Table of Contents
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SERVICE MANUAL
Ver. 1.1 2010.12
• HCD-EX6 is the amplifi er, USB, CD player
and tuner section in MHC-EX6.
• HCD-EX6T is the amplifi er, USB, CD player,
tape deck and tuner section in MHC-EX6T.
• HCD-EX8 is the amplifi er, USB, CD player
and tuner section in MHC-EX8.
• HCD-EX8T is the amplifi er, USB, CD player,
tape deck and tuner section in MHC-EX8T.
• HCD-EX9 is the amplifi er, USB, CD player
and tuner section in MHC-EX9.
• HCD-EX9T is the amplifi er, USB, CD player,
tape deck and tuner section in MHC-EX9T.
• MPEG Layer-3 audio coding technology and pat-
ents licensed from Fraunhofer IIS and Thomson.
• Windows Media is a registered trademark of
Microsoft Corporation in the United States and/or
other countries.
Amplifi er section
The following measured at AC 127 V,
60 Hz (Mexican model)
The following measured at AC 220 V,
50/60 Hz (Argentine model)
The following measured at AC 120 V,
220 V, 240 V, 50/60 Hz (Other models)
HCD-EX9/EX9T
Front Speaker:
Power output (rated):
Low channel
40 W + 40 W (at 8 Ω, 1 kHz, 1%
THD)
High channel
40 W + 40 W (at 8 Ω, 1 kHz, 1%
THD)
RMS output power (reference):
Low channel
85 W + 85 W (per channel at 8 Ω,
1 kHz)
High channel
85 W + 85 W (per channel at 8 Ω,
1 kHz)
Subwoofer:
RMS output power (reference):
125 W (at 4 Ω, 80 Hz)
HCD-EX8/EX8T
Power output (rated):
Low channel
50 W + 50 W (at 8 Ω, 1 kHz, 1%
THD)
High channel
50 W + 50 W (at 8 Ω, 1 kHz, 1%
THD)
9-889-803-02
Sony Corporation
2010L04-1
©
2010.12
Published by Sony Techno Create Corporation
Photo: HCD-EX9T
CD Section
Tape Deck Section
(HCD-EX6T/EX8T/EX9T)
SPECIFICATIONS
RMS output power (reference):
Low channel
100 W + 100 W (per channel at 8 Ω,
1 kHz)
High channel
100 W + 100 W (per channel at 8 Ω,
1 kHz)
HCD-EX6/EX6T
Power output (rated):
40 W + 40 W (at 6 Ω, 1 kHz, 1%
THD)
RMS output power (reference):
90 W + 90 W (per channel at 6 Ω,
1 kHz)
Inputs
PC IN (stereo mini jack):
Sensitivity 800 mV, impedance
22 kilohms
Outputs
PHONES (stereo mini jack):
accepts headphones with an
impedance of 8 Ω or more
SPEAKERS: impedance
HCD-EX9/EX9T/EX8/EX8T: 8 Ω
HCD-EX6/EX6T: 6 Ω
SUBWOOFER (HCD-EX9/EX9T only):
impedance 4 Ω
USB section
Supported bit rate:
MP3 (MPEG 1 Audio Layer-3):
32 kbps – 320 kbps, VBR
WMA: 48 kbps – 192 kbps
AAC: 48 kbps – 320 kbps
HCD-EX6/EX6T/EX8/
EX8T/EX9/EX9T
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Block Name
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
Sampling frequencies:
MP3 (MPEG 1 Audio Layer-3):
32/44.1/48 kHz
WMA: 44.1 kHz
AAC: 44.1 kHz
(USB) port:
Maximum current:
500 mA
CD player section
System:
Compact disc and digital audio
system
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6μW
* This output is the value
measurement at a distance of
200mm from the objective lens
surface on the Optical Pick-up
Block with 7mm aperture.
