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Onkyo T-405TX Service Manual

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Download this manual See also: Service Manual, Instruction Manual
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3 7 63 1515 0
TE
L 13942296513
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.
http://www.xiaoyu163.com
SERVICE MANUAL
R
STEREO TUNER
MODEL T-405TX
FM STEREO TUNER
STANDBY/ ON
ACCUCLOCK
Silver models
SUPT
SUDT
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBER APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
PRESET
TIMER
MEMORY
FM MODE
CLEAR
TUNING
DISPLAY
CHARACTER
T-405TX
230V AC,50Hz
120V AC,60Hz
Q Q
3
6 7
1 3
1 5
ON THE
co
.
9 4
2 8
Ref. No .
052001
0 5
8
2 9
9 4
2 8
m
T-405TX
9 9
3680
9 9

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Summary of Contents for Onkyo T-405TX

  • 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 NUMBER APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE CURRENT OR RESISTANCE...

  • Page 2: Specifications

    T-405TX 3 7 63 1515 0 SPECIFICATIONS T uning Range: T uning Range : 87.90 - 107.90 MHz, 200 kHz steps 530 - 1,710 kHz, 10 kHz steps (U.S. & Canadian models) Usable Sensitivity : 30 µV 87.50 - 108.00 MHz, 50 kHz steps...

  • Page 3: Block Diagram

    T-405TX 3 7 6 3 1 5 1 5 0 BLOCK DIAGRAM L103 L101.L102 L.P.F Right FM IF Q105 TRANSFORMER MUTE SWITCH MIXER RF AMP ANTENNA Q103 TUNED Q107 TANK Q101.Q102 FM IF SYSTEM/MPX AND AM RADIO SYSTEM CIRCUIT...

  • Page 4: Exploded View

    T-405TX 3 7 63 1515 0 EXPLODED VIEW P901 T901 F901 L 13942296513 REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION NARF-6130-4C,Main circuit PC board ass'y <P> Chassis 1A907530-4C 27100337 NARF-6130-4D,Main circuit PC board ass'y <D> Front bracket 1A907530-4D 27111039B NADIS-6131-4C,Display PC board ass'y <P>...
  • Page 5 T-405TX 3 7 63 1515 0 SCHEMATIC DIAGRAM N A R F - 6 1 3 0 U J J T Y P E O T H E R T Y P E R 1 0 1 3 3 K 3 .
  • Page 6 T-405TX 3 7 6 3 1 5 1 5 0 SCHEMATIC DIAGRAM N A R F - 6 1 3 0 U J J T Y P E O T H E R T Y P E R 1 0 1 3 3 K 3 .
  • Page 7 T-405TX PRINTED CIRCUIT BOARD-PARTS LIST 3 7 63 1515 0 CIRCUIT NO. PART NO. DESCRIPTION MAIN CIUCUIT PC BOARD(NARF-6130-4C/4D) CIRCUIT NO. PART NO. DESCRIPTION Resistors R902,R903 453530104 Front end TU001 240102 FE417-G02 R904 453530474 R905 443524704 Q103 22241151 LA1837...
  • Page 8 T-405TX 3 7 63 1515 0 CONTROL POSITIONS AND NAME PRESET button FM MODE button MEMORY button TIMER button STANDBY/ON button FM STEREO TUNER PRESET TIMER MEMORY FM MODE CLEAR STANDBY/ ON TUNING DISPLAY CHARACTER ACCUCLOCK ACCUCLOCK T-405TX L 13942296513...
  • Page 9 T-405TX 3 7 63 1515 0 ADJUSTMENT PROCEDURES Preparation Input FM mono: 1kHz,75kHz FM stereo: 1kHz,67.5kHz Pilot signal: 19kHz,7.5kHz devi. 2. FM Adjustment Stereo modu- Connection Adjustment FM SG Output Adjust Tuning Item Step Remarks lator output of instrument...
  • Page 10 3 7 63 1515 0 Using the timer The T-405TX features a Timer function that enables you to start playing or recording a specified component at a specified time.To use this function ,you need to configure a system that includes an ONKYO amplifier A-905TX connected to the T-405TX and other components via REMOTE CONTROL jacks.
  • Page 11 T-405TX 3 7 6 3 1 5 1 5 0 MICROPROCESSOR 1.8K CONNECTION DIAGRAM 4.7K 4.19MHz Q701 4.7K LM7001 PLL SYNTHESIZER TP701 CONTROLLER INITIALIZING DATA Q755 RDSDATA BU1922 RDSSIG STEREO RDSSCL OR BU1923 POFF AYSS SYSIN RESET SYSOUT 220K...
  • Page 12 T-405TX 3 7 6 3 1 5 1 5 0 MICROPROCESSOR TERMINAL DISCRIPTIONS Pin No. Function Description Pin No. Function Description RDSDATA Data input pin from RDS decoder RDSSIG Signal input pin from RDS decoder RDSSCK Clock input pin from RDS decoder...
  • Page 13 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 15 T-405TX 3 7 63 1515 0 PACKING VIEW L 13942296513 REF.NO. PART NO. DESCRIPTION Pad A 29091888 Pad B 29091889 0.515*650*550,Sheet 29095835 PP tape 29110071 Staple 282301 D240*W250,Polybag 29100180 Carton 29053738 Label EAN 29362841 Audio connection cable 2010376 Remote control cable...
  • Page 16 Tel: 072-831-8111 Fax: 072-833-5222 ONKYO EUROPE ELECTRONICS GmbH u163 Industriestrasse 20, 82110 Germering, GERMANY Tel: 089-849-320 Fax: 089-849-3265 E-mail: info@onkyo.de ONKYO CHINA LIMITED Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung, HOMEPAGE N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039...