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Sony HCD-GTX777 Service Manual
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Sony HCD-GTX777 Service Manual

Cd deck receiver
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HCD-GTX777/GTX787/GTX888
QQ
3 7 63 1515 0

SERVICE MANUAL

Ver. 1.1 2008. 05
• HCD-GTX777/GTX787/GTX888
are the tuner, deck, CD and
amplifi er section in
MHC-GTX777/GTX787/GTX888.
TE
L 13942296513
AUDIO POWER SPECIFICATION
Amplifi er section
MHC-GTX888 (HCD-GTX888)
The following are measured at
Mexican model:
AC 127 V, 60 Hz
Other models:
AC 120, 220, 230 – 240 V, 50/60 Hz
Front/Surround speaker
Power Output (rated):
190 W + 190 W (at 8
1 kHz, 1% THD, at LINK MODE)
RMS output power (reference):
295 W + 295 W (per channel at 8
24 , 1 kHz, 10% THD, at LINK MODE)
Subwoofer
RMS output power (reference):
160 W + 160 W (per channel at 6 ,
100 Hz, 10% THD)
www
.
9-890-504-02
Sony Corporation
2008E08-1
Audio Business Group
© 2008. 05
Published by Sony EMCS (Malaysia) PG Tec
http://www.xiaoyu163.com
CD
Section
Tape Deck Model Name Using Similar Mechanism
Section
and 24 ,
and
x
ao
u163
y
i
http://www.xiaoyu163.com
HCD-GTX777/GTX787/GTX888
2 9
8
Photo : HCD-GTX888 (E Model)
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-up Name
Q Q
3
6 7
1 3
1 5
Tape Mechanism Type
SPECIFICATIONS
MHC-GTX787 (HCD-GTX787)
The following are measured at
Mexican model:
Other models:
Front speaker
Power Output (rated):
RMS output power (reference):
MHC-GTX777 (HCD-GTX777)
European model only
The following are measured at
Front/Surround speaker
Power Output (rated):
RMS output power (reference):
co
.
9 4
2 8
AEP Model
HCD-GTX777
E Model
HCD-GTX777/GTX787/GTX888
Australian Model
HCD-GTX888
HCD-GTX66/GTX77/GTX88
CDM74KF-K6BD93-WOD//M
KSM-213DCP/C2NP
0 5
8
2 9
9 4
2 8
NEW
CFP42608
AC 127 V, 60 Hz
AC 120, 220, 230 – 240 V, 50/60 Hz
230 W + 230 W (at 4 , 1 kHz, 1% THD)
380 W + 380 W (per channel at 4 , 1 kHz, 10% THD)
AC 230 V, 50/60 Hz
235 W + 235 W (at 8
and 8 , 1 kHz,
1% THD, at LINK MODE)
380 W + 380 W (per channel at 8
and
8 , 1 kHz, 10% THD, at LINK MODE)
– Continued on next page –
m
CD DECK RECEIVER
9 9
9 9
1

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  • Page 1: Service Manual

    380 W + 380 W (per channel at 8 8 , 1 kHz, 10% THD, at LINK MODE) – Continued on next page – CD DECK RECEIVER u163 9-890-504-02 Sony Corporation 2008E08-1 Audio Business Group © 2008. 05 Published by Sony EMCS (Malaysia) PG Tec http://www.xiaoyu163.com...
  • Page 2 PHONES: accepts headphones of 8 or more Dimensions (w/h/d) (Approx.) HCD-GTX888/HCD-GTX787/ Disc player section HCD-GTX777: 281 × 365 × 454 mm System Compact disc and digital audio system (11 1/8 × 14 3/8 × 17 7/8 inches) Laser Semiconductor laser Mass (Approx.)
  • Page 3 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 Notes on Chip Component Replacement NOTES ON LASER DIODE EMISSION CHECK • Never reuse a disconnected chip component. The laser beam on this model is concentrated so as to be focused on • Notice that the minus side of a tantalum capacitor may be the disc refl...
  • Page 4 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 MODEL IDENTIFICATION • Abbreviation : 120V AC area in E model – MODEL NUMBER LABEL – : Middle Easten, African and Indian model E51 : Chilean and Peruvian model : Argentina model AUS : Australian model...