Frequency response: 20 Hz – 20 kHz
Signal-to-noise ratio: More than 90 dB
Dynamic range: More than 88 dB
COMPACT DISC RECEIVER
COMPACT DISC DECK RECEIVER
E Model
New
CDM88CL-D1BD74UR
DA11MMVGP
HCD-EC69T/EC79T/EC99T
TCM-J1 or CS-21SC-901TP
Tape deck section (HCD-EX9T/
EX8T/EX6T only)
Recording system: 4-track 2-channel, stereo
Tuner section
FM stereo, FM/AM superheterodyne tuner
Antenna:
FM lead antenna
AM loop antenna
FM tuner section:
Tuning range:
87.5 MHz 108.0 MHz (50 kHz step)
Intermediate frequency: 225 kHz
AM tuner section:
Tuning range
Latin American models:
530 kHz 1,710 kHz (10 kHz step)
531 kHz 1,710 kHz (9 kHz step)
Other models:
531 kHz 1,602 kHz (9 kHz step)
530 kHz 1,610 kHz (10 kHz step)
Intermediate frequency: 53 kHz
– Continued on next page –
HCD-EX6/EX8/EX9
HCD-EX6T/EX8T/EX9T
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Table of Contents
Related Manuals for Sony HCD-EX6
Summary of Contents for Sony HCD-EX6
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Page 1: Service Manual
EX8T/EX9/EX9T SERVICE MANUAL E Model Ver. 1.1 2010.12 • HCD-EX6 is the amplifi er, USB, CD player and tuner section in MHC-EX6. • HCD-EX6T is the amplifi er, USB, CD player, tape deck and tuner section in MHC-EX6T. • HCD-EX8 is the amplifi er, USB, CD player and tuner section in MHC-EX8. -
Page 2: Table Of Contents
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. -
Page 3: Servicing Notes
It is best to use only unleaded solder but unleaded solder may also be added to ordinary solder. : Since the HCD-EX6/EX8/EX9: E2 and E51 models have their model number labels marked directly on the back panel, the RELEASING THE DISC TRAY LOCK model number labels have no relative part numbers. - Page 4 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF Note: Please take out the side panel (R) from a set refer to DISASSEMBLY (page 7). state of opening the CD tray lever 2 Pull the tray by the hand.
- Page 5 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T CAPACITOR DISCHARGE FOR ELECTRIC SHOCK PREVENTION Note: Please take out the side panel (R) from a set refer to DISASSEMBLY (page 7). In checking the PT-POWER board, make a capacitor discharge PT-POWER board of C013 and C014 for electric shock prevention.
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Page 6: Disassembly
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. 2-1. SIDE PANEL (R)/(L) (Page 7) 2-2. TOP PANEL SECTION (Page 7) 2-3. TAPE MECHANISM DECK (HCD-EX6T/EX8T/EX9T) (Page 8) 2-6. BACK PANEL SECTION 2-5. MAIN BOARD 2-4. -
Page 7: Side Panel (R)/(L)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T Note: Follow the disassembly procedure in the numerical order given. 2-1. SIDE PANEL (R)/(L) qs side panel (L) 0 two claws 8 two screws (case 3 TP2) 9 two screws (+BVTP 3 6 side panel (R) 4 two claws... -
Page 8: Tape Mechanism Deck (Hcd-Ex6T/Ex8T/Ex9T)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 2-3. TAPE MECHANISM DECK (HCD-EX6T/EX8T/EX9T) 2 four screws (+BVTP 2.6 1 Open the cassette box. 4 bracket (deck) 6 DECK board 7 tape mechanism deck 5 CN501 (8P) 3 two screws (+BVTP 3 2-4. FRONT PANEL SECTION 8 wire (flat type) (25 core) -
Page 9: Main Board
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 2-5. MAIN BOARD EX6/EX6T 8 two screws (transistor) 9 screw (+BVTP 3 2 CN701 (3P) 7 screw (+BVTP 3 6 two screws 1 CN012 (10P) (+BVTP 3 q; MAIN board 3 wire (flat type) (19 core) (CN603) (EX6) wire (flat type) (21 core) -
Page 10: Back Panel Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 2-6. BACK PANEL SECTION EX6/EX6T 3 two screws Installation of the power cord (+BVTP 3 1 CN701 (3P) when assembling the set. 2 Cut the clamp. 4 six screws (+BVTP 3 5 back panel section EX8/EX8T Installation of the power cord 3 CN701 (3P) when assembling the set. -
Page 11: Cd Mechanism Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 2-7. CD MECHANISM SECTION 4 CD mechanism section 1 two screws (+BVTP 3 2 two screws (+BVTP 3 2-8. BELT (DLM3A) 1 two screws 2 two screws 3 cover 4 belt (DLM3A) 5 belt (DLM3A) -
Page 12: Base Unit
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 2-9. BASE UNIT 1 wire (flat type) (25 core) (CN403) 2 two floating screw 8 insulator (+PTPWH M2.6) 3 two coil springs 4 two floating screw (insulator) (+PTPWH M2.6) 7 insulator 5 two coil springs (insulator) 9 insulator qa base unit... -
Page 13: Test Mode
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T SECTION 3 TEST MODE COLD RESET CD TRAY LOCK The cold reset clears all data including preset data stored in the This mode is for the antitheft of CD disc in shop. (not for transport) memory to initial conditions. Execute this mode when returning Procedure: the set to the customer. - Page 14 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T CD SERVO TEST MODE CD FACTORY MODE This mode can check the servo system operations of the optical Note 1: Do not enter the this mode while any other testmode is in prog- pick-up system (= optical unit + BD74 board).
