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Sony ICF-CD523 Service Manual

Fm/am cd kitchen clock radio
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SERVICE MANUAL
Ver. 1.1 2006.02
CD player section
System: Compact disc digital audio system
Laser diode properties:
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance of
about 200 mm from the objective lens surface on
the optical pick-up block with
7 mm aperture.)
Frequency response: 20-20 000 Hz
Wow and flutter: Below measurable limit
Radio section
Frequency range:
Model for North America
Band
FM
AM
Model for other countries/regions
Band
FM
AM
FM
AM
Sony Corporation
9-887-027-02
Personal Audio Division
2006B05-1
Published by Sony Techno Create Corporation
© 2006.02
SPECIFICATIONS
+1
dB
-2
Frequency range
Channel step
87.5-108 MHz
0.1 MHz
530-1 710 kHz
10 kHz
Frequency range
Channel step
87.5-108 MHz
0.05 MHz
531-1 602 kHz
9 kHz
87.5-108 MHz
0.1 MHz
530-1 610 kHz
10 kHz
ICF-CD523
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-UP Block Name
Optical Pick-UP Name
General
Time display:
North America: 12-hour system
Other countries/regions: 24-hour system
Speaker:
inches) dia., 4 Ω
5
66 mm (2
8
Power outputs:
1.2 W + 1.2 W
(at 10 % harmonic distortion)
Power requirements:
North American model: 120 V AC, 60 Hz
Other models/regions: 230 V AC, 50 Hz
Dimensions:
Approx. 365 × 106 × 281 mm (w/h/d)
× 4
× 11
3
1
(Approx. 14
8
4
incl. projecting parts and controls
Mass:
Approx. 3.0 kg (6 lb. 9 oz.)
Supplied accessories:
Mounting screws (4), Template (1),
Spacers (4), Cord clamp (1)
Design and specifications are subject to change
without notice.
FM/AM CD KITCHEN CLOCK RADIO
US Model
Canadian Model
AEP Model
NEW
FLM-CD523-197
KSM-213CCP
KSS-213C
1
inches)
8

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  Summary of Contents for Sony ICF-CD523

  • Page 1 87.5-108 MHz 0.05 MHz without notice. 531-1 602 kHz 9 kHz 87.5-108 MHz 0.1 MHz 530-1 610 kHz 10 kHz FM/AM CD KITCHEN CLOCK RADIO Sony Corporation 9-887-027-02 Personal Audio Division 2006B05-1 Published by Sony Techno Create Corporation © 2006.02...
  • Page 2: Table Of Contents

    WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR PUBLIÉS PAR SONY.
  • Page 3: Servicing Notes

    ICF-CD523 Ver. 1.1 SECTION 1 SERVICING NOTES MODEL IDENTIFICATION NOTES ON HANDLING THE OPTICAL PICK-UP – Top View – BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electro-  MODEL NO. ICF-CD523 static break-down because of the potential difference generated by the charged electrostatic load, etc.
  • Page 4: General

    ICF-CD523 SECTION 2 This section is extracted from instruction manual. GENERAL Installing the Unit AC power cord Cord clamp Cordon d’alimentation secteur Attache de cordon Under a Cabinet (See Fig. A) The unit can be installed without the spacer. Mark the position of the 4 holes by using the supplied template.
  • Page 5: Disassembly

    ICF-CD523 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW Note 1: The process described in can be performed in any order. Note 2: Without completing the process described in , the next process can not be performed.
  • Page 6: Cabinet (Upper)

    ICF-CD523 Note: Follow the disassembly procedure in the numerical order given. 3-2. CABINET (UPPER) 2 eight screws 2 seven screws (B3 ) (B3) 3 screw (M2.6) 4 cabinet (upper) 1 knob (VOL) 3-3. CABINET (FRONT) ASSY 6 connector 2 two claws...
  • Page 7: Cd Mechanism Deck (Flm-Cd523-197)

    ICF-CD523 3-4. CD MECHANISM DECK (FLM-CD523-197) 7 CD mechanism deck (FLM-CD523-197) 3 connector (CN701) 6 chassis 5 four screws (B3) 4 flexible flat cable (16core) (CN501) 1 connector (CN503) 3-5. MAIN BOARD 2 connector (CN301) 4 six screws 3 connector...
  • Page 8: Chuck Plate Assy

    ICF-CD523 3-6. CHUCK PLATE ASSY 1 two screws (P2.6 × 8) 2 chuck plate assy 3-7. TRAY 2 claw 1 Turn the drive gear in the direction of the arrow A . 2 claw 3 tray...
  • Page 9: Loading Board