  • Page 5: Table Of Contents

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 TABLE OF CONTENTS 1. GENERAL 6-7. Circuit Boards Location ............. 37 6-8. Printed Wiring Board — BD93 Board — ......40 Guide to parts and controls ............6 6-9. Schematic Diagram — BD93 Board — ......41 6-10.

  • Page 6: General

    HCD-GTX777/GTX787/GTX888 SECTION 1 Note: 3 7 63 1515 0 This section is extracted GENERAL from instruction manual. Guide to parts and controls This manual mainly explains operations using the buttons on the unit, but the same operations can also be performed using the buttons on the remote having the same or similar names.
  • Page 7 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 ) METER MODE (page 32) Remote Press to select a preset display pattern. * Function buttons: CD (pages 15, 20, 24, 32, 33, 36) TUNER/BAND (pages 22, 32) Unit: TAPE (pages 29, 32)
  • Page 8 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 , PUSH ;OPEN/CLOSE 0 MIC (jack) (pages 39, 42, 53) (page 29) Connect an optional microphone. Press to insert or eject a tape. MIC LEVEL (pages 37, 39, 42) Tape deck (pages 29, 36, 40, 47) Turn to adjust the microphone volume.
  • Page 9 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 7 OPTIONS (pages 30, 31) F CLOCK/TIMER SELECT (page 40) Press to select the display pattern, MP3 BOOSTER+ function and USB CLOCK/TIMER SET (pages 19, SELECT. 8 DISPLAY (pages 19, 32, 32, 36) Press to set the clock and the timers.
  • Page 10 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 – Display " “ ( Lights up when the timer is set ” lights up during playback. “/9” lights up when playback is (page 39). ) Lights up when the Sleep Timer is paused.
  • Page 11 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 Using the subwoofers (MHC-GTX888 only) You can use the subwoofers to enhance the bass. Subwoofer A (SS-WG888A) Press SUBWOOFER ON/OFF on the subwoofer A to light up the indicator. The subwoofers are turned on.

  • Page 12: Disassembly

    HCD-GTX777/GTX787/GTX888 SECTION 2 DISASSEMBLY 3 7 63 1515 0 Note : This set can be disassembled in the order shown below. 2-1. CASE (TOP) (Page 13) 2-8. COVER (CDM) (Page 16) 2-2. LOADING PANEL (Page 13) 2-16. DRIVER BOARD, 2-15.

  • Page 13: Case (Top)

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 Note : Follow the disassembly procedure in the numerical order given. 2-1. CASE (TOP)  two screws RB two screws (+BVTP 3 x 10) (+BVTP 3 x 10)  panel (side-L)  two...

  • Page 14: Cd Block Section

    HCD-GTX777/GTX787/GTX888 Ver. 1.1 3 7 63 1515 0 2-3. CD BLOCK SECTION  w i r e ( f l a t t y p e ) ( 1 1 c o r e )  w i r e ( f l a t t y p e ) ( 1 3 c o r e )

  • Page 15: Tape Mechanism Deck, Mic Board, Usb Connector Board

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 2-5. TAPE MECHANISM DECK, MIC BOARD, USB CONNECTOR BOARD  tape mechanism deck  four screws (+BVTP 2.6 (3CR))  three screws (+BVTP 2.6 (3CR)) bracket (MIC shield)  three screws (+BVTP 2.6 (3CR))

  • Page 16: Cd-Sw Board

    HCD-GTX777/GTX787/GTX888 Ver. 1.1 3 7 63 1515 0 2-7. CD-SW BOARD  two screws (+BVTP 2.6 (3CR)) escucheon (CD) CD-SW board  three screws (+BVTP 2.6 (3CR)) L 13942296513 2-8. COVER (CDM), TC BOARD CD mechanism deck  cover (CDM)

  • Page 17: Tuner Pack

    HCD-GTX777/GTX787/GTX888 Ver. 1.1 3 7 63 1515 0 2-9. TUNER PACK  t u n e r p a c k  w i r e ( f l a t t y p e ) ( 9 c o r e )

