Service Manual
Page 1
... used for after sales service only. ONLY) ...2 SPECIFICATIONS ...2 NAMES OF PARTS ...3 DISASSEMBLY ...5 REMOVING AND REINSTALLING THE MAIN PARTS ...7 ADJUSTMENT ...10 TEST MODE ...11 NOTES ON SCHEMATIC DIAGRAM ...15 TYPES OF TRANSISTOR AND LED ...15 BLOCK DIAGRAM ...16 SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD 20 VOLTAGE ...38 WAVEFORMS OF CD CIRCUIT ...39 TROUBLESHOOTING ...40 FUNCTION TABLE OF IC ...44 FL DISPLAY ...50 REPLACEMENT PARTS LIST/EXPLODED VIEW PACKING OF THE SET (FOR U.S.A. MODEL CD-E44 CD...
... used for after sales service only. ONLY) ...2 SPECIFICATIONS ...2 NAMES OF PARTS ...3 DISASSEMBLY ...5 REMOVING AND REINSTALLING THE MAIN PARTS ...7 ADJUSTMENT ...10 TEST MODE ...11 NOTES ON SCHEMATIC DIAGRAM ...15 TYPES OF TRANSISTOR AND LED ...15 BLOCK DIAGRAM ...16 SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD 20 VOLTAGE ...38 WAVEFORMS OF CD CIRCUIT ...39 TROUBLESHOOTING ...40 FUNCTION TABLE OF IC ...44 FL DISPLAY ...50 REPLACEMENT PARTS LIST/EXPLODED VIEW PACKING OF THE SET (FOR U.S.A. MODEL CD-E44 CD...
Service Manual
Page 2
... user, perform the following manner. * Plug the AC line cord directly into 8 ohms from 100 Hz to 20 kHz, 10% total harmonic distortion Speakers: 8 ohms Headphones: 16 - 50 ohms (recommended: 32 ohms) Video/Auxiliary (audio signal): 500 mV/47 k ohms s Amplifier (For Canada) Output power Output terminals Input terminals RMS: 100 W (50 W + 50 W) (10 % T.H.D.) Speakers: 8 ohms Headphones: 16 - 50 ohms (recommended: 32 ohms) Video/Auxiliary (audio signal): 500 mV/47 k ohms s CD player Type Signal readout D/A converter Frequency response Dynamic range 3-disc multi-play compact disc player...
... user, perform the following manner. * Plug the AC line cord directly into 8 ohms from 100 Hz to 20 kHz, 10% total harmonic distortion Speakers: 8 ohms Headphones: 16 - 50 ohms (recommended: 32 ohms) Video/Auxiliary (audio signal): 500 mV/47 k ohms s Amplifier (For Canada) Output power Output terminals Input terminals RMS: 100 W (50 W + 50 W) (10 % T.H.D.) Speakers: 8 ohms Headphones: 16 - 50 ohms (recommended: 32 ohms) Video/Auxiliary (audio signal): 500 mV/47 k ohms s CD player Type Signal readout D/A converter Frequency response Dynamic range 3-disc multi-play compact disc player...
Service Manual
Page 3
... Signal) Input Jacks 2. Timer/Sleep Button 12 7. CD Button 17 19. Clock Button 6. Tuner (Band) Button 23. Disc Number Indicators 2. AC Power Input Jack 4. Woofers 2. Tape Play Indicator 4. 1 2 3 4 5 6 7 8 9 10 11 18 19 20 21 NAMES OF PARTS CD-E500 CD-E55/E44 s Front panel 1. Disc Tray 2. Timer Set Indicator 3. Tuning and Time Up Button 8. Video/Auxiliary Button 22 24. CD Play or Repeat, Tape Play Button 25. CD Play Indicator 3. Timer Play Indicator 10. CD Pause Indicator 11. Tape Record Indicator 13. FM/AM Loop Antenna Jack 5. Speaker...