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Page 15: Mechanical Adjustments
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS HCD-EX6T/EX8T/EX9T only: DECK SECTION 0 dB = 0.775V Precaution HCD-EX6T/EX8T/EX9T only: 1. Clean the following parts with a denatured-alcohol-moistened 1. Demagnetize the record/playback head with a head demagne- swab: tizer. record/playback head pinch roller 2. - Page 16 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T Adjustment Location: Record/Playback Head CD SECTION Note: 1. CD Block is basically constructed to operate without adjustment. 2. Use YEDS-18 disc (Part No. 3-702-101-01) unless otherwise indicat- 3. Use an oscilloscope with more than 10 MΩ impedance. 4. Clean the object lens by an applicator with neutral detergent when the signal level is low than specifi...
- Page 17 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T TUNER SECTION 0 dB = 1 μV FM AUTO STOP CHECK signal generator – Procedure: 1. Turn the power on. 2. Input the following signal from Signal Generator to FM an- tenna input directly. Carrier frequency : A = 87.5 MHz, B = 98 MHz, C = 108 MHz...
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Page 18: Diagrams
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T SECTION 6 DIAGRAMS • Circuit Boards Location DECK board MAIN board (HCD-EX6T/EX8T/EX9T) REG board PT-POWER board PANEL board USB board BD74 board USB-JACK board... - Page 19 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 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 20 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T • Waveforms – BD74 Board – – PANEL Board – IC101 2 (RFOUT) IC301 qf (X1A) (CD play mode) 3.2 Vp-p 32.768 kHz 0.7 to 1.5 Vp-p 200 mV/DIV, 500 nsec/DIV 1 V/DIV, 10 sec/DIV IC101 us (XOUT) IC301 os (X1) 2.8 Vp-p...
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Page 21: Block Diagram -Cd/Tuner Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-1. BLOCK DIAGRAM –CD/TUNER Section – CN801 ANTENNA FM/AM BAND-PASS TAPE/AUDIO FILTER 30 FM ANT L-OUT TUNER-L SECTION FL801 (Page 22) R-OUT R-CH AM/FM-DET, OSC, MIX, PLL, IF AMP IC801 AM ANT L803 1 AM ANT USB CONTROLLER 19 18... -
Page 22: Block Diagram -Tape/Audio Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-2. BLOCK DIAGRAM –TAPE/AUDIO Section – ELECTRICAL VOLUME, INPUT SELECTOR IC601 J551 R-CH PHONES EX9/EX9T J552 R-CH 2CH POWER AMP PC-IN-L PC IN IC101 CD/TUNER TB701 CD/USB-L 8 CD/USB-L SECTION SPEAKERS (Page 21) OUT-L 11 LIN+ IMPEDANCE: – USE 6... -
Page 23: Block Diagram -Display/Power Supply Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-3. BLOCK DIAGRAM –DISPLAY/POWER SUPPLY Section – D730 SP-L R-CH EX6T/EX8T/EX9T TP-ON FAN MOTOR UNREG+15V DRIVE TAPE POWER Q731,732,741 TAPE/AUDIO CONTROL M+9V SECTION FAN901 Q607,609 (Page 22) DC FAN PROTECT – PROTECT DETECT RY001 Q770-772 (MX MODEL) RY002 (EXCEPT MX MODEL) -
Page 24: Printed Wiring Board -Cd Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-4. PRINTED WIRING BOARD – CD Section – • See page 18 for Circuit Boards Location. • : Uses unleaded solder. BD74 BOARD (SIDE A) BD74 BOARD (SIDE B) M401 (SPINDLE) C301 CL119 CL419 CL117 S001 (LIMIT) CL420 SL304... -
