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SERVICE MANUAL
Ver 1.1 2001. 04
CD player section
System: Compact disc digital audio system
Laser diode properties: Material: GaAlAs
Wavelength: 780 nm
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:
Band
US, Canadian:
FM
87.5-108 MHz
AM
530-1,710 kHz
AEP:
FM
87.5-108 MHz
AM
531-1,602 kHz
530-1,610 kHz
Australian:
FM
87.5-108 MHz
AM
531-1,602 kHz
Sony Corporation
9-927-915-12
2001D1600-1
Personal Audio Company
© 2001.4
Shinagawa Tec Service Manual Production Group
ICF-CD823
SPECIFICATIONS
General
Time display:
North and South America and Australia:
Other countries: 24-hour system
Speaker:
77 mm (3
Output:
i (headphones) jack (ø 3.5 mm stereo minijack)
+1
dB
Power outputs:
–1.5
1.2 W + 1.2 W
Power requirements:
North and South American model:
Channel step
Australian model:
0.1 MHz
10 kHz
Other models:
Dimensions:
0.05 MHz/0.1 MHz
Approx. 250 × 153 × 207 mm (w/h/d)
9 kHz
10 kHz
Mass:
0.05 MHz
Approx. 1,700 g (3 lb. 12 oz.)
9 kHz
Design and specifications are subject to change
without notice.
Canadian Model
Australian Model
Model Name Using Similar Mechanism
Optical Device Name
Optical Pick-UP Name
12-hour system
inches) dia., 4 Ω
1
8
(except North American model)
(at 10% harmonic distortion)
120 V AC, 60 Hz
240 V AC, 50 Hz
220-230 V AC, 50 Hz
× 6
× 8
7
1
1
(Approx. 9
inches) incl.
8
8
4
projecting parts and controls
FM/AM CD CLOCK RADIO
US Model
AEP Model
NEW
KSM-213CDM
KSS-213C

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Summary of Contents for Sony ICF-CD823

  • Page 1 ICF-CD823 SERVICE MANUAL US Model Canadian Model Ver 1.1 2001. 04 AEP Model Australian Model Model Name Using Similar Mechanism Optical Device Name KSM-213CDM Optical Pick-UP Name KSS-213C SPECIFICATIONS CD player section General System: Compact disc digital audio system Time display:...
  • Page 2: Table Of Contents

    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.
  • Page 3 LASER DIODE AND FOCUS SEARCH OPERATION CHECK NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT 1. Open the CD lid. The laser diode in the optical pick-up block may suffer electrostatic 2. Turn on S501 as following figure. break-down because of the potential difference generated by the 3.
  • Page 4: General

    SECTION 1 GENERAL This section is extracted from instruction manual. Setting the Clock and Date 1 Set the alarm setting dial to ALARM MODE OFF. 2 Plug in the clock radio. The display will flash “AM 12:00” or “0:00”. 3 Press CLOCK for a few seconds. You will hear a beep and the year will start to flash in the display.
  • Page 5: Disassembly

    SECTION 2 DISASSEMBLY • The equipment can be removed using the following procedure. Main board Cabinet, lower Panel (front) sub assy Transformer board Optical pick-up block (KSM-213CDM) Note: Follow the disassembly procedure in the numerical order given. 2-1. CABINET, LOWER 2 Two screws (+P 3 ×...
  • Page 6: Main Board

    2-2. MAIN BOARD 1 Four screws (+P 3 × 6) 4 Panel (front) assy 0 Flat cable 9 Screw (+P 3 × 6) 8 Screw (+P 3 × 6) qs Main board 2 Connector 5 Screw 3 Connector (+P 3 × 6) 6 Connector 7 Key (upper) board qa Connector...
  • Page 7: Transformer Board

    2-4. OPTICAL PICK-UP BLOCK (KSM-213CDM) 1 Screw (+P 3 × 6) 2 Cover (unit) 4 Two screws 3 Two screws (2.6 × 10) (2.6 × 10) 5 Optical pick-up block (KSM-213 CDM) 2-5. TRANSFORMER BOARD 1 Screw (+BTP 3 × 10) 3 Two screws (+BTP 3 ×...
  • Page 8: Test Mode

    SECTION 3 TEST MODE 3-1 LCD Test Mode • The LCD test mode is initiated by turning off the main power once then back on or by resetting the machine while TP415 (LCD TEST, pin- 60 terminal) is connected to GND. (LCD segment) •...
  • Page 9 CD TEST-1 FOCUS Auto adjustment Rough servo BAND +button CD button button button TEST MODE END The second music Servo ON Sled maement CD STOP button played back. BAND +button CD button button button jump has been set? Execntes the Sets the respective TRACKING setting of jump.
  • Page 10: Electrical Adjustments

    SECTION 4 ELECTRICAL ADJUSTMENTS PRECAUTION FM VCO Adjustment • Adjustment should be performed in the order given. Procedure: FM RF signal TUNER SECTION 0 dB=1 µV generator [FM] 0.01 µF Setting: Function switch : RADIO Carrier frequency: 98 MHz BAND switch : FM Modulation: no modulation Output level: 0.1 V (100 dB) FM RF signal...
  • Page 11: Diagrams

    ICF-CD823 SECTION 5 DIAGRAM 5-1. BLOCK DIAGRAM Note on Printed Wiring Board: • Waveforms AEP, Australian model • X : parts extracted from the component side. • b : Pattern from the side which enables seeing. IC401 ud (XT1) FM/AM...
  • Page 12: Main Section (1/2)

    ICF-CD823 5-3. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) – • Refer to page 13 for Waveforms. • Refer to page 25 for IC Pin Function Description. • Refer to page 26 for IC Block Diagrams. — 14 — — 15 —...
  • Page 13 ICF-CD823 5-4. SCHEMATIC DIAGRAM – MIAN SECTION (2/2) – • Refer to page 13 for Waveforms. • Refer to page 26 for IC Block Diagrams. The components identified by Les composants identifiés par mark 0 or dotted line with mark une marque 0 sont critiques 0 are critical for safety.
  • Page 14: Main Section (1/2)

    ICF-CD823 5-5. PRINTED WIRING BOARD MAIN BOARD (SIDE A) MAIN BOARD (SIDE B) – MAIN SECTION – • Refer to page 13 for KEY (UPPER) CN401 Circuit Board Location. BOARD • Semiconductor Location KEY (FRONT) CN402 Ref. No. Location BOARD...
  • Page 15: Panel Section

    ICF-CD823 5-6. PRINTED WIRING BOARD – PANEL SECTION – • Refer to page 13 for Circuit Board Location. AEP,AUS MODEL KEY (UPPER) BOARD J301 S713 WAKE UP TRACK SPEAKER S711 SP101 CD PLAY (L ch) L251 MODE MAIN BOARD S701...
  • Page 16: Ic Pin Function Description

    5-7. IC PIN FUNCTION DESCRIPTION 5-8. IC BLOCK DIAGRAMS • MAIN BOARD IC401 µPD789407AGK (SYSTEM CONTROL/LCD DRIVER) CXA1238M-T6 Pin No. Pin Name Description − VDD1 System power supply BIAS LCD bias output − 28 27 26 25 24 23 22 21 3–5 VLC0–2 LCD drive power supply...
  • Page 17 IC501 CXA1992BR 32 31 28 27 RF SUMMING AMP PD2 IV PD1 IV SENS2 FE BIAS SENS1 C OUT F IV AMP LASER POWER CONTROL FE AMP E IV AMP XRST DATA TGFL DFCT MIRR TRK GAIN WINDOW COMP FO BIAS E-F BALANCE WINDOW WINDOW COMP...
  • Page 18 IC551 CXD2589Q 59 58 57 54 53 52 51 50 SYSM SERIAL-IN INTERFACE LRCKI LRCK AVSS ASYO OVER SAMPLING DIGITAL FILTER ASYI ASYMMETRY AVDD DEMODULATOR CORRECTOR BIAS 3rd-ORDER AOUT1 NOISE SHAPER AIN1 AVDD LOUT1 AVSS CLTV XVDD TIMING ERROR XTAI LOGIC CORRECTOR AVSS...
  • Page 19: Exploded Views

    SECTION 6 EXPLODED VIEWS NOTE: • The mechanical parts with no reference number • -XX, -X mean standardized parts, so they may in the exploded views are not supplied. The components identified by mark 0 or have some differences from the original one. •...
  • Page 20: Upper Cabinet Section

    Ver 1.1 2001. 04 6-2. UPPER CABINET SECTION SP101 supplied SP201 LCD401 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-045-076-01 KNOB(ALARM) (A) 3-910-116-01 COVER, CD 3-045-077-01 BUTTON (ALARM) (A) 3-910-095-31 RUBBER, VIBRATION PROOF X-3378-844-1 PANEL (FRONT) SUB ASSY 3-921-725-01 SCREW (2.6X10), +PWH 3-713-786-51 SCREW +P 2X3 3-931-379-01 RUBBER, VIBRATION PROOF...
  • Page 21: Optical Pick-Up Section

    Ver 1.1 2001. 04 6-3. OPTICAL PICK-UP SECTION (KSM-213CDM) not supplied M572 M571 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ! 101 8-848-483-05 OPTICAL PICK-UP KSS-213CDM M571 X-2625-769-1 GEAR ASSY (MB), MOTOR (SLED) 2-626-907-01 GEAR (A) M572 X-2626-202-1 CHASSIS ASSY (MB), (RP) (SPINDLE) 2-627-003-02 GEAR (B) (RP)
  • Page 22: Electrical Parts List

    BACK LIGHT HEADPHONE SECTION 7 ELECTRICAL PARTS LIST KEY (FRONT) KEY (UPPER) NOTE: • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS parts list may be different from the parts uF: µF In each case, u: µ, for example: specified in the diagrams or the components •...
  • Page 23 KEY (UPPER) MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks S706 1-692-014-11 SWITCH, KEY BOARD (BAND) 1-162-964-11 CERAMIC CHIP 0.001uF S707 1-692-014-11 SWITCH, KEY BOARD (OFF) 1-163-239-11 CERAMIC CHIP 33PF 5.00% 50V S708 1-692-014-11 SWITCH, KEY BOARD (2) 1-163-233-11 CERAMIC CHIP 18PF 5.00% 50V...
  • Page 24 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C427 1-163-251-11 CERAMIC CHIP 100PF 5.00% 50V C553 1-163-251-11 CERAMIC CHIP 100PF 5.00% 50V C428 1-162-964-11 CERAMIC CHIP 0.001uF C554 1-163-251-11 CERAMIC CHIP 100PF 5.00% 50V C433 1-163-227-11 CERAMIC CHIP 10PF 0.50PF 50V...
  • Page 25 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C919 1-126-935-11 ELECT 470uF 20.00% 6.3V < HOLDER > C920 1-163-021-91 CERAMIC CHIP 0.01uF 10.00% 50V * KH901 1-573-287-11 HOLDER, CABLE 2P < FILTER > < COIL > 1-760-238-11 FILTER, CERAMIC * CF2 1-577-319-11 FILTER, CERAMIC...
  • Page 26 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-216-105-91 RES-CHIP 220K 1/10W R357 1-216-025-91 RES-CHIP 1/10W 1-216-803-11 METAL CHIP 1/16W R401 1-216-849-11 METAL CHIP 220K 1/16W 1-216-037-00 METAL CHIP 1/10W R403 1-216-847-11 METAL CHIP 150K 1/16W 1-216-025-91 RES-CHIP 1/10W...
  • Page 27 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R455 1-216-821-11 METAL CHIP 1/16W R521 1-216-829-11 METAL CHIP 4.7K 1/16W R456 1-216-821-11 METAL CHIP 1/16W R522 1-216-001-00 METAL CHIP 1/10W R457 1-216-821-11 METAL CHIP 1/16W R523 1-216-844-11 METAL CHIP 1/16W R458...
  • Page 28 ICF-CD823 Ver 1.1 2001. 04 MAIN MOTOR (6P) TRANSFORMER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R709 1-216-049-91 RES-CHIP 1/10W < LINE FILTER > R901 1-216-025-91 RES-CHIP 1/10W R902 1-216-097-91 RES-CHIP 100K 1/10W LF901 1-424-150-11 TRANSFORMER, LINE FILTER...
  • Page 29 ICF-CD823 MEMO...
  • Page 30 ICF-CD823 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 2001.04...

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