Sony HCD-GTR6 Service Manual

Sony HCD-GTR6 Service Manual

Compact disc deck receiver
Table of Contents

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HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
SERVICE MANUAL
Ver. 1.0 2009. 05
• HCD-GTR6/GTR7/GTR8
are the tuner, CD and
amplifi er section in
MHC-GTR6/GTR7/GTR8
• HCD-GTR6B/GTR8B
are the tuner, deck, CD and
amplifi er section in
MHC-GTR6/GTR7/GTR8
AUDIO POWER SPECIFICATION
Amplifi er section
MHC-GTR8 (HCD-GTR8/HCD-GTR8B)
The following are measured at
Mexican model:
AC 127 V, 60 Hz
Other models:
AC 120, 220, 240 V, 50/60 Hz
Front/Surround speaker
210 W + 210 W (at 6 Ω, 1 kHz, 1% THD,
Power Output (rated):
at LINK MODE)
Front speaker
RMS output power (reference):
280 W + 280 W (per channel at 8 Ω,
1 kHz, 10% THD)
Surround speaker
RMS output power (reference):
110 W + 110 W (per channel at 24 Ω,
1 kHz, 10% THD)
Subwoofer
RMS output power (reference):
160 W + 160 W (per channel at 6 Ω,
100 Hz, 10% THD)
9-890-515-01
Sony Corporation
2009E08-1
Audio & Video Business Group
© 2009. 05
Published by Sony EMCS (Malaysia) PG Tec
Photo : HCD-GTR8B (E Model)
CD
Section
Tape Deck Section
only for HCD-GTR6B/GTR8B
SPECIFICATIONS
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-up Name
Model Name Using Similar Mechanism
Tape Mechanism Type
MHC-GTR7 (HCD-GTR7)
The following are measured at
Mexican model:
AC 127 V, 60 Hz
Other models:
AC 120, 220, 240 V, 50/60 Hz
Front/Surround speaker
215 W + 215 W (at 6 Ω, 1 kHz, 1% THD, at LINK MODE)
Power Output (rated):
Front speaker
RMS output power (reference):
285 W + 285 W (per channel at 8 Ω, 1 kHz, 10% THD)
Surround speaker
RMS output power (reference):
Subwoofer
RMS output power (reference):
COMPACT DISC DECK RECEIVER
E Model
Australian Model
HCD-GTR6B/GTR8B
NEW
CDM74HF-DVBU101//M
KHM-313CAB/C2NP
HCD-GTX777/GTX787/GTX888
CFP42608
110 W + 110 W (per channel at 24 Ω,
1 kHz, 10% THD)
210 W (at 8 Ω, 100 Hz, 10% THD)
– Continued on next page –
1

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Summary of Contents for Sony HCD-GTR6

  • Page 1 160 W + 160 W (per channel at 6 Ω, – Continued on next page – 100 Hz, 10% THD) COMPACT DISC DECK RECEIVER 9-890-515-01 Sony Corporation 2009E08-1 Audio & Video Business Group © 2009. 05 Published by Sony EMCS (Malaysia) PG Tec...
  • Page 2 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. RE- PLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
  • Page 3 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 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-GTR6/GTR6B/GTR7/GTR8/GTR8B MODEL IDENTIFICATION • Abbreviation : 120V AC area in E model – MODEL NUMBER LABEL – : 240V AC area in E model E51 : Chilean and Peruvian model : Argentina model AUS : Australian model MX : Mexican model...
  • Page 5: Table Of Contents

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B TABLE OF CONTENTS 5. DIAGRAMS 1. DISASSEMBLY 5-1. Block Diagram — USB Section — ........22 1-1. Case (Top) ................7 5-2. Block Diagram — RF/Servo Section — ......23 5-3. Block Diagram — Tape/Tuner Section — ......24 1-2.
  • Page 6: Disassembly

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B SECTION 1 DISASSEMBLY Note : This set can be disassembled in the order shown below. 1-1. CASE (TOP) (Page 7) 1-8. SUBTRANS BOARD (Page 10) 1-2. TAPE MECHANISM DECK (Page 7) 1-16. OPTICAL PICK-UP 1-15. DRIVER MT BOARD, 1-3.
  • Page 7: Case (Top)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B Note : Follow the disassembly procedure in the numerical order given. 1-1. CASE (TOP) (TC CASE TOP only for HCD-GTR6B/ GTR8B) CN020 (8P) two screws two screws (+BVTP 3 x 8) (+BVTP 3 x 8) panel (side-L) case (top)
  • Page 8: Loading Panel

