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HCD-GRX10AV/RX110AV SERVICE MANUAL Canadian Model AEP Model UK Model HCD-RX110AV E Model Australian Model HCD-GRX10AV HCD-GRX10AV/RX110AV is the tuner, deck, CD and amplifier section in MHC-GRX10AV/RX110AV. Photo: HCD-GRX10AV Model Name Using Similar Mechanism HCD-H991AV CD Mechanism Type CDM38L-5BD29AL/ CDM38LH-5BD29AL SECTION...
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PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE 4-996-820-0π GRX10AV: E2, E3 FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS 4-996-820-1π GRX10AV: SP, MY QUE PAR DES PIÈCES SONY DONT LES NUMÉROS 4-996-820-2π GRX10AV: HK GRX10AV: AUS SONT DONNÉS DANS CE MANUEL OU DANS LES 4-996-820-3π...
SECTION 1 SERVICING NOTE HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF 1 Remove the Case. 3 pull-out the disc tray. 2 Turn the cam to the direction of arrow. Note for Installation (ROTARY ENCODER) Note:When attaching the Base unit, Insert the BU cam section A into the groove of BU cam.
SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 3-1. LOADING PANEL 3 Loading panel Claws 1 Turn the cam to the direction of arrow. 2 Pull-out the disc tray. 3-2. FRONT PANEL 6 Flat type wire (CN107) 7 Flat type wire (CN106)
3-5. DISC TRAY (Perfom after removing the front panel.) Note: When installing the Disc tray, pull around the flat type wire to pass through the clawA and clawB, as shown in the figure. 3 Flat type wire (8 core) 4 Two claws 2 Pull-out the disc tray.
SECTION 4 SERVICE MODE MC Cold Reset • The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure: 1. Press three buttons p , ENTER/NEXT , and 1/u simultaneously. 2.
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Aging Mode This mode can be used for checking the operations of the CD player and tape deck. • When problems occur; Aging stops, and the stopped state is displayed on the fluorescent display tube. • When no problems; Aging continues. Preparations: •...
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Tape Deck Display of Operations Operation Timing of Ending Shutoff TAPE A AG-1 TAPE A REW 2 minute playback TAPE A AG-2 TAPE A FWD TAPE A AG-3 TAPE A FF 20 seconds or shutoff 2 minutes playback TAPE A AG-4 TAPE A REV Shutoff TAPE A AG-5...
SECTION 5 SECTION 6 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS Precaution DECK SECTION 0 dB=0.775V 1. Clean the following parts with a denatured alcohol-moistened swab: 1. Demagnetize the record/playback head with a head damagnetizer. record/playback heads pinch rollers 2. Do not use a magnetized screwdriver for the adjustments. erase head rubber belts 3.
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Tape Speed Adjustment (Deck A) 3. Mode: Playback test tape Note: Set the test mode using the following method and begin tape main board P-4-A100 CN301 (10kHz, –10dB) speed adjustment. Pin 1 (L-CH) oscilloscope In the test mode, the speed will switch to double speed or normal speed each time the HI-DUB button is pressed.
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Record Bias Adjustment (Deck B) Record Level Adjustment (Deck B) Procedure: Procedure: INTRODUCTION INTRODUCTION When set to the test mode performed in Tape Speed Adjust- When set to the test mode performed in Tape Speed Adjust- ment, when the tape is rewound after recording, the “REC memory ment, when the tape is rewound after recording, the “REC memory mode”...
TUNER SECTION 0dB=1 V Note 1: As a front-end (FE1) is difficult to repair if faulty, replace it with new one. Note 2: No adjustment is needed due to a tuner pack for except AEP, UK, German, East European, CIS models. AM Tuned Level Adjustment (AEP, UK, German, East European, CIS model only) Note: FM Tuned Level adjustment should be performed after this...
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FM Polar Adjustment (East European, CIS model only) Procedure : 1. Set the modulation of FM RF SSG to AUDIO 1 kHz, 10 kHz Connection 1 : deviation according to “Connection 1”. 2. Tune the set to 69 MHz. FM RF SSG 3.
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SECTION 7 DIAGRAMS E-F Balance (Traverse) Check 7-1. CIRCUIT BOARDS LOCATION CD SECTION TRANSFORMER board oscilloscope Note: BD board 1. CD Block is basically constructed to operate without adjustment. LEAF SW board TP (TE) Therefore, check each item in order given. TP (VC) –...
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HCD-GRX10AV/RX110AV 7-2. BLOCK DIAGRAMS – TUNER SECTION – (AEP, UK, German model) ST +10V FM FRONT END ANTENNA 10.7MHz 10.7MHz 10.7MHz IF AMP IF AMP FM 75 OUT L 19 AMP IN L ANT IN IF OUT 1 FM IN...
