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HCD-XGR6/XGR60
SERVICE MANUAL US Model
HCD-XGR6
Ver 1.0 2002.02
E Model
HCD-XGR60
• HCD-XGR6/XGR60 are the Amplifier,
CD player, tape deck and tuner in LBT-
XGR6/XGR60.
PHOTO :HCD-XGR60
Model Name Using Similar Mechanism NEW
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 NEW
Section
SPECIFICATIONS
Inputs
AUDIO POWER SPECIFICATIONS
DJ MIX RETURN*:
(LBT-XGR6 USA models only)
(phono jacks) sensitivity 250 m
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HCD-XGR6/XGR60 MD (VIDEO) OUT: General (phono jacks) voltage 250 mV Power requirements impedance 1 kilohms North American models: 120 V AC, 60 Hz FRONT SPEAKER: accepts impedance of 6 to Mexican model: 120 V AC, 60 Hz 16 ohms Other models: 120 V, 220 V or 230 – 240 V AC, 50/60 Hz * North American and Mexican models only Adjustable with voltage selector Power consumption CD player section U.S.A. models: System Compact disc and digital LBT-XGR6 240 watts audio system Other models: Laser Semiconduc
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HCD-XGR6/XGR60 SAFETY CHECK-OUT NOTES ON HANDLING THE OPTICAL PICK-UP After correcting the original service problem, perform the BLOCK OR BASE UNIT following safety checks before releasing the set to the customer: Check the antenna terminals, metal trim, “metallized” knobs, screws, The laser diode in the optical pick-up block may suffer electrostatic and all other exposed metal parts for AC leakage. Check leakage as break-down because of the potential difference generated by the des
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HCD-XGR6/XGR60 TABLE OF CONTENTS 1. GENERAL ·········································································· 5 6-14.SCHEMATIC DIAGRAM – CD-L,CD-R,HEADPHONE,FRONT INPUT, 2. DISASSEMBY ··································································· 7 D-SW SECTION – ··················································· 35 6-15.PRINTED WIRING BOARD 3. TEST MODE ···································································· 15 – PANEL VR SECTION – ································
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HCD-XGR6/XGR60 SECTION 1 This section is extracted from GENERAL instruction manual. Main unit ALPHABETICAL ORDER A – D E – G H – R A EJECTZ/Z B EJECT wh (13) EDIT ea (15) H SPEED DUB ql (14) AMS./> wa (9, 10) EFFECT 5 (17) MIC LEVEL ef (20) CD SYNC ql (14, 15) ENTER 5 (8, 15, 17, 19) MIX GUITAR/KARAOKE (20, wl 21) Direct equalizer qh ej (17) FM MODE 8 (12) MIX MIC jack ed (20) GUITAR/ROCK/JAZZ/DANCE/ FUNCTION qd (7, 9, 10, 14, 20, GAME 22, 26) P FILE 5 (17) SALSA/REGGAE/TANGO/ GAME qf (22) PH
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HCD-XGR6/XGR60 This section is extracted from instruction manual. BUTTON DESCRIPTIONS @/1 1 S – X c/CLOCK SET qs SLEEP 0 (18) h/H qj eh SPECTRUM ANALYZER 4 (20) x qj eh SUPER WOOFER ek (16) .m /M> qj eh SUPER WOOFER MODE ek (16) X qk SURROUND ek (18) z REC qk TIMER SELECT qa (16, 19) HX ws TUNER/BAND 9 (11, 12) x ws TUNER ENTER wf (11) m /M ws TUNER MEMORY wf (11) R/r/T/t (cursor) wk TUNING MODE 8 (11, 12) TUNING - /+ 9 (11, 12) VOLUME control 7 (10) X-GROOVE wg (16) Remote control ALPHABETICAL
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HCD-XGR6/XGR60 SECTION 2 DISASSEMBLY • The equipment can be removed using the following procedure. Set Case Front panel section Tape mechanism deck PANEL FL board, TC-A board, TC-B board PANEL VR board MIC/GUITAR board, HEADPHONE board FRONT INPUT board D-SW board, CD-L board, Lid (CD) assy, CD-R board Back panel, DC fan, MAIN board CD mechanism deck (CDM37B-30BD60C) Base unit-1 (BU-30BD60C) Base unit-2 (BU-30BD60C) BD board Disc table Note : Follow the disassembly procedure in the numerical
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HCD-XGR6/XGR60 2-2. FRONT PANEL SECTION 4 Connector (CN903) 3 Connector (CN311) 5 Connector (CN722) 7 Screw (BVTP 3 X 8) 8 Lug 2Flat type wire (CN431) 1 Flat type wire (CN371) 9 Screw (BVTP 3 X 8) 0 Lug 6 Connector (CN806) qs Screw (BVTP 3 X 8) qf Claw qg Front panel section qa Connector (B deck) qd Four screws (BVTP 3 X 8) 2-3. TAPE MECHANISM DECK 1 Flat type wire (15 core) 2 Two screws (BVTP 2.6 X 8) 3 Two screws (BVTP 2.6 X 8) 4 5 Tape mechanism deck Front panel 8
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HCD-XGR6/XGR60 2-4. PANEL FL BOARD, TC-A BOARD, TC-B BOARD qaFour screws (BVTP 2.6 X 8) w;TC-A board qsThree screws (BVTP 2.6 X 8) 1Screw (BVTP 2.6 X 8) 2Lug qkPANEL FL board 3Bracket (TA) qhThree claws qj qdEight screws (BVTP 2.6 X 8) 6Connector (CN812) qfFour screws (BVTP 2.6 X 8) 9Flat type wire 7Connector qlTwo claws (CN601) (CN704) qgFour screws (BVTP 2.6 X 8) 0Two knobs (MIC) wsTC-B board 8Connector (CN703) 4Screw (BVTP 2.6 X 8) 5Bracket (TA) waTwo cl
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HCD-XGR6/XGR60 2-6. MIC/GUITAR BOARD, HEADPHONE BOARD 1Connector (CN812) 2Two screws (BVTP 2.6 X 8) 3MIC bracket 4MIC/GUITAR board 5Two screws (BVTP 2.6 X 8) 6HEADPHONE bracket 7HEADPHONE board Front panel 2-7. FRONT INPUT BOARD Front panel FRONT INPUT board J804 1Four screws (BVTP 2.6 X 8) Front panel 4FRONT INPUT board 3 2Bumper (Panel) 10
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HCD-XGR6/XGR60 2-8. D-SW BOARD, CD-L BOARD, LID (CD) ASSY, CD-R BOARD 1Screw (BVTP 2.6 X8) 5Two screws 0Spring (CD) (BVTP 2.6 X 8) 2D-SW board qfTwo screws qaLid (CD) assy 6 (BVTP 2.6 X 8) 9Sub panel (CD-L) assy 4Two screws qh (BVTP 2.6 X 8) qlSub panel (CD-R) assy 8CD-L board qgTwo screws 7Four screws (BVTP 2.6 X 8) (BVTP 2.6 X 8) qsConnector (CN703) qdKnob (CD) 3Connector (CN704) qkCD-Rboard qjFour screws (BVTP 2.6 X 8) 2-9. BACK PANEL, DC FAN, MAIN BO
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HCD-XGR6/XGR60 2-10. CD MECHANISM DECK (CDM37B-30BD60C) 6Two screws (BVTP 3 X 8) 1Flat type wire (CN401) 4Three screws (BVTP 3 X 8) 3Four screws (BVTP 3 X 8) 7 Wire holder 8 2Connector 7 (CN411) 5Two screws (BVTP 3 X 8) 9remove two cables from wire holder. 0 Five screws (BVTP3 × 8) qa CD mechanism deck (CDM37B-30BD60) 12
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HCD-XGR6/XGR60 2-11. BASE UNIT-1 (BU-30BD60C) 3 base unit (BU-30BD60C) 2 boss 1 BU fitting screw 2-12. BASE UNIT-2 (BU-30BD60C) 6Base unit (BU-30BD60C) 1Two floating screws (DIA.12) 2Two screws (BVTP 2.6 X 8) 3Two stoppers (BU) 4Two coil springs (insulator) 5Two coil springs (insulator) Holder (BU30) assy 13
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HCD-XGR6/XGR60 2-13. BD BOARD BU-30BD60C 4Flat type wire (CN102) 5BD board 1Remove the two solders. 3Rivet 2Remove the two solders. 2-14. DISC TABLE Note: When the disc table is installed, adjust the positions of roller cam and mark B as shown in the figure, then set to the groove of disc table. A 3Step screw 1Screw (BVTP 3 × 8) 4Disc table 2Bracket (BU) A 14
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HCD-XGR6/XGR60 SECTION 3 TEST MODE [MC Cold Reset] [Sled Servo Mode] (CD service mode) • The cold reset clears all data including preset data stored in the • This mode can run the CD sled motor freely. Use this mode, for RAM to initial conditions. Execute this mode when returning instance, when cleaning the pick-up. the set to the customer. Procedure: Procedure: 1. Select the function “CD”. 1. Turn the power ON or set to the DEMO mode. 2. Press three buttons c/CLOCK SET , TUNER ENTER , and 2.
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HCD-XGR6/XGR60 2. Tape Deck Section 3. CD Section • The sequence during the aging mode is following as below. • The sequence during the aging mode is following as below. • If an error occurred, stop display that step. • If an error occurred, stop display that step. Aging mode sequence (Tape deck section): Aging mode sequence (CD section): Rewind the tape A Tray Turn “TAPE A AG-1” Shut off DISC 1 FWD the tape A chucking “TAPE A AG-2” 2 minutes TOC Read Fast forward the tape A “TAPE A AG-3” Shut o
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HCD-XGR6/XGR60 SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS Precaution DECK SECTION 0 dB = 0.775 V 1. Clean the following parts with a denatured alcohol-moistened Precaution swab: 1. Demagnetize the record/playback head with a head demagne- record/playback heads pinch rollers tizer. erase head rubber belts 2. Do not use a magnetized screwdriver for the adjustments. capstan idlers 3. After the adjustments, apply suitable locking compound to the 2. Demagnetize the recor
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HCD-XGR6/XGR60 Record/Playback Head Azimuth Adjustment Adjustment Location: Playback Head (Deck A). Record/Playback/Erase Head (Deck B). DECK A DECK B Note: Perform this adjustments for both decks Procedure: 1. Mode: Playback (FWD) test tape MAIN board P-4-A100 MD (VIDEO) OUT jack (J701) (10 kHz, – 10 dB) L-CH, R-CH level meter set + – reverse forward 2. Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw so that outputs ma
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HCD-XGR6/XGR60 REC Bias Adjustment DECK B REC Level Adjustment DECK B Procedure: Procedure: 1. Mode: Record 1. Mode: Record FUNCTION: VIDEO FUNCTION: VIDEO MAIN board MAIN board MD(VIDEO) IN jack (J701) MD (VIDEO) IN jack (J701) L-CH, R-CH L-CH, R-CH 315 Hz, 50 mV (– 23.8 dB) 1) 315 Hz 50 mV (– 23.8 dB) AF OSC 2) 10 kHz blank tape AF OSC blank tape 600 Ω CS-123 CS-123 attenuator 600 Ω attenuator set set 2. Mode: Playback 2. Mode: Playback recorded level meter portion recorded lev
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HCD-XGR6/XGR60 Note: Clear RF signal waveform means that the shape “◊” can be CD SECTION clearly distinguished at the center of the waveform. Note : VOLT/DIV : 200mV 1. CD Block is basically designed to operate without adjustment. TIME/DIV : 500ns Therefore, check each item in order given. 2. Use LUV-P01 (4-999-032-01) unless otherwise indicated. 3. Use an oscilloscope with more than 10M impedance. level : 1.45 ± 0.3Vp-p 4. Clean the object lens by an applicator with neutral detergent wh
