Sony TA-DK2 Service Manual
Sony TA-DK2 Service Manual

Sony TA-DK2 Service Manual

Integrated stereo amplifier
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SERVICE MANUAL
Ver. 1.0 2006. 12
Amplifier section
Models of area code MY, SP
Stereo Power Output
1)
6 ohms 1 kHz, THD 1 %
70 W + 70 W
Reference Power Output
1) 2)
6 ohms 1 kHz, THD 10 %
110 W/ch
1) Measured under the following conditions:
Area code
Power requirements
MY, SP
230 V AC, 50 Hz
2) Reference power output for front speakers.
Depending on the source, there may be no
sound output.
Frequency response
Analog
20 Hz – 50 kHz
+0.5/–2 dB (with tone
bypassed)
Inputs
Analog
Sensitivity: 800 mV/
50 kohms
S/N
3)
: 96 dB
(A, 800 mV
Outputs (Analog)
SUB WOOFER
Voltage: 2 V/1 kohm
Tone
Gain levels
±6 dB, stepless
3) INPUT SHORT (with tone bypassed).
4) Weighted network, input level.
Sony Corporation
9-887-496-01
2006L04-1
Home Audio Division
© 2006. 12
Published by Sony Techno Create Corporation
SPECIFICATIONS
4)
)
TA-DK2
General
Power requirements
Area code
Power requirements
MY, SP
230 – 240 V AC, 50/60 Hz
Power consumption
165 W
Power consumption (during standby mode)
0.2 W
Dimensions (w/h/d) (Approx.)
430 × 145 × 296 mm
including projecting parts
and controls
Mass (Approx.)
6.7 kg
Supplied accessories
Remote commander RM-AAU011 (1)
R6 (size-AA) batteries (2)
Design and specifications are subject to change
without notice.
• Abbreviation
MY : Malaysia model
SP
: Singapore model
INTEGRATED STEREO AMPLIFIER
E Model
1

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Summary of Contents for Sony TA-DK2

  • Page 1 Voltage: 2 V/1 kohm : Singapore model Tone Gain levels ±6 dB, stepless 3) INPUT SHORT (with tone bypassed). 4) Weighted network, input level. INTEGRATED STEREO AMPLIFIER Sony Corporation 9-887-496-01 2006L04-1 Home Audio Division © 2006. 12 Published by Sony Techno Create Corporation...
  • Page 2: Table Of Contents

    COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
  • Page 3: General

    TA-DK2 SECTION 1 GENERAL This section is extracted from instruction manual. Getting Started Description and location of parts Front panel HIGH HIGH HIGH CONTROL D.B.F.B. MASTER VOLUME DISPLAY KARAOKE ON/OFF VOCAL SELECT MUTING MUSIC VOLUME ECHO LEVEL INPUT SELECTOR MIC 1 VOL...
  • Page 4 TA-DK2 Name Function N SPEAKERS Press to select OFF, A, B, (OFF/A/B/A+B) A+B of the front speakers (page 17). O BALANCE L/R Press to adjust the front speakers balance level. P ECHO REPEAT Press to adjust the +/– microphone’s echo repeat times (page 27).
  • Page 5 TA-DK2 About the indicators on the display SP A SP B SLEEP Name Function A Playback Indicate that audio signal is channel output from the front left indicators speaker, front right speaker and sub woofer. Sub Woofer Front Left Front Right...
  • Page 6 TA-DK2 Rear panel MIC OUTPUT AUDIO AUDIO IN AUDIO IN AUDIO IN AUDIO IN FRONT A FRONT B SA-CD/CD VIDEO 2 VIDEO 1 WOOFER SPEAKERS A AUDIO INPUT section AUDIO IN Connects to a White (L) jack Super Audio CD or CD player, etc.
  • Page 7 Press to turn on or off the You can use the supplied remote RM-AAU011 (on/standby) Sony audio/video to operate the amplifier and to control the Sony components that the remote is audio/video components that the remote is assigned to operate (page 29).
  • Page 8 TA-DK2 Name Function Name Function G D.SKIP N MENU Press to skip disc of the CD Press to display the menus of player or DVD player (multi- the VCR, DVD player, or disc changer only). satellite tuner on the TV screen.
  • Page 9 TA-DK2 Name Function T Numeric Press to buttons – select track numbers of the (number 5 CD player or DVD player. Press 0/10 to select track number 10. – select channel numbers of the VCR or satellite tuner. Press the numeric buttons and TV (M) at the same time to select the TV channels.
  • Page 10: Disassembly