  • Page 18: Main Board

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 2-11. MAIN BOARD P O W E R b o a r d a s s y  M A I N b o a r d C N 8 0 9 ( 9 p i n )

  • Page 19: Subwoofer Board, Power Board

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 2-13. SUBWOOFER BOARD, POWER BOARD  two screws (+BV3 (3-CR))  SUBWOOFER board  two screws (transistor)  heat sink assy  POWER board  two screws (transistor) L 13942296513 2-14. POWER TRANSFORMER (T1200)

  • Page 20: Bd93 Board

    HCD-GTX777/GTX787/GTX888 Ver. 1.1 3 7 63 1515 0 2-15. BD93 BOARD  BD93 board  wire (flat type) (16 core)  Remove the four solders. (CN301) L 13942296513 2-16. DRIVER BOARD, SW BOARD, USB R BOARD  two screws (+BVTT (M2.6))

  • Page 21: Optical Pick-Up

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 2-17. OPTICAL PICK-UP  optical pick-up (BU-K6BD93UR)  two insulators  two insulators  two coil springs  two coil springs (insulator) (insulator)  two floating screws (+PTPWH M2.6)  two floating screws (+PTPWH M2.6)

  • Page 22: Motor (Tb) Board

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 2-19. MOTOR (TB) BOARD  stopper table  stopper  t able motor assy (M741)  wire (flat type) (5 core) (CN742)  MOTOR (TB) board  Remove the two solderings of motor.

  • Page 23: Test Mode

    HCD-GTX777/GTX787/GTX888 SECTION 3 3 7 63 1515 0 TEST MODE 3. Press [EQ BAND/MEMORY] button repeatedly until a message [GC TEST MODE] “GEQ FLAT” appears on the fl uorescent indicator tube. GEQ • This mode is used to check the fl uorescent indicator tube, LEDs, buttons, MASTER VOLUME knob, OPERATION DIAL knob, is set to fl...
  • Page 24 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 [CD SERVICE MODE] • Aging mode sequence: • This mode let you move the CD sled motor freely. Use this mode when you want to clean the optical pick-up. START Procedure: 1. Press ?/1 button to turn on the system.
  • Page 25 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 [CD ERROR CODE MODE] : The process when trouble occurs : Process ejecting DISC • Display the CD error code when an error occurred. : Process waiting for inserting DISC Procedure: : Process sending request to insert a disc to upper 1.
  • Page 26 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 [CD REPEAT 5 LIMIT OFF MODE] [CD TRAY LOCK MODE] • The number of repeat for CD playback is 5 times when the re- • This mode let you lock the disc tray. When this mode is activated, the disc tray will not open when [OPEN/CLOSE] button or [DISC peat mode is “REPEAT ALL”.

  • Page 27: Mechanical Adjustments

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 [METER SWITCH TOUCH COUNT DISPLAY] SECTION 4 • This mode is used to display the total count of meter pointer MECHANICAL ADJUSTMENTS touch initial switch and max switch. Procedure: Precaution 1. Press button to turn on the system.

  • Page 28: Electrical Adjustments

    HCD-GTX777/GTX787/GTX888 SECTION 5 3 7 63 1515 0 ELECTRICAL ADJUSTMENTS 0 dB = 1 µV 0 dB = 0.775 V TUNER SECTION DECK SECTION [FM Tune Level Check] 1. Demagnetize the record/playback head with a head demagnetizer. FM signal generator 2.
  • Page 29 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 3. Mode: Playback CD SECTION test tape [TEST DISC LIST] P-4-A100 oscilloscope (10 kHz, –10 dB) Use the following test disc on test mode. L-CH • CD: YEDS-18 (PART No. 3-702-101-01) PATD-012 (PART No. 4-225-203-01)
  • Page 30 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 [RF LEVEL CHECK] oscilloscope BD93 board TP123(RFO) TP124(VC) – Procedure : 1. Connect an oscilloscope to TP123 (RFO) and TP124 (VC). 2. Turn the power on. 3. Load a disc (YEDS-18) and playback.

