Sony GTK-XB7 Service Manual
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SERVICE MANUAL
Ver. 1.1 2016.02
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(The United States model only)
Left/Right Channel:
With 3 ohms loads, both channels
driven, from 120
10,000 Hz; rated
30 watts per channel minimum
RMS power, with no more than
0.7% total harmonic distortion from
250 milliwatts to rated output.
Speaker section
Speaker system:
Tweeter + Woofer
Tweeter L/R:
50 mm (2 in) × 3, cone type
Woofer:
160 mm (6
in) × 2, cone type
Inputs
AUDIO/PARTY CHAIN IN L/R:
Voltage 2 V, impedance 10 kilohms
Outputs
AUDIO/PARTY CHAIN OUT L/R:
Voltage 2 V, impedance 600 ohms
USB section and supported
audio formats
(USB) port:
Type A, maximum current 2.1 A
Supported bit rate:
MP3 (MPEG1 Audio Layer-3):
32 kbps 320 kbps, VBR
WMA: 32 kbps 192 kbps, VBR
Sampling frequencies:
MP3 (MPEG1 Audio Layer-3):
32/44.1/48 kHz
WMA: 44.1 kHz
9-896-261-02
Sony Video & Sound Products Inc.
2016B33-1
©
2016.02
Published by Sony Techno Create Corporation
SPECIFICATIONS
BLUETOOTH section
Communication system:
BLUETOOTH Standard version 3.0
Output:
BLUETOOTH Standard Power Class 2
Maximum communication range:
Line of sight approx. 10 m (33 feet)
Frequency band:
2.4 GHz band (2.4000 GHz –
2.4835 GHz)
Modulation method:
FHSS (Freq Hopping Spread
Spectrum)
Compatible BLUETOOTH profiles
2)
:
A2DP (Advanced Audio Distribution
Profile)
AVRCP (Audio Video Remote Control
Profile)
SPP (Serial Port Profile)
Supported codecs:
SBC (Sub Band Codec)
AAC (Advanced Audio Coding)
LDAC
1)
The actual range will vary depending
on factors such as obstacles between
devices, magnetic fields around a
microwave oven, static electricity,
reception sensitivity, antenna's
performance, operating system, software
application, etc.
2)
BLUETOOTH standard profiles indicate the
purpose of BLUETOOTH communication
between devices.
GTK-XB7
Canadian Model
Australian Model
General
Power requirements:
North American model: AC 120 V,
60 Hz
Other models: AC 120 V
50/60 Hz
1)
Power consumption:
60 W
Standby power consumption:
When BLUETOOTH standby mode is
set to off: 0.5 W (eco mode)
When BLUETOOTH standby mode is
set to on: 2.8 W (all wireless network
ports on)
Dimensions (W/H/D) (Approx.):
330 mm × 650 mm × 340 mm (13 in
× 25
in × 13
Mass (Approx.):
12 kg (26 lb 16 oz)
Quantity of the system:
1 piece
Supplied accessories:
Remote control (1)
R03 (size AAA) batteries (2)
AC power cord (1)
Design and specifications are subject to
change without notice.
HOME AUDIO SYSTEM
US Model
AEP Model
UK Model
240 V,
in)

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Summary of Contents for Sony GTK-XB7

  • Page 1 32 kbps 320 kbps, VBR WMA: 32 kbps 192 kbps, VBR HOME AUDIO SYSTEM Sampling frequencies: MP3 (MPEG1 Audio Layer-3): 32/44.1/48 kHz WMA: 44.1 kHz 9-896-261-02 Sony Video & Sound Products Inc. 2016B33-1 © 2016.02 Published by Sony Techno Create Corporation...
  • Page 2 LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC- TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON- NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
  • Page 3: Table Of Contents

    GTK-XB7 TABLE OF CONTENTS SERVICING NOTES 4-7. Schematic Diagram - MAIN Board (4/8) - ..... 29 ..........4-8. Schematic Diagram - MAIN Board (5/8) - ..... 30 4-9. Schematic Diagram - MAIN Board (6/8) - ..... 31 DISASSEMBLY 4-10. Schematic Diagram - MAIN Board (7/8) - ..... 32 2-1.
  • Page 4: Servicing Notes

    MODEL NUMBER LABEL US and Canadian models REPAIRING THE BOARDS SONY® Model No. GTK-XB7 When each boards installed in this unit are defective, replace the mounted board. Individual electrical parts that mounted on the each boards cannot be replaced.
  • Page 5: Disassembly

