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Sony GTK-XB72 Service Manual
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Sony GTK-XB72 Service Manual

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2019/01/18 06:06:34 (GMT+09:00)
SERVICE MANUAL
Conditions of Use:
(1)
Please use this information only for the purpose of performing repair, maintenance and/or confi guration services of the Sony products (hereinafter the "Repair services") under the ser-
vice agreement entered into with the Sony group company (hereinafter the "Service agreement"). Using this information for any purpose other than the purpose described foregoing is
forbidden.
(2)
Only the Authorized Servicer's offi cers, employees or subcontractors (including their offi cers and employees) whose duties justify a need-to-know and who have agreed to hold
confi dential this information (collectively hereinafter the "Permitted users") are permitted to access and use this information. To disclose or disseminate to any person other than the
Permitted users is forbidden.
(3)
Destroy or erase any and all portion of this information promptly in an irrecoverable and secure fashion after achieving the purpose described in Section (1) above.
(4)
Do not copy, replicate, reproduce, alter, translate, transmit, sell, lease, or distribute this information in whole or in part without the prior written permission of the author.
(Notwithstanding foregoing, it is permitted to copy and distribute this information to the Permitted users.)
(5)
Please notify immediately any leakage, loss, theft, misappropriation, or other misuse of this information by e-mail to the following address:
somk-gcs-tissnexim-adm@jp.sony.com
(6)
In addition to the above, the terms and conditions of the Service agreement shall be applied to using this information.
Revision of Information:
This information may be changed or updated at any time without any prior notice. Please confi rm that this information is up-to-date before using it.
Note:
Be sure to keep your PC used for service and
checking of this unit always updated with the
latest version of your anti-virus software.
In case a virus affected unit was found during
service, contact your Service Headquarters.
Sony CONFIDENTIAL
For Authorized Servicer
9-896-569-01
2019A33-1
Sony Video & Sound Products Inc.
©
2019.01
GTK-XB72
SYS SET

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Summary of Contents for Sony GTK-XB72

  • Page 1 Conditions of Use: Please use this information only for the purpose of performing repair, maintenance and/or confi guration services of the Sony products (hereinafter the “Repair services”) under the ser- vice agreement entered into with the Sony group company (hereinafter the “Service agreement”). Using this information for any purpose other than the purpose described foregoing is forbidden.
  • Page 2 With 3 ohms loads, both channels driven, from 120 Hz - 10,000 Hz; rated 30 watts per channel minimum LDAC is an audio coding technology developed by Sony that enables the transmission of RMS power at stereo mode, with no more than 0.7% total harmonic distortion from 250 milliwatts to High-Resolution (Hi-Res) Audio content, even over a BLUETOOTH connection.
  • Page 3 The BLUETOOTH® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. After correcting the original service problem, perform the following and any use of such marks by Sony Corporation is under license. safety check before releasing the set to the customer: The N-Mark is a trademark or registered trademark of NFC Forum, Inc.

  • Page 4: Table Of Contents

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer TABLE OF CONTENTS SERVICING NOTES 5-10. Schematic Diagram - MAIN Board (7/9) - ......39 ..........5-11. Schematic Diagram - MAIN Board (8/9) - ......40 5-12. Schematic Diagram - MAIN Board (9/9) - ......41 DISASSEMBLY 5-13.

  • Page 5: Servicing Notes

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL SECTION 1 For Authorized Servicer SERVICING NOTES The SERVICING NOTES contains important information for servicing. Be sure to read this section before repairing the unit. UNLEADED SOLDER MODEL IDENTIFICATION Boards requiring use of unleaded solder are printed with the lead- When checking the destination of this unit, check the print contents free mark (LF) indicating the solder contains no lead.
  • Page 6 2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer NFC OPERATION CHECKING METHOD DOUBLE-SIDED TAPE OF NFC BOARD Perform the NFC operation check according to the following pro- The NFC board is pasted on the top side inner of the side panel assy cedure.
  • Page 7 2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer CHECKING THE OPERATION AFTER REPAIR After repair completion, connect the “iPhone/iPod”, “Walkman”, smartphone, USB memory etc. corresponding to this unit, and check the operation. NOTE OF REPLACING THE ELECTRICAL PARTS ON EACH BOARD FOR REPAIRING Among mounted electrical parts on each board, only parts that are described in the electrical parts list can be replaced for repairing.