  • Page 31: Block Diagram - Rf/Servo Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 32: Block Diagram - Tape/Tuner Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 33: Block Diagram - Main Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 34: Block Diagram - Usb Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 35: Block Diagram - Amp/Subwoofer Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 36: Block Diagram - Display/Power Section

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 37: Circuit Boards Location

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 6-7. CIRCUIT BOARDS LOCATION SENSOR board BD93 board SW board MOTOR (TB) board MOTOR (LD) board USB R board TC board PANEL FUNCTION board DRIVER (F) board ILLUMINATION board METER DISPLAY board JOG board...
  • Page 38 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 • Note For Printed Wiring Boards And Schematic Diagrams Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. (p: pF) •...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 40: Printed Wiring Board - Bd93 Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 41: Schematic Diagram - Bd93 Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 42: Printed Wiring Boards - Driver Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 43: Schematic Diagram - Driver Board

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  • Page 44: Printed Wiring Board - Main Board

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  • Page 45: Schematic Diagram - Main Board (1/4)

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  • Page 46: Schematic Diagram - Main Board (2/4)

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  • Page 47: Schematic Diagram - Main Board (3/4)

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  • Page 48: Schematic Diagram - Main Board (4/4)

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  • Page 49: Printed Wiring Board - Usb Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 50: Schematic Diagram - Usb Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 51: Printed Wiring Board - Panel Function Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 52: Schematic Diagram - Panel Function Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 53: Printed Wiring Board - Power Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 54: Schematic Diagram - Power Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 55: Printed Wiring Board - Sub Woofer Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 56: Schematic Diagram - Sub Woofer Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 57: Printed Wiring Boards - Trans Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 58: Schematic Diagram - Trans Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 59: Printed Wiring Board - Illumination Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 60: Schematic Diagram - Illumination Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 61: Printed Wiring Board - Mic Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 62: Schematic Diagram - Mic Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 63: Printed Wiring Boards - Tc Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 C351 u163 http://www.xiaoyu163.com...

  • Page 64: Schematic Diagram - Tc Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 65: Printed Wiring Boards - Meter Display Board

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  • Page 66: Schematic Diagram - Meter Display Board

