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CDX-1000RF
SERVICE MANUAL
US Model
Model Name Using Similar Mechanism CDX-2500R
CD Drive Mechanism Type MG-363X-121
SPECIFICATIONS
Optical Pick-up Name KSS-521A
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
13 watts per channel minimum continuous average power into
4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more
than 1% total harmonic distortion.
Other Specifications
General
CD player section
System Compact disc digital audio Outputs Line outputs
Power require
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SERVICE NOTE TABLE OF CONTENTS 1. GENERAL CAUTION Location of controls ................................................................. 3 Use of controls or adjustments or performance of proce- Getting Started ......................................................................... 3 dures other than those specified herein may result in haz- Operation ................................................................................. 3 ardous radiation exposure. Connections .....................
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SECTION 1 This section is extracted GENERAL from instruction manual. 3
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4
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SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. PANEL ASSY, FRONT 3 claw 2 claws 1 claws 4 CNP801 5 panel assy, front 2-2. CD MECHANISM BLOCK 2 PTT 2.6x6 7 PTT 2.6x6 8 bracket (M/D) 3 PTT 2.6x6 5 CD mechanism block 6 PTT 2.6x6 4 CNP701 1 PTT 2.6x6 5
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2-3. MAIN BOARD 6 MAIN board 5 ground point screw 4 ground point screws (PTT 2.6x6) (PTT 2.6x6) 3 PTT 2.6x6 2 PTT 2.6x6 1 PTT 2.6x6 2-4. CHASSIS (REAR) 4 chassis (rear) 3 PTT 2.6x6 2 PTT 2.6x6 1 PTT 2.6x6 6
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2-5. CHASSIS (T) SUB ASSY 4 P 2x3 3 P 2x3 5 chassis (T) sub assy 1 Unsolder the lead wires. 2 P 2x3 red white black 2-6. LEVER ASSY 5 guide (disc) 6 lever (R) assy 3 tension spring (LR) 7 lever (L) assy 1 PS 2x4 2 DISC IN SW board 4 claws 7
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2-7. SERVO BOARD 8 PS 2x4 7 PS 2x4 2 CN2 3 Removal the solders. 1 CN3 5 P 2x3 9 SERVO board 4 Removal the solders. 6 loading motor assy 2-8. ROLLER ASSY • When installing, take note of the positions arm (roller) and washers. (Fig. 1) spacer, insulating washer ring (roller), retaining arm arm Fig. 1 3 roller assy 4 PS 2x3 2 arm (roller) 5 LOAD SW board 1 tension spring (RA) 8
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2-9. CHASSIS (OP) (O/S) ASSY 7 chassis (OP) (O/S) assy 8 compression spring (FL) 1 tension spring (KF1) 9 compression spring (FL) 2 tension spring (KR1) 5 Fit lever (D) in the direction of the arrow. 6 Turn loading ring in the direction of the arrow. 3 damper (T) 4 damper (T) 2-10. OPTICAL PICK-UP BLOCK 1 P 2x3 2 sled motor assy 3 optical pick-up block 9
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SECTION 3 ELECTRICAL ADJUSTMENTS CD SECTION Focus Gain Adjustment (Coarse adjustment) This adjustment is not required unless the following parts are replaced: • Optical pick-up Note: • RV4 1. CD Block basically constructed to operate without adjustment. Therefore, check each item in order given. Procedure: 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. 1. Set RV4 to the standard position. (mechanical center) 3. Use the oscilloscope with more than 10 MΩ impedance. 2. Check wheth
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SECTION 4 DIAGRAMS 4-1. IC PIN DESCRIPTION • IC801 µ PD17705GC-547-3B9 (SYSTEM CONTROL) Pin No. Pin Name I/O Pin Description Pin No. Pin Name I/O Pin Description 1 NC — Not used. (Connect to ground in this set.) 69 CD_RST O Reset output to CD signal processor IC. 2 IN_SW I Disc insertion detection input L: IN_SW 70 SQ_SI I Sub Q data input 3 D_SW I DOWN switch detection input L: D_SW 71 CD_SO0 O CD signal serial data output 4 SELF_SW I Disc self store detection input L: SELF_SW 72 CD