  • Page 8: Disassembly

    This set can be disassembled in the order shown below. 2-1. DISASSEMBLY FLOW Note: The rod antenna drawn in each illustration is installed in GTK-XB72 except AEP and UK. There is no the rod antenna in GTK-XB72 of AEP and UK. (US, CND) 2-2. SIDE PANEL ASSY BLOCK-1 2-9.

  • Page 9: Side Panel Assy Block-1

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer Note: Follow the disassembly procedure in the numerical order given. 2-2. SIDE PANEL ASSY BLOCK-1 • Continued on 2-3 (page 10) (Left Side) or 2-4 (page 11) (Right Side). Note 1: When removing the foot pad (21 mm), it cannot Note 2: When removing the foot pad (19 mm), it cannot be reused.

  • Page 10: Side Panel Assy Block-2 (Left Side)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-3. SIDE PANEL ASSY BLOCK-2 (LEFT SIDE) When the side panel assy (left) cannot be lifted up left side bottom side When the side panel assy (left) cannot be lifted up, insert a jig into gap...

  • Page 11: Side Panel Assy Block-2 (Right Side)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-4. SIDE PANEL ASSY BLOCK-2 (RIGHT SIDE) When the side panel assy (right) cannot be lifted up right side When the side panel assy (right) cannot be lifted up, insert a jig into gap...

  • Page 12: Key (L) Board (Left Side)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-5. KEY (L) BOARD (LEFT SIDE) 3 Remove the KEY (L) board block in the direction of the arrow. 6 KEY (L) board top side Note: When installing the KEY (L) board, hole align the four bosses and four holes.

  • Page 13: Nfc Board (Right Side)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-7. NFC BOARD (RIGHT SIDE) Note 1: When replacing the NFC board, be sure to replace the MAIN board and the NFC board simultaneously. The NFC board cannot replace with single. Among the repair parts, the MAIN board and the NFC board are supplied as one unit.

  • Page 14: Main Block

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-8. MAIN BLOCK 1 two screws top side front side 1 three screws 1 two screws 2 Lift up the main block in the direction of the arrow. left side rear side 6 FFC (TOP LED-MAIN)

  • Page 15: Rod Antenna (Us, Cnd)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-9. ROD ANTENNA (US, CND) front side top side rear side 4 screw 1 two screws left side 3 Pull out the rod antenna block 5 Pull out the rod antenna in in the direction of the arrow.

  • Page 16: Power Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-11. POWER BOARD 3 two screws top side rear side 1 POWER board cable 2 two screws connector (9P) (XP20) 3 screw 3 screw 3 screw front side 4 Slide the POWER board in the direction of the arrow.

  • Page 17: Mic Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-12. MIC BOARD 1 FFC (KN-MAIN) (5 core) (XP37) rear side 2 two screws top side terminal side front side 4 MIC board block 3 Remove the MIC board block in the direction of the arrow.

  • Page 18: Main Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-13. MAIN BOARD Note 1: When replacing the MAIN board, be sure to replace the MAIN board and the NFC board simultaneously. The MAIN board cannot replace with single. Among the repair parts, the MAIN board and the NFC board are supplied as one unit.

  • Page 19: Front Panel Assy Block-1

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-14. FRONT PANEL ASSY BLOCK-1 • Continued on 2-15 (page 20). front side top side 1 screw (M3.5 2 two screws (M3.5 4 Insert a screwdriver etc. into the gap between the front panel assy block and the speaker cabinet on the top side, and widen the gap.

  • Page 20: Front Panel Assy Block-2

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-15. FRONT PANEL ASSY BLOCK-2 front side top side total twelve bosses (with bond) Note 1: When installing the front panel assy block, be careful not to pinch the two cables and a FFC.