... Signal) Input Jacks 2. Timer/Sleep Button 12 7. CD Button 17 19. Clock Button 6. Tuner (Band) Button 23. Disc Number Indicators 2. AC Power Input Jack 4. Woofers 2. Tape Play Indicator 4. 1 2 3 4 5 6 7 8 9 10 11 18 19 20 21 NAMES OF PARTS CD-E500 CD-E55/E44 s Front panel 1. Disc Tray 2. Timer Set Indicator 3. Tuning and Time Up Button 8. Video/Auxiliary Button 22 24. CD Play or Repeat, Tape Play Button 25. CD Play Indicator 3. Timer Play Indicator 10. CD Pause Indicator 11. Tape Record Indicator 13. FM/AM Loop Antenna Jack 5. Speaker...
Service Manual
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...3. Program Clear Button 4 13 7. FM Stereo Receiving Indicator 6. Video/Auxiliary (Audio Signal) Input Jacks 2. FM/AM Loop Antenna Jack 5. Woofer 4. Speaker Wire s Remote control 1 1. Memory Button 6. CD or Tape Stop Button 15 10. Equalizer Mode Select Button 6 7 16 11. Tuning and Time Down Button 8. CD Track Down or Fast Reverse, Tape 2 Rewind, 5 14 Tuner Preset Down Button 9. Disc Number Select Buttons 12. Tape Play Indicator 4. AC Power Input Jack 4. Bass Reflex Ducts 3. Tape 2 Record Pause Button 19. Volume Up and Down Buttons Buttons...
...3. Program Clear Button 4 13 7. FM Stereo Receiving Indicator 6. Video/Auxiliary (Audio Signal) Input Jacks 2. FM/AM Loop Antenna Jack 5. Woofer 4. Speaker Wire s Remote control 1 1. Memory Button 6. CD or Tape Stop Button 15 10. Equalizer Mode Select Button 6 7 16 11. Tuning and Time Down Button 8. CD Track Down or Fast Reverse, Tape 2 Rewind, 5 14 Tuner Preset Down Button 9. Disc Number Select Buttons 12. Tape Play Indicator 4. AC Power Input Jack 4. Bass Reflex Ducts 3. Tape 2 Record Pause Button 19. Volume Up and Down Buttons Buttons...
Service Manual
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..., push in the arrow direction through the hold on the loading tray bottom. 2. DISASSEMBLY CD-E500 CD-E55/E44 Caution on Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling it safe and ensure excellent performance: 1. Take cassette tape and compact disc out of the connector so as to protect the optical pickup from the wall...
..., push in the arrow direction through the hold on the loading tray bottom. 2. DISASSEMBLY CD-E500 CD-E55/E44 Caution on Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling it safe and ensure excellent performance: 1. Take cassette tape and compact disc out of the connector so as to protect the optical pickup from the wall...
Service Manual
Page 10
Input: Antenna Output: TP301 *2. CD-E500 CD-E55/E44 ADJUSTMENT MECHANISM SECTION TUNER SECTION • Driving Force Check Torque Meter Play: DM-300 Specified Value Tape 1: Over 80 g Tape 2: Over 80 g fL: Low-range frequency fH: High-range frequency • AM IF/RF Signal generator: 400 Hz, 30%, AM modulated • Torque Check Torque Meter Specified Value Test Stage Frequency Frequency Setting/ Instrument Display Adjusting Connection Parts Play: DM-300 Fast forward: DM-300 Rewind: DM-300...
Input: Antenna Output: TP301 *2. CD-E500 CD-E55/E44 ADJUSTMENT MECHANISM SECTION TUNER SECTION • Driving Force Check Torque Meter Play: DM-300 Specified Value Tape 1: Over 80 g Tape 2: Over 80 g fL: Low-range frequency fH: High-range frequency • AM IF/RF Signal generator: 400 Hz, 30%, AM modulated • Torque Check Torque Meter Specified Value Test Stage Frequency Frequency Setting/ Instrument Display Adjusting Connection Parts Play: DM-300 Fast forward: DM-300 Rewind: DM-300...
Service Manual
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.... *If the focus is not received after display lights up to CD STB off to shift to the ordinary standby mode. TEST MODE CD-E500 CD-E55/E44 The test mode applied to step 3 3. CD Test Mode (TEST 1 CD + VOLUME UP 2. Electronic Volume Test Mode (TEST 3 TUNING DOWN + VOLUME UP 4. Step 2 Mode Press the "MEMORY/SET" button in the ordinary stand-by pressing the CD STOP button. Test mode and power turned off to shift to step 2 "STOP Invalid "VIDEO/AUX CLV 2. One second after it...