Page 25: Schematic Diagram -Cd Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-5. SCHEMATIC DIAGRAM – CD Section – • See page 20 for Waveforms. • See page 38 for IC Block Diagrams. BD74 BOARD C132 R417 C133 C131 C130 C127 R129 R131 X101 16.934MHz CN201 C201 VREF CL212 CL213 C203... -
Page 26: Printed Wiring Board -Usb Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-6. PRINTED WIRING BOARD – USB Section – • See page 18 for Circuit Boards Location. • : Uses unleaded solder. (Page 28) PANEL BOARD CN451 USB BOARD (SIDE A) USB BOARD (SIDE B) CL920 CL912 CL911 CL909 CL921... -
Page 27: Schematic Diagram -Usb Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-7. SCHEMATIC DIAGRAM – USB Section – • See page 20 for Waveform. • See page 43 for IC Pin Function Descriptions of IC901. USB BOARD CN903 VBUSGND R951 CL934 USB-JACK C950 BOARD CL935 R952 CN561 VBUS5V (Page 30) -
Page 28: Printed Wiring Board -Panel Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-8. PRINTED WIRING BOARD – PANEL Section – • See page 18 for Circuit Boards Location. • : Uses unleaded solder. PANEL BOARD SW485 DISC 1 JW315 JW326 SW491 JW324 LCD301 R326 LIQUID CRYSTAL DISPLAY PANEL R498 JW327 JW375... -
Page 29: Schematic Diagram -Panel Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-9. SCHEMATIC DIAGRAM – PANEL Section – • See page 20 for Waveforms. • See page 44 for IC Pin Function Descriptions of IC301. PANEL BOARD EX6/EX8/EX9 CN303 X302 6MHz O-POWER O-SP-RELAY/TP-ON R381 O-TU-CE O-TU-DI O-TU-CLK I-TU-ANSD I-TU-DO I-LEVEL... -
Page 30: Printed Wiring Board -Usb-Jack Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-10. PRINTED WIRING BOARD – USB-JACK Section – • See page 18 for Circuit Boards Location. • : Uses unleaded solder. (Page 26) USB BOARD CN903 USB-JACK BOARD CN561 TP557 MAIN-AMP TP556 LP551 TP554 BOARD TP558 TP562 TP559 R552... -
Page 31: Printed Wiring Boards -Main-Amp Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-12. PRINTED WIRING BOARDS – MAIN-AMP Section – • See page 18 for Circuit Boards Location. • : Uses unleaded solder. (Page 34) (Page 34) PT-POWER PT-POWER BOARD BOARD CN012 CN010 FAN901 DC FAN (EX6/EX6T/EX8/EX8T) (EX9/EX9T) MAIN-AMP BOARD TP649... -
Page 32: Schematic Diagram -Main-Amp Section (1/2)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-13. SCHEMATIC DIAGRAM – MAIN-AMP Section (1/2) – • See page 20 for Waveform. • See page 39 for IC Block Diagrams. MAIN-AMP BOARD (1/2) BUS1 R805 R680 X801 32.768kHz FL801 C820 D801 IC B/D MC2840-T112-1 CN801 IC801 TP805... -
Page 33: Schematic Diagram -Main-Amp Section (2/2)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-14. SCHEMATIC DIAGRAM – MAIN-AMP Section (2/2) – • See page 41 for IC Block Diagrams. MAIN-AMP BOARD (2/2) CN605 EX6T/EX8T/EX9T TP691 C613 TP692 PB-Lch C614 TP693 PB-Rch BUS1 A-GND DECK R613 TP694 REC-Lch BOARD EX6T/EX8T/EX9T R614 TP695 CN502... -
Page 34: Printed Wiring Board -Power Supply Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-15. PRINTED WIRING BOARD – POWER SUPPLY Section – • See page 18 for Circuit Boards Location. • : Uses unleaded solder. (Page 31) (Page 31) MAIN-AMP MAIN-AMP BOARD BOARD CN611 CN601 (EX6/EX6T/EX8/EX8T) (EX9/EX9T) AC IN ~ PT-POWER BOARD... -
Page 35: Schematic Diagram -Power Supply Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-16. SCHEMATIC DIAGRAM – POWER SUPPLY Section – • See page 42 for IC Block Diagram. PT-POWER BOARD CN011 D024 MA2J1110GLS0 TP023 CD-AVR TP022 I-P-MONI R038 D023 TP021 MC2838-T112-1 5V-ON R004 R039 4.7k TP020 O-POWER TP019 V-STBY PANEL R037... -