  • Page 21: Speaker Unit (Wf)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-16. SPEAKER UNIT (WF) Note 1: When installing the cable (MAIN-WF), make the position of caulking of terminals is outside. speaker unit (WF) terminal (narrow) (woofer: bottom) bottom side bottom side right side...

  • Page 22: Speaker Unit (Tw)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-17. SPEAKER UNIT (TW) 3 speaker unit (TW) 1 two screws (tweeter: bottom left) 2 terminal (See Fig. C) (wide) Note 1: When installing the speaker unit 3 speaker unit (TW) (tweeter: top right) (TW) (tweeter: bottom right), (See Fig.

  • Page 23: Top Tube Led Board, Top Spk Led Board, Top Flash Led Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-18. TOP TUBE LED BOARD, TOP SPK LED BOARD, TOP FLASH LED BOARD 3 TOP TUBE LED board 1 Draw the TOP TUBE LED 2 FFC (LA-RGB) board out of the two grooves (28 core) (XP4) in front panel assy block.

  • Page 24: Bottom Tube Led Board, Bottom Spk Led Board, Bottom Flash Led Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-19. BOTTOM TUBE LED BOARD, BOTTOM SPK LED BOARD, BOTTOM FLASH LED BOARD 3 BOTTOM TUBE LED board 2 FFC (LB-RGB) (8 core) (XP11) terminal side 4 two screws 1 Draw the BOTTOM TUBE LED...

  • Page 25: Front Panel Assy

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 2-20. FRONT PANEL ASSY 2 FFC (TOP LED-BOTM LED) (12 core) (See Fig. D) 1 Draw the FFC (TOP LED-BOTM LED) (12 core) out of the four grooves in front panel assy. 3 Draw the cable (MAIN-TW)

  • Page 26: Test Mode

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL SECTION 3 For Authorized Servicer TEST MODE Buttons and indicators position: CHECK VERSION It can check the software version. (US, CND) Procedure: 1. Press the [ ] button to turn the power on. 2. Press the [FUNCTION PAIRING] button to select the AUDIO IN function.
  • Page 27 2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer CHECK MODELS It can check the destination. Procedure: 1. Press the [ ] button to turn the power on. 2. Press the [FUNCTION PAIRING] button to select the AUDIO IN function. 3. Press two buttons of the [ ] and [ADD] simultaneously for 5 seconds.

  • Page 28: Troubleshooting

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL SECTION 4 For Authorized Servicer TROUBLESHOOTING FLOWCHART CONDITION JUDGEMENT METHOD OF MAIN BOARD AND POWER BOARD Start. Procedure: 1. Disconnect the cable that connects the POWER board to the MAIN board. 2. Measure the output voltage of connector (Ref. No. XP1) pin 6 When disconnecting the cable that to 9 on the POWER board after power on.

  • Page 29: Diagrams

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL SECTION 5 For Authorized Servicer DIAGRAMS 5-1. BLOCK DIAGRAM - OVERALL Section - IIS4_DA8 ADC2 IIC1 To TAS5538 Sampler IC From MCU ES7241 IIC2 AM4KA340 From MCU RZ5B705 U35/U36 6.3 mm 01UZ5B705 -AU001 ADC1 IIS4_MCLK G3157*2...

  • Page 30: Block Diagram - Power Supply Section

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-2. BLOCK DIAGRAM - POWER SUPPLY Section - For TAS5624A P_12V Swith 12V_D For TAS5624A&FAN&Relay&74HC4052&F4558 I/O1*1 A P 2305 From MCU For MCU&BM64&NX3DV42GU&MF1337S3959&SGM803&Flash 16M STB_3.3V DC-DC T LV625 For PCM1808*3&YSS952&TAS5538&FM&74LVC244 3.3V_D1 I/O1*1 DC-DC A P 2305 &AM4KA340&ES7144S&AS9632&LIS2DH12TR...
  • Page 31 2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For Printed Wiring Boards. For Schematic Diagrams. Note: Note: • All capacitors are in μF unless otherwise noted. (p: pF) 50 •...