    TA-DK2 SECTION 2 DISASSEMBLY Note : This set can be disassemble according to the following sequence. 2-1. CASE (Page 10) 2-2. FRONT PANEL SECTION 2-3. BACK PANEL SECTION (Page 11) (Page 11) 2-6. STANDBY BOARD 2-4. DIGITAL BOARD (Page 13) (Page 12) 2-5.
  • Page 11: Front Panel Section

    TA-DK2 2-2. FRONT PANEL SECTION 1 clip 5 front panel section 2 CNP200 (10P) 3 flexible flat cable (25 core) (CNS555) 4 five screws (+BVTP 3 × 8) 2-3. BACK PANEL SECTION 2 three screws (+BVTP 3 × 8) 3 four screws 7 back panel section (+BVTP 3 ×...
  • Page 12: Digital Board

    TA-DK2 2-4. DIGITAL BOARD 3 DIGITAL board 2 CNP505 (8P) 1 CNP503 (7P) CNP501 CNP502 2-5. MAIN BOARD 2 CNP902 (5P) 4 screw (+BV3 (3-CR)) 3 CNP901 (3P) 5 two screws (+BV3 (3-CR)) 6 two screws (+BV3 (3-CR)) 7 MAIN board...
  • Page 13: Standby Board

    TA-DK2 2-6. STANDBY BOARD 5 three screws (+BV3 (3-CR)) 3 CNP904 (2P) 4 CNP903 (3P) 1 CNP916 (5P) 6 STANDBY board 2 CNP801 (5P)
  • Page 14: Test Mode

    TA-DK2 SECTION 3 TEST MODE VACUUM FLUORESCENT DISPLAY TEST MODE * All fluorescent segments are tested. When this test is activated, all segments light on at the same time, then each segment lights on one after another. * Procedure: While depressing the [VOCAL SELECT] and the [BALANCE R]...
  • Page 15: Diagrams

    TA-DK2 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM — AUDIO SECTION — VIDEO 2 VIDEO 1 SA-CD/CD +3.3V +3.3V REG AUDIO IN AUDIO IN AUDIO IN AUDIO IN Q471 FUNCTION SELECT J401 J402 IC400 DVDD AVCC L-IN KARAOKE SECTION R-CH R-IN...
  • Page 16: Block Diagram - Karaoke Section

    TA-DK2 4-2. BLOCK DIAGRAM — KARAOKE SECTION — ECHO LEVEL CONTROL IC2010 REPEAT ECHO REPEAT ECHO LEVEL LEVEL LPF1 IN LPF1 OUT CONTROL CONTROL Q2002 Q2003 CLOCK XOUT DATA DATA X2101 2MHz MIC AMP TONE CONTROL RV2109 MIX AMP IC2003...
  • Page 17: Block Diagram - Display Section

    TA-DK2 4-3. BLOCK DIAGRAM — DISPLAY SECTION — FL DISPLAY/LED DRIVER SYSTEM IC100 CONTROL IC1101 (3/4) BUFFER IC101 FL101 VACUUM FL LAT 9 STB FLUORESCENT DISPLAY FL DATA 7 DIN FL CLK X1101 24MHz EEPROM D101-104 IC1131 REMOTE SIRCS CONTROL...
  • Page 18: Block Diagram - Power Section

    TA-DK2 4-4. BLOCK DIAGRAM — POWER SECTION — PRE DRIVER IC501 TM604 +VOUT2 IN 2 DRIVE –VOUT2 L–CH DRIVE POWER AMP Q501–504 RY501 R–CH R–CH RELAY CURRENT FRONT B R–CH DRIVER DETECT –B Q508 Q505,506 R–CH SPEAKERS R–CH TM601 IMPEDANCE USE 6–16Ω...
  • Page 19 TA-DK2 • Circuit Boards Location • Waveforms — DIGITAL Board (2/2) — — MIC TONE Board — STANDBY board IC1101 id (X1) IC2010 3 (XOUT) 2.2 Vp-p 5.6 Vp-p 24 MHz 2 MHz MIC TONE board 1 V/DIV, 50 nsec/DIV 2 V/DIV, 0.5 µ...
  • Page 20: Printed Wiring Board - Main Section

