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Service Manual. MDX-C7900 Datasheet

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Service Manual. MDX-C7900 Datasheet






MDX-C7900 Manual. Datasheet pdf. Equivalent




MDX-C7900 Manual. Datasheet pdf. Equivalent





Part

MDX-C7900

Description

Service Manual



Feature


www.DataSheet4U.com MDX-C7900/C7900R SE RVICE MANUAL Ver 1.1 2001.08 US Model Canadian Model E Model MDX-C7900 AEP M odel UK Model MDX-C7900R Refer to RM-X 4S Service Manual (9-925698-[][]) issue d previously for information of remote commander (RM-X4S) supplied with this s et. Photo: MDX-C7900 Model Name Using Similar Mechanism Base Mechanism Type Optical Pick-Up Na.
Manufacture

Sony

Datasheet
Download MDX-C7900 Datasheet


Sony MDX-C7900

MDX-C7900; me NEW MG-164KT-138 KMS-241A/J2N SPECI FICATIONS – Continued on next page MDX-C7900 FM/AM MINIDISC PLAYER MD X-C7900R FM/MW/LW MINIDISC PLAYER www. DataSheet4U.com 9-925-787-12 2001H0500- 1 C 2001.8 Sony Corporation e Vehicle Company Shinagawa Tec Service Manual Pr oduction Group www.DataSheet4U.com Ve r 1.1 TABLE OF CONTENTS 1. 2. SERVICE NOTE ..................


Sony MDX-C7900

...................................... 3 GENERAL Location of Controls (MDX-C790 0) .............................. 4 Loc ation of Controls (MDX-C7900R) ........ ................... 5 Resetting the Uni t ..................................... ...................... 6 Detaching the Front Panel ........................... .................... 6 Preparing the Ro tary Commander ....


Sony MDX-C7900

............................... 6 Settin g the Clock ........................... .................................. 6 In stallation (US, Canadian) ............. ............................... 7 Insta llation (AEP, UK, E) .................. ............................. 8 Connect ions .................................. ................................... 10 3. 4. DISASSEMBL.

Part

MDX-C7900

Description

Service Manual



Feature


www.DataSheet4U.com MDX-C7900/C7900R SE RVICE MANUAL Ver 1.1 2001.08 US Model Canadian Model E Model MDX-C7900 AEP M odel UK Model MDX-C7900R Refer to RM-X 4S Service Manual (9-925698-[][]) issue d previously for information of remote commander (RM-X4S) supplied with this s et. Photo: MDX-C7900 Model Name Using Similar Mechanism Base Mechanism Type Optical Pick-Up Na.
Manufacture

Sony

Datasheet
Download MDX-C7900 Datasheet




 MDX-C7900
MDX-C7900/C7900Rwww.DataSheet4U.com
SERVICE MANUAL
Ver 1.1 2001.08
US Model
Canadian Model
E Model
MDX-C7900
AEP Model
UK Model
MDX-C7900R
Refer to RM-X4S Service Manual (9-925-
698-[][]) issued previously for information
of remote commander (RM-X4S) supplied
with this set.
Photo: MDX-C7900
Model Name Using Similar Mechanism
Base Mechanism Type
Optical Pick-Up Name
NEW
MG-164KT-138
KMS-241A/J2N
SPECIFICATIONS
– Continued on next page –
www.DataSheet4U.com
9-925-787-12
2001H0500-1
C 2001.8
Sony Corporation
e Vehicle Company
Shinagawa Tec Service Manual Production Group
MDX-C7900
FM/AM MINIDISC PLAYER
MDX-C7900R
FM/MW/LW MINIDISC PLAYER




 MDX-C7900
www.DataSheet4U.com
Ver 1.1
TABLE OF CONTENTS
1. SERVICE NOTE ....................................................... 3
2. GENERAL
Location of Controls (MDX-C7900) .............................. 4
Location of Controls (MDX-C7900R) ........................... 5
Resetting the Unit ........................................................... 6
Detaching the Front Panel ............................................... 6
Preparing the Rotary Commander .................................. 6
Setting the Clock ............................................................. 6
Installation (US, Canadian) ............................................ 7
Installation (AEP, UK, E) ............................................... 8
Connections ..................................................................... 10
3. DISASSEMBLY ......................................................... 13
4. ELECTRICAL ADJUSTMENTS
Test Mode ........................................................................ 18
MD Section ..................................................................... 18
Tuner Section .................................................................. 18
5. DIAGRAMS
5-1. Block Diagram – SERVO Section – ............................... 21
5-2. Block Diagram – MAIN Section – ................................. 23
5-3. Block Diagram
– DISPLAY/KEY CONTROL Section – ........................ 25
5-4. Block Diagram
– BUS CONTROL/POWER SUPPLY Section – ........... 27
5-5. Printed Wiring Boards
– MECHANISM DECK Section – ................................. 29
5-6. Schematic Diagram
– MECHANISM DECK Section – ................................. 31
5-7. Schematic Diagram – MAIN Section – .......................... 35
5-8. Printed Wiring Board – MAIN Section – ....................... 39
5-9. Printed Wiring Board – PANEL Section – ..................... 43
5-10. Schematic Diagram – PANEL Section – ........................ 45
5-11. IC Pin Function Description ........................................... 55
6. EXPLODED VIEWS ................................................ 64
7. ELECTRICAL PARTS LIST ............................... 68
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–2–




 MDX-C7900
www.DataSheet4U.com
• Type A/B Discrimination
[MAIN BOARD] (Component Side)
IC700
SECTION 1
SERVICE NOTE
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
ing repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
MB90574PFV-G-113-BND (C7900R: Type A)
MB90574PFV-G-114-BND (C7900: Type A)
MB90F574PFV-G-113 (C7900R: Type B)
MB90F574PFV-G-114 (C7900: Type B)
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED
LINE WITH MARK ! 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 PUB-
LISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE !
SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE
DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIÈCES SONY DONT LES
NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
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–3–






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