    ICF-CD523 3-8. LOADING BOARD 1 belt 2 two screws (M2 × 3) 3 claw 3 claw 4 LOADING board 3-9. BASE UNIT ASSY 1 two screws (PWH2.6 × 10) 2 boss 4 base unit assy 3 boss 2 boss...
  • Page 10: Optical Pick-Up Block (Ksm-213Ccp)

    ICF-CD523 3-10. OPTICAL PICK-UP BLOCK (KSM-213CCP) 2 arm 4 vibration proof rubber (red) 4 vibration proof rubber 3 vibration proof rubber (red) (green) 5 optical pick-up block (KSM-213CCP) 1 two screws (PWH2.6 × 10) 3 vibration proof rubber (green) 3-11. OPTICAL PICK-UP...
  • Page 11: Test Mode

    ICF-CD523 SECTION 4 TEST MODE 4-1. LCD TEST MODE 4-2. CD TEST-1 (AUTO) MODE Setting the Test Mode Setting the Test Mode Turn the power on while pressing u , > and [ALARM ON/ Short the solder bridge of BP404 on the MAIN board (connect OFF] buttons simultaneously.
  • Page 12 ICF-CD523 4-3. CD TEST-2 (MANUAL) MODE Setting the Test Mode • Short the solder bridge of BP403 on the MAIN board (connect IC401 tk pin and ground) and turn the power on. Operation of Test Mode 1. Insert the CD test disc PATD-012. (Parts No. 4-225-203-01) 2.
  • Page 13: Electrical Adjustments

    ICF-CD523 Ver. 1.1 SECTION 5 ELECTRICAL ADJUSTMENTS 0 dB=1 µV TUNER SECTION [AM] AM TRACKING ADJUSTMENT Setting: Adjust for a maximum reading on level meter Function : RADIO 450 kHz Band : AM Put the lead-wire ): AEP model AM RF signal...
  • Page 14 ICF-CD523 CD SECTION CD section adjustments are done automatically in this set. In case of operation check, confirm that focus bias. FOCUS BIAS CHECK Connection: oscilloscope (AC range) MAIN board TP513 (RF) – TP568 (GND) Procedure: 1. Connect the oscilloscope to TP513 (RF) and TP568 (GND) on the MAIN board.
  • Page 15 ICF-CD523 Adjustment and Connecting Location: FM Tracking Adjustment – MAIN Board (Component Side) – AM Frequency Coverage Adjustment AM Tracking Adjustment FM VCO AM IF Adjustment Adjustment FM Frequency Coverage Adjustment – MAIN Board (Conductor Side) – TP513 (RF) TP568...
  • Page 16 ICF-CD523 MEMO...
  • Page 17: Diagrams

    ICF-CD523 Ver. 1.1 SECTION 6 DIAGRAMS • Note For Printed Wiring Boards and Schematic Diagrams • Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. (p: pF) TRANS board •...
  • Page 18: Printed Wiring Board - Main Section

    ICF-CD523 Ver. 1.1 • See page 17 for Circuit Boards Location. 6-1. PRINTED WIRING BOARD – MAIN Section – : Uses unleaded solder. • Semiconductor Location Ref. No. Location TRANS BOARD CN901 KH901 (Page 24) L901 C905 L902 D902 D301...
  • Page 19: Printed Wiring Boards - Panel Section

    ICF-CD523 • See page 17 for Circuit Boards Location. 6-2. PRINTED WIRING BOARDS – PANEL Section – : Uses unleaded solder. CN406 LCD BOARD LCD401 LIQUID CRYSTAL DISPLAY MAIN BOARD D402 CN405 (LCD BACK LIGHT) (Page 18) R486 (11) 1-869-415-...
  • Page 20: Schematic Diagram - Main Section (1/4)

    ICF-CD523 Ver. 1.1 • See page 25 for Waveforms. • See page 30 for IC Pin Function Description. 6-3. SCHEMATIC DIAGRAM – MAIN Section (1/4) – LCD401 (1/4) LIQUID CRYSTAL DISPLAY D402 SLA-360MT3F LCD BACK CN405 CN406 R486 C401 C402 LIGHT 0.01...
  • Page 21: Schematic Diagram - Main Section (2/4)

    ICF-CD523 Ver. 1.1 • See page 25 for Waveforms. • See page 26 for IC Block Diagrams. 6-4. SCHEMATIC DIAGRAM – MAIN Section (2/4) – (2/4) 470p (VT) 100k 100k 1000p 1000p 1000p HVU202 3.3k 0.01 0.01 FM RF HVU202...
  • Page 22: Schematic Diagram - Main Section (3/4)