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 67 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 • IC Block Diagrams IC501 AK5358AET-E2 (BD93 Board) SCLK G· Decimation AINR Filter Modulator Serial I/O Interface G· Decimation AINL Modulator Filter Clock CKS1 MCLK Divider Voltage LRCK VCOM Reference SDTO L 13942296513 IC401 BA5826SFP-E2 (BD93 Board) SP–...
  • Page 68 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 IC502 TC74VHC157FT(EKJ) (BD93 Board) IC200 TC74VHC157FT(EKJ) (MAIN Board) SELECT 11 1 1A 2 STROBE INPUT INPUT OUTPUT 11 12 OUTPUT INPUT INPUT OUTPUT GND 8 OUTPUT IC201 TK63115SCL-G@GT (BD93 Board) VIN 1 VOUT...
  • Page 69 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 IC001 LB1846M (METER DISPLAY Board) 10µF 30k7 30k7 OUT 4 OUT 3 30k7 30k7 Stepping Motor 30k7 30k7 OUT 1 OUT 2 30k7 30k7 L 13942296513 IC915 R5523N001B-TR-F (USB Board) GATE CURRENT CONTROL...
  • Page 70 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 IC921 IS61LV6416-10TLT (USB Board) Decoder I/O0 I/O15 I/O Data I/O Data Circuit Circuit I/O1 I/O14 (Lower Byte) (Upper Byte) I/O13 I/O2 I/O3 I/O12 Column I/O I/O4 I/O11 Control I/O5 I/O10 64k x 16...
  • Page 71 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 IC601 STK412-150C (POWER Board) IC602 STK412-150C (POWER Board) COM1 DRIVER DRIVER CURRENT CURRENT LIMITER LIMITER COM2 L 13942296513 IC1100 NJM4558V-TE2 (MIC Board) IC51 NJM4558M-TE2 (MAIN Board) IC100 NJM4558M-TE2 (MAIN Board) IC502 NJM4558M-TE2 (MAIN Board)
  • Page 72 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 IC201 TC74HC4066AFT(EL) (MAIN Board) IC202 TC74HC4066AFT(EL) (MAIN Board) 1I/O 1O/I 2 2O/I 3 4I/O 2I/O 4 4O/I 2C 5 3O/I 3C 6 GND 7 3I/O IC500 TC74LVX4051FT (MAIN Board) L 13942296513 12 13 14 15 16...
  • Page 73 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 IC900 BU2099FV (PANEL FUNCTION Board) IC902 BU2099FV (PANEL FUNCTION Board) Latch Controller Shift Write Register Buffer L 13942296513 IC675 S-24CS16A01-J8T1G (MAIN Board) DATA OUTPUT ACK OUTPUT CONTROLLER Y DECODER SELECTOR ADDRESS PROM X DECODER...
  • Page 74 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 • IC Pin Function Descriptions IC401 R5F3640MDFAR (System Controller) Main board Pin No. Pin Name Pin Description Zipang decoder request pin to master control. Reset signal output to the Zipang IC (digital signal processor) “L”:reset M-MUTE Control port for Zipang motor driver mute.
  • Page 75 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 Pin No. Pin Name Pin Description SW-SPK-RELAY Relay drive signal output for the passive sub woofer “H”:relay on Speaker protect detection signal input from speaker protect circuit “L”:protector on PROTECTOR FAN HI SPEED Fan high speed control signal for Themal VACS, “L”: Fan high speed on.
  • Page 76 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 • IC Pin Function Descriptions IC101 TC94A70FG-101 (RF AMP, FOCUS/TRACKING ERROR AMP, DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, DIGITAL FILTER, D/A CONVERTER) (BD93 BOARD) Pin No. Pin Name Pin Description AVSS3 — Ground pin...
  • Page 77 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 Pin No. Pin Name Pin Description SBSY Subcode block sync signal output to the system controller SBOK/FOK Not used in this set. (Open) Not used in this set. (Open) SFSY/LOCK Not used in this set. (Open) ZDET Zero detection signal output Not used in this set.
  • Page 78 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 • IC Pin Function Descriptions IC901 TMP92CD28AFG-6VD8 (USB CONTROLLER) (USB BOARD) Pin No. Pin Name Pin Description RESET Reset signal input from the system controller “L”: reset PC0/INT0 Ready to send signal input from the system controller PC1/INT1 Not used in this set.
  • Page 79 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 Pin No. Pin Name Pin Description PF2/SCLK0/CTS0/ Serial data transfer clock signal output CLK/TB0OUT0 PF3/TXD1/SPDO Serial data signal output to the system controller PF4/RXD1/SPDI Serial data signal input from the system controller PF5/SCLK1/CTS1/SPCLK Not used in this set.

  • Page 80: Exploded Views

    HCD-GTX777/GTX787/GTX888 SECTION 7 3 7 63 1515 0 EXPLODED VIEWS NOTE: • Accessories are given in the last of this • The mechanical parts with no reference parts list. The components identifi ed by mark 0 or dotted line with mark number in the exploded views are not 0 are critical for safety.

  • Page 81: Back Panel Section

    HCD-GTX777/GTX787/GTX888 Ver. 1.1 3 7 63 1515 0 7-2. BACK PANEL SECTION T U 9 0 1 n o t s u p p l i e d ( S u b T r a n s B o a r d )

  • Page 82: Front Panel Section (1)

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 7-3. FRONT PANEL SECTION (1) not supplied not supplied (USB CONNECTOR board) L 13942296513 not supplied front panel section (2) (MIC board) Ref. No. Part No. Description Remark 1-921-201-91 WIRE (FLAT TYPE) (11 CORE) 3-087-053-01 +BVTP2.6 (3CR)

  • Page 83: Front Panel Section (2)

    HCD-GTX777/GTX787/GTX888 Ver. 1.1 3 7 63 1515 0 7-4. FRONT PANEL SECTION (2) METER DISPLAY ASSY not supplied (PANEL FUNCTION board) not supplied (CD-SW board) not supplied (ILLUMINATION board) not supplied (JOG board) L 13942296513 not supplied supplied with S935 not supplied Ref.