HCD-GRX10AV/RX110AV – TUNER SECTION – (East European, CIS model) ST +10V FM FRONT END ANTENNA 10.7MHz 10.7MHz IF AMP FM 75 OUT R ANT IN IF OUT 1 FM IN 22 MPX IN FM DET OUT Q1-4 COAXIAL OUT L...
HCD-GRX10AV/RX110AV – DECK SECTION – PB A/B S1004 S1008 MS OUT A CrO B CrO CN301 R CH RV311 28 27 PLAYBACK IC611 PB-A/B A 120/70 B 120/70 LEVEL DECK A A IN PB OUT PB L B IN HP101...
HCD-GRX10AV/RX110AV RV750 – MAIN SECTION – PRO IN J751 LEVEL PRO OUT POWER R-CH MIX AMP SECTION IC401 (Page 31) IC750(1/2) (Page 34) SPE SIG IC750(2/2) DISPLAY IC411(2/2) IC411(1/2) SECTION IIC DATA MUTE DJ-SIG Q411 IIC CLK DISPLAY DJ-MUTE VOLUME...
HCD-GRX10AV/RX110AV – POWER SECTION – PRO OUT DOLBY PRO LOGIC SURROUND PROCESSOR IC201 TM402 MAIN PRO IN LT IN L OUT SURROUND SECTION POWER AMP IC291 IC601 SPEAKER (Page 30) R -CH RT IN R OUT R -CH MUTE C OP...
HCD-GRX10AV/RX110AV – DISPLAY SECTION – LED1 • • Q601,602 IIC DATA D+5V PANEL LED SWITCH IIC CLK • • • LED15 PANEL CONTROL CONTROL IC801 L SEL Q603 REMOTE 19 I2C DATA DISPLAY CONTROL CONTROL S801-808 SIRCS I2C CLK IC601...
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WAVEFORMS THIS NOTE IS COMMON FOR PRINTED WIRING – DISPLAY SECTION – – TUNER SECTION – – CD SECTION – BOARDS AND SCHEMATIC DIAGRAMS. (AEP, UK, German model) (In addition to this, the necessary note is printed in each block.) 1.3Vp-p 4Vp-p For schematic diagrams.
HCD-GRX10AV/RX110AV 7-4. SCHEMATIC DIAGRAM — CD SECTION — • See page 35 for Waveforms. • See page 86 for IC Block Diagrams. • See page 90 for IC Pin Functions. (Page – 39 – – 40 –...
HCD-GRX10AV/RX110AV • Indication of transistor 7-11. PRINTED WIRING BOARD – MAIN SECTION – These are omitted • See page 20 for Circuit Boards Location. • Semiconductor These are omitted Location Ref. No. Location (Page 38) (Page 81) (Page 81) D381...
HCD-GRX10AV/RX110AV 7-25. SCHEMATIC DIAGRAM – DISPLAY SECTION – • See page 36 for Waveforms. • See page 89 for IC Block Diagrams. • See page 98 for IC Pin Functions. (Page 75) (Page (Page 75) (Page 76) – 73 –...
HCD-GRX10AV/RX110AV 7-29. PRINTED WIRING BOARD – CD MOTOR SECTION – • See page 20 for Circuit Boards Location. (Page 52) • Indication of transistor (Page 52) These are omitted – 81 – – 82 –...
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IC1701 IR3R42 19 18 14 13 PHASE COMPARATOR PHASE PHASE COMPARATOR 2 TRIGGER WAVEFORM SEP. REGULATOR SAMPLE GATE & HOLD MUTE BUFFER IC1702 MC14053BCP IC1751 NJM4558D A OUT B.COM B OUT OPEN – A IN– A.COM + – A IN+ B IN–...
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• CD section IC101 CXA1992AR – RF SUMMING PD2 IV PD1 IV – FE_BIAS SENS2 – – SENS1 LASER POWER CONTROL F IV AMP FE AMP C. OUT – E IV AMP – DFCT XRST – LEVEL S DATA FO. BIAS WINDOW MIRR COMP.
• Main section IC201 LV1041M R BPF2 L BPF2 RECT RECT LOGIC LOGIC R BPF1 RECT L BPF1 RECT LOGIC LOGIC RT IN S DC OUT C DC OUT R DC OUT LT IN L DC OUT CONTROL DC CUT V REF V REF CONTROL...
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• Deck section • Display section IC603 BA3833FP IC602 uPC1330HA RESET INVERTER RESET 18 RESET REFFERENCE PREF 17 f01 CURRENT COMPARATER LINE 16 f02 SW P1 CONT GND SW R1 GND SW P2 GND SW R2 LINE 15 f03 • CD motor section IC701 M54641L BIAS 13 f...
7-33. IC PIN FUNCTIONS • IC101 FOCUS/TRACKING/SLED SERVO RF AMP (CXA1992AR) Function Pin No. Pin Name Focus error amplifier output Connected internally to the window comparator input for bias adjustment Focus error input Capacitor connection pin for defect time constant FDFCT Ground this pin through a capacitor for cutting the focus servo high-frequency gain External time constant setting pin for boosting the focus servo low-frequency...