    TA-DK2 4-5. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 19 for Circuit Boards Location. : Uses unleaded solder. J403 SPEAKERS J402 J401 TM601 TM604 SA-CD/CD VIDEO 2 VIDEO 1 WOOFER IMPEDANCE USE 6-16Ω FRONT A FRONT B...
  • Page 21: Schematic Diagram - Main Section (1/2)

    TA-DK2 4-6. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 33 for IC Block Diagram. C421 C422 C424 IC B/D C434 J401 R401 R451 C433 C423 R402 IC400 R452 C425 C435 R416 C446 J402 R403 C436 C426...
  • Page 22: Schematic Diagram - Main Section (2/2)

    TA-DK2 4-7. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 33 for IC Block Diagram. IC B/D C511 R508 R511 C513 R505 R506 IC501 Q505 Q503 Q501 R510 R512 RY501 R514 D501 R513 RR11 CC11 C508 Q502...
  • Page 23: Printed Wiring Board - Digital Section (1/2)

    TA-DK2 4-8. PRINTED WIRING BOARD — DIGITAL SECTION (1/2) — • Refer to page 19 for Circuit Boards Location. : Uses unleaded solder. Q1548 R1544 R1547 R1545 R1511 R1515 R1301 R1420 IC1104 R1302 R1417 C1413 R1503 IC1103 C1507 R1426 R1421...
  • Page 24: Printed Wiring Board - Digital Section (2/2)

    TA-DK2 4-9. PRINTED WIRING BOARD — DIGITAL SECTION (2/2) — • Refer to page 19 for Circuit Boards Location. : Uses unleaded solder. (Page 29) (Page 20) MAIN BOARD DISPLAY BOARD CN503 CN200 CNP503 CNP200 C1914 CNP503 CNP200 C1913 CNP505...
  • Page 25: Schematic Diagram - Digital Section (1/2)

    TA-DK2 4-10. SCHEMATIC DIAGRAM — DIGITAL SECTION (1/2) — IC1902 C1503 R1501 J1501 IC1104 IC1106 C1507 C1514 C1914 R1427 R1426 R1429 C1913 R1508 C1005 R1421 C1418 C1415 R1505 R1511 R1503 C1419 R1422 R1424 C1505 R1504 R1423 IC1103 R1417 C1506 C1504...
  • Page 26: Schematic Diagram - Digital Section (2/2)

    TA-DK2 4-11. SCHEMATIC DIAGRAM — DIGITAL SECTION (2/2) — • Refer to page 19 for Waveform and page 35 for IC Pin Description. CNP503 D1112 D1111 (Page 22) D1110 CNS555 CNP505 C1022 C1021 D1001 IC1031 IC1904 (Page 22) FB1101 R1182...
  • Page 27: Printed Wiring Boards - Mic Section

    TA-DK2 4-12. PRINTED WIRING BOARDS — MIC SECTION — • Refer to page 19 for Circuit Boards Location. : Uses unleaded solder. • Semiconductor Location Ref. No. Location D102 C2027 D103 D104 D2100 IC2000 R2004 IC2001 IC2003 IC2004 IC2010 Q2002...
  • Page 28: Schematic Diagram - Mic Section

    TA-DK2 4-13. SCHEMATIC DIAGRAM — MIC SECTION — • Refer to page 19 for Waveform and page 34 for IC Block Diagrams. Q2002 Q2003 C2047 R2049 R2044 C2036 R2006 JR2114 R2080 R2079 C2045 C2046 C2048 C2039 C2044 R2041 R2043 D102...
  • Page 29: Printed Wiring Boards - Display Section