  • Page 32: Printed Wiring Board - Main Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-3. PRINTED WIRING BOARD - MAIN Board - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. MAIN BOARD (COMPONENT SIDE) MAIN BOARD (CONDUCTOR SIDE) GTK-XB72 SYS SET...

  • Page 33: Schematic Diagram - Main Board (1/9)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-4. SCHEMATIC DIAGRAM - MAIN Board (1/9) - MAIN BOARD (1/9) AMP_34V P_34V XP20 XP20 0(NC) 0(NC) POWER INPUT C159 C159 C167 C167 C160 C160 C155 C155 5V_D1 9PIN/2.0mm 9PIN/2.0mm 2->3 : 35.5...

  • Page 34: Schematic Diagram - Main Board (2/9)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-5. SCHEMATIC DIAGRAM - MAIN Board (2/9) - MAIN BOARD (2/9) 1.25V_D Imax=140mA @ripple 50mV VDD12 FB17 FB17 500 /800mA 500 /800mA A_1V2 100nF/25V/X5R 100nF/25V/X5R 10uf/6.3v/X5R 10uf/6.3v/X5R PLL_VDD12 10uf/6.3v/X5R 10uf/6.3v/X5R 100nF/25V/X5R 100nF/25V/X5R 10PF/50V/NPO...

  • Page 35: Schematic Diagram - Main Board (3/9)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-6. SCHEMATIC DIAGRAM - MAIN Board (3/9) - MAIN BOARD (3/9) KARAOKE V_12V R107 R107 100nF/25V/X5R 100nF/25V/X5R 100nF/25V/X5R 100nF/25V/X5R 3.3V_D1 22uF/16V 22uF/16V 100 F/16V 100 F/16V C232 C232 FB83 FB83 500 /800mA 500 /800mA...

  • Page 36: Schematic Diagram - Main Board (4/9)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-7. SCHEMATIC DIAGRAM - MAIN Board (4/9) - MAIN BOARD (4/9) MCU_3.3V R157 R157 FM_SDA MCU_3.3V R158 R158 FM_SCL R155 R155 G_SDA R153 R153 G_SCL DSP_SDA STB_3.3V MCU_3.3V DSP_SCL 2.2K 2.2K 2.2K 2.2K...

  • Page 37: Schematic Diagram - Main Board (5/9)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-8. SCHEMATIC DIAGRAM - MAIN Board (5/9) - MAIN BOARD (5/9) AUX IN ADC Audio IN Audio In_L FB77 FB77 NC/500 /800mA NC/500 /800mA Audio In_R FB78 FB78 NC/500 /800mA NC/500 /800mA C172...

  • Page 38: Schematic Diagram - Main Board (6/9)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-9. SCHEMATIC DIAGRAM - MAIN Board (6/9) - MAIN BOARD (6/9) 1.8V 3.3V 1.8V_D 3.3V_D1 C204 C204 C205 C205 C141 C141 C147 C147 C208 C208 C140 C140 C142 C142 100nF/25V/X5R 100nF/25V/X5R 100nF/25V/X5R 100nF/25V/X5R...

  • Page 39: Schematic Diagram - Main Board (7/9)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-10. SCHEMATIC DIAGRAM - MAIN Board (7/9) - MAIN BOARD (7/9) AMP_3.3V TGND C211 C211 C212 C212 C227 C227 3.3V_D1 AMP_3.3V PWM_HPM_L PWM_P_6 R308 R308 PWM_HPP_L PWM_M_6 100nF/25V/X5R 100nF/25V/X5R 100nF/25V/X5R 100nF/25V/X5R 10uf/6.3v/X5R 10uf/6.3v/X5R...

  • Page 40: Schematic Diagram - Main Board (8/9)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-11. SCHEMATIC DIAGRAM - MAIN Board (8/9) - MAIN BOARD (8/9) STB_3.3V Model:BT/BT Module BM64 BM64 STB_3.3V BT_LRCK R148 R148 BT_LRCK RFS0 P2_7 NFC_BT BT_BCLK R146 R146 BT_BCLK SCLK0 P2_0 ADAP BT_DATA R145...