  • Page 84: Meter Display Assy

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 7-5. METER DISPLAY ASSY not supplied (METER DISPLAY board) not supplied (METER SWITCH board) not supplied L 13942296513 (METER LED board) Ref. No. Part No. Description Remark 4-218-253-42 SCREW (M2-6), +BTTP 1-787-718-11 STEPPING MOTOR...

  • Page 85: Chassis Section

    HCD-GTX777/GTX787/GTX888 Ver. 1.1 3 7 63 1515 0 7-6. CHASSIS SECTION not supplied not supplied (Trans board) (Subwoofer board) F1271 F1261 F1281 not supplied F1251 F1241 F1282 PT1201 L 13942296513 M893 Ref. No. Part No. Description Remark Ref. No.

  • Page 86: Cd Mechanism Section (1)

    HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 7-7. CD MECHANISM SECTION (1) (CDM74KF-K6BD93UR-WOD) L 13942296513 M741 CD mechanism section-2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-218-253-42 SCREW (M2.6), +BTTP 4-243-820-01 GEAR (TABLE) 1-828-938-11 WIRE (FLAT TYPE) (5 CORE) (EXCEPT MX)

  • Page 87: Cd Mechanism Section (2)

    HCD-GTX777/GTX787/GTX888 Ver. 1.1 3 7 63 1515 0 7-8. CD MECHANISM SECTION (2) (CDM74KF-K6BD93UR-WOD) RE701 M751 S201 L 13942296513 n o t s u p p l i e d ( T C B o a r d ) Ref.

