MARANTZ CD-7FN Service Manual

Cover page of MARANTZ CD-7FN Service Manual

Service Manual for MARANTZ CD-7FN, downloadable as a PDF file.

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model CD-7
4822 725 51186
First Issue 1999.03
355K855010
MIT
Printed in Japan
Service
Manual
R
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Compact disc player
74 CD7 /02G
CD-7 FN KGL
TABLE OF CONTENTS
SECTION
PAGE
1.
TECHNICAL SPECIFICATIONS ............................................................................................................... 1
2.
SERVICING HINTS .................................................................................................................................... 2
3.
SERVICINE TOOLS ................................................................................................................................... 2
4.
SERVICE MODE ......................................................................................................................................... 3
5.
MICROPROCESSOR AND IC DATA ....................................................................................................... 4
6.
WIRING DIAGRAM ..................................................................................................................................... 7
7.
BLOCK DIAGRAM ...................................................................................................................................... 9
8.
FLAG NO. .................................................................................................................................................. 10
9.
SCHEMATIC DIAGRAM AND PARTS LOCATIONS .......................................................................... 11
10.
EXPLODED VIEW AND MECHANISM PARTS LIST .......................................................................... 27
11.
TRAY MECHANISM ADJUSTMENTS ................................................................................................... 33
12.
BALANCED JACKS ................................................................................................................................. 37
13.
DIGITAL FILTER ...................................................................................................................................... 38
14.
EXPLANATION OF DSP ......................................................................................................................... 39
15.
ELECTRICAL PARTS LIST .................................................................................................................... 41
background image
model CD-7
4822 725 51186
First Issue 1999.03
355K855010
MIT
Printed in Japan
Service
Manual
R
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Compact disc player
74 CD7 /02G
CD-7 FN KGL
TABLE OF CONTENTS
SECTION
PAGE
1.
TECHNICAL SPECIFICATIONS ............................................................................................................... 1
2.
SERVICING HINTS .................................................................................................................................... 2
3.
SERVICINE TOOLS ................................................................................................................................... 2
4.
SERVICE MODE ......................................................................................................................................... 3
5.
MICROPROCESSOR AND IC DATA ....................................................................................................... 4
6.
WIRING DIAGRAM ..................................................................................................................................... 7
7.
BLOCK DIAGRAM ...................................................................................................................................... 9
8.
FLAG NO. .................................................................................................................................................. 10
9.
SCHEMATIC DIAGRAM AND PARTS LOCATIONS .......................................................................... 11
10.
EXPLODED VIEW AND MECHANISM PARTS LIST .......................................................................... 27
11.
TRAY MECHANISM ADJUSTMENTS ................................................................................................... 33
12.
BALANCED JACKS ................................................................................................................................. 37
13.
DIGITAL FILTER ...................................................................................................................................... 38
14.
EXPLANATION OF DSP ......................................................................................................................... 39
15.
ELECTRICAL PARTS LIST .................................................................................................................... 41
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MARANTZ DESIGN AND SERVICE
Using superior design and selected high grade components,
MARANTZ company has created the ultimate in stereo sound.
Only original
MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for which
it is famous.
Parts for your
MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent.
ORDERING PARTS :
Parts can be ordered either by mail or by Fax.. In both cases, the correct part number has to be specified.
The following information must be supplied to eliminate delays in processing your order :
1. Complete address
2. Complete part numbers and quantities required
3. Description of parts
4. Model number for which part is required
5. Way of shipment
6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.
MARANTZ AMERICA, INC.
440 MEDINAH ROAD
ROSELLE, ILLINOIS 60172
USA
PHONE : 630 - 307 - 3100
FAX
: 630 - 307 - 2687
LENBROOK INDUSTRIES LIMITED
633 GRANITE COURT,
PICKERING, ONTARIO L1W 3K1
CANADA
PHONE : 905 - 831 - 6333
FAX
: 905 - 831 - 6936
MARANTZ EUROPE B. V.