    TA-DK2 4-14. PRINTED WIRING BOARDS — DISPLAY SECTION — • Refer to page 19 for Circuit Boards Location. : Uses unleaded solder. DIGITAL BOARD CNP200 (Page 24) (Page 27) MIC TONE BOARD CNP102 (Page 27) MIC TONE BOARD CNP101 • Semiconductor...
  • Page 30: Schematic Diagram - Display Section

    TA-DK2 4-15. SCHEMATIC DIAGRAM — DISPLAY SECTION — • Refer to page 34 for IC Block Diagram. C109 C108 R175 R161 R199 C101 R198 D101 CN101 FL101 C103 C144 R150 IC100 (Page 28) RV100 IC102 CN102 C115 C100 C114 L102...
  • Page 31: Printed Wiring Board - Power Section

    TA-DK2 4-16. PRINTED WIRING BOARD — POWER SECTION — • Refer to page 19 for Circuit Boards Location. : Uses unleaded solder. (Page 20) MAIN BOARD CNP901 T901 CNP904 POWER TRANSFORMER (MAIN) CNP900 CNP903 ~ AC IN MAIN BOARD CNP902...
  • Page 32: Schematic Diagram - Power Section

    TA-DK2 4-17. SCHEMATIC DIAGRAM — POWER SECTION — T901 (Page 22) (Page 22) CNP903 R810 R812 F901 RY901 D920 D923 C915 Q901 CNP904 R904 R903 D901 CNP906 C916 D921 D922 C901 R905 D910 T902 C914 CNP900 C902 D911 C911 (Page 22)
  • Page 33 TA-DK2 • IC Block Diagrams IC400 M61542FP (MAIN BOARD (1/2)) Volume SROUT INL5 INR5 SLOUT INL4 INR4 SLVIN INL3 INR3 Volume INL2 SLIGO INR2 INL1 CIGO CVIN Volume COUT SWOUT INR1 AVEE Input ATT SWVIN (for ADC) ADIFL Volume SWIGO...
  • Page 34: Main Control

    TA-DK2 IC2000 M5243BFP09-CF0J (MIC TONE BOARD) IC2100 M5243BFP09-CF0J (DISPLAY BOARD) IN1-1 IN1-2 NF1-1 NF1-2 IN2-1 IN2-2 NF2-1 NF2-2 IN3-2 IN3-1 NF3-1 NF3-2 NON-INVERTED INPUT-1 NON-INVERTED INPUT-2 INVERTED INPUT-1 INVERTED INPUT-2 OUTPUT-1 OUTPUT-2 VREF IC2010 M65831AFP (MIC TONE BOARD) 4.7k 4.7k...
  • Page 35 TA-DK2 • IC Pin Description IC1101 MB90488BPF-G-231E1 (SYSTEM CONTROL) (DIGITAL BOARD (2/2)) Pin No. Pin Name Pin Description 1 to 4 MON0 to MON3 Test pin 0 to 3 5 to 10 NO_USE Not used (Open) — Ground 12 to 22...
  • Page 36 TA-DK2 Pin No. Pin Name Pin Description BRIDGEABLE_RY Not used (Open) 73 to 76 NO_USE Not used (Open) RSTX Reset signal input NO_USE Not used (Open) — Not used (Open) — Not used (Connect to VSS) — Ground — Clock signal input (24 MHz) —...
  • Page 37: Exploded Views

    TA-DK2 SECTION 5 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • -XX and -X mean standardized parts, so The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied.
  • Page 38: Front Panel Section

    2-655-485-01 KNOB (MIC VOL) (SILVER)...(SILVER) 4-977-358-01 CUSHION 2-655-485-21 KNOB (MIC VOL) (GOLD)...(GOLD) 4-240-507-11 KNOB (VOL) (GOLD)...(GOLD) 4-240-858-11 EMBLEM (5-A), SONY (GOLD)...(GOLD) 4-240-507-41 KNOB (VOL) (SILVER)...(SILVER) 4-240-858-21 EMBLEM (5-A), SONY (SILVER)...(SILVER) 4-232-569-12 KNOB (FN DE9) (GOLD)...(GOLD) A-1216-815-A MIC TONE BOARD, COMPLETE 4-232-569-31 KNOB (FN DE9) (SILVER)...(SILVER)
  • Page 39: Back Panel Section