  • Page 88: Electrical Parts List

    HCD-GTX777/GTX787/GTX888 SECTION 6 3 7 63 1515 0 BD93 ELECTRICAL PARTS LIST The components identifi ed by mark 0 or Note: • COILS dotted line with mark 0 are critical for safety. • Due to standardization, replacements in uH: µH Replace only with part number specifi...
  • Page 89 HCD-GTX777/GTX787/GTX888 BD93 CD SW 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC502 6-707-870-01 IC TC74VHC157FT (EKJ) R222 1-216-845-11 METAL CHIP 100K 1/10W R223 1-216-845-11 METAL CHIP 100K 1/10W < TRANSISTOR >...
  • Page 90 HCD-GTX777/GTX787/GTX888 DRIVER (F) ILLUMINATION 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1103-756-B DRIVER (F) BOARD, COMPLETE (MX) ILLUMINATION BOARD A-1126-591-A DRIVER (F) BOARD, COMPLETE (EXCEPT MX) **************************** ************************ < CONNECTOR >...
  • Page 91 HCD-GTX777/GTX787/GTX888 Ver. 1.1 ILLUMINATION MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S924 1-771-410-21 SWITCH, TACTILE (PRESET EQ) (EXCEPT AEP) 1-126-964-11 ELECT 10uF S925 1-762-875-21 SWITCH, KEYBOARD 1-126-964-11 ELECT...
  • Page 92 HCD-GTX777/GTX787/GTX888 Ver. 1.1 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C120 1-126-963-11 ELECT 4.7uF C416 1-126-916-11 ELECT 1000uF 6.3V C417 1-115-416-11 CERAMIC CHIP 0.001uF C121 1-126-961-11 ELECT 2.2uF...
  • Page 93 HCD-GTX777/GTX787/GTX888 Ver. 1.1 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C2057 1-107-826-11 CERAMIC CHIP 0.1uF < IC > (GTX888) C2058 1-110-563-11 CERAMIC CHIP 0.068uF IC50 6-712-027-01 IC R2A15216FP...
  • Page 94 HCD-GTX777/GTX787/GTX888 Ver. 1.1 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JR136 1-216-296-11 SHORT CHIP Q221 8-729-620-07 TRANSISTOR 2SC3052EF-T1-LEF Q222 8-729-027-44 TRANSISTOR DTC114TKA-T146 JR137 1-216-296-11 SHORT CHIP JR138 1-216-296-11...
  • Page 95 HCD-GTX777/GTX787/GTX888 Ver. 1.1 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-821-11 METAL CHIP 1/10W R131 1-249-401-11 CARBON 1/4W 1-216-833-11 METAL CHIP 1/10W R132 1-216-809-11 METAL CHIP 1/10W 1-216-821-11...
  • Page 96 HCD-GTX777/GTX787/GTX888 Ver. 1.1 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R331 1-216-825-11 METAL CHIP 2.2K 1/10W R461 1-216-809-11 METAL CHIP 1/10W R465 1-216-821-11 METAL CHIP 1/10W R341 1-216-833-11...
  • Page 97 HCD-GTX777/GTX787/GTX888 MAIN METER DISPLAY 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R536 1-216-841-11 METAL CHIP 1/10W METER DISPLAY BOARD ****************************** R538 1-216-825-11 METAL CHIP 2.2K 1/10W R539 1-216-845-11 METAL CHIP...
  • Page 98 HCD-GTX777/GTX787/GTX888 METER DISPLAY MOTOR PANEL FUNCTION 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark METER DISPLAY SW BOARD R1170 1-216-821-11 METAL CHIP 1/10W *********************************** R1173 1-216-833-11 METAL CHIP 1/10W < RESISTOR >...
  • Page 99 HCD-GTX777/GTX787/GTX888 PANEL FUNCTION 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R988 1-216-821-11 METAL CHIP 1/10W D915 6-502-469-01 DI SLI-325URT31 (GROOVE) R1070 1-216-833-11 METAL CHIP 1/10W D918 8-719-032-28 DIODE MA8027-H-TX...
  • Page 100 HCD-GTX777/GTX787/GTX888 PANEL JOG POWER 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < CONNECTOR > PANEL JOG BOARD ************************ CN601 1-785-315-11 PIN, CONNECTOR (STRAIGHT) 3P * CN610 1-774-876-21 CONNECTOR, BOARD TO BOARD 8P <...
  • Page 101 HCD-GTX777/GTX787/GTX888 Ver. 1.1 POWER SENSOR SUB TRANS 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R609 1-216-843-11 METAL CHIP 1/10W R692 1-216-841-11 METAL CHIP 1/10W R695 1-216-845-11 METAL CHIP 100K...
  • Page 102 HCD-GTX777/GTX787/GTX888 SUB TRANS SUB WOOFER 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D1202 6-501-579-01 DIODE MC2837 < IC > D1210 6-500-335-01 DIODE MC2838-T112-1 IC800 6-710-842-01 IC STK433-130-E < TRANSFORMER >...
  • Page 103 HCD-GTX777/GTX787/GTX888 Ver. 1.1 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > 1-687-669-12 SW BOARD ************** D301 6-501-722-01 DIODE MAZ8043GMLS0 < SWITCH > D401 6-500-335-01 DIODE MC2838-T112-1 S751...
  • Page 104 HCD-GTX777/GTX787/GTX888 Ver. 1.1 TRANS USB R 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R404 1-216-841-11 METAL CHIP 1/10W TRANS BOARD R405 1-216-841-11 METAL CHIP 1/10W ****************** R406 1-216-841-11 METAL CHIP 1/10W <...
  • Page 105 HCD-GTX777/GTX787/GTX888 Ver. 1.1 USB R USB CONNECTOR 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C913 1-107-826-11 CERAMIC CHIP 0.1uF R934 1-216-833-11 METAL CHIP 1/10W C914 1-107-826-11 CERAMIC CHIP 0.1uF...
  • Page 106 HCD-GTX777/GTX787/GTX888 Ver. 1.1 USB CONNECTOR 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > R1054 1-216-819-11 METAL CHIP 1/10W R1056 1-216-819-11 METAL CHIP 1/10W R1057 1-216-864-11 SHORT CHIP...
  • Page 107 http://www.xiaoyu163.com HCD-GTX888/GTX777/GTX787 3 7 63 1515 0 MEMO L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 108 HCD-GTX777/GTX787/GTX888 3 7 63 1515 0 REVISION HISTORY Checking the version allows you to jump to the revised page. Also, clicking the version at the top of the revised page allows you to jump to the next revised page.

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