    GTK-XB7 SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. 2-1. DISASSEMBLY FLOW 2-2. TOP COVER BLOCK (Page 6) 2-9. SIDE PANEL (R), SIDE PANEL (L) 2-3. FAN UNIT (M1) 2-7. BT&NFC BOARD (Page 11)
  • Page 6: Top Cover Block

    GTK-XB7 Note: Follow the disassembly procedure in the numerical order given. 2-2. TOP COVER BLOCK 2 two rubber (circle) 3 screw 3 two screws 4 three screws 5 two rubber (small circle) 3 screw 6 two screws 3 two screws...
  • Page 7: Fan Unit (M1)

    GTK-XB7 2-3. FAN UNIT (M1) 3 fan unit (M1) 1 connector (XP14) 2 screw 2 screw 2-4. PSU BOARD 5 five screws 1 two screws hole 2 reinforcement bracket ditch hole hole 6 PSU board 3 connector (XP1) boss boss...
  • Page 8: Main Board

    GTK-XB7 2-5. MAIN BOARD 6 connector (XP22) 5 connector (XP10) 7 flexible flat cable (XP45) 4 connector (XP21) 8 connector (XP36) XP10 XP25 flexible flat cable 3 connector (XP14) front side 2 connector (XP7) 9 connector (XP25) 1 connector (XP37)
  • Page 9: Usb + Key Board

    GTK-XB7 2-6. USB + KEY BOARD 2 USB + KEY board 1 three screws 2-7. BT&NFC BOARD 6 BT&NFC board 4 flexible flat cable (FFC (to BT&NFC)) 1 connector (XP34) (XP8) 3 flexible flat cable (to MAIN) Note: Connect the side of short reinforcement plate to the BT&NFC board.
  • Page 10: Control Board

    GTK-XB7 2-8. CONTROL BOARD 2 eight screws 3 plate 5 flexible flat cable (FFC (to BT&NFC)) (XP16) 6 CONTROL board The opposite side is the terminal side. 1 connector (XP8) 4 Remove the CONTROL board block in the direction of the arrow.
  • Page 11: Side Panel (R), Side Panel (L)

    GTK-XB7 2-9. SIDE PANEL (R), SIDE PANEL (L) 5 side panel (R) Note: When installing the side panel (R), remove the used bond and use a new bond to fix the side panel (R). 4 Remove the side panel (R) in the direction of the arrow.
  • Page 12: Main Chassis Block

    GTK-XB7 2-10. MAIN CHASSIS BLOCK 4 flexible flat cable 3 connector (XP45) (XP22) 2 connector 5 connector (XP10) (XP36) 6 connector 1 connector (XP25) (XP21) XP10 XP25 flexible flat cable front side XP21 XP22 XP36 XP45 MAIN board The opposite side is the terminal side.
  • Page 13: Bottom Cover + Plate

    GTK-XB7 2-11. BOTTOM COVER + PLATE 1 two rubber (square) 2 two screws top side 4 two screws 3 two rubber (small circle) bottom side Note 1: When removing the bottom cover + plate, move the bottom cover + plate slowly and remove the bond as shown figure.
  • Page 14: Front Panel Block

    GTK-XB7 2-12. FRONT PANEL BLOCK front panel block total nine bosses 5 All bosses are removed while moving jig in the direction of the arrow, and cushion front panel block is removed. 4 Insert the jig into a space and raise front panel block.
  • Page 15: Lb Board

    GTK-XB7 2-13. LB BOARD front panel block front side 4 connector (XP37) 3 connector (XP56) bottom side 2 Remove the LB board block in the direction of the arrow. 1 eight screws 5 connector (XP50) 6 LB board...
  • Page 16: La Board

    GTK-XB7 2-14. LA BOARD top side 3 prop (upper) front panel block 1 four screws front side 2 Draw two cables out from the hole. XP55 XP38 XP54 LA board cable flexible flat cable The opposite side is the terminal side.
  • Page 17: Rgbf Board

    GTK-XB7 2-15. RGBF BOARD mounting plate (bottom right) front panel block boss Install the RGBF board Make sure that the projection into the slot. of the RGBF board is out. front side slot bottom side hole 3 RGBF board 1 two screws...
  • Page 18: Ir Board

    GTK-XB7 2-17. IR BOARD top side 3 flannel 2 IR board front panel block 1 screw front side 2-18. TWEETER (SP5) front panel block front side 2 speaker plate bottom side 3 tweeter terminal (wide side) 3 tweeter terminal (narrow side)
  • Page 19: Tweeter (Sp3, Sp4)