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CDX-1000RF 4-2. BLOCK DIAGRAM — CD SECTION (1/2) — OPTICAL PICK-UP RF AMP, SERVO CONTROL DIGITAL SIGNAL PROCESSOR D/A CONVERTER KSS-521A IC2 IC1 IC701 CD 35 PD1 RF 0 31 14 RF PCMD 21 5 DIN VOUTL 12 CD L-CH SECTION A 36 PD2 I-V (2/2) 39 E CLK 19 59 CLKO BCK 22 6 BCKIN VOUTR 9 CD R-CH AMP (Page 13) 38 F XLT 20 57 XLTO LRCK 20 4 LRCIN DATA 21 56 DATO XTAI 34 19 CLKO SENS 24 54 SEIN FOK 25 1 FOK 1 XTI X701 1 FEO C. OUT 23 55 CNIN 16.9344MHz SYSTEM CONTROL 20 XTO IC801 (1/3) 2 FEI RV4 15 RSTB MC/DM1
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CDX-1000RF 4-3. BLOCK DIAGRAM — CD SECTION (2/2) — (Page 12) CD ELECTRONIC VOLUME SECTION IC401 (1/2) -1 2 1 CD L-CH A L PJ401 AUDIO OUT -2 CD R-CH L/R L/R MUTE R VOLUME LEVEL Q401 CONTROL CONTROL VOLUME Q30 Q29 CONTROL Q22 LEVEL CONTROL RY1 Q23 MPX DEVIATION L101 CNJ601 IC1 L2 RV10 (ANTENNA IN) RF OSC D1 BUFFER RF AMP L IN MPX OUT 13 CN601 2 10 18 Q1 Q2,3 (ANTENNA OUT) BALANCE 15 L1 BATT 1 CD R-CH R IN TUNER +5V RF PMUTE Q45 D2 BALANCE 17 TRANSMITTER 6 OSC RELAY L/R BALANCE X1 SWITCH MUTE BUFFE
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CDX-1000RF 4-4. BLOCK DIAGRAM — DISPLAY, POWER SUPPLY SECTION — LIQUID CRYSTAL DISPLAY PANEL SYSTEM CONTROL LCD DRIVER LCD851 IC801 (3/3) IC851 80 RESET LCD_DAT 66 62 DATA COM1 64 17 LCD_CLK CLK COM2 65 61 63 16 S881 LCD_CE 58 60 CE (RESET) 6 26 LCD_INH 67 57 INH I I 23 24 • S6-S26 18 D905 25 • I S28-S30 27 15 • I 29 1 I BACK-UP 31 CHECK BU_IN 78 Q908,911,912 D906 PL851 46 PH2 LCD DRIVER D861-868 LCD POWER +B REG CONTROL Q917 Q913,915 53 CD_ON 52 LM_ON ILLON 54 CD MD CD POWER MD POWER CD +5V +
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4-5. CIRCUIT BOARDS LOCATION • Waveforms (MODE:PLAY) THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. 1 (In addition to this, the necessary note is printed in each block.) 0V for schematic diagram: • All capacitors are in µF unless otherwise noted. pF: µµF Approx. 620mVp-p 50 WV or less are not indicated except for electrolytics SUB board (FEO) IC2 1 DISC IN SW board and tantalums. 1 • All resistors are in Ω and /4 W or less unless otherwise 2 specified. • % : indicates
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CDX-1000RF 4-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 15 for Circuit Boards Location. • Semiconductor Location Ref. No. Location IC1 D-2 IC2 E-5 IC3 B-2 Q1 F-5 Q2 F-6 (Page 18) 16 16
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CDX-1000RF 4-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 15 for Waveforms. • Refer to page 23 for IC Block Diagrams. (Page 19) Note: • Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : CD PLAY : Impossible to measure ∗ 17 17
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CDX-1000RF 4-8. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 15 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D1 F-13 D2 F-11 D401 A-7 D402 A-8 D901 F-1 D902 D-1 D903 H-1 D904 I-1 D905 J-2 D906 D-2 D907 C-2 D908 B-4 D912 K-3 D913 C-4 D919 D-12 IC1 E-11 IC401 C-8 IC701 F-4 IC801 I-8 Q1 E-12 Q2 G-13 Q3 F-13 Q15 E-12 Q16 D-11 Q21 G-13 Q22 G-11 Q23 G-11 Q27 C-9 Q28 C-9 Q29 A-9 Q30 A-9 Q45 E-8 Q65 E-8 Q81 F-9 Q82 F-9 Q401 C-10 Q402 C-10 Q403 B-7 Q404 A-8 Q901 G-1 Q
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CDX-1000RF 4-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 21 for Waveforms. • Refer to page 25 for IC Block Diagrams. 8 10 11 (Page 17) 9 (Page 20) 12 (Page 21) Note: • Voltage is dc with respect to ground under no-signal condition. no mark : CD PLAY 19 19
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CDX-1000RF 4-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 21 for Waveforms. • Refer to page 25 for IC Block Diagrams. 13 (Page 19) Note: • Voltage is dc with respect to ground under no-signal condition. no mark : CD PLAY 20 20
