Page 1
HCD-CP2 SERVICE MANUAL AEP Model UK Model E Model Australian Model HCD-CP2 is the Amplifier, CD player, Tape Deck and Tuner section in CMT-CP2. Dolby noise reduction manufactured under license Model Name Using Similar Mechanism from Dolby Laboratories Licensing Corporation.
LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY.
SECTION 1 SERVICING NOTES • MODEL IDENTIFICATION NOTES ON HANDLING THE OPTICAL PICK-UP – Rear Panel – BLOCK OR BASE UNIT Power Voltage Indication The laser diode in the optical pick-up block may suffer electro- static break-down because of the potential difference generated by the charged electrostatic load, etc.
SECTION 2 GENERAL • LOCATION OF CONTROLS – Front View – 1 STANDBY ?/1 button and indicator 2 TAPE A m button 3 TAPE A Y button 4 TAPE A x button 5 TAPE A M button 6 HI-SPEED DUBBING button and indicator 7 CD button and indicator 8 TUNER button and indicator 9 DSG button and indicator...
SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. COVER (UPPER) 3 cover (upper) 2 six screws 1 two case screws (BTP3 1 two case screws FRONT PANEL ASSY 2 connector 2 connector (CN805) (CN808) 2 connector (CN311) 1 two flat cables (CN601, 1001)
Page 7
TAPE MECHANISM DECK (TCM-220WR2E) 4 Push these buttons. 1 five screws (BTP3 2 screws (DIA. 12) 3 harness 5 TCM-220WR2E AUDIO BOARD 1 connector (CN651) 2 two rivets 4 four screws (BTP2.6 3 Break the soldering of two flexible flat cables. 5 AUDIO board...
Page 8
CAPSTAN MOTOR 2 two screws (BTP2.6 3 capstan motor 1 Break the soldering of motor lead. CD MECHANISM DECK (KSL-2130CCP/K1N) 3 two screws (BTP3 1 flat cable (CN301) 2 connector (CN900) 3 two screws (BTP3 4 CD mechanism deck (KSL-2130CCP/K1N)
Page 9
CD BOLCK ASSY 2 washer (2130) 3 coil spring (front) 1 two screws 1 two screws (P2.6 (P2.6 2 washer (2130) 2 washer (2130) 3 coil spring (front) 3 coil spring (front) 2 washer (2130) 4 CD block assy 3 coil spring (front) TRAY (2130) 1 two screws (PTPWH2.6...
Page 10
• SUB CHASSIS (2130) INSTALLATION Note: Follow the assembly procedure in the numerical order given. 2 Install the drive gear with gear 5 two screws position as shown in figure. (PTPWH2.6 gear 3 screw (PTPWH2.6 front side 4 sub chassis (2130) 1 Install the control cam with gear position as shown in figure.
SECTION 4 TEST MODE [MC Cold Reset] Aging mode sequence: • The cold reset clears all data including preset data stored in the Start RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure: Shut off FWD Play 1.
Page 12
[CD TEST MODE] 2. STOP Mode [EJECT ] In the CD test mode, the set works as following sequence. 1. Press the button twice to disc tray open and close. (All servo ON) CD test mode sequence: 2. Press the >...
Page 13
4. ALL SERVO ON Mode Connecting Location: 1. Press the button to enter the ALL SERVO ON mode and – CD BOARD (Conductor Side) – display as below. (All servo ON) Display TP (GND) STEREO TP (TE) * * * * TP (RF) TP (VC) IC701...
SECTION 6 SECTION 5 ELECTRICAL ADJUSTMENTS MECHANICAL ADJUSTMENTS PRECAUTION TAPE DECK SECTION 0 dB=0.775 V 1. Clean the following parts with a denatured-alcohol-moistened 1. Demagnetize the record/playback head with a head demagne- swab: tizer. (Do not bring the head demagnetizer close to the erase record/playback heads pinch rollers erase head...
Page 15
DECK A 1. Mode: Playback (FWD) Tape Speed Adjustment 2. Turn the adjustment screw and check output peaks. If the peaks Procedure: do not match for L-CH and R-CH, turn the adjustment screw Turn the power switch on. so that outputs match within 1dB of peak. Mode: Playback (FWD) test tape WS-48B...
Page 16
DECK B Record bias Current Adjustment Adjustment Location: Procedure: – MAIN BOARD (Component Side) – 1. Mode: Record Pin 6 (L-CH) of IC401 on the MAIN board. Pin ej (R-CH) of IC401 on the MAIN board. 1) 315 Hz 50 mV (–23.8 dB) 2) 10 kHz AF OSC blank tape...
Page 17
CD SECTION Note: CD Block is basically constructed to operate without adjustment. Therefore, check each item in order given. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. Use an oscilloscope with more than 10 M impedance. Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks.
HCD-CP2 • Circuit Boards Location 7-5. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGARAMS Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in F unless otherwise noted. pF: POWER board •...
HCD-CP2 7-7. SCHEMATIC DIAGRAM – CD Section – • See page 30 for Waveforms. • See page 39 for IC Block Diagrams. (Page 32) • Voltages and waveforms are dc with respect to ground under no-signal conditions. no mark : CD PLAY...
HCD-CP2 7-9. SCHEMATIC DIAGRAM – TAPE DECK Section – • • See page 30 for Waveform. See page 42 for IC Block Diagram. (Page 31) (Page 31) • Voltages and waveforms are dc with respect to ground BMETAL under no-signal conditions.
HCD-CP2 7-12. SCHEMATIC DIAGRAM – MAIN Section (1/3) – • See page 42 for IC Block Diagrams. (Page 27) (Page 32) (Page 27) • Voltages are dc with respect to ground under no-signal } : TAPE PLAYBACK (DECK A) (detuned) conditions.
HCD-CP2 7-14. SCHEMATIC DIAGRAM – MAIN Section (3/3) – • • See page 30 for Waveforms. See page 43 for IC Block Diagram. (Page 32) (Page 32) (Page 32) (Page 37) (Page • Voltages and waveforms are dc with respect to ground } : TAPE PLAYBACK (DECK A) under no-signal (detuned) conditions.
HCD-CP2 7-16. SCHEMATIC DIAGRAM – POWER AMP Section – • See page 43 for IC Block Diagram. (Page 32) (Page 38) • Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM/AM) ) : CD PLAY...
HCD-CP2 7-18. SCHEMATIC DIAGRAM – KEY CONTROL Section – (Page 33) • Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM/AM)
HCD-CP2 7-19. PRINTED WIRING BOARD – POWER Board – • See page 23 for Circuit Boards Location. (Page 28) (Page 34) 7-20. SCHEMATIC DIAGRAM – POWER SUPPLY Section – (Page 35) (Page 32) The components identified by mark 0 or dotted line with mark 0 are critical for safety.
Page 39
• IC Block Diagrams – CD Board – IC701 CXA1992BR 33 32 31 30 PD 2 PD 1 I-V AMP I-V AMP RF SUMMING FOCUS OK COMPARATOR LASER POWER CONTROL IFB1 – IFB6 PEAK/BOTTOM MIRR HOLD COMPARATOR PEAK/BOTTOM DEFECT BIAS HOLD FOCUS BIAS FOCUS ERROR...
7-21. IC PIN FUNCTION DESCRIPTION MAIN BOARD IC802 CXP84332-168Q (SYSTEM CONTROLLER) Pin No. Pin Name Description Deck-A/B selection signal output to the HA12203NT (IC401) “L”: deck-A, “H”: deck-B AMP-STBY Standby on/off control signal output to the power amplifier (IC101, 201) “L”: standby mode HI DUB REC High speed dubbing control signal output to the HA12203NT (IC401) C-XRST...
Page 45
Pin No. Pin Name Description AVREF Reference voltage (+5V) input terminal (for A/D converter) SIMUKE Destination setting terminal (A/D input) T-MODE Detection input from the deck-B half detect switch (S1006) Key input terminal (A/D input) KEY1 S800 to S807 (TUNING –/+, REC z, TAPE B m/M/x/Y, TUNER BAND keys input) Key input terminal (A/D input) S808 to S815 (CD x/u, TUNING MODE, REPEAT, PLAY KEY2 MODE,CD .
Page 46
Pin No. Pin Name Description C-XLAT Serial data latch pulse output to the CXD2589Q (IC703) Recording/playback selection signal output to the REC/PB switching (IC602) REC/PB “L”: playback mode, “H”: recording mode C-MUTE Muting on/off control signal output to the CXD2589Q (IC703) Serial data transfer clock signal output to the TDA7439 (IC301) Serial data output to the TDA7439 (IC301) —...
SECTION 8 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark are seldom required for routine service. Some may have some difference from the original 0 are critical for safety.
Page 48
(2) FRONT PANEL SECTION not supplied supplied with RV801 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-4952-108-1 KNOB ASSY 4-222-376-01 BRACKET (LCD) 4-222-401-01 BUTTON (BASS) 1-418-482-11 ILLUMINATION BLOCK, LED X-4951-956-1 PANEL SUB ASSY, FRONT (AEP, UK, AED) 4-222-388-01 SPRING (CASSETTE LID) X-4952-135-1 PANEL SUB ASSY, FRONT (EA, SP, AUS) 4-222-394-01 BRACKET (CASSETTE LID A)
Page 49
(3) CHASSIS SECTION T901 supplied supplied not supplied supplied The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-222-377-01 CHASSIS (LOWER)
Page 51
(5) CD MECHANISM DECK SECTION-2 (KSL-2130CCP/K1N) not supplied not supplied M701 M702 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref.
Page 52
(6) TAPE MECHANISM DECK SECTION-1 (TCM-220WR2E) (including z C) HP101 (including z A) not supplied not supplied not supplied HRPE101 (including z B) not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-908-560-01 SPRING, AZIMUTH ADJUSTMENT...
SECTION 9 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark are seldom required for routine service. parts list may be different from the parts speci- 0 are critical for safety.
Page 64
HCD-CP2 The components identified by mark 0 or dotted line with mark 0 are critical for safety. MAIN POWER Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 0 F903 < VARIABLE RESISTOR >...