    ICF-CD523 Ver. 1.1 • See page 25 for Waveforms. • See page 26 for IC Block Diagrams. 6-5. SCHEMATIC DIAGRAM – MAIN Section (3/4) – (Page 20) (3/4) LOADING S701 MOTOR DRIVE DISC TRAY IC701 OPEN/CLOSE BA6208 DETECT C705 R703...
  • Page 23: Schematic Diagram - Main Section (4/4)

    ICF-CD523 Ver. 1.1 • See page 26 for IC Block Diagrams. 6-6. SCHEMATIC DIAGRAM – MAIN Section (4/4) – (Page 21) (4/4) Q101 2SC2412K LINE AMP IC301(1/2) BA4558F (FOR TUNER) C103 C104 0.047 0.047 C119 JC101 R107 1.5k Q102 R108...
  • Page 24: Printed Wiring Boards - Motor/Volume/Trans Section

    ICF-CD523 Ver. 1.1 • See page 17 for Circuit Boards Location. 6-7. PRINTED WIRING BOARDS – MOTOR/VOLUME/TRANS Section – : Uses unleaded solder. VOLUME BOARD JW341 C210 C212 M701 JW342 Q205 (LOADING) E C B W301 JW343 S301 MEGA BASS...
  • Page 25 ICF-CD523 • Waveforms – MAIN Board – IC401 yk (X2) (CD play mode) IC501 rg (TEO) (CD play mode) Approx. 3.9 Vp-p 110 mVp-p 238 ns 1 V/DIV, 100 ns/DIV 100 mV/DIV, 500 ns/DIV IC401 us (XT2) IC551 wa (MDP) (CD play mode) 1.2 Vp-p...
  • Page 26 ICFCD523 • IC Block Diagrams – MAIN Board – IC1 CXA1238M-T6 FM FRONT-END AM FRONT-END REGULATOR FM IF/ DISCRI REGULATOR AM IF/ COUNTER COUNTER AUTO TUNING BLEND INDICATOR MONO/STEREO MUTING SELECT BAND-PASS MUTE DECORD RIPPLE FILTER 11 12 13 14 15 IC51 BU2614FS IC351 LA4629 OUTPUT...
  • Page 27 ICF-CD523 IC501 CXA1992BR 33 32 31 30 PD 2 PD 1 I-V AMP I-V AMP RF SUMMING FOCUS OK COMPARATOR LASER POWER CONTROL IFB1 – IFB6 PEAK/BOTTOM MIRR HOLD COMPARATOR ↓ DEFECT PEAK/BOTTOM BIAS HOLD FOCUS BIAS FOCUS ERROR WINDOW...
  • Page 28 ICFCD523 IC551 CXD2589Q 59 58 57 54 53 52 51 SYSM SERIAL-IN INTERFACE LRCKI LRCK AVSS OVER SAMPLING ASYO DIGITAL FILTER ASYI ASYMMETRY DEMODULATOR CORRECTOR BIAS AVDD 3rd-ORDER AVDD NOISE SHAPER AOUT1 AIN1 CLTV LOUT1 AVSS ERROR XVDD CORRECTOR AVSS XTAI SUB CODE PROCESSOR...
  • Page 29 ICF-CD523 IC591 BA5826FP-E2 SP– D.BUFF SL– D.BUFF LEVEL D.BUFF SHIFT D.BUFF SPIN LEVEL SHIFT SLIN THERMAL SHUT-DOWN MONITOR (SLIN) REG–B VREF REGO MUTE (FIN) DRIVER MUTE (TIN) LEVEL LEVEL SHIFT D.BUFF SHIFT D.BUFF F– T– D.BUFF D.BUFF OPOUT OPIN IC701 BA6208...
  • Page 30 ICFCD523 Ver. 1.1 • IC Pin Function Description MAIN BOARD IC401 uPD789406AGC-044-8BT-A (SYSTEM CONTROLLER) Pin No. Pin Name Description VDD1 Power supply terminal (+5V) BIAS Bias output for the liquid crystal display drive 3 to 5 VLC0 to VLC2 Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage VSS1 Ground terminal 7 to 10...
  • Page 31 ICF-CD523 Pin No. Pin Name Description VSS0 Ground terminal VDD0 Power supply terminal (+5V) Sub system clock output terminal (32.768 kHz) Sub system clock input terminal (32.768 kHz) Internal connection terminal (connected to ground) TRAY OPEN Motor drive signal output to the loading motor drive "H": disc tray out TRAY CLOSE Motor drive signal output to the loading motor drive "H": disc tray in...
  • Page 32: Exploded Views

    ICF-CD523 Ver. 1.1 SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark 0 are may have some difference from the original are seldom required for routine service.
  • Page 33: Cabinet (Front) Section

    ICF-CD523 Ver. 1.1 7-2. CABINET (FRONT) SECTION LCD401 LCD board not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-2109-180-1 CABINET (FRONT) SUB ASSY (US) 3-254-070-01 SCREW X-2109-181-1 CABINET (FRONT) SUB ASSY (CND, AEP)
  • Page 34: Cabinet (Lower) Section

    ICF-CD523 Ver. 1.1 7-3. CABINET (LOWER) SECTION not supplied SP102 MAIN board SP202 SP101 not supplied supplied not supplied T901 SP201 supplied supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 0 111 3-049-248-21 CABINET (LOWER) (US)
  • Page 35: Cd Mechanism Deck Section (Flm-Cd523-197)

    ICF-CD523 7-4. CD MECHANISM DECK SECTION (FLM-CD523-197) not supplied not supplied base unit section not supplied M701 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-028-010-02 TRAY 3-921-725-11 SCREW (2.6X10), +PWH 3-028-019-02 PLATE, CHUCK 3-028-009-12 CHASSIS...
  • Page 36: Base Unit Section (Flm-Cd523-197)

    ICF-CD523 7-5. BASE UNIT SECTION (FLM-CD523-197) optical pick-up section (KSM-213CCP) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-921-725-01 SCREW (2.6X10), +PWH 3-028-011-01 ARM 3-931-379-31 RUBBER, VIBRATION PROOF (GREEN) 3-931-379-21 RUBBER, VIBRATION PROOF (RED)
  • Page 37: Optical Pick-Up Section (Ksm-213Ccp)

    ICF-CD523 7-6. OPTICAL PICK-UP SECTION (KSM-213CCP) not supplied not supplied not supplied (M591) M592 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 0 601 8-848-483-12 OPTICAL PICK-UP (KSS-213C/C2RP1) X-2646-381-2 CHASSIS ASSY (MB), MOTOR 2-626-907-11 GEAR (A)
  • Page 38: Electrical Parts List

    ICF-CD523 Ver. 1.1 SECTION 8 KEY (F) KEY (P) ELECTRICAL PARTS LIST LOADING MAIN NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark 0 are parts list may be different from the parts are seldom required for routine service.
  • Page 39 ICF-CD523 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-162-970-11 CERAMIC CHIP 0.01uF C152 1-126-963-41 ELECT 4.7uF 1-126-961-11 ELECT 2.2uF C155 1-126-926-11 ELECT 1000uF 1-124-584-00 ELECT 100uF C202 1-162-965-11 CERAMIC CHIP 0.0015uF 10% 1-125-891-11 CERAMIC CHIP 0.47uF...
  • Page 40 ICF-CD523 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C433 1-162-927-11 CERAMIC CHIP 100PF C555 1-164-315-11 CERAMIC CHIP 470PF C556 1-162-927-11 CERAMIC CHIP 100PF C434 1-162-927-11 CERAMIC CHIP 100PF C557 1-164-227-11 CERAMIC CHIP 0.022uF...
  • Page 41 ICF-CD523 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C913 1-128-547-11 ELECT 6800uF C914 1-162-970-11 CERAMIC CHIP 0.01uF IC402 8-759-165-89 IC PST600L-T C915 1-126-934-11 ELECT 220uF IC501 8-752-082-14 IC CXA1992BR C916 1-126-935-11 ELECT...
  • Page 42 ICF-CD523 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > R208 1-216-839-11 METAL CHIP 1/10W R209 1-216-847-11 METAL CHIP 150K 1/10W 1-216-845-11 METAL CHIP 100K 1/10W R210 1-216-855-11 METAL CHIP 680K 1/10W 1-216-845-11 METAL CHIP...
  • Page 43 ICF-CD523 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R434 1-216-821-11 METAL CHIP 1/10W R513 1-216-847-11 METAL CHIP 150K 1/10W R435 1-216-821-11 METAL CHIP 1/10W R514 1-216-833-11 METAL CHIP 1/10W R436 1-216-821-11 METAL CHIP...
  • Page 44 ICF-CD523 Ver. 1.1 MAIN MOTOR TRANS VOLUME Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R705 1-216-837-11 METAL CHIP 1/10W < RESISTOR > R901 1-216-809-11 METAL CHIP 1/10W R902 1-216-845-11 METAL CHIP 100K 1/10W R116 1-216-821-11 METAL CHIP...
  • Page 45 ICF-CD523 MEMO...
  • Page 46 ICF-CD523 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2006.01...