINAL,ANT [US,C]        CN10          9A08889500 WAFER,CARDCABLE            ANT1         ...
  • Page 28 MAIN PCB ASSY MAIN PCB ASSY REF.NO. PARTS NO. DESCRIPTION REF.NO. PARTS NO. DESCRIPTION 9A08939400 MAIN PCB ASSY [US,C]       Q511‑Q520     9A08951200 TR,KTA1268GRT              9A08939410 MAIN PCB ASSY [E]          Q541‑Q545     9A08951200 TR,KTA1268GRT              9A08939420 MAIN PCB ASSY [UK]         Q556‑Q565     9A08951300 TR,KTC3200GRT              9A08950900 MAIN PCB                   Q581‑Q585     9A08951200 TR,KTA1268GRT              9A08952200 HEAT SINK                  Q611‑Q615     9A08952400 TR,KTD600K                 9A08745400 BRACKET,PCB(H/T)           Q621‑Q625     9A08946200 TR,2SA1360O               ...

  • Page 29: Included Accessories

    INCLUDED ACCESSORIES REF.NO. PARTS NO. DESCRIPTION REMARKS 9A08584400 OWNER'S MNL,E/F [US,C]     9A08523500 OWNER'S MNL,E/F/G/I/S [E,UK(B)] 9A08688800 OWNER'S MNL,E/F [UK(N)]   9A08763300 REMOTE CONTROL UNIT,UR‑417 9A08886100 AM LOOP ANTENNA ASSY [US,C] 9A08880900 AM LOOP ANTENNA ASSY [E,UK] 9A08886000 ANT,FM T [US,C]            9A04883100 ANT,FM WIRE [UK]          ...
  • Page 30 AG-D9260 SCHEMATIC DIAGRAM NOTES: 1. Resistor values are in ohms (k=kilo-ohms, M=megohms). 2. Capacitor values are in microfarads (p=picofarads). 3. £Parts marked with this sign are safety critical components. They must always be replaced with identical components-refer to the appropriate parts list and ensure exact replacement.
  • Page 31 AG-D9260 SCHEMATIC DIAGRAM NOTES: 1. Resistor values are in ohms (k=kilo-ohms, M=megohms). 2. Capacitor values are in microfarads (p=picofarads). 3. £Parts marked with this sign are safety critical components. They must always be replaced with identical components-refer to the appropriate parts list and ensure exact replacement.
  • Page 32 AG-D9260 SCHEMATIC DIAGRAM A A G G - - D D 9 9 2 2 6 6 0 0 NOTES: INSTRUCTIONS FOR SERVICE PERSONNEL 1. Resistor values are in ohms (k=kilo-ohms, M=megohms). BEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE- 2.

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