    GTK-XB7 2-19. TWEETER (SP3, SP4) top side front panel block 4 speaker unit (TW) (SP3) 2 speaker plate front side 3 tweeter terminal (wide side) 1 two screws 3 tweeter terminal (narrow side) 7 speaker unit (TW) (SP4) 6 speaker plate...
  • Page 20: Woofer (Sp1, Sp2)

    GTK-XB7 2-20. WOOFER (SP1, SP2) woofer terminal speaker unit (WF) (SP2) (wide side) front side woofer terminal (narrow side) 2 Remove the speaker unit (WF) in the direction of the arrow. 3 woofer terminal (narrow side) 3 woofer terminal (wide side)
  • Page 21: Test Mode

    GTK-XB7 SECTION 3 TEST MODE SOFTWARE VERSION DISPLAY It can confi rm the software version. Procedure: 1. Press the [ ] button to turn the power on. 2. Press the [FUNCTION] button to select the AUDIO IN func- tion. 3. Press the button on the remote commander as following order.
  • Page 22 GTK-XB7 MEMO MEMO...
  • Page 23: Diagrams

    GTK-XB7 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM - OVERALL Section - GTK-XB7...
  • Page 24: Block Diagram - Power Supply Section

    GTK-XB7 4-2. BLOCK DIAGRAM - POWER SUPPLY Section - 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: •...
  • Page 25: Printed Wiring Board - Main Board

    GTK-XB7 4-3. PRINTED WIRING BOARD - MAIN Board - • See page 24 for Circuit Boards Location. • : Uses unleaded solder. MAIN BOARD (COMPONENT SIDE) MAIN BOARD (CONDUCTOR SIDE) GTK-XB7...
  • Page 26: Schematic Diagram - Main Board (1/8)

    GTK-XB7 4-4. SCHEMATIC DIAGRAM - MAIN Board (1/8) - • See page 44 for IC Block Diagrams. MAIN BOARD (1/8) 36V_MAIN PSON V_12V 36V_MAIN C278 C278 0.01uF/50V/X7R 0.01uF/50V/X7R 22uH/3.6A 22uH/3.6A FB11 FB11 120/2A 120/2A STB_5V POWER INPUT FB13 FB13 120/2A...
  • Page 27: Schematic Diagram - Main Board (2/8)

    GTK-XB7 4-5. SCHEMATIC DIAGRAM - MAIN Board (2/8) - MAIN BOARD (2/8) FLASH F3V3 F3V3 3.3V_D2 Crystal 100K 100K DEBUG_TX 0.1UF 0.1UF DEBUG_RX 27MHz/30PPM 27MHz/30PPM F3V3 4PIN/2.0mm 4PIN/2.0mm 33pF/50V/NP0 33pF/50V/NP0 33pF/50V/NP0 33pF/50V/NP0 SF_CS SPI_D0 HOLD# SF_CK Put these circuits as...
  • Page 28: Schematic Diagram - Main Board (3/8)

    GTK-XB7 4-6. SCHEMATIC DIAGRAM - MAIN Board (3/8) - MAIN BOARD (3/8) SDRAM DQ[0..15] DQ[0..15] MA[0..11] MA[0..11] BA[0..1] BA[0..1] SD33 DQM[0..1] DQM[0..1] DCLK DCLK CAS# CAS# RAS# RAS# MA10 DQ10 A10/AP DQ10 MA11 DQ11 DQ11 DBA0 DQ12 BA0/A13 DQ12 DBA1...
  • Page 29: Schematic Diagram - Main Board (4/8)

    GTK-XB7 4-7. SCHEMATIC DIAGRAM - MAIN Board (4/8) - • See page 44 for IC Block Diagrams. MAIN BOARD (4/8) STB_3.3V 3.3V_D1 MCU_3.3V 3.3V_D1 LED Driver Close to MCU FB48 FB48 500/800mA 500/800mA C341 C341 C342 C342 C344 C344 C345...
  • Page 30: Schematic Diagram - Main Board (5/8)

    GTK-XB7 4-8. SCHEMATIC DIAGRAM - MAIN Board (5/8) - • See page 44 for IC Block Diagrams. MAIN BOARD (5/8) LGRP MODE2 R196 R196 SRC_MCLK RCKI MODE1 MODE0 R117 R117 BT_DATA SDIN BCKO SRC_BCLK R137 R137 BT_BCLK BCKI LRCKO SRC_LRCK...
  • Page 31: Schematic Diagram - Main Board (6/8)

