Service Manual
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SERVICE MANUAL HCD-ED2 US Model Canadian Model AEP Model UK Model E Model Australian Model HCD-ED2 is the tuner, deck, CD and amplifier section in CMT-ED2. CD SECTION TAPE DECK SECTION Model Name Using Similar Mechanism NEW Mechanism Type CDM-61 Base Unit Type KSM-331AAN/K1NP Optical Pick-up Type KSS-331A (RP) Model Name Using Similar Mechanism NEW Tape Transport Mechanism Type CMAL1Z025A SPECIFICATIONS MICROFILM - COMPACT DISC DECK RECEIVER 1 Continued on next page -
SERVICE MANUAL HCD-ED2 US Model Canadian Model AEP Model UK Model E Model Australian Model HCD-ED2 is the tuner, deck, CD and amplifier section in CMT-ED2. CD SECTION TAPE DECK SECTION Model Name Using Similar Mechanism NEW Mechanism Type CDM-61 Base Unit Type KSM-331AAN/K1NP Optical Pick-up Type KSS-331A (RP) Model Name Using Similar Mechanism NEW Tape Transport Mechanism Type CMAL1Z025A SPECIFICATIONS MICROFILM - COMPACT DISC DECK RECEIVER 1 Continued on next page -
Service Manual
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HCD-ED2 6-2. BD SECTION - • See page 13 for Waveforms. • See page 15 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 331A (RP) 14 14 SCHEMATIC DIAGRAM -
HCD-ED2 6-2. BD SECTION - • See page 13 for Waveforms. • See page 15 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 331A (RP) 14 14 SCHEMATIC DIAGRAM -
Service Manual
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FUNCTION SECTION - • See page 13 for Waveforms. • See page 17 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 16 16 HCD-ED2 6-4. SCHEMATIC DIAGRAM -
FUNCTION SECTION - • See page 13 for Waveforms. • See page 17 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 16 16 HCD-ED2 6-4. SCHEMATIC DIAGRAM -
Service Manual
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SCHEMATIC DIAGRAM - TAPE PREAMP SECTION - • See page 13 for Waveforms. • See page 19 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 18 18 HCD-ED2 6-6.
SCHEMATIC DIAGRAM - TAPE PREAMP SECTION - • See page 13 for Waveforms. • See page 19 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 18 18 HCD-ED2 6-6.
Service Manual
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HCD-ED2 6-8. DISPLAY SECTION - • See page 13 for Waveforms. • See page 21 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 20 20 SCHEMATIC DIAGRAM -
HCD-ED2 6-8. DISPLAY SECTION - • See page 13 for Waveforms. • See page 21 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 20 20 SCHEMATIC DIAGRAM -
Service Manual
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HCD-ED2 6-10. SCHEMATIC DIAGRAM - RELAY SECTION - • See page 13 for Waveforms. • See page 23 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 22 22
HCD-ED2 6-10. SCHEMATIC DIAGRAM - RELAY SECTION - • See page 13 for Waveforms. • See page 23 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 22 22
Service Manual
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SCHEMATIC DIAGRAM - POWER SECTION - • See page 13 for Waveforms. • See page 25 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 24 24 HCD-ED2 6-12.
SCHEMATIC DIAGRAM - POWER SECTION - • See page 13 for Waveforms. • See page 25 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 24 24 HCD-ED2 6-12.
Service Manual
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RDS SECTION - • See page 13 for Waveforms. • See page 27 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 26 26 HCD-ED2 6-14. SCEMATIC DIAGRAM -
RDS SECTION - • See page 13 for Waveforms. • See page 27 for Printed Wiring Board. • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Functions. 26 26 HCD-ED2 6-14. SCEMATIC DIAGRAM -
Service Manual
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...ERROR CORRECTOR DIGITAL PLL 16K RAM EFM DEMODULATOR ASYMMETRY CORRECTION 43 42 41 OPERATIONAL AMPLIFIER ANALOG SWITCH A/D CONVERTER TIMING LOGIC PWM PWM 3rd ORDER NOISE SHAPER OVER SAMPLING DIGITAL FILTER SERIAL IN INTERFACE SUBCODE PROCESSOR SERVO INTERFACE SERVO AUTO SEQUENCER SERVO DSP... POWER AMP Board HOLD 1 AGCVTH 2 LD 3 PD 4 A5 B6 C7 D8 VEE 9 F 10 APC PD AMP ...PROTECT ERROR AMP VREF ~_1.8V ERROR AMP 1 2 34 56 7 8 9 10 E 11 VC VC BUFFER VC 12 VC 13 TE VC TRACKING ERROR AMP VCC VC VEE 28 VO1 VCC CN1 EN EN DISPLAY GND NC CN2 VEE VO2 • FUNCTION...HCD-ED2 6-16.
...ERROR CORRECTOR DIGITAL PLL 16K RAM EFM DEMODULATOR ASYMMETRY CORRECTION 43 42 41 OPERATIONAL AMPLIFIER ANALOG SWITCH A/D CONVERTER TIMING LOGIC PWM PWM 3rd ORDER NOISE SHAPER OVER SAMPLING DIGITAL FILTER SERIAL IN INTERFACE SUBCODE PROCESSOR SERVO INTERFACE SERVO AUTO SEQUENCER SERVO DSP... POWER AMP Board HOLD 1 AGCVTH 2 LD 3 PD 4 A5 B6 C7 D8 VEE 9 F 10 APC PD AMP ...PROTECT ERROR AMP VREF ~_1.8V ERROR AMP 1 2 34 56 7 8 9 10 E 11 VC VC BUFFER VC 12 VC 13 TE VC TRACKING ERROR AMP VCC VC VEE 28 VO1 VCC CN1 EN EN DISPLAY GND NC CN2 VEE VO2 • FUNCTION...HCD-ED2 6-16.
Service Manual
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... GENERATOR OSCILLATOR AND DIVIDER RECONSTRUCTION FILTER 57kHz BANDPASS (8th ORDER) TEST LOGIC AND OUTPUT SELECTOR SWITCH ANTIALIASING FILTER DEFFERENTIAL DECODER BIPHASE SYMBOL DECODER 1 2 3 4 CONTAS LOOP VARIABLE AND FIXED DIVIDER CLOCKED COMPARATOR CLOCK REGENERATION AND SYNC VP1 REFERENCE VOLTAGE 5 6 7 8 SCOUT CIN VSSA Vref RDDA QUAL • TAPE PREAMP Board IC191 BA6218 6 VCC A OUT 7 POW GND 8 B OUT 9 A IN...
... GENERATOR OSCILLATOR AND DIVIDER RECONSTRUCTION FILTER 57kHz BANDPASS (8th ORDER) TEST LOGIC AND OUTPUT SELECTOR SWITCH ANTIALIASING FILTER DEFFERENTIAL DECODER BIPHASE SYMBOL DECODER 1 2 3 4 CONTAS LOOP VARIABLE AND FIXED DIVIDER CLOCKED COMPARATOR CLOCK REGENERATION AND SYNC VP1 REFERENCE VOLTAGE 5 6 7 8 SCOUT CIN VSSA Vref RDDA QUAL • TAPE PREAMP Board IC191 BA6218 6 VCC A OUT 7 POW GND 8 B OUT 9 A IN...