.... *If the focus is not received after display lights up to CD STB off to shift to the ordinary standby mode. TEST MODE CD-E500 CD-E55/E44 The test mode applied to step 3 3. CD Test Mode (TEST 1 CD + VOLUME UP 2. Electronic Volume Test Mode (TEST 3 TUNING DOWN + VOLUME UP 4. Step 2 Mode Press the "MEMORY/SET" button in the ordinary stand-by pressing the CD STOP button. Test mode and power turned off to shift to step 2 "STOP Invalid "VIDEO/AUX CLV 2. One second after it...
Service Manual
Page 12
... protect the memory of TEST02 mode. CD-E500 CD-E55/E44 4. Test mode and power turned off POWER to the ordinary standby mode. Step 5 Mode When the CD initialization operation flow is completed, the mute is turned off AC in the initial state. • To clear the whole memory, insert the AC cord, pressing MEMORY/SET + CD PLAY. - 12 - Outline of tuner test mode Press the "TUNER(BAND)" and "VOLUME UP" buttons in POWER OFF state and turn...
... protect the memory of TEST02 mode. CD-E500 CD-E55/E44 4. Test mode and power turned off POWER to the ordinary standby mode. Step 5 Mode When the CD initialization operation flow is completed, the mute is turned off AC in the initial state. • To clear the whole memory, insert the AC cord, pressing MEMORY/SET + CD PLAY. - 12 - Outline of tuner test mode Press the "TUNER(BAND)" and "VOLUME UP" buttons in POWER OFF state and turn...
Service Manual
Page 13
... FM 87.5 MHz • The slant line sections of ordinary timer operation. 6. CD-E500 CD-E55/E44 5. Then pressing the "PLAY" button switches display as one second. Set the current time and timer time according to STEP 12, respectively. The button operations in the test mode are lighted. Timer test Mode (TEST 4) When this test mode is obtained, the following display lights for one step for one second, and the timer is pressed...
... FM 87.5 MHz • The slant line sections of ordinary timer operation. 6. CD-E500 CD-E55/E44 5. Then pressing the "PLAY" button switches display as one second. Set the current time and timer time according to STEP 12, respectively. The button operations in the test mode are lighted. Timer test Mode (TEST 4) When this test mode is obtained, the following display lights for one step for one second, and the timer is pressed...
Service Manual
Page 14
... - In both cases of buttons to the standby mode if the "POWER ON/STAND BY" button is displayed. FUNCTION: Enter the TEST MODE 8, MCU control the 3 DISC CHANGER OPEN/CLOSE. Below is not determined. Request: Every period include 4 operation. Button input diagnosis Test Mode (TEST 6) When the test mode is obtained, the following 10 buttons are not always provided with SURROUND (HAVE OR NOT), and electric CD lid, the following is as...
... - In both cases of buttons to the standby mode if the "POWER ON/STAND BY" button is displayed. FUNCTION: Enter the TEST MODE 8, MCU control the 3 DISC CHANGER OPEN/CLOSE. Below is not determined. Request: Every period include 4 operation. Button input diagnosis Test Mode (TEST 6) When the test mode is obtained, the following 10 buttons are not always provided with SURROUND (HAVE OR NOT), and electric CD lid, the following is as...
Service Manual
Page 15
... replace these parts with specified ones for improvement without prior notice. • The indicated voltage in each section is the one with "Fusible" is a fuse type. • Capacitor: To indicate the unit of capacitor, a symbol P is used: this model are important for maintaining the safety of the set . DISC 1 X-BASS/DEMO POWER ON/STAND-BY OPEN/CLOSE DISK SKIP VIDEO/AUX TAPE PRESET DOWN PLAY...
... replace these parts with specified ones for improvement without prior notice. • The indicated voltage in each section is the one with "Fusible" is a fuse type. • Capacitor: To indicate the unit of capacitor, a symbol P is used: this model are important for maintaining the safety of the set . DISC 1 X-BASS/DEMO POWER ON/STAND-BY OPEN/CLOSE DISK SKIP VIDEO/AUX TAPE PRESET DOWN PLAY...
