Sony HCD-XGR90AV User Manual

MIX MIC:
(phone jack) sensitivity 1 mV,
impedance 10 kilohms
GAME INPUT:
(phono jacks) sensitivity 250 mV,
impedance 47 kilohms
MD (VIDEO) IN:
(phono jack) sensitivity 450 mV
(250 mV), impedance
47 kilohms
DVD INPUT
FRONT, REAR, CENTER, WOOFER (phono jacks):
sensitivity 450 mV,
impedance 47 kilohms
Outputs
PHONES:
(stereo phone jack) accepts headphones of
8 ohms or more
MD (VIDEO) OUT:
(phono jacks) voltage 250 mV
impedance 1 kilohms
WOOFER OUT (phono jack): voltage 1 V, impedance 1 kilohm
FRONT SPEAKER: accepts impedance of 6 to 16 ohms
CENTER SPEAKER: accepts impedance of 8 to 16 ohms
REAR SPEAKER: accepts impedance of 8 to 16 ohms
HCD-XGR90AV
E Model
Australian Model
COMPACT Hi-Fi STEREO SYSTEM
— Continued on next page —
SPECIFICATIONS
• HCD-XGR90AV is the Amplifier,
CD player, tape deck and tuner
section in LBT-XGR90AV.
Ver 1.0 2002.04
9-873-955-01
2002D0200-1
© 2002.04
Model Name Using Similar Mechanism HCD-XGR80
CD CD Mechanism Type CDM37B-30BD60C
Section Base Unit Name BU-30BD60C
Optical Pick-up Name A-MAX.3
TAPE
Model Name Using Similar Mechanism HCD-XGR80
Section
SERVICE MANUAL
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
Amplifier section
Front Speaker:
The following measured at AC 120/220/240 V, 50 Hz
DIN power output (Rated)
150 + 150 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (Reference)
200 + 200 watts
(6 ohms at 1 kHz, 10% THD)
Center Speaker:
DIN power output (Rated) 35 watts
(8 ohms at 1 kHz, DIN)
Continuous RMS power output (Reference)
50 watts
(8 ohms at 1 kHz, 10% THD)
Rear Speaker:
DIN power output (Rated) 35 + 35 watts
(8 ohms at 1 kHz, DIN)
Continuous RMS power output (Reference)
50 + 50 watts
(8 ohms at 1 kHz, 10% THD)
Inputs
GUITAR:
(phone jack) sensitivity 75 mV,
impedance 470 kilohms
PHONO IN:
(phono jacks) sensitivity 3 mV,
impedance 47 kilohms
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0 9 9
2
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4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Sony HCD-XGR90AV Specifications

General

Tuner Bands	AM/FM
Audio Channels	2.0
CD Player	Yes
Tuner	Yes
Cassette Deck	Yes
Remote Control	Yes
Functions	Cassette
CD Changer	3-Disc Changer
Type	Mini Hi-Fi Component System

Summary

SECTION 1 SERVICING NOTE

SECTION 3 DISASSEMBLY

SECTION 4 TEST MODE

[MC Cold Reset]

Procedure to clear all preset data in RAM, returning the set to initial conditions.

[CD Ship Mode] (No memory clear)

Moves the optical pick-up to a position durable to vibration for customer return after repair.

[LED and Fluorescent Indicator Tube All Lit, Key Check Mode]

Test mode to check all LEDs and the fluorescent indicator tube, including key function checks.

[Sled Servo Mode] (CD service mode)

Mode to run the CD sled motor freely, useful for pick-up cleaning.

[Aging Mode]

Mode for checking the tape deck section operation in parallel.

Tape Deck Section Aging Sequence

Sequence of operations during tape deck aging mode, with error handling.

CD Section Aging Sequence

Sequence of operations during CD section aging mode, with error handling.

SECTION 5 MECHANICAL ADJUSTMENTS

Torque Measurement

Specifications for torque measurement of FWD, FWD back tension, and FF/REW modes.