  • Page 41: Schematic Diagram - Main Board (9/9)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-12. SCHEMATIC DIAGRAM - MAIN Board (9/9) - MAIN BOARD (9/9) AMP_34V C264 C264 CE25 CE25 R355 R355 0.1uF/50V/X7R 0.1uF/50V/X7R 820uF/50V 820uF/50V C334 C334 R786 R786 220K 220K V_12V 330pF/50V 330pF/50V R327 R327...

  • Page 42: Printed Wiring Board - Nfc Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-13. PRINTED WIRING BOARD - NFC Board - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. NFC BOARD (COMPONENT SIDE) NFC BOARD (CONDUCTOR SIDE) 5-14. SCHEMATIC DIAGRAM - NFC Board -...

  • Page 43: Printed Wiring Board - Mic Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-15. PRINTED WIRING BOARD - MIC board - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. MIC BOARD (COMPONENT SIDE) MIC BOARD (CONDUCTOR SIDE) 5-16. SCHEMATIC DIAGRAM - MIC Board -...

  • Page 44: Printed Wiring Board - Key (L) Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-17. PRINTED WIRING BOARD - KEY (L) Board - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. KEY (L) BOARD KEY (L) BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) GTK-XB72...

  • Page 45: Schematic Diagram - Key (L) Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-18. SCHEMATIC DIAGRAM - KEY (L) Board - KEY (L) BOARD To RGB Board 12PIN/1.0mm 12PIN/1.0mm POWER 500 /800mA 500 /800mA STB_5V_L ADC_KEY1 500 /800mA 500 /800mA PW_LED1 PW_LED2 ESD1 ESD1 BT Blue_LED AUX WHITE_LED 4.3K /±1%...

  • Page 46: Printed Wiring Board - Key (R) Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-19. PRINTED WIRING BOARD - KEY (R) Board - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. KEY (R) BOARD KEY (R) BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) GTK-XB72...

  • Page 47: Schematic Diagram - Key (R) Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-20. SCHEMATIC DIAGRAM - KEY (R) Board - KEY (R) BOARD ADC_KEY2 500 /800mA 500 /800mA ESD2 ESD2 ADD SPK ADD SPK 4.3K /±1% 4.3K /±1% To RGB Board 0.99V Wireless PARTY CHAIN/LIGHT Wireless PARTY CHAIN/LIGHT 12PIN/1.0mm...

  • Page 48: Printed Wiring Board - Top Tube Led Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-21. PRINTED WIRING BOARD - TOP TUBE LED board - 5-22. SCHEMATIC DIAGRAM - TOP TUBE LED board - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. TOP TUBE LED BOARD...

  • Page 49: Printed Wiring Board - Top Flash Led Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-23. PRINTED WIRING BOARD - TOP FLASH LED board - 5-24. SCHEMATIC DIAGRAM - TOP FLASH LED board - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. TOP FLASH LED BOARD...

  • Page 50: Printed Wiring Board - Top Spk Led Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-25. PRINTED WIRING BOARD - TOP SPK LED board - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. TOP SPK LED BOARD (COMPONENT SIDE) TOP SPK LED BOARD (CONDUCTOR SIDE) 5-26.

  • Page 51: Printed Wiring Board - Bottom Spk Led Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-27. PRINTED WIRING BOARD - BOTTOM SPK LED board - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. BOTTOM SPK LED BOARD (COMPONENT SIDE) BOTTOM SPK LED BOARD (CONDUCTOR SIDE) 5-28.

  • Page 52: Printed Wiring Board - Bottom Flash Led Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-29. PRINTED WIRING BOARD - BOTTOM FLASH LED board - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. BOTTOM FLASH LED BOARD (COMPONENT SIDE) BOTTOM FLASH LED BOARD (CONDUCTOR SIDE) 5-30.

  • Page 53: Printed Wiring Board - Bottom Tube Led Board

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-31. PRINTED WIRING BOARD - BOTTOM TUBE LED board - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. BOTTOM TUBE LED BOARD (COMPONENT SIDE) BOTTOM TUBE LED BOARD (CONDUCTOR SIDE) 5-32.

  • Page 54: Printed Wiring Board - Power Board (Us, Cnd)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-33. PRINTED WIRING BOARD - POWER Board (US, CND) - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. (US, CND) POWER BOARD (COMPONENT SIDE) POWER BOARD (CONDUCTOR SIDE) GTK-XB72 SYS SET...

  • Page 55: Schematic Diagram - Power Board (Us, Cnd)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-34. SCHEMATIC DIAGRAM - POWER Board (US, CND) - (US, CND) POWER BOARD C508 C508 CY504 CY504 VOUT-GND D506 D506 HER203 HER203 R503 R503 470pF/250VAC 470pF/250VAC R533 R533 0.0022uF(222)400V 0.0022uF(222)400V D504 D504 R502...

  • Page 56: Printed Wiring Board - Power Board (Aep, Uk)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-35. PRINTED WIRING BOARD - POWER Board (AEP, UK) - • See page 31 for Circuit Boards Location. • : Uses unleaded solder. (AEP, UK) POWER BOARD (COMPONENT SIDE) POWER BOARD (CONDUCTOR SIDE) GTK-XB72 SYS SET...

  • Page 57: Schematic Diagram - Power Board (Aep, Uk)

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 5-36. SCHEMATIC DIAGRAM - POWER Board (AEP, UK) - (AEP, UK) POWER BOARD C508 C508 CY504 CY504 VOUT-GND D506 D506 HER203 HER203 R503 R503 470pF/250VAC 470pF/250VAC R533 R533 0.0022uF(222)400V 0.0022uF(222)400V D504 D504 R502...

  • Page 58: Exploded Views

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL SECTION 6 For Authorized Servicer EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • The mechanical parts with no reference they may have some difference from the number in the exploded views are not sup- original one.

  • Page 59: Speaker Cabinet Section

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 6-2. SPEAKER CABINET SECTION board section not supplied not supplied front panel section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 930100137 SCREW (M3.5X16) 930100141 SPEAKER UNIT (WF) IN CARTON (Woofer: Top)

  • Page 60: Left Side Panel Section

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 6-3. LEFT SIDE PANEL SECTION top side FFC1 left side not supplied right side LSIDE1 front side Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 930100136 KEY (L) BOARD, COMPLETE (AEP, UK)

  • Page 61: Right Side Panel Section

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 6-4. RIGHT SIDE PANEL SECTION not supplied (See Note 1) top side Included in Ref. No. 201 on page 62. NFC board (See Note 2) left side FFC2 right side front side Note 1: When installing the NFC board to the side panel assy (right), cut out the double-side tape of commercial products to 27.0 18.0 mm size...

  • Page 62: Board Section

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 6-5. BOARD SECTION top side 203 203 not supplied (US, CND) left side FFC3 (US, CND) (See Note) ANT1 not supplied not supplied front side right side Note: When replacing the MAIN board (Ref. No. 201), be sure to replace the MAIN board and the NFC board (page 61) simultaneously.

  • Page 63: Front Panel Section

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer 6-6. FRONT PANEL SECTION top side front side FFC5 FFC4 FFC6 not supplied FFC7 rear side bottom side Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 988521902 SCREW (M3X10)

  • Page 64: Electrical Parts List

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL SECTION 7 For Authorized Servicer BOTTOM FLASH LED ELECTRICAL PARTS LIST BOTTOM SPK LED BOTTOM TUBE LED KEY (L) • RESISTORS Among mounted electrical parts on each KEY (R) MAIN + NFC All resistors are in ohms.

  • Page 65: Accessories

    2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer SECTION 8 ACCESSORIES Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LSIDE1 988522495 SIDE PANEL ASSY (LEFT UC2) 474716711 REFERENCE GUIDE (Including MIC, Cable (KEY-MIC)) (US, CND) (ENGLISH, FRENCH, SPANISH) (US, CND)
  • Page 66 2019/01/18 06:06:34 (GMT+09:00) GTK-XB72 Sony CONFIDENTIAL For Authorized Servicer REVISION HISTORY Ver. Date Description of Revision 2019.01 SYS SET...

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