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 1-3. LOADING PANEL loading panel CD mechanism deck (CDM74KF) Turn the gear to the direction of the arrow. chassis side gear By using (-) screw driver Pull-out the disc tray. 1-4. FRONT PANEL SECTION CN400 (13P) wire (flat type) (11 core)
  • Page 9: Mic Board, Usb Board, Micrv Board, Headphone Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 1-5. MIC BOARD, USB BOARD, MICRV BOARD, HEADPHONE BOARD USB board six screws (+BVTP 2.6 (3CR)) GROUND PLATE (USB) one screw (+BVTP 2.6 (3CR)) Headphone board two screws (+BVTP 2.6 (3CR)) Shield Plate (MIC) MIC board one screws (+BVTP 2.6 (3CR))
  • Page 10: Tuner Pack

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 1-7. TUNER PACK wire (flat type) (5 core) (CN1) tuner pack two screws (+BVTT 3 x 8) 1-8. SUBTRANS BOARD Bracket (Subtrans) CN1203 (4P) CN1200 (2P) CN1201 (4P), CN1202 (2P) SUBTRANS board two screws two screws (+BVTP 3 x 8)
  • Page 11: Dc Fan, Power Transformer (T1200)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 1-9. DC FAN, POWER TRANSFORMER (PT1250) four screws (+BVTT 4 x 8) TRANS board CN1250 (13P) power transformer (PT1250) CN320 (3P) two screws (+BVTP 3 x 8) Fan, DC Bracket Fan two screws (+BVTP 3 x 10) 1-10. MAIN BOARD, FRONT BOARD SECTION...
  • Page 12: Front Board, Gth Subwoofer Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 1-11. FRONT BOARD, SUBWOOFER BOARD two screws (+BVTP 3 x 8) two screws (transistor) Front board heat sink assy Bracket (PWB) two screws two screws (+BVTP 3 x 8) (+BVTP 3 x 8) Bracket (PWB) two screws Bracket (PC)
  • Page 13: Cd Block Section

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 1-13. CD BLOCK SECTION three screws (+BVTP 3 x 8) Bracket (TRANS) Cover Dust CDM Assy two screws two screws (+BVTP 3 x 8) (+BVTP 3 x 8) Cover Dust (Bottom) CD block section Bracket (CDM Support) Bracket (CDM Support)
  • Page 14: Driver Mt Board, Sw Mt Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 1-15. DRIVER MT BOARD, SW MT BOARD two screws (+BVTT (M2.6)) CN703 (4P) DRIVER MT board one screw (+BVTT (M2.6)) SW MT board CN704 (2P) wire (flat type) (5 core) (CN702) 1-16. OPTICAL PICK-UP floating screw (+PTPWH M2.6) CD assy...
  • Page 15: Sensor Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 1-17. SENSOR BOARD floating screw (+PTPWH M2.6) t ray one screw (+BTTP (M2.6)) b elt (table) SENSOR board floating screw (+PTPWH M2.6) p ulley (table) floating screw CN731 (+PTPWH M2.6) (3P) g ear (geneva) 1-18. MOTOR (TB) BOARD stopper...
  • Page 16: Motor (Ld) Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 1-19. MOTOR (LD) BOARD two screws (+BTTP (M2.6)) Remove the two solderings of motor. MOTOR (LD) board l oading motor assy (M751) b elt (loading)
  • Page 17: Test Mode

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B SECTION 2 TEST MODE 4. When the [VOLUME] knob is turned clockwise even slightly, [GC TEST MODE] the sound volume increases to its maximum and a message • This mode is used to check the fl uorescent indicator tube, LEDs, “VOLUME MAX”...
  • Page 18 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 3. The VACS Level Display, the fl uorescent indicator tube dis- [CD SHIP MODE (WITH MEMORY CLEAR)] plays “VATB F APC”. “V” represent VACS , A represent • This mode moves the optical pick-up to the position durable to VACS level which is triggered by signal level, “T”...
  • Page 19: Mechanical Adjustments

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B SECTION 3 MECHANICAL ADJUSTMENTS (only for HCD-GTR6B/GTR8B) Precaution 1. Clean the following parts with a denatured alcohol-moistened swab: record/playback heads pinch rollers erase head rubber belts capstan idlers 2. Demagnetize the record/playback head with a head demagne- tizer. 3. Do not use a magnetized screwdriver for the adjustments.
  • Page 20: Electrical Adjustments

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B SECTION 4 ELECTRICAL ADJUSTMENTS 0 dB = 1 µV 0 dB = 0.775 V TUNER SECTION DECK SECTION (only for HCD-GTR6B/GTR8B) [FM Tune Level Check] FM signal generator 1. Demagnetize the record/playback head with a head demagnetizer. 2. Do not use a magnetized screwdriver for the adjustments.
  • Page 21 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 3. Mode: Playback test tape P-4-A100 oscilloscope (10 kHz, –10 dB) L-CH R-CH waveform of oscilloscope in phase 45 good wrong 4. After the adjustments, apply suitable locking compound to the parts adjusted. Adjustment Location: Playback Head (Deck). Reverse...
  • Page 22: Diagrams

