Page 1
German Model MDX-C5960R US Model Canadian Model E Model MDX-C5970 AEP Model UK Model MDX-C5970R Photo: MDX-C5960R Model Name Using Similar Mechanism MDX-C7900/C7900R Base Mechanism Type MG-164N-138 Optical Pick-Up Name KMS-241B/J1NP SPECIFICATIONS – Continued on next page – FM/AM (MW/LW) MINIDISC PLAYER...
Page 2
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.
TABLE OF CONTENTS GENERAL Location of controls ............4 Resetting the unit ............5 Detaching the front panel ..........5 Labelling the rotary commander ........5 Using the rotary commander .......... 5 Adjusting the sound characterisitics ....... 5 Attenuating the sound ............. 5 Changing the sound and display settings .......
Page 4
SECTION 1 This section is extracted from instruction manual. GENERAL – 4 –...
Page 10
SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. SUB PANEL 2 sub panel 1 five screws (PTT2.6 × 6) 1 screw (PTT2.6 × 6) MECHANISM DECK (MG-164N-138) 1 two screws (PTT2.6 × 4) 3 mechanism deck (MG-164N-138) 2 connector (CN200)
Page 11
MAIN BOARD, HEAT SINK 5 eight screws (PTT2.6 × 10) 2 three screws (PTT2.6 × 6) (ground point) 1 two screws (PTT2.6 × 10) 6 heat sink 3 main board 4 insulating sheet SERVO BOARD 2 two screws (BVTT2 × 4) 2 two screws (BVTT2 ×...
Page 12
MD COVER ASS’Y 1 four screws (B2 × 3) 3 MD cover ass’y shaft (MD cover guide) cassette holder 2 Pushing the Cassette Holder toward the direction A with a screwdriver, etc., disengage the Shaft (MD Cover Guide) from the slot in the MD Cover Assy. Note: Take care not to scratch the optiocal Pick-up when pushing the Cassette Holder with a screwdriver.
Page 13
LO MOTOR ASS’Y (LOADING) (M903) 4 Remove the bracket (LO) in the direction of the arrow A . 5 LO motor ass’y (loading) 1 Remove solders of motor (M903) (M903) 2 tension spring (rack) 3 claw LEVER (LE) ASS’Y 2 stopper washer 2 lever (LE) ass’y 3 roller (GLE) –...
Page 14
HOLDER ASS’Y 4 Remove the holder ass’y in the direction of the arrow. 2 type-E stopring 1.5 1 spring (CHKG) 2 type-E stopring 1.5 2 type-E stopring 1.5 3 lever (lock R) 3 lever (lock L) 1 spring (CHKG) 2 type-E stopring 1.5 CHUCKING ARM ASS’Y 1 Remove the chucking arm ass’y in the direction of the arrow.
3. AM (MW) Auto Scan/Stop Level Adjustment. 1 kHz, 33.75 kHz 1 kHz, 16.25 kHz main 4. RDS S-Meter Adjustment. (MDX-C5960R/5970R) deviation (45%) deviation (21.7%) 1 kHz, 33.75 kHz 1 kHz, 16.25 kHz FM Auto Scan/Stop Level Adjustment...
Page 17
AM (MW) Auto Scan/Stop Level Adjustment RDS S-Meter Adjustment (MDX-C5960R/C5970R) Adjustment Location: Setting: Setting: [MODE] [SOURCE] button (MDX-C5970): AM button: FM – SET UPPER VIEW – [MODE] button (MDX-C5960R/C5970R): MW FM RF signal FREQUENCY SELECT switch: AM 10 k (E model)
MDX-C5960R/C5970/C5970R 4-3. BLOCK DIAGRAM – MAIN Section – • SIGNAL PATH : MD PLAY CNP300 (1/2) : FM INPUT SELECT, AUDIO IN : AM (MW/LW) ELECTRICAL VOLUME R-CH IC300 : BUS AUDIO IN CNP300 (2/2) DADT, BCK, LOUDNESS VOLUME TONE...