    GTK-XB7 4-9. SCHEMATIC DIAGRAM - MAIN Board (6/8) - MAIN BOARD (6/8) Audio IN 3.3V_D1 3.3V_D1 R182 R182 VCC_D CE22 CE22 C149 C149 C119 C119 C172 C172 10uF/6.3V/X5R 10uF/6.3V/X5R 10uF/6.3V/X5R 10uF/6.3V/X5R FB22 FB22 R178 R178 R181 R181 Audio In_L R177...
  • Page 32: 4-10. Schematic Diagram - Main Board (7/8)

    GTK-XB7 4-10. SCHEMATIC DIAGRAM - MAIN Board (7/8) - • See page 44 for IC Block Diagrams. MAIN BOARD (7/8) 1.8V 3.3V 1.8V_D 3.3V_D1 C204 C204 C205 C205 C141 C141 C147 C147 C208 C208 C140 C140 C142 C142 0.1UF 0.1UF 0.1UF...
  • Page 33: 4-11. Schematic Diagram - Main Board (8/8)

    GTK-XB7 4-11. SCHEMATIC DIAGRAM - MAIN Board (8/8) - • See page 44 for IC Block Diagrams. MAIN BOARD (8/8) AMP_36V C263 C263 CE25 CE25 R333 R333 0.1uF 0.1uF 820uF/50V 820uF/50V R773 R773 220K 220K V_12V C316 C316 330pF/50V 330pF/50V...
  • Page 34: Printed Wiring Board - Bt&Nfc Board

    GTK-XB7 4-12. PRINTED WIRING BOARD - BT&NFC Board - 4-13. SCHEMATIC DIAGRAM - BT&NFC Board - • See page 24 for Circuit Boards Location. • : Uses unleaded solder. BT&NFC BOARD BT&NFC BOARD (COMPONENT SIDE) BUILT-IN BLUETOOTH MODULE ANTENNA SECTION...
  • Page 35: Printed Wiring Board - Usb + Key Board

    GTK-XB7 4-14. PRINTED WIRING BOARD - USB + KEY Board - • See page 24 for Circuit Boards Location. 4-16. PRINTED WIRING BOARD - IR Board - • See page 24 for Circuit Boards Location. • : Uses unleaded solder.
  • Page 36: Printed Wiring Board - Control Board

    GTK-XB7 4-18. PRINTED WIRING BOARD - CONTROL Board - • See page 24 for Circuit Boards Location. • : Uses unleaded solder. CONTROL BOARD (COMPONENT SIDE) CONTROL BOARD (CONDUCTOR SIDE) GTK-XB7...
  • Page 37: Schematic Diagram - Control Board

    GTK-XB7 4-19. SCHEMATIC DIAGRAM - CONTROL Board - CONTROL BOARD To Main Board C307 C307 C306 C306 XP16 XP16 0.1uF 0.1uF 0.1uF 0.1uF FB40 FB40 500/800mA 500/800mA STB_5V ADC_KEY POWER_KEY Mega Bass Mega Bass Power Power ESD6 ESD6 ESD5 ESD5...
  • Page 38: Printed Wiring Board - La Board

    GTK-XB7 4-20. PRINTED WIRING BOARD - LA Board - • See page 24 for Circuit Boards Location. 4-21. PRINTED WIRING BOARD - RGBE Board - • : Uses unleaded solder. • See page 24 for Circuit Boards Location. • : Uses unleaded solder.
  • Page 39: Schematic Diagram - La Board

    GTK-XB7 4-22. SCHEMATIC DIAGRAM - LA Board - 4-23. SCHEMATIC DIAGRAM - RGBE Board - LA BOARD RGBE BOARD To CENTER C414 C414 0.1uF 0.1uF 10uF 10uF XS14 XS14 5V_D2_2 R864 R864 PWM5_R_2 To Mainboard R865 R865 PWM5_G_2 R866 R866...
  • Page 40: Printed Wiring Board - Lb Board

    GTK-XB7 4-24. PRINTED WIRING BOARD - LB Board - • See page 24 for Circuit Boards Location. 4-25. PRINTED WIRING BOARD - RGBF Board - • : Uses unleaded solder. • See page 24 for Circuit Boards Location. LB BOARD (COMPONENT SIDE) •...
  • Page 41: Schematic Diagram - Lb Board