Page 36: Schematic Diagram -Tape Deck Section (Hcd-Ex6T/Ex8T/Ex9T)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-17. SCHEMATIC DIAGRAM – TAPE DECK Section (HCD-EX6T/EX8T/EX9T) – DECK BOARD C546 R506 R544 (HCD-EX6T/EX8T/EX9T) R510 C516 C510 C506 C512 R512 R514 R504 100p 0.01 220p 100k 100k 2.2k R546 C514 C543 1000p IC501 – R516 IC501 NJM4558V-TE2 C517 PB AMP –... -
Page 37: Printed Wiring Board -Tape Deck Section (Hcd-Ex6T/Ex8T/Ex9T)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 6-18. PRINTED WIRING BOARD – TAPE DECK Section (HCD-EX6T/EX8T/EX9T) – • See page 18 for Circuit Boards Location. • : Uses unleaded solder. DECK BOARD (HCD-EX6T/EX8T/EX9T) R528 C532 C528 R526 R532 R518 R531 R522 IC502 C533 TP505 R533 TP506... -
Page 38: Ic Block Diagrams
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T • IC Block Diagrams IC101 LC786950T-US-H (BD74 Board) CLOCK EFMIN 1 C2F (LRSY) GENERATOR MP3/PCM OUTPUT CONTROL RFOUT 2 FSEQ (DATACK) LPF 3 DEFECT (DATA) AUDIO OUTPUT SLICE CONTROL 8FS DIGITAL FILTER/ LEVEL PHLPF 4 TEST1 1BIT DAC CONTROL... - Page 39 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T IC301 BA5826HFP-E2 (BD74 Board) VO1– D.BUFF VO4– VO1+ D.BUFF LEVEL D.BUFF SHIFT VO4+ D.BUFF LEVEL SHIFT RESET IN4’ THERMAL SHUT-DOWN REGULATOR BIAS TRAP BIAS REGB REGOUT 30 GND MUTE MUTE IN3’ IN2’ LEVEL LEVEL SHIFT D.BUFF SHIFT D.BUFF VO3+ VO2+ D.BUFF...
- Page 40 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T IC102 STK433-870-E (MAIN-AMP Board (1/2)) (HCD-EX8/EX8T only) – – – – STANDBY STANDBY CIRCUIT CIRCUIT 6 7 8 12 13 14 15 16 17 18 19 20 21 22 23 IC801 LV23401V-TLM-H (MAIN-AMP Board (1/2)) REF. OSC OSC CAP...
- Page 41 PRE DRIVER MONO IC – – – BIAS CIRCUIT 4 5 6 7 9 10 16 17 18 19 IC202 STK433-060 (MAIN-AMP Board (2/2)) (HCD-EX6/EX6T only) PRE DRIVER PRE DRIVER – – BIAS CIRCUIT 4 5 6 7 9 10...
- Page 42 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T IC601 BD3491FS-SE2 (MAIN-AMP Board (2/2)) VCC/2 I2C BUS LOGIC SURROUND TREBLE/BASS INPUT GAIN INPUT SELECTOR VOLUME VOLUME 15 16 IC050 NJM2368V(TE2) (PT-POWER Board) VOLTAGE REFERENCE 30μA L. O – UNDERVOLTAGE LOCKOUT S. C. P – ERROR – –...
- Page 43 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T • IC Pin Function Descriptions USB BOARD IC901 LC87F1JJ2AU-SQFP-H (USB CONTROLLER) Pin No. Pin Name Description Not used. (Open) — USB control reset pin — Not used. (Connect to VDD) Not used. (Open) VSS1 — Ground Oscillation signal input (12 MHz)
- Page 44 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T PANEL BOARD IC301 MB90F831PF-G-SPE1 (SYSTEM CONTROLLER) Pin No. Pin Name Description SEG32 Segment drive signal output for the liquid crystal display panel O-SP-RELAY-ON/ Speaker relay drive signal output, tape power ON/OFF control signal output (HCD-EX6T/ TC ON/SW ON EX8T/EX9T) and subwoofer function ON/OFF control signal output (HCD-EX9/EX9T)
- Page 45 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T Pin No. Pin Name Description 59 to 62 COM0 to COM3 Common drive signal output for the liquid crystal display panel 63, 64 SEG0, SEG1 Segment drive signal output for the liquid crystal display panel — Power supply pin (+3.3 V) —...