Service Manual
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...7 BIAS 8 REC/PLAY 9 REC 10 SOL801 SOLENOID PHOTE INTERRUPTER SWITCHING Q820 Q804 Q817 SOLENOID DRIVER TAPE 1 SW802 INITIALIZE SOL802 SOLENOID PHOTE INTERRUPTER Q809 U_CON5V +B3 Q806 +B2 Q805 Q816 SOLENOID DRIVER CNS803 FROM CNS901 DISPLAY SECTION AUX L R TAPE L R TUNER L R CD L R + + + V V - + DG + Figure 16 BLOCK DIAGRAM (1/4) - 16 - CD-E500 CD-E55/E44 FM ANTENNA AM LOOP ANTENNA B.P.F 3 BF301 2... MPX./AM IF 1 T351 CF352 AM IF 2 4 5 CF351 X351 456 kHz 9 8 17 13 FM MUTE LEVEL VR351 AM OSC OUT AM MIX AM IF GND FM MO/ST IC303 VCC DET VCO L 14 LA1832S FM/AM...
...7 BIAS 8 REC/PLAY 9 REC 10 SOL801 SOLENOID PHOTE INTERRUPTER SWITCHING Q820 Q804 Q817 SOLENOID DRIVER TAPE 1 SW802 INITIALIZE SOL802 SOLENOID PHOTE INTERRUPTER Q809 U_CON5V +B3 Q806 +B2 Q805 Q816 SOLENOID DRIVER CNS803 FROM CNS901 DISPLAY SECTION AUX L R TAPE L R TUNER L R CD L R + + + V V - + DG + Figure 16 BLOCK DIAGRAM (1/4) - 16 - CD-E500 CD-E55/E44 FM ANTENNA AM LOOP ANTENNA B.P.F 3 BF301 2... MPX./AM IF 1 T351 CF352 AM IF 2 4 5 CF351 X351 456 kHz 9 8 17 13 FM MUTE LEVEL VR351 AM OSC OUT AM MIX AM IF GND FM MO/ST IC303 VCC DET VCO L 14 LA1832S FM/AM...
Service Manual
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... R807 47K 3 2 Q806 KRC107 M R825 10K 270 H • NOTES ON SCHEMATIC DIAGRAM can be found on page 15. 1 2 3 4 5 6 Figure 22 SCHEMATIC DIAGRAM (3/11) - 22 - CD-E500 CD-E55/E44 Q814 KSC1815 GR C809 82P L(T1) R(T1) L(T2) R(T2) R836 47 TAPE MECHANISM ASS'Y(219) MAIN PWB-A(2/3) A PLAYBACK SIGNAL TAPE 1 RECORD SIGNAL PLAYBACK HEAD (219-7) R-CH L-CH CNW801 1 1 2 2 3 3 TI_R A_GND T1_L C803...
... R807 47K 3 2 Q806 KRC107 M R825 10K 270 H • NOTES ON SCHEMATIC DIAGRAM can be found on page 15. 1 2 3 4 5 6 Figure 22 SCHEMATIC DIAGRAM (3/11) - 22 - CD-E500 CD-E55/E44 Q814 KSC1815 GR C809 82P L(T1) R(T1) L(T2) R(T2) R836 47 TAPE MECHANISM ASS'Y(219) MAIN PWB-A(2/3) A PLAYBACK SIGNAL TAPE 1 RECORD SIGNAL PLAYBACK HEAD (219-7) R-CH L-CH CNW801 1 1 2 2 3 3 TI_R A_GND T1_L C803...
Service Manual
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... X-BASS /DEMO R751 1K RX701 GP1UM271 REMOTE SENSOR 123 C709 100/10 C710 0.047 R760 C708 47 100P EQUALIZER VOLUME UP VOLUME DOWN OPEN/CLOSE DISC SKIP VIDEO/AUX TAPE PRESET DOWN PLAY/REPEAT PRESET UP STOP SW719 SW720 SW721 SW703 SW704 SW705 SW706 SW707 SW708 SW709 SW710 R765 75K TUNER (BAND) CD R766 15K REC/PAUSE R767 8.2K MEMORY/SET R768 5.6K TUNING TIME R769 DOWN 3.9K TUNING TIME...