    GTK-XB7 4-26. SCHEMATIC DIAGRAM - LB Board - 4-27. SCHEMATIC DIAGRAM - RGBF Board - LB BOARD RGBF BOARD To RGB D C415 C415 0.1uF 0.1uF 10uF 10uF XS12 XS12 LOWER RIGHT CORNER RGB C LOWER CENTER FLASH LED B...
  • Page 42: Printed Wiring Board - Psu Board

    GTK-XB7 4-28. PRINTED WIRING BOARD - PSU Board - • See page 24 for Circuit Boards Location. • : Uses unleaded solder. PSU BOARD PSU BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) GTK-XB7...
  • Page 43: Schematic Diagram - Psu Board

    GTK-XB7 4-29. SCHEMATIC DIAGRAM - PSU Board - PSU BOARD D542 D542 HER203G/2A/200V HER203G/2A/200V T501 T501 R510 R510 NC/2.2/2W NC/2.2/2W PQ3230 PQ3230 C510 C510 R514 R514 NC/18.2/2W NC/18.2/2W R5101 R5101 2200pF/400V 2200pF/400V R509 R509 R5102 R5102 NC/19.1 NC/19.1 Alternative JP508...
  • Page 44 GTK-XB7 • IC Block Diagrams U16 STM32F030R8T6 – MAIN Board – Serial POWER DD18 SWCLK Wire VOLT.REG = 2.4 to 3.6 V U1 LED1642GWTTR SWDIO Debug 3.3 V TO 1.8 V as AF Flash PWCLK up to 64 KB, CORTEX-M0 CPU...
  • Page 45 GTK-XB7 U17 TAS5534 Output Control 2 Crossbar Mixer 8 Crossbar Mixer AVSS AVDD DVSS DVDD DAP Control PWM Control VRD_PLL VRA_PLL VBGAP System Control AVDD_REF AVSS_PLL AVDD_PLL VR_PLL Clock, PLL, and Serial Data I/F...
  • Page 46 GTK-XB7 U18 TAS5624A /CLIP /OTW /FAULT BST_X GVDD_X AVDD DVDD /RESET MODE1-3 POWER-UP RESET AVDD AVDD TEMP SENSE DVDD CB3C OVER- DVDD LOAD PROTECTION STARTUP CONTROL C_START BST_A PVDD_AB INPUT_A PWM & RECEIVER ANALOG TIMING GATE-DRIVE OUT_A LOOP FILTER CONTROL...
  • Page 47 GTK-XB7 U27 SRC4182 U32 SY8089...
  • Page 48 GTK-XB7 U35 KXCJK-1013 Sensor Charge Sensor Sensor Digital Filter IO Vdd Digital Engine...
  • Page 49: Exploded Views

    GTK-XB7 Ver. 1.1 SECTION 5 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • The mechanical parts with no reference The components identifi ed by mark 0 they may have some difference from the number in the exploded views are not sup- or dotted line with mark 0 are critical for original one.
  • Page 50: Cabinet Section

    GTK-XB7 Ver. 1.1 5-2. CABINET SECTION not supplied not supplied not supplied not supplied not supplied not supplied not supplied MAIN board section not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied...
  • Page 51: Top Cover Section

    GTK-XB7 Ver. 1.1 5-3. TOP COVER SECTION not supplied FFC2 not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark...
  • Page 52: Main Board Section

    GTK-XB7 Ver. 1.1 5-4. MAIN BOARD SECTION not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied...
  • Page 53: Front Panel Section

    GTK-XB7 Ver. 1.1 5-5. FRONT PANEL SECTION • Rear view not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied supplied not supplied...
  • Page 54: Accessories

    GTK-XB7 Ver. 1.1 SECTION 6 ACCESSORIES Ref. No. Part No. Description Remark 4-582-492-11 MANUAL, INSTRUCTION (ENGLISH, FRENCH, SPANISH) (US, CND) 4-582-492-21 MANUAL, INSTRUCTION (ENGLISH) (UK, AUS) 4-582-492-31 MANUAL, INSTRUCTION (FRENCH, SPANISH, GERMAN, DUTCH, ITALIAN, POLISH) (AEP) 1-493-170-11 REMOTE COMMANDER (RMT-AM200U)
  • Page 55 GTK-XB7 MEMO...
  • Page 56 GTK-XB7 REVISION HISTORY Ver. Date Description of Revision 2016.01 2016.02 Addition of AEP, UK and Australian models Addition of BLUE color and RED color types (US and Canadian models) Change of Part No. for complete BT&NFC board (Ref. No. 102)

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