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Pin Name Function Pin No. RF summing amplifier inverted input The RF amplifier gain is determined by the resistance connected between this pin and RF M RFO pin RFTC External time constant setting pin during RF level control APC amplifier output APC amplifier input RF I-V amplifier inverted input Connect these pins to the photo diode A+C and B+D pins...
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• IC103 DIGITAL SIGNAL PROCESSOR (CXD2519Q) Pin Name Function Pin No. – +5V power supply – Ground Lch “L” detection flog (Not used) LMUT Rch “L” detection flog (Not used) RMUT Test output (Not used) ACDT Master clock divider output (Not used) CKOUT Clock input for SQSO read out SQCK...
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Pin Name Function Pin No. AVSS Analog ground – Control voltage input for VCO CLTV Analog power supply AVDD – EFM signal input Asymmetry circuit constant current input BIAS ASYI Asymmetry comparate voltage input EFM full swing output (“L” =V , “H”...
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Pin Name Function Pin No. — Not used – AVSS Analog ground – AVDD Analog power supply – AOUT1 Lch analog output AIN1 Lch opamp input LOUT1 Lch line output AVSS Analog ground – XVDD – Master clock power supply XTAI X’tal oscillator circuit input XTAO...
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• IC501 MASTER CONTROL (uPD780018AYGF-012-3BA) Pin Name Function Pin No. LINE-MUTE Line mute signal output DBFB-H/L DBFB H/L select signal output M62442-LAT Latch signal output for IC111 (M62442FP) KCON-LAT Not used POWER Power ON/OFF signal output F-RELAY Front speaker relay control output R-RELAY Rear speaker relay control output (Not used) PL-RELAY...
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Pin Name Function Pin No. COM-CLK Common serial clock output CD-POWER CD power on signal output CD-DATA CD data output CD-CLK CD clock output PL-CLK Clock signal output to pro-logic PL-DATA Data signal output to pro-logic M62442-CLK Clock signal output for IC111 (M62442FP) M62442-DATA Data signal output for IC111 (M62442FP) LEVEL-CONT-A...
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Pin No. Pin Name Function R/P-PASS REC/PB/PASS selection output NR-ON/OFF NR ON/OFF signal output REC-MUTE REC mute ON/OFF selection output CLK-OUT Clock out signal check BIAS Bias ON/OFF signal output EQ-H/N Equalizer H/N select output PB-A/B PB Deck A/Deck B select output A-PLAY-SW Deck A play detect B-PLAY-SW...
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• IC601 DISPLAY CONTROL ( TMP87CM74AF) Pin Name Function Pin No. 1 to 6 LED3 to LED8 LED driver output – Ground X OUT X’tall (8MHz) X IN RESET Reset signal input from main controller LED9 LED driver output LED10 TEST Connected ground 14 to 18...
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• IC801 PANEL CONTROL ( TMP87CH48DF) Pin Name Function Pin No. – Ground X OUT X’tall (8MHz) X IN RESET Reset signal input MUTE Mute ON/OFF selection input MODE_0 TEST – Connected to ground MODE_1 YB_CLK NAR/YB_RDY Connected to VDD MSM6654/BSY Busy signal input for IC851 (MSM6653A) MSM6654/RST...
SECTION 8 EXPLODED VIEWS NOTE: • Abbreviation • Items marked “*” are not stocked since they are The components identified by CND : Canadian model seldom required for routine service. Some delay mark ! or dotted line with mark : German model. should be anticipated when ordering these items.
8-2. CHASSIS SECTION not supplied not supplied (UK,HK) (SP,MY,EA) (E3) (E2,E3,TH) (AEP,UK,G, EE,CIS,SP, T501 MY,HK,EA) (AUS) (CND) not supplied The components identified by Les composants identifiés par une mark ! or dotted line with mark marque ! sont critiques pour la ! are critical for safety.
8-6. BASE UNIT SECTION (BU-5BD29AL) M101 M102 Les composants identifiés par une The components identified by marque ! sont critiques pour la mark ! or dotted line with mark ! are critical for safety. sécurité. Replace only with part number Ne les remplacer que par une specified.
8-7. TC MECHANISM SECTION 1 TCM230AWR1 TCM230PWR1 * NOTE: Two types of parts which are not interchangeable are available for the Head deck (A) ASSY and Head deck (B) ASSY. When replacing the parts, refer to the following figure, and use the appropriate part Parts with “P”...
8-8. TC MECHANISM SECTION 2 TCM230AWR1 TCM230PWR1 *NOTE: Two types of parts which are not interchangeable are available for the mechanical block assembly. When replacing the parts, refer to the following figure, and use the appropriate part. Parts with “P” mark: 230PWR1 Parts without “P”...
SECTION 9 AUDIO ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in the parts list • COILS The components identified by may be different from the parts specified in the uH : µ H mark ! or dotted line with mark •...