... X-BASS /DEMO R751 1K RX701 GP1UM271 REMOTE SENSOR 123 C709 100/10 C710 0.047 R760 C708 47 100P EQUALIZER VOLUME UP VOLUME DOWN OPEN/CLOSE DISC SKIP VIDEO/AUX TAPE PRESET DOWN PLAY/REPEAT PRESET UP STOP SW719 SW720 SW721 SW703 SW704 SW705 SW706 SW707 SW708 SW709 SW710 R765 75K TUNER (BAND) CD R766 15K REC/PAUSE R767 8.2K MEMORY/SET R768 5.6K TUNING TIME R769 DOWN 3.9K TUNING TIME...
Service Manual
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... the CD player will automatically stop button. CD-E500 CD-E55/E44 TROUBLESHOOTING When the CD does not function The CD section may be used on car CD players or on computer CD-ROM drives. Clean the objective lens, and check the playback operation. When this section does not operate even after the above step is dirty. CD optical pickup Lens cleaner disc Parts code UDSKA0004AFZZ HOW TO USE 1. You will hear music...
... the CD player will automatically stop button. CD-E500 CD-E55/E44 TROUBLESHOOTING When the CD does not function The CD section may be used on car CD players or on computer CD-ROM drives. Clean the objective lens, and check the playback operation. When this section does not operate even after the above step is dirty. CD optical pickup Lens cleaner disc Parts code UDSKA0004AFZZ HOW TO USE 1. You will hear music...
Service Manual
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... ) terminal which is not connected to 0 V. 29* DEFECT Output L Defect terminal. 30* V/*P Output H Auto switching monitor output terminal for spindle control. L Internal signal monitor terminal 1. Digital system earth terminal. Left channel D/A converter Power supply for TE signal. 15 TE 16* RFMON 17 JITTC 18 ADAVDD 19 ADAVSS 20 TDO 21 FDO Output Output - B+D signal input terminal. Input - D/A output. D/A output. 23 SLDO Output ADAVDD/2 Output terminal for sled control. CD-E500 CD-E55/E44 FUNCTION TABLE OF IC IC401...
... ) terminal which is not connected to 0 V. 29* DEFECT Output L Defect terminal. 30* V/*P Output H Auto switching monitor output terminal for spindle control. L Internal signal monitor terminal 1. Digital system earth terminal. Left channel D/A converter Power supply for TE signal. 15 TE 16* RFMON 17 JITTC 18 ADAVDD 19 ADAVSS 20 TDO 21 FDO Output Output - B+D signal input terminal. Input - D/A output. D/A output. 23 SLDO Output ADAVDD/2 Output terminal for sled control. CD-E500 CD-E55/E44 FUNCTION TABLE OF IC IC401...
Service Manual
Page 45
... 48 XOUT 49 XIN Input Output Input - Left/Right channel data input port. (If this unit, the terminal with serial data command from microcomputer. Chip reset signal input port. When not used, General purpose input/ General purpose port 2. Power supply for internal VCO. Chip enable signal input port. 62 CL Input - IC401 VHiLC78646E-1: Servo/Signal Control (LC78646E) (2/2) CD-E500 CD-E55/E44 Pin No. or Clock input port for internal...
... 48 XOUT 49 XIN Input Output Input - Left/Right channel data input port. (If this unit, the terminal with serial data command from microcomputer. Chip reset signal input port. When not used, General purpose input/ General purpose port 2. Power supply for internal VCO. Chip enable signal input port. 62 CL Input - IC401 VHiLC78646E-1: Servo/Signal Control (LC78646E) (2/2) CD-E500 CD-E55/E44 Pin No. or Clock input port for internal...