P.O.BOX 80002
BUILDING SFF2
5600 JB EINDHOVEN
THE NETHERLANDS
PHONE : +31 - 40 - 2732241
FAX
: +31 - 40 - 2735578
SUPERSCOPE TECHNOLOGIES, INC.
MARANTZ PROFESSIONAL PRODUCTS
2640 WHITE OAK CIRCLE, SUITE A
AURORA, ILLINOIS 60504 USA
PHONE : 630 - 820 - 4800
FAX
: 630 - 820 - 8103
TC ELECTRONICS CANADA LTD.
540 FIRING AVE.
BAIE D'URFÉ, QUEBEC H9X 3T2
CANADA
PHONE : 514 - 457 - 4044
FAX
: 514 - 457 - 5524
MK ENTERPRISES LTD.
2F SHINHAN BLDG., 247-17 SEOKYO-DONG
MAPO-KU, SEOUL
KOREA
PHONE : +82 - 2 - 323 - 2155
FAX
: +82 - 2 - 323 - 2154
MARANTZ BRAZIL
CAIXA POSTAL 21462
CEP 04698-970
SAO PAULO, SP, BRAZIL
PHONE : 0800 - 123123
FAX
: +55 11 534. 8988
PAl- YUING CO., LTD.
6 TH FL NO, 148 SUNG KIANG ROAD,
TAIPEI, 10429, TAIWAN R.O.C.
PHONE : +886 (2) 5221304
FAX
: +886 (2) 5630415
MRZ STANDARD CO., LTD.
746 - 754 MAHACHAI RD.,
WANGBURAPAPIROM, PHRANAKORN,
BANGKOK, 10200 THAILAND
PHONE : +66 - 2 - 222 - 9181
FAX
: +66 - 2 - 224 - 6795
WO KEE HONG ELECTRONICS SDN. BHD.
NO. 102 JALAN SS 21/35, DAMANSARA
UTAMA, 47400 PETALING JAYA
SELANGOR DARUL EHSAN,
MALAYSIA
PHONE : +60 3 - 7184666
FAX
: +60 3 - 7173828
MARANTZ JAPAN, INC.
35- I , 7- CHOME, SAGAMIONO
SAGAMIHARA - SHI, KANAGAWA
JAPAN 228-8505
PHONE : +81 42 748 1013
FAX
: +81 42 748 9190
228-8505
7 - 35 - 1
150-0022
1 - 11 - 9
FORWARD MARKETING (S) PTE. LTD.
23, LORONG 8, TOA PAYOH,
SINGAPORE 319257.
PHONE : +65 2583640
FAX
: +65 3564047
SHOCK, FIRE HAZARD SERVICE TEST :
CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance between either primary AC
cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product and
controls and chassis bottom.
Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied, and
verified before it is return to the user/customer.
Ref. UL Standard No. 1492.
USA
CANADA
EUROPE / TRADING
USA
CANADA
BRAZIL
(Discagem Direta Gratuita)
TAIWAN
THAILAND
MALAYSIA
In case of difficulties, do not hesitate to contact the Technical
Department at above mentioned address.
JAPAN
Technical
SINGAPORE
981110MIT
SCAN AUDIO PTY. LTD.
52 CROWN STREET, RICHMOND 3121
VICTORIA
AUSTRALIA
PHONE : +61 - 3 - 9429 - 2199
FAX
: +61 - 3 - 9429 - 9309
AUSTRALIA / NEW ZEALAND
KOREA
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1
1. TECHNICAL SPECIFICATIONS
Audio Characteristics
Channels ........................................................ 2 channels
Sampling frequency (CD mode) ........................ 44.1 kHz
Sampling frequency (D/A mode) ............. 32/44.1/48 kHz
Quantization .................................... 16-bit linear/channel
Error correction ... Cross-interleave read solomon code (CIRC)
D/A conversion .................................. 1-bit linear/channel
Wow & flutter ..................................... Precision of quartz
Optical Readout System
Laser ........................................... AIGaAs semiconductor
Wavelength .......................................................... 780 nm
Frequency Characteristics
Frequency range ....................................... 2 Hz - 20 kHz
Dynamic range .................................................... > 98 dB
S/N ratio ............................................................. > 102 dB
Channel separation (1 kHz) ............................... > 100 dB
THD (1 kHz) ........................................................ 0.002 %
Analog output
Output level (cinch JACKS) ...................... 2.2 V RMS
Output impedance ..................................... 250 ohms
Digital output
Output level (cinch JACK) .............. 0.5 Vp-p/75 ohms
Output level (optical JACK) ........................... -19 dBm
Digital input
Input level (cinch JACK) ................. 0.5 Vp-p/75 ohms
Input level (optical JACK) .............................. -19 dBm
Power Supply
Power requirement
K version ............................. 110 / 220V AC 50/60 Hz
/02 version ........................................ 230V AC 50 Hz
Power Consumption ............................................. 19 W
Cabinet, etc.
