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It`s Free HCD-XB8 SERVICE MANUAL AEP Model UK Model E Model Australian Model PX Model HCD-XB8 is the tuner, deck, CD and amplifier section in LBT-XB8AV. Photo : AEP model Model Name Using Similar Mechanism HCD-D670AV/N555AV CD Mechanism Type CDM37L-5BD29AL SECTION...
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www.freeservicemanuals.info It`s Free • Abbreviation MODEL IDENTIFICATION CAUTION AUS: Australian model — BACK PANEL — Use of controls or adjustments or performance of procedures AR : Argentine model other than those specified herein may result in hazardous ra- SAF : South Africa model diation exposure.
7-8. CD Mechanism Section (CDM37L-5BD29AL) ....96 7-9. Base Unit Section (BU-5BD29AL) ........97 REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS 8. ELECTRICAL PARTS LIST ........98 MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. — 3 —...
www.freeservicemanuals.info It`s Free 2-4. CASSETTE LID ASSEMBLY 3 Two bracket 2 Two screws (BVTP2.6x8) 1 Two springs 4 Cassette lid assembly 2-5. CD LID ASSEMBLY 1 Four screws (BVTP2.6x8) 2 Connector (CN671) 4 CD lid assembly 3 Connector (CN661) — 7 —...
www.freeservicemanuals.info It`s Free 2-6. CD MECHANISM DECK 2-7. BASE UNIT 1 Five screws (BVTP3x8) 2 CD mechanism deck 3 Bass unit 2 Boss 1 Yoke bracket 2-8. DISC TABLE Note: When the disc table is installed, adjust the positions of roller cam and mark ”...
www.freeservicemanuals.info It`s Free SECTION 3 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 SPECTRUM ANALYZER , ENTER , and DISC 1 simultaneously. 2.
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www.freeservicemanuals.info It`s Free Aging Mode This mode can be used for operation check of CD section and tape deck section. • If an error occurred: The aging operation stops. • If no error occurs: The aging operation continues repeatedly. 1. Aging Mode in CD Section 1-1.
www.freeservicemanuals.info It`s Free SECTION 4 SECTION 5 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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www.freeservicemanuals.info It`s Free 2. Turn the adjustment screw and check output peaks. If the peaks Tape Speed Adjustment (Deck A) do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1 dB of peak. Note: Set the test mode using the following method and begin tape speed adjustment.
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www.freeservicemanuals.info It`s Free 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”...
www.freeservicemanuals.info It`s Free TUNER SECTION 0dB=1µV 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, East European, CIS models. AM Tuned Level Adjustment Note: FM Tuned Level adjustment should be performed after this AM Tuned Level Adjustment.
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www.freeservicemanuals.info It`s Free 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 75 Ω...
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www.freeservicemanuals.info It`s Free CD SECTION RF Level Check oscilloscope Note: BD board 1. CD Block is basically constructed to operate without adjustment. Therefore, check each item in order given. TP (RF) 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. TP (VC) 3.
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www.freeservicemanuals.info It`s Free SECTION 6 DIAGRAMS E-F Balance (1 Track Jump) check 6-1. CIRCUIT BOARDS LOCATION oscilloscope BD board TRANS board TP (TEO) TP (VC) TCB board (AEP, UK, East European, CIS) PANEL board Procedure: FM/AM TUNER PACK 1. Connect oscilloscope to test point TP (TEO) on BD board. (ENCAPSLATED COMPONENT) 2.
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It`s Free HCD-XB8 6-2. BLOCK DIAGRAMS — TUNER SECTION — (AEP, UK model) ST +10V FM FRONT END ANTENNA 10.7MHz 10.7MHz 10.7MHz IF AMP IF AMP FM 75Ω OUT L 18 AMP IN L ANT IN IF OUT 1 FM IN...
It`s Free HCD-XB8 — TUNER SECTION — (East European, CIS model) ST +10V FM FRONT END ANTENNA 10.7MHz IF AMP 10.7MHz FM 75Ω ANT IN IF OUT 1 FM IN AM/FM 22 MPX IN Q1-4 COAXIAL OUT L POLAR/PILOT...
It`s Free HCD-XB8 — DECK SECTION — PB A/B S1004 S1008 B CrO A CrO CN403 R CH RV311 PLAYBACK IC611 PB-A/B A 120/70 LEVEL B 120/70 DECK A A IN PB OUT PB L HP101 B IN PB HEAD...
It`s Free HCD-XB8 TM402 — POWER SECTION — SURROUND POWER AMP SPEAKER IC601 RY401 REAR REAR –1 REAR REAR CENTER –2 CENTER CENTER CENTER RELAY DRIVE Q404 FAN MOTOR M901 DRIVER UNREG Q961, 962 MOTOR –12V OVER LOAD Q601,651...
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www.freeservicemanuals.info It`s Free • 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.
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www.freeservicemanuals.info It`s Free • Main section IC102 MC14052BCP IC103, 1702 MC14053BCP B.COM OPEN A.COM C.COM OPEN OPEN IC602 LV1016 INV-PHASE ADM-CONT SRAM L+DELAY R+DELAY VOL/MUTE OUT-FILTER – DC-OUT IN-FILTER (7k/5k) (40kHz) L–R S-TRIM (–6dB) B-NR — 77 —...
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www.freeservicemanuals.info It`s Free IC601 LA2786 BPF1 NOISE NOISE FILTER BPF2 NOISE GENERATOR DATA BALANCE ENABLE VREF CONTROL V REF OSC1 DIVIDER CONTROL S-CH DC OUT C-CH DC OUT L-CH DC OUT R-CH DC OUT VREF L-OUT L-IN R-IN R-OUT S-OUT C-OUT CMODE-CAP.
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www.freeservicemanuals.info It`s Free • CD motor sectoin IC201 TA8409S VREF BLOCK STANDBY BLOCK HEAT CUT OFF BLOCK OUT2 OUT1 VREF • Power sectoin IC301 uPC1237HA OVER LOAD DET MUTE OFFSET DET LATCH/ AUTORESET AC OFF • Deck sectoin IC402 LB1641 IC602 uPC1330HA T.S.D O.C.P...
www.freeservicemanuals.info It`s Free 6-20. IC PIN FUNCTIONS • IC101 FOCUS/TRACKING/SLED SERVO RF AMP (CXA1992AR) Pin Name Function Pin No. 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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www.freeservicemanuals.info It`s Free Pin No. Pin Name Function RF summing amplifier inverted input RF M The RF amplifier gain is determined by the resistance connected between this pin and RFO pin External time constant setting pin during RF level control RFTC APC amplifier output APC amplifier input...
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www.freeservicemanuals.info It`s Free • IC103 DIGITAL SIGNAL PROCESSOR (CXD2519Q) Pin No. Pin Name Function – +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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www.freeservicemanuals.info It`s Free Pin Name Function Pin No. AVSS – Analog ground CLTV Control voltage input for VCO AVDD Analog power supply – EFM signal input Asymmetry circuit constant current input BIAS Asymmetry comparate voltage input ASYI EFM full swing output (“L” =V , “H”...
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www.freeservicemanuals.info It`s Free 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 –...
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www.freeservicemanuals.info It`s Free • IC601 DISPLAY CONTROL (TMP87CH75-6554) Pin Name Function Pin No. SEG35 FL segment signal output VLOAD – Power supply (–25V) for FL segment signal output 3 to 10 LED1 to LED8 LED driver output – Ground X-OUT X’tall (8MHz) X-IN RESET...
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www.freeservicemanuals.info It`s Free • IC701 MASTER CONTROL (uPD780018YGF-019-3BA) Pin No. Pin Name Function TA-MUTE Line mute signal output DBFB-H/L DBFB H/L select signal output 427-LT Latch signal output for IC201 (62427) KCON-LT Not used KCON-ON F-RELAY Front speaker relay control output (Not used) R-RELAY Rear speaker relay control output PL-RELAY...
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www.freeservicemanuals.info It`s Free 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 MSM-CMD Not used MSM-BUSY Connected to ground MSM-LT MSM-NAR Not used MSM-CH INPUT-CHANGE Input sensitivity switching output IIC-DATA Data output for IC601...
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www.freeservicemanuals.info It`s Free Function Pin No. Pin Name EQ-H/N Equalizer H/N select output BIAS Bias ON/OFF signal output REC-MUTE REC mute ON/OFF selection output NR-ON/OFF NR ON/OFF signal output R/P-PASS REC/PB/PASS selection output TC-MUTE TC mute ON/OFF selection output A-PLAY-SW Deck A play detect B-PLAY-SW Deck B play detect...
www.freeservicemanuals.info It`s Free SECTION 7 EXPLODED VIEWS NOTE: The components identified by mark ! • Hardware (# mark) list and accessories and pack- • -XX, -X mean standardized parts, so they may have or dotted line with mark ! are critical ing materials are given in the last of this parts list.
www.freeservicemanuals.info It`s Free 7-4. CHASSIS SECTION not supplied CNP901 T501 not supplied (UK) CNP901 not supplied (AUS) CNP901 (PX) (E, MX, PX) (AR) CNP901 CDM37L-5BD29AL (AEP, EE, CIS, AR, SAF) The components identified by mark ! or dotted line with mark ! are critical for safety.
www.freeservicemanuals.info It`s Free 7-6. TC MECHANISM SECTION-2 (TCM-220WR2) (including p A) not supplied HP101 (including r A) not supplied not supplied HRPE101 (including r B) not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No.
www.freeservicemanuals.info It`s Free 7-9. BASE UNIT SECTION (BU-5BD29AL) M101 M102 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number speci- fied. Ref. No. Part No. Description Remark Ref. No. Part No.
www.freeservicemanuals.info It`s Free SECTION 8 AUDIO ELECTRICAL PARTS LIST Note: • SEMICONDUCTORS • Due to standardization, replacements in the parts list The components identified by mark ! In each case, u: µ , for example: may be different from the parts specified in the or dotted line with mark ! are critical diagrams or the components used on the set.