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Page 46: Exploded Views
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T SECTION 7 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • Color Indication of Appearance Parts Ex- • Abbreviation they may have some difference from the ample: : Argentina model original one. KNOB, BALANCE (WHITE) . . . (RED) : 120V AC area in E model ↑... -
Page 47: Front Panel Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 7-2. FRONT PANEL SECTION not supplied not supplied (USB board) not supplied not supplied LCD301 D306 not supplied not supplied not supplied (JACK HOLD board) not supplied not supplied (USB-JACK board) Note: If the wire (fl at type) was replaced, fold it some as the wire (fl... -
Page 48: Top Panel Section (Hcd-Ex6T/Ex8T/Ex9T)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 7-3. TOP PANEL SECTION (HCD-EX6T/EX8T/EX9T) not supplied not supplied not supplied not supplied Note: When you exchange Ref. No. 101, 103 or 104, Please refer to “HOW TO DISTINGUISH TAPE MECHANISM DECK” of Note: If the wire (fl at type) was replaced, fold it some as the the service note (page 5). -
Page 49: Chassis Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 7-4. CHASSIS SECTION not supplied (EX6/EX6T) MAIN board section (HOLD board) (EX8/EX8T/EX9/EX9T) (EX8/EX8T) (EX9/EX9T) FAN901 not supplied not supplied CD mechanism section (AC-HOLD board) not supplied not supplied Note: If the wire (fl at type) was replaced, fold it some as the wire (fl... -
Page 50: Main Board Section
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T Ver. 1.1 7-5. MAIN BOARD SECTION EX6/EX6T not supplied not supplied (REG board) EX8/EX8T PT004 (EX6/EX6T) PT005 (EX8/EX8T/EX9/EX9T) not supplied (WIRE COVER board) EX9/EX9T not supplied (PT-POWER board) not supplied Ref. No. Part No. Description Remark Ref. No. Part No. -
Page 51: Cd Mechanism Section (Cdm88Cl-D1Bd74Ur)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 7-6. CD MECHANISM SECTION (CDM88CL-D1BD74UR) not supplied not supplied not supplied S001 Note: If the wire (fl at type) was replaced, fold it some as the wire (fl at type) before replacement. Ref. No. Part No. Description Remark Ref. No. -
Page 52: Electrical Parts List
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T SECTION 8 BD74 ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • RESISTORS • Abbreviation the parts list may be different from the All resistors are in ohms. : Argentina model parts specifi ed in the diagrams or the com- METAL: Metal-fi... - Page 53 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T BD74 DECK Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R131 1-216-295-91 SHORT CHIP C531 1-162-970-11 CERAMIC CHIP 0.01uF R201 1-218-446-11 METAL CHIP 1/10W C532 1-162-970-11 CERAMIC CHIP 0.01uF R202 1-216-789-11 METAL CHIP 1/10W C533 1-162-966-11 CERAMIC CHIP 0.0022uF...
- Page 54 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T DECK MAIN-AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R521 1-216-841-11 METAL CHIP 1/10W C122 1-126-960-11 ELECT R522 1-216-841-11 METAL CHIP 1/10W (EX8/EX8T) R523 1-216-827-11 METAL CHIP 3.3K 1/10W C123 1-164-245-11 CERAMIC CHIP 0.015uF...
- Page 55 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T MAIN-AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C206 1-162-927-11 CERAMIC CHIP 100PF C614 1-125-837-91 CERAMIC CHIP 1uF 6.3V (EX9/EX9T) (EX6T/EX8T/EX9T) C211 1-162-908-11 CERAMIC CHIP 3PF 0.25PF 50V C615 1-162-960-11 CERAMIC CHIP 220PF (EX6/EX6T/EX9/EX9T)
- Page 56 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T MAIN-AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C658 1-164-227-11 CERAMIC CHIP 0.022uF D701 6-501-817-01 DIODE MA2J1110GLS0 (EX9/EX9T) D711 6-501-817-01 DIODE MA2J1110GLS0 (EX8/EX8T/EX9/EX9T) C671 1-165-908-11 CERAMIC CHIP 1uF D721 6-501-817-01 DIODE MA2J1110GLS0 (EX9/EX9T) C673...