86 HSTX D916 AMP+B BATT B+ S900 ANT+B POWER AMP RESET D702 (IC500) B+ CNJ600 REGULATOR SONY BUS INTERFACE BUS CONTROL IN IC800 IC600 FM B+ (FOR SONY BUS) TUNER B+ FM8V VCC 7 (FM CIRCUIT B+) RESET RESET SYSRST...
MDX-C5960R/C5970/C5970R 4-6. NOTES 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. pF: µµF • Y : parts extracted from the conductor side.
MDX-C5960R/C5970/C5970R 4-8. SCHEMATIC DIAGRAM – SERVO Board (1/3) – • Voltages and waveforms are dc with respect • See page 55 for Waveforms. • See page 58 for IC Block Diagrams. The components identified by mark ! or dotted Les composants identifiés par une marque ! sont to ground under no-signal conditions.
MDX-C5960R/C5970/C5970R 4-9. SCHEMATIC DIAGRAM – SERVO Board (2/3) – • See page 55 for Waveforms. • See page 57 for IC Block Diagrams. (Page 34) (Page 37) • Voltages and waveforms are dc with respect to ground under no-signal conditions.
Page 27
MDX-C5960R/C5970/C5970R • Voltages and waveforms are dc with respect to ground under no-signal conditions. no mark : MD PLAY 4-10. SCHEMATIC DIAGRAM – SERVO Board (3/3) – • See page 55 for Waveforms. ∗ : Impossible to measure (Page 43) (Page 36) –...
• Voltages and waveforms are dc with respect to ground MDX-C5960R/C5970/C5970R under no-signal (detuned) conditions. no mark : FM ) : AM (MW) ] : LW 4-13. SCHEMATIC DIAGRAM – MAIN Board (1/4) – • See page 55 for Waveforms.
MDX-C5960R/C5970/C5970R 4-14. SCHEMATIC DIAGRAM – MAIN Board (2/4) – (Page (Page 49) • Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : FM – 45 – – 46 –...
MDX-C5960R/C5970/C5970R 4-15. SCHEMATIC DIAGRAM – MAIN Board (3/4) – • • See page 55 for Waveforms. See page 60 for IC Block Diagrams. (Page 44) (Page 49) • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions.
MDX-C5960R/C5970/C5970R 4-16. SCHEMATIC DIAGRAM – MAIN Board (4/4) – • See page 61 for IC Block Diagrams. (Page 45) (Page (Page 53) (Page 48) • Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : FM...
MDX-C5960R/C5970/C5970R 4-18. SCHEMATIC DIAGRAM – KEY Board – • See page 56 for Waveforms. (Page 50) • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM – 53 – – 54 –...
PHASE CHARGE LOGIC COM- PUMP PARATOR IIC BUS REFERENCE SWITCH PORT INTERFACE OSCILLATOR LP1/LP2 EXTENSION IC102 SAA6588T-118 (MDX-C5960R/C5970R) IC250 NJM2360AM (TE2) 8 CD 7 SI POWER SUPPLY PAUSE & RESET DETECTOR MULTI 6 V+ CT OSC PATH 57kHz DETECTOR 8th ORDER...
Page 41
IC300 TDA7462D013TR SE3L SE3R MUTE PAUSE PAUSE DETECT FRONT INPUT TREBLE/ OUT FL VOICE BANDPASS LOUDNESS VOLUME FADER GAIN & SOFT BASS CONTROL CONTROL SE1L MUTE AUTO CONTROL CIRCUIT CIRCUIT SE1R ZERO CIRCUIT FRONT MD– OUT FR FADER CDL+ CDL– COMPANDER CDR–...
4-19. IC PIN FUNCTION DESCRIPTION • SERVO BOARD IC301 CXD2652AR (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER, 2M BIT D-RAM) Pin No. Pin Name Function Focus OK signal output to the MD mechanism controller (IC501) MNT0 “H”...