    TA-DK2 5-3. BACK PANEL SECTION not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 0 101 1-777-071-83 CORD, POWER A-1216-806-A DIGITAL BOARD, COMPLETE * 102 3-703-244-00 BUSHING (2104), CORD 7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3...
  • Page 40: Chassis Section

    TA-DK2 5-4. CHASSIS SECTION not supplied F901 Q554 Q553 Q504 Q503 not supplied (STANDBY board) T901 not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-985-642-01 CUSHION Q503 6-702-390-01 TRANSISTOR MN2488-OPY-MK 4-900-386-01 SCREW...
  • Page 41: Electrical Parts List

    TA-DK2 SECTION 6 DIGITAL ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
  • Page 42 TA-DK2 DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C2337 1-126-933-11 ELECT 100uF < TRANSISTOR > C2338 1-164-227-11 CERAMIC CHIP 0.022uF C2339 1-113-619-11 CERAMIC CHIP 0.47uF Q1103 8-729-027-43 TRANSISTOR DTC114EKA-T146 C2340 1-164-677-11 CERAMIC CHIP 0.033uF...
  • Page 43 TA-DK2 DIGITAL DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1194 1-216-864-11 SHORT CHIP R2355 1-216-833-11 METAL CHIP 1/10W R1198 1-216-864-11 SHORT CHIP R2356 1-216-829-11 METAL CHIP 4.7K 1/10W R1200 1-216-827-11 METAL CHIP 3.3K 1/10W...
  • Page 44 TA-DK2 DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C2107 1-164-217-11 CERAMIC CHIP 150PF R108 1-216-833-11 METAL CHIP 1/10W C2108 1-164-227-11 CERAMIC CHIP 0.022uF R109 1-216-833-11 METAL CHIP 1/10W C2109 1-115-416-11 CERAMIC CHIP 0.001uF R110...
  • Page 45 TA-DK2 DISPLAY MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark RV2102 1-227-736-11 RES, VAR, CARBON 100KX2 C516 1-136-157-00 FILM 0.022uF (MID (MUSIC TONE)) C551 1-126-963-11 ELECT 4.7uF RV2103 1-227-781-11 RES, VAR, CARBON 10KX2 (MUSIC VOLUME)
  • Page 46 TA-DK2 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D881 8-719-991-33 DIODE 1SS133T-77 R504 1-249-439-11 CARBON 1/4W D882 8-719-991-33 DIODE 1SS133T-77 R505 1-249-421-11 CARBON 2.2K 1/4W D883 8-719-991-33 DIODE 1SS133T-77 R506 1-249-440-11 CARBON 1/4W R507...
  • Page 47 TA-DK2 MAIN MIC AMP MIC TONE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RELAY > A-1216-815-A MIC TONE BOARD, COMPLETE ************************* RY501 1-755-416-12 RELAY RY601 1-755-416-12 RELAY < CAPACITOR > RY702 1-755-267-11 RELAY C2009 1-124-257-00 ELECT 2.2uF...
  • Page 48 TA-DK2 MIC TONE STANDBY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D103 8-719-046-39 LED SEL5821A-TP15 < VARIABLE RESISTOR > (KARAOKE VOCAL SELECT) D104 8-719-046-39 LED SEL5821A-TP15 (KARAOKE SCORE) RV2000 1-227-735-11 RES, VAR, CARBON 10K (KARAOKE MIC 1 VOL) D2100 8-719-069-54 DIODE UDZSTE-175.1B...
  • Page 49: Volume Board

    TA-DK2 STANDBY VOLUME Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D914 8-719-991-33 DIODE 1SS133T-77 ACCESSORIES D915 8-719-991-33 DIODE 1SS133T-77 ************ D920 6-500-522-11 DIODE 10EDB40-TA2B5 D921 6-500-522-11 DIODE 10EDB40-TA2B5 1-480-024-11 STANDARD COMMANDER (RM-AAU011) D922 6-500-522-11 DIODE 10EDB40-TA2B5...
  • Page 50 TA-DK2 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2006. 12...

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