- Page 57 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T MAIN-AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q753 8-729-120-28 TRANSISTOR 2SC1623-L5L6 (EX9/EX9T) R133 1-216-823-11 METAL CHIP 1.5K 1/10W Q754 6-551-696-01 TRANSISTOR ISA1235AC1TP-1EF (EX9/EX9T) (EX8/EX8T) Q755 8-729-120-28 TRANSISTOR 2SC1623-L5L6 (EX9/EX9T) R134 1-216-823-11 METAL CHIP 1.5K...
- Page 58 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T MAIN-AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R203 1-216-825-11 METAL CHIP 2.2K 1/10W R251 1-216-823-11 METAL CHIP 1.5K 1/10W (EX6/EX6T) (EX9/EX9T) R203 1-216-833-11 METAL CHIP 1/10W R253 1-216-837-11 METAL CHIP 1/10W (EX9/EX9T) (EX6/EX6T/EX9/EX9T)
- Page 59 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T MAIN-AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R657 1-216-821-11 METAL CHIP 1/10W R713 1-249-403-11 CARBON 1/4W (EX9/EX9T) (EXCEPT EX6/EX6T/EX8:MX/EX9:MX) R658 1-216-825-11 METAL CHIP 2.2K 1/10W R715 1-216-797-11 METAL CHIP 1/10W (EX9/EX9T) (EX8/EX8T/EX9/EX9T) R659...
- Page 60 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T MAIN-AMP PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R764 1-216-833-11 METAL CHIP 1/10W A-1748-811-A PANEL BOARD, COMPLETE (EX9:E2) (EX9/EX9T) A-1748-812-A PANEL BOARD, COMPLETE (EX9:E51,AR,MX) R765 1-216-833-11 METAL CHIP 1/10W A-1748-813-A PANEL BOARD, COMPLETE (EX8:E2)
- Page 61 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > Q451 8-729-036-86 TRANSISTOR KTC3203Y-AT Q452 8-729-120-28 TRANSISTOR 2SC1623-L5L6 D301 6-501-722-01 DIODE MAZ8043GMLS0 D302 6-501-817-01 DIODE MA2J1110GLS0 < RESISTOR > D303 6-500-334-01 DIODE MC2836-T112-1...
- Page 62 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R358 1-216-841-11 METAL CHIP 1/10W R432 1-216-833-11 METAL CHIP 1/10W R359 1-216-818-11 METAL CHIP 1/10W R434 1-216-809-11 METAL CHIP 1/10W R360 1-216-818-11 METAL CHIP 1/10W R435...
- Page 63 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T PANEL PT-POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark SW472 1-771-410-21 SWITCH, TACTILE (EQ) (EX6/EX6T/EX8/EX8T) C055 1-162-962-11 CERAMIC CHIP 470PF SW472 1-771-410-21 SWITCH, TACTILE (SUBWOOFER ON/OFF) C056 1-126-916-11 ELECT 1000uF 6.3V (EX9/EX9T) C070 1-164-156-11 CERAMIC CHIP 0.1uF...
- Page 64 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T PT-POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R014 1-216-828-11 METAL CHIP 3.9K 1/10W 0 RY002 1-755-496-11 RELAY (EXCEPT MX) (EX6/EX6T) R014 1-216-833-11 METAL CHIP 1/10W < VOLTAGE SELECTOR > (EX8/EX8T/EX9/EX9T) R015 1-216-839-11 METAL CHIP...
- Page 65 HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T Ver. 1.1 USB-JACK Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R905 1-216-809-11 METAL CHIP 1/10W MISCELLANEOUS R906 1-216-809-11 METAL CHIP 1/10W ************** R907 1-216-809-11 METAL CHIP 1/10W R908 1-216-809-11 METAL CHIP 1/10W 1-832-817-21 CABLE, FLEXIBLE FLAT (9 CORE)
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Page 66: Revision History
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T 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 2010.03 2010.12...