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM — USB SECTION — IC1501 USB CONTROLLER USB_DP USBUP_DP RF/SERVO SECTION USBUP_DM USB_DM (Page 23) VBUS_B CN1000 D- B USBDN2_DM D+ B USBDN2_DP (USB) XTAL1/CLKIN VBUS_A X1500 24MHz CN1001 D- A XTAL2 USBDN1_DM...
  • Page 23: Block Diagram - Rf/Servo Section

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-2. BLOCK DIAGRAM — RF/SERVO SECTION — CN105 RFMON (FOR TEST) RFIP OPOUT RF_C GPIO19 DOUT RF_B MAIN STEREO DETECTOR L IN VINL RF_A GPIO SCKI SECTION RF_D CONVERTER (Page 25) LRCK GPIO IC4601 GPIO RF_E RF_F MCLK LOUT...
  • Page 24: Block Diagram - Tape/Tuner Section

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-3. BLOCK DIAGRAM — TAPE/TUNER SECTION — GTR6B/8B IC451 MAIN SECTION OP-AMP TAPE_PB-L (Page 25) Q456 DECK L - CH Q402, Q404 REC/PB Q407 HEAD R - CH R-CH Q406 IC450 MAIN REC EQ REC-OUT-L R-CH MUTE SECTION (Page 25)
  • Page 25: Block Diagram - Main Section

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-4. BLOCK DIAGRAM — MAIN SECTION — IC400 INPUT SELECT SWITCH IC251 R-IN RECAR RF/SERVO SECTION RECAL L-IN (Page 23) USB RECORD PREAMP TAPE/TUNER RECBL REC OUT L SECTION (Page 24) J1001 IC252 AMP/SUBWOOFER 44 PC-L FL-IN OUTL SECTION...
  • Page 26: Block Diagram - Amp/Subwoofer Section

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-5. BLOCK DIAGRAM — AMP/SUBWOOFER SECTION — DBFB F/B MAIN SECTION J1005 POWER AMP (Page 25) HEADPHONE IC1301: GTR7/8/8B IC1300: GTR6/6B GTR7/8 D104 RY1301 FL-IN JK1301 FRONT SPEAKER MAIN FR-IN SECTION (Page 25) GTR7/8 Q1303,1308 OVERLOAD DETECT JK1300 Q1309,Q1310...
  • Page 27: Block Diagram - Display/Power Section

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-6. BLOCK DIAGRAM — DISPLAY/POWER SECTION — D900 GTR7/8/8B Q900 LED +9V D919 SWITCH D1020 IC500 (6/6) IC901 D1021 LATCH SYSTEM CONTROL D901 D1022 STBY LED EVER 3.3V PT1250 2 LED DRIVER-DATA POWER D923-928 TRANSFORMER LED DRIVER-CLOCK F1261 D1314...
  • Page 28: Circuit Boards Location