Page 43
Pin No. Pin Name Function Two-way data bus with the D-RAM (IC307) MVCI Digital in PLL oscillation input from the external VCO Not used (fixed at “L”) ASYO Playback EFM full-swing output terminal ASYI I (A) Playback EFM asymmetry comparator voltage input terminal AVDD —...
Page 44
Pin No. Pin Name Function SFDR Sled servo drive PWM signal (+) output to the BH6511FS (IC303) SPRD Spindle servo drive PWM signal (–) output to the BH6511FS (IC303) SPFD Spindle servo drive PWM signal (+) output to the BH6511FS (IC303) FGIN Not used (fixed at “L”) TEST1...
Page 45
• SERVO BOARD IC302 CXA2523R (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name Function I-V converted RF signal I input from the optical pick-up block detector I-V converted RF signal J input from the optical pick-up block detector Middle point voltage (+1.65V) generation output terminal 4 to 9 A to F Signal input from the optical pick-up detector...
Page 46
Two way data bus with the external EEPROM device Not used (open) MD-SO Writing serial data signal output to the CXD2652AR (IC301) and CXA2523R (IC302) LINKOFF Unilink on/off control signal output for the SONY bus “L”: link on, “H”: link off – 66 –...
Page 47
Pin Name Function UNIREQ Data request signal output terminal (for SONY bus) “H”: request on Not used (open) Serial clock signal input from the master controller (IC700) or serial clock signal output to the UNICKIO SONY bus interface (IC600) and master controller (IC700) (for SONY bus)
Page 48
Serial data output to the SONY bus interface (IC600) Serial clock signal output to the MD mechanism controller (IC501) and SONY bus interface UNI CKIO (IC600) or serial clock signal input from the MD mechanism controller (IC501) (for SONY bus) Not used (open) SIRCS Sircs remote control signal input terminal Not used (fixed at “L”)
Page 49
D-BASS switch (LSW805) input terminal (A/D input) Noise level detection signal input at SEEK mode (A/D input) QUALITY Used for the MDX-C5960R/C5970R only (MDX-C5970: Not used (open)) Multi-path detection signal input from the RDS decoder (IC102) (A/D input) MPDH (MTP)
Page 50
Pin No. Pin Name Function Not used (open) Battery detect signal input from the SONY bus interface (IC600) and battery detect circuit BU-IN “L” is input at low voltage 77, 78 Not used (open) Input of acknowledge signal for the key entry Acknowledge signal is input to accept function KEYACK and eject keys in the power off status On at input of “H”...
Page 51
Pin No. Pin Name Function Tuner system power supply on/off control signal output to the BA3918 (IC800) TU-ON “H”: tuner power on Not used (open) 112 to 118 — Ground terminal Not used (open) – 71 –...
SECTION 5 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark are seldom required for routine service. Some may have some difference from the original ! are critical for safety.
Page 54
(3) MECHANISM DECK SECTION-1 (MG-164N-138) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 A-3317-459-A SERVO BOARD, COMPLETE * 110 3-032-712-01 LEVER (LOCK R) * 102 X-3376-799-1 CHASSIS ASSY, MD 3-919-281-01 SPRING (CHUCKING) 3-032-714-01 SPRING (FLOAT F), TENSION * 112 X-3376-800-1 COVER ASSY, MD 3-921-111-01 SPRING (FL 2), TENSION...
Page 55
(4) MECHANISM DECK SECTION-2 (MG-164N-138) M903 M901 M902 The components identified by Les composants identifiés par une mark ! or dotted line with marque ! sont critiques pour la mark ! are critical for safety. sécurité. Replace only with part num- Ne les remplacer que par une pièce ber specified.
SECTION 6 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark are seldom required for routine service. parts list may be different from the parts speci- ! are critical for safety.