Dimensions
Width ............................................................. 454 mm
Height ............................................................ 139 mm
Depth ............................................................ 344 mm
Netweight ............................................................. 16.6 kg
Operating temperatures ........................... +5
°C ~ +35 °C
Operating humidity ................. 5 % ~ 90 % (without dew)
Accessories
Remote control unit (RC-7CD) ...................................... 1
AAA (R03) Batteries ...................................................... 2
Stereo audio cable with cinch pins ................................ 1
AC power cord ............................................................... 1
Improvement may result in changes in specifications and
design without notice.
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2
2. SERVICING HINTS
3. SERVICE TOOLS
Audio signals disc
4822 397 30184
Disc without errors (SBC444)+
Disc with DO errors, black spots and fingerprints (SBC444A)
4822 397 30245
Disc (65 min 1kHz) without no pause
4822 397 30155
Max. diameter disc (58.0 mm)
4822 397 60141
Torx screwdrivers
Set (straight)
4822 395 50145
Set (square)
4822 395 50132
13th order filter
4822 395 30204
Allen wrench (No. 3)
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3
·
·
·
·
·
·
·
4. SERVICE MODE
1. How to enter into the Service Mode
Turn the power on while pressing [PLAY]+[OPEN/
CLOSE] buttons together.
2. Mode 0 (display "P 00")
Condition: [FOCUS OFF], [SPINDLE OFF], [RADIAL
OFF], [MUTE ON]
· While pressing [ ](Remote Control unit only) button,
the sledge moves outside.
And, release from this button. The sledge return to
neutral position.
· Press [NEXT
] button, the function will change to
"Mode 1".
3. Mode 1 (display "P 01")
Condition: [FOCUS ON], [SPINDLE OFF], [RADIAL OFF],
[MUTE ON]
· Press [NEXT
] button, the function will change to
"Mode 2".
· Press [PREV
] button, the function will change to
"Mode 0".
4. Mode 2 (display "P 02")
Condition: [FOCUS ON], [SPINDLE ON], [RADIAL OFF],
[MUTE ON]
· Press [NEXT
] button, the function will change to
"Mode 3".
· Press [PREV
] button, the function will change to
"Mode 1".
5. Mode 3 (display "P 03")
Condition: [FOCUS ON], [SPINDLE ON], [RADIAL ON],
[MUTE OFF]
· Press [PREV
] button, the function will change to
"Mode 2".
D The following button operations are available at the
Service Mode.
1) While pressing [STOP] button, FL display shows all
segments.
2) The same as Normal operation is performed by
pressing [PLAY] button.
However if some default is detected, display shows an
error code. (For example: "Err 10") Refer to the "Table
1 ERROR CODE".
6. Canceling the Service Mode
The Service Mode is canceled by turning the power off.
Error Code
Error
Err 02
FOCUS Error
Err 07
SUB CODE Error
Err 08
T. O. C. Error
Err 09
DECODER Error
Err 10
RADIAL Error
Err 11, 12
SLEDGE Error
Err 13
SPINDLE Error
Err 16 ~ 20
SEARCH Error
Err 30
DOOR Error
Err 31
TRAY Error
Err 32 ~ 47
BUTTON INPUT Error
Table 1 ERROR CODE

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