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-7. CIRCUIT BOARDS LOCATION • 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 29 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B • Waveforms — DMB19 BOARD — (CD PLAY) — MAIN BOARD — IC101 (RF-A) IC500 (XC-OUT) Approx. 2 Vp-p 300 mVp-p 32.768 kHz 100 mV/DIV, 20 msec/DIV 1 V/DIV, 0.02 msec/DIV IC101 (RF-B) IC500 (X-OUT) Approx. 2 Vp-p 150 mVp-p...
  • Page 30: Printed Wiring Board - Display Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-8. PRINTED WIRING BOARD — DISPLAY BOARD — • Refer to page 28 for Circuit Boards Location. : Uses unleaded solder. DISPLAY BOARD R900 TP982 TP980 R901 Q900 TP981 GTR6B/GTR8B D900 S901 TP984 REC TO TAPE D901 R902 TP983...
  • Page 31: Schematic Diagram - Display Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-9. SCHEMATIC DIAGRAM — DISPLAY BOARD — • Refer to page 22 Block Diagrams. DISPLAY BOARD ND900 VACUUM FLUORESENT DISPLAY LGND PGND LATCH DATA R996 3.3k TP950 C912 Q903 C907 100p R926 C905 2SC3052EF-T1-LEF R925 SWITCH 6.3V R902 R998...
  • Page 32: Printed Wiring Boards - Dmb19 Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-10. PRINTED WIRING BOARDS — DMB19 BOARD — • Refer to page 28 for Circuit Boards Location. : Uses unleaded solder. (SIDE A) (SIDE B) DMB19 BOARD DMB19 BOARD MAIN BOARD BOARD CN090 CN1556 (Page 39) (Page 55) JL007...
  • Page 33: Schematic Diagram - Dmb19 Board (1/4)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-11. SCHEMATIC DIAGRAM — DMB19 BOARD (1/4) — • Refer to page 59 for IC Block Diagrams. DMB 19 BOARD (1/4) DMB 19 BOARD (2/4),(3/4),(4/4) IC B/D (Page 34,35,36) DGND IC4601 DMB 19 STEREO A/D CONVERTER BOARD DVDD5V IC4601...
  • Page 34: Schematic Diagram - Dmb19 Board (2/4)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-12. SCHEMATIC DIAGRAM — DMB19 BOARD (2/4) — • Refer to page 59 for IC Block Diagrams. DMB 19 BOARD (2/4) DMB 19 IC111 MM1661JHBE BOARD Cont (1/4),(3/4),(4/4) IC111 C188 470p (Page 33,35,36) 1.2V REG C183 R1178 DMB 19 BOARD DVDD3.3V...
  • Page 35: Schematic Diagram - Dmb19 Board (3/4)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-13. SCHEMATIC DIAGRAM — DMB19 BOARD (3/4) — • Refer to page 29 for Waveforms DMB 19 BOARD (3/4) DMB 19 DGND BOARD (1/4),(2/4),(4/4) ADIN DMB 19 (Page 33,34,36) ACLK BOARD ABCK (1/4) ALRCK (Page 33) ASDATA0 R1248 DMB 19...
  • Page 36: Schematic Diagram - Dmb19 Board (4/4)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-14. SCHEMATIC DIAGRAM — DMB19 BOARD (4/4) — • Refer to page 59 for IC Block Diagrams. DMB 19 BOARD (4/4) DMB 19 BOARD REG02 (2/4) DMB 19 IOPMON REG01 (Page 34) BOARD (2/4) DMB 19 (Page 34) SPFG...
  • Page 37: Printed Wiring Board - Front Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-15. PRINTED WIRING BOARD — FRONT BOARD — • Refer to page 28 for Circuit Boards Location. : Uses unleaded solder. MAIN MAIN BOARD BOARD CN200 CN100 (Page 39) (Page 39) FRONT BOARD (CHASSIS) GTR7/GTR8/GTR8B CN1300 B1301 RY1301 CN1302...
  • Page 38: Schematic Diagram - Front Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-16. SCHEMATIC DIAGRAM — FRONT BOARD — • Refer to page 22 for Block Diagrams. FRONT BOARD NO1300 PWR GND C1338 PWR GND TRANS BOARD CN1250 C1337 (Page 50) IC1300 IC1300 STK412-770-E : GTR6/GTR6B : GTR6/GTR6B IC1301 STK412-750-E : GTR7/GTR8/GTR8B...
  • Page 39: Printed Wiring Board - Main Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-17. PRINTED WIRING BOARD — MAIN BOARD — • Refer to page 28 for Circuit Boards Location. : Uses unleaded solder. SUB TRANS HEADPHONE MIC CD FRONT BOARD BOARD BOARD BOARD MAIN BOARD CN1203 NO1013 NO1002 CN1302 FM 75...
  • Page 40: Schematic Diagram - Main Board (1/5)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-18. SCHEMATIC DIAGRAM — MAIN BOARD (1/5) — • Refer to page 22 for Block Diagrams. • Refer to page 29 for Waveforms. • Refer to page 59 for IC Block Diagrams. MAIN BOARD (1/5) NO050 JL011 AC CUT DETECT...
  • Page 41: Schematic Diagram - Main Board (2/5)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-19. SCHEMATIC DIAGRAM — MAIN BOARD (2/5) — • Refer to page 22 for Block Diagrams. • Refer to page 59 for IC Block Diagrams. MAIN BOARD (2/5) CN070 ANTENNA E3,AUS,E4 D010 JL049 HRPE901 MA2J1110GLS0 ST-DOUT FM 75 REC/PB/ERASE...
  • Page 42: Schematic Diagram - Main Board (3/5)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-20. SCHEMATIC DIAGRAM — MAIN BOARD (3/5) — • Refer to page 22 for Block Diagrams. • Refer to page 59 for IC Block Diagrams. MAIN MAIN BOARD BOARD (1/5) (1/5) (Page 40) (Page 40) MAIN BOARD (3/5) CN400...
  • Page 43: Schematic Diagram - Main Board (4/5)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-21. SCHEMATIC DIAGRAM — MAIN BOARD (4/5) — • Refer to page 22 for Block Diagrams. • Refer to page 59 for IC Block Diagrams. MAIN MAIN FRONT MAIN MAIN MAIN BOARD BOARD BOARD BOARD BOARD BOARD (2/5) (1/5)
  • Page 44: Schematic Diagram - Main Board (5/5)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-22. SCHEMATIC DIAGRAM — MAIN BOARD (5/5) — • Refer to page 22 for Block Diagrams. MAIN BOARD (2/5) (Page 41) MAIN BOARD (5/5) Q696 2SD1859TV2Q JW620 +B SWITCH 5.0mm R666 R717 100k 1.5k C610 Q718 RT1N441C-TP-1 CONTROL SWITCH...
  • Page 45: Printed Wiring Board - Mic And Mic Rv Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-23. PRINTED WIRING BOARD — MIC CD AND MIC RV BOARD — • Refer to page 28 for Circuit Boards Location. : Uses unleaded solder. AUDIO INPUT MIC CD BOARD J1001 TP1078 TP1075 (CHASSIS) ET1000 R1003 R1004 J1004 TP1151...
  • Page 46: Schematic Diagram - Mic And Mic Rv Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-24. SCHEMATIC DIAGRAM — MIC CD AND MIC RV BOARD — • Refer to page 59 for IC Block Diagrams. MIC CD BOARD NO1002 AUDIO_GND TP1013 AUDIO_L TP1014 AUDIO_GND TP1015 AUDIO_R MAIN C1004 D1002 BOARD AUDIO_GND MC2840-T112-1 TP1012 CN400...
  • Page 47: Printed Wiring Board - Str And Cd_Sw Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-25. PRINTED WIRING BOARD — STR AND CD_SW BOARD — • Refer to page 28 for Circuit Boards Location. : Uses unleaded solder. CD_SW BOARD USB VCD BOARD NO1007 R995 R992 R991 R993 TP978 (Page 53) S954 S950 S951...
  • Page 48: Schematic Diagram - Str And Cd_Sw Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-26. SCHEMATIC DIAGRAM — STR AND CD_SW BOARD — • Refer to page 22 for Block Diagrams. STR BOARD R949 R951 R953 R937 R939 R941 R943 R945 R947 R955 R965 1.5k 1.5k 2.2k 3.3k 4.7k 6.8k GTR7/GTR8/GTR8B STOP TUNING + (CD)
  • Page 49: Printed Wiring Board - Trans And Sub Trans Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-27. PRINTED WIRING BOARD — TRANS AND SUB TRANS BOARD — • Refer to page 28 for Circuit Boards Location. : Uses unleaded solder. TRANS BOARD TP1262 *NOT REPLACEABLE: PT1250 BUILT IN TRANSFORMER D1255 D1253 D1254 D1256 C1255 TP1259...
  • Page 50: Schematic Diagram - Trans And Sub Trans Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-28. SCHEMATIC DIAGRAM — TRANS AND SUB TRANS BOARD — • Refer to page 22 for Block Diagrams. TP1263 TRANS BOARD AR, AUS, MX JW1296 15.0MM NO1296 E2-GTR6/7/8 PT1250 120/127V POWER TRANSFORMER F1231 (MAIN) T8AL/250V FH1230 FH1232 CN1250 220V...
  • Page 51: Printed Wiring Board - Subwoofer Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-29. PRINTED WIRING BOARD — SUBWOOFER BOARD — • Refer to page 28 for Circuit Boards Location. : Uses unleaded solder. SUBWOOFER BOARD IC800 JL801 :GTR7/GTR8/GTR8B EXCEPT MX C803 C853 C801 C851 JW828 R827 GTR7/GTR8/GTR8B M893 R851 JR804 DC FAN...
  • Page 52: Schematic Diagram - Subwoofer Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-30. SCHEMATIC DIAGRAM — SUBWOOFER BOARD — • Refer to page 22 for Block Diagrams. • Refer to page 59 for IC Block Diagrams. SUBWOOFER BOARD IC B/D IC800 SUBWOOFER POWER AMP 47k: GTR7 IC800 STK433-100-E : GTR7 68k: GTR8/GTR8B...
  • Page 53: Printed Wiring Boards - Headphone And Usb Cd Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-31. PRINTED WIRING BOARDS — HEADPHONE AND USB CD BOARD — • Refer to page 28 for Circuit Boards Location. : Uses unleaded solder. USB CD BOARD D1022 D1032 D1031 NO1007 D1020 D1027 NO1005 D1033 D1021 R1041 CN1000 CN1001...
  • Page 54: Schematic Diagram - Headphone And Usb Cd Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-32. SCHEMATIC DIAGRAM — HEADPHONE AND USB CD BOARD — USB_CD BOARD HEADPHONE BOARD D1022 C1060 D1050 FB1001 1L434FB12E0MDTZ1 MC2840-T112-1 C1061 1000p NO1007 TP1056 N01013 R1045 TP1034 TP1057 LED+9V FB1002 MAIN HP_R TP1033 HEADPHONE BOARD J1005 D GND C1062...
  • Page 55: Printed Wiring Board - Hub Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-33. PRINTED WIRING BOARDS — HUB BOARD — • Refer to page 28 for Circuit Boards Location. (SIDE A) (SIDE B) HUB BOARD HUB BOARD CN1501 R1508 R1509 USB_CD R1507 R1510 R1521 R1526 R1511 BOARD R1506 R1525 R1520 R1512...
  • Page 56: Schematic Diagram - Hub Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-34. SCHEMATIC DIAGRAM — HUB BOARD — • Refer to page 22 for Block Diagrams. • Refer to page 59 for IC Block Diagrams. HUB BOARD R1546 JL1511 JL1512 R1541 JL1516 C1510 JL1515 CN1554 C1507 C1508 JL1517 R1544 JL1514...
  • Page 57: Printed Wiring Board - Driver Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-35. PRINTED WIRING BOARDS — DRIVE BOARD — • Refer to page 28 for Circuit Boards Location. MOTOR (TB) BOARD (12) 1-687-134- SENSOR BOARD (12) 1-687-133- MAIN BOARD CN110 (Page 39) 1-687-132- (12) (DISC TRAY ADDRESS DETECT) SW BOARD...
  • Page 58: Printed Wiring Board - Driver Board

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 5-36. SCHEMATIC DIAGRAM — DRIVE BOARD — • Refer to page 22 for Block Diagrams. • Refer to page 59 for IC Block Diagrams. DRIVER (F) BOARD IC B/D IC701 R702 R701 D701 MTZJ-T-77-5.1A : MX MTZJ-T-72-5.1A : EXCEPT MX...
  • Page 59 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B • IC Block Diagrams IC107 TK11133CSCL-G (DMB19 Board) OVER HEAT & OVER CURRENT PROTECTION CONTROL CIRCUIT BANDGAP REFERENCE IC201 FAN8036L (DMB19 Board) (GND) REGVCC IN1- DO1- DO2+ OUT1 IN2+ DO2- IN2- PGND1 REGVCC REGVCC REGC1 OUT2 REGC2 RES1 REGVCC...
  • Page 60 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B IC4601 PCM1808PWR (DMB19 Board) LRCK Serial Interface DOUT Mode/ Format Control Clock SCKI Timing x 1/64 Control Decimation Filter with High-Pass Filter DGND Delta Sigma Delta Sigma Modulator Modulator DVDD Power Supply AVCC Antialias AGND VINL Reference VREF Antialias...
  • Page 61 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B IC1500 NJM2903V (TE2) (HUB Board) A OUTPUT A- INPUT B OUTPUT B- INPUT A+ INPUT B+ INPUT IC251 NJM4558M-TE2 (MAIN Board) IC252 NJM4558M-TE2 (MAIN Board) IC253 NJM4558V-TE2 (MAIN Board) IC254 NJM4558M-TE2 (MAIN Board) IC450 NJM4558M-TE2 (MAIN Board) IC451 NJM4558M-TE2 (MAIN Board)
  • Page 62 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B IC400 R2A15216FP (MAIN Board) INDL INDR REFERENCE 6 INPUT 6 INPUT SELECTOR SELECTOR INEL INER (R-CG) (L-CG) INFR INFL GAMFR GAMEL INGAINOUTR INGAINOUTL RECAR RECAL RECBR RECBL VOCAL CUT SURROUND OR DPL IN TREL TRER TONE TONE MID1L MID1R...
  • Page 63 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B IC800 STK433-130-E (SUB WOOFER Board) Pre Driver Pre Driver Bias Circuit 10 11 12 14 15 IC701 BA6956AN (DRIVE Board) IC712 BA6956AN (DRIVE Board) CONTROL LOGIC...
  • Page 64 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B MAIN BOARD IC500 R5F3640MDFAR (SYSTEM CONTROL) Pin No. Pin Name Desciption LED DRIVER-CLOCK Clock signal for LED Driver IC. LED DRIVER-DATA Data signal for LED Driver IC. STBY LED LED drive signal output of POWER indicator. SIRCS Remote control signal input METER BACKGROUND Meter Bachground LED port control.
  • Page 65 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B AUDIO IC CLOCK Serial data transfer clock signal output to audio signal IC, R2A15216FP AD SUPPLY CUT OFF Micom AD Vcc supply cut off MTK POWER CONTROL MTK IC Power control FAN ON Fan on/off control port. NO USE...
  • Page 66: Exploded Views

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B SECTION 6 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 supplied.
  • Page 67: Back Panel Section

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 6-2. BACK PANEL SECTION not supplied not supplied (SUB TRANS Board) M892 TU901 For GTR6, GTR6B, GTR7: MX, GTR8: MX #1 #1 use one cover and one fan only M891 supplied Ref. No. Part No. Description Remark Ref. No.
  • Page 68: Front Panel Section (1)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 6-3. FRONT PANEL SECTION (1) not supplied not supplied (USB CD board) not supplied (HP board) not supplied not supplied (MIC CD board) not supplied (MIC RV board) front panel section (2) Ref. No. Part No. Description Remark 3-087-053-01 +BVTP2.6 (3CR)
  • Page 69: Front Panel Section (2)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 6-4. FRONT PANEL SECTION (2) METER DISPLAY ASSY not supplied (DISPLAY Board) not supplied (STR Board) not supplied (CD SW Board) not supplied supplied with S935 not supplied Ref. No. Part No. Description Remark 3-087-053-01 +BVTP2.6 (3CR) X-2345-785-1 KNOB JOG-P ASSY...
  • Page 70: Chassis Section

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 6-5. CHASSIS SECTION not supplied (TRANS board) F1241 not supplied F1261 (FRONT board) F1251 F1231 not supplied not supplied PT1250 not supplied (SUBWOOFER board) not supplied M893 not supplied (Backet Fan) not supplied (Cover Dust CDM Assy) CD mechanism section...
  • Page 71: Cd Mechanism Section (1)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 6-6. CD MECHANISM SECTION (1) (CDM74KF-K6BD93UR-WOD) M741 not supplied CD mechanism section-2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-218-253-42 SCREW (M2.6), +BTTP (MX) 4-243-820-01 GEAR (TABLE) 1-828-938-51 WIRE (FLAT TYPE) (5 CORE) (EXCEPT MX)
  • Page 72: Cd Mechanism Section (2)

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 6-7. CD MECHANISM SECTION (2) (CDM74KF-K6BD93UR-WOD) not supplied RE701 M751 supplied not supplied not supplied not supplied not supplied (HUB board) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-218-253-52 SCREW (M2.6), +BTTP 2-345-983-01 PULLEY B (310), CHUCKING...
  • Page 73: Electrical Parts List

    HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B SECTION 7 CD SW DISPLAY 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 ed.
  • Page 74 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B DISPLAY DMB19 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > C203 1-162-970-11 CERAMIC CHIP 0.01uF C205 1-164-230-11 CERAMIC CHIP 220PF S900 1-771-410-21 SWITCH, TACTILE (REC TIMER) C206 1-164-230-11 CERAMIC CHIP 220PF S901...
  • Page 75 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B DMB19 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < EARTH TERMINAL > R156 1-216-809-11 METAL CHIP 1/10W ET001 1-780-482-11 EARTH TERMINAL R204 1-216-822-11 METAL CHIP 1.2K 1/10W ET002 1-780-482-11 EARTH TERMINAL R205 1-216-833-11 METAL CHIP...
  • Page 76 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B DMB19 DRIVER FRONT Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1277 1-216-809-11 METAL CHIP 1/10W IC712 8-759-598-69 IC BA6956AN R1278 1-216-833-11 METAL CHIP 1/10W < TRANSISTOR > R1279 1-216-833-11 METAL CHIP 1/10W R1280 1-216-864-11...
  • Page 77 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B FRONT Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D1304 6-501-175-01 DIODE UDZW-TE17-11B (GTR7/GTR8/GTR8B) R1335 1-216-818-11 METAL CHIP 1/10W D1304 6-501-767-01 DIODE MAZ8120GLLS0 (GTR6/GTR6B) (GTR6/GTR6B) D1305 6-500-968-21 DIODE 30PRA20FC R1335 1-216-819-11 METAL CHIP 1/10W D1306...
  • Page 78 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B HEADPHONE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark HEADPHONE BOARD < IC > ***************** IC1500 8-759-338-95 IC NJM2903V (TE2) < CAPACITOR > IC1501 6-714-034-01 IC USB2512A-AEZG C1060 1-164-156-11 CERAMIC CHIP 0.1uF < RESISTOR >...
  • Page 79 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1702-138-A MAIN BOARD, COMPLETE (GTR8B: E3) C128 1-137-190-91 FILM 0.22uF A-1702-161-A MAIN BOARD, COMPLETE (GTR8: E2) (GTR7/GTR8/GTR8B) A-1702-168-A MAIN BOARD, COMPLETE (GTR6B: E3) A-1724-710-A MAIN BOARD, COMPLETE (GTR8: E51, AR)
  • Page 80 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C223 1-162-919-11 CERAMIC CHIP 22PF C318 1-126-965-91 ELECT 22uF C227 1-126-964-11 ELECT 10uF (GTR6B/GTR8B) C229 1-126-964-11 ELECT 10uF C323 1-162-969-11 CERAMIC CHIP 0.0068uF C231 1-136-162-00 FILM 0.056uF...
  • Page 81 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C466 1-162-968-11 CERAMIC CHIP 0.0047uF * CN310 1-564-506-11 PLUG, CONNECTOR 3P (GTR6B/GTR8B) * CN320 1-564-506-11 PLUG, CONNECTOR 3P (GTR7/GTR8/GTR8B) CN400 1-564-715-11 PIN, CONNECTOR (SMALL TYPE) 13P...
  • Page 82 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JR103 1-216-296-11 SHORT CHIP Q113 6-551-696-01 TRANSISTOR ISA1235AC1TP-1EF JR105 1-216-864-11 SHORT CHIP (GTR6B/GTR8B) JR106 1-216-296-11 SHORT CHIP Q128 8-729-620-07 TRANSISTOR 2SC3052EF-T1-LEF JR107 1-216-296-11 SHORT CHIP Q178...
  • Page 83 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R003 1-216-829-11 METAL CHIP 4.7K 1/10W R086 1-218-844-11 METAL CHIP 1/10W (GTR6B/GTR8B) R090 1-216-817-11 METAL CHIP 1/10W R004 1-216-827-11 METAL CHIP 3.3K 1/10W R091 1-216-821-11 METAL CHIP...
  • Page 84 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R231 1-216-838-11 METAL CHIP 1/10W R301 1-216-833-11 METAL CHIP 1/10W (GTR7/GTR8/GTR8B) (GTR6B/GTR8B) R232 1-216-864-11 SHORT CHIP 0 (GTR7/GTR8/GTR8B) R302 1-216-864-11 SHORT CHIP 0 (GTR6B/GTR8B) R233 1-216-845-11...
  • Page 85 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R442 1-216-841-11 METAL CHIP 1/10W R349 1-216-809-11 METAL CHIP 1/10W (GTR6B/GTR8B) (GTR6B/GTR8B) R350 1-216-864-11 SHORT CHIP 0 (GTR6B/GTR8B) R443 1-216-845-11 METAL CHIP 100K 1/10W R351 1-216-821-11...
  • Page 86 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B MAIN MIC CD Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R592 1-216-819-11 METAL CHIP 1/10W R711 1-216-821-11 METAL CHIP 1/10W (MX) R712 1-216-821-11 METAL CHIP 1/10W R592 1-216-821-11 METAL CHIP 1/10W (E2, E51, AR)
  • Page 87 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B MIC CD MIC RV MOTOR(TB) MOTOR(LD) SENSOR Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > ************************************************************ D1002 6-500-848-01 DIODE MC2840-T112-1 STR BOARD D1004 1-822-757-11 DIODE MC2840-T112-1 ********** < IC > < CAPACITOR >...
  • Page 88 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B SUBTRANS SUBWOOFER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R957 1-216-833-11 METAL CHIP 1/10W SUBTRANS BOARD *************** R958 1-216-819-11 METAL CHIP 1/10W R960 1-216-819-11 METAL CHIP 1/10W < CAPACITOR > R962 1-216-819-11 METAL CHIP...
  • Page 89 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B SUBWOOFER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C819 1-164-156-11 CERAMIC CHIP 0.1uF R800 1-216-819-11 METAL CHIP 1/10W (GTR7/GTR8: E2, E51, AR/GTR8B) (GTR7) C820 1-164-156-11 CERAMIC CHIP 0.1uF R801 1-216-841-11 METAL CHIP 1/10W (GTR7/GTR8: E2, E51, AR/GTR8B)
  • Page 90 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B TRANS USB CD SUBWOOFER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R890 1-216-835-11 METAL CHIP 1/10W < FUSE > (GTR8/GTR8B) F1271 1-523-087-11 FUSE 4A 250V (T4AL/250V) R890 1-216-837-11 METAL CHIP 1/10W F1281 1-523-084-11 FUSE 2A 250V (T2AL/250V)
  • Page 91 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B USB CD Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1047 1-216-837-11 METAL CHIP 1/10W < SWITCH > S1000 1-771-410-21 SWITCH, TACTILE (USB A) S1001 1-771-410-21 SWITCH, TACTILE (USB B) ************************************************************ MISCELLANEOUS ************** 1-840-020-11 MECHA DECK (GTR6B/ GTR8B)
  • Page 92 HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B 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. Ver. Date Description of Revision 2009.05...

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