SECTION 6 ELECTRICAL ADJUSTMENTS

DECK SECTION

Reference level for deck section adjustments, set to 0 dB = 0.775 V.

Precaution

Precautions for demagnetizing, tool usage, and performing adjustments with rated power.

Record/Playback Head Azimuth Adjustment

Procedure for adjusting the record/playback head azimuth for both decks.

Tape Speed Adjustment

Procedure to adjust tape speed for Deck B using a frequency counter.

REC Bias Adjustment

Procedure for adjusting REC bias for Deck B, including record level settings.

REC Level Adjustment

Procedure for adjusting REC level for Deck B, ensuring proper playback output.

CD SECTION

Notes on CD block adjustment, including checks for signal level and waveforms.

S-Curve Check

Procedure to confirm the S-curve waveform is symmetrical and the peak-to-peak level is within specification.

E-F Balance (1 Track jump) Check

Procedure to check E-F balance by measuring specific points on the waveform.

RF Level Check

Procedure to confirm the RF signal level is clear and correct.

SECTION 7 DIAGRAMS

7-1. CIRCUIT BOARD LOCATION

Diagram showing the physical location of various circuit boards within the unit.

7-2. BLOCK DIAGRAMS - CD SERVO SECTION -

Block diagram illustrating the CD servo system components and their interconnections.

-TUNER/TAPE DECK SECTION –

Schematic diagram for the tuner and tape deck sections, showing component interconnections.

MAIN SECTION

Schematic diagram of the main processing and control sections of the unit.

- DISPLAY/KEY CONTROL/POWER SUPPLY SECTION -

7-3. PRINTED WIRING BOARD - BD SECTION -

7-5. PRINTED WIRING BOARD - MOTOR, LED SECTION -

7-6. SCHEMATIC DIAGRAM - MOTOR, LED SECTION -

7-7. SCHEMATIC DIAGRAM - MIC/GUITAR SECTION -

7-8. PRINTED WIRING BOARD - MIC/GUITAR SECTION -

7-9. SCHEMATIC DIAGRAM - MAIN (1/3) SECTION -

7-10. SCHEMATIC DIAGRAM - MAIN(2/3) SECTION -

7-11. SCHEMATIC DIAGRAM – MAIN (3/3) SECTION –

7-12. PRINTED WIRING BOARD – MAIN SECTION –

7-13. PRINTED WIRING BOARD – CD-L, CD-R, HEADPHONE, FRONT INPUT, D-SW SECTION -

7-14. SCHEMATIC DIAGRAM – CD-L, CD-R, HEADPHONE, FRONT INPUT, D-SW SECTION –

7-15. PRINTED WIRING BOARD - PANEL VR SECTION -

7-16. SCHEMATIC DIAGRAM - PANEL VR SECTION -

7-17 PRINTED WIRING BOARD - PANEL FL, TC-A, TC-B SECTION -

7-18. SCHEMATIC DIAGRAM - PANEL FL, TC-A, TC-B SECTION -

7-19. PRINTED WIRING BOARD - PA SECTION -

7-20. SCHEMATIC DIAGRAM - PA SECTION -

7-21. PRINTED WIRING BOARD - SUB AMP SECTION -

7-22. SCHEMATIC DIAGRAM - SUB AMP SECTION -

7-23. PRINTED WIRING BOARD - PROLOGIC SECTION -

7-24. SCHEMATIC DIAGRAM – PROLOGIC SECTION –

7-25. PRINTED WIRING BOARD - TRANS, SUB TRANS SECTION -

7-26. SCHEMATIC DIAGRAM - TRANS, SUB TRANS SECTION -

• WAVEFORMS

7-27. IC PIN FUNCTIONS

Detailed pin functions for IC101 (DIGITAL SIGNAL PROCESSOR) on the BD Board.

7-28. IC BLOCK DIAGRAMS

Block diagrams for IC101 (CXD3017Q) and IC102 (BA5974FM-E2) on the BD Board.

SECTION 8 EXPLODED VIEWS