Service Manual
Page 48
... REC_PLAY Output Tape REC/PLAY change. 78 S45 REC Input Tape 2 rec SW detection. 79 S46 MOTOR Output Tape motor control. 80 S47 T1_SOL Output Tape 1 solenoid control. 81 S48 T2_SOL Output Tape 2 solenoid control. 82 S49 T1_RUN_PLUS Input Tape 1 RUN PULSE input. 83 S50 T2_RUN_PLUS Input Tape 2 RUN PULSE input. CD-E500 CD-E55/E44 IC701 RH-iX0058SJZZ: System Microcomputer (IX0058SJ) (1/2) Pin No. Port Name Terminal Name Input/Output Function 1 P16 TIMER_LED Output Timer LED control. 2* P17 RDS_DATA Input/Output...
... REC_PLAY Output Tape REC/PLAY change. 78 S45 REC Input Tape 2 rec SW detection. 79 S46 MOTOR Output Tape motor control. 80 S47 T1_SOL Output Tape 1 solenoid control. 81 S48 T2_SOL Output Tape 2 solenoid control. 82 S49 T1_RUN_PLUS Input Tape 1 RUN PULSE input. 83 S50 T2_RUN_PLUS Input Tape 2 RUN PULSE input. CD-E500 CD-E55/E44 IC701 RH-iX0058SJZZ: System Microcomputer (IX0058SJ) (1/2) Pin No. Port Name Terminal Name Input/Output Function 1 P16 TIMER_LED Output Timer LED control. 2* P17 RDS_DATA Input/Output...
Service Manual
Page 51
PARTS GUIDE CD-E500 CD-E55/E44 MINI COMPONENT SYSTEM MODEL CD-E500 CD-E500 Mini Component System consisting of CD-E55 (main unit) and CP-E55 (speaker system). MODEL CD-E55 CD-E55 Mini Component System consisting of CD-E500 (main unit) and CP-E500 (speaker system). DESCRIPTION For location of SHARP Parts Distributor, Please call Toll-Free; 1-800-BE-SHARP MARK: SPARE PARTS-DELIVERY SECTION Explanation of CD-E44 (main unit) and CP-E44 (speaker system). The 13th character represents error. ("J" ±...
PARTS GUIDE CD-E500 CD-E55/E44 MINI COMPONENT SYSTEM MODEL CD-E500 CD-E500 Mini Component System consisting of CD-E55 (main unit) and CP-E55 (speaker system). MODEL CD-E55 CD-E55 Mini Component System consisting of CD-E500 (main unit) and CP-E500 (speaker system). DESCRIPTION For location of SHARP Parts Distributor, Please call Toll-Free; 1-800-BE-SHARP MARK: SPARE PARTS-DELIVERY SECTION Explanation of CD-E44 (main unit) and CP-E44 (speaker system). The 13th character represents error. ("J" ±...
Service Manual
Page 56
... AD Cover,Timer LED AL Rear Panel [CD-E44] Rear Panel [CD-E500 For U.S.A.] AL Rear Panel [CD-E55 For U.S.A.] Rear Panel [CD-E55 For Canada] Rear Panel [CD-E500 For Canada] AE SHARP Badge AD Button,Power [CD-E44/55] AD Button,Power [CD-E500] AF Button,Function [CD-E44/55] AF Button,Function [CD-E500] AF Button,Stop/Play [CD-E44/55] AF Button,Stop/Play [CD-E300] AD Button,X-BASS AF Button,Volume [CD-E44/55] AF Button,Volume [CD-E500] AE Button,Operation [CD-E44/55] AE Button,Operation [CD-E500] Tape Mechanism Ass'y Belt,FF/REW...
... AD Cover,Timer LED AL Rear Panel [CD-E44] Rear Panel [CD-E500 For U.S.A.] AL Rear Panel [CD-E55 For U.S.A.] Rear Panel [CD-E55 For Canada] Rear Panel [CD-E500 For Canada] AE SHARP Badge AD Button,Power [CD-E44/55] AD Button,Power [CD-E500] AF Button,Function [CD-E44/55] AF Button,Function [CD-E500] AF Button,Stop/Play [CD-E44/55] AF Button,Stop/Play [CD-E300] AD Button,X-BASS AF Button,Volume [CD-E44/55] AF Button,Volume [CD-E500] AE Button,Operation [CD-E44/55] AE Button,Operation [CD-E500] Tape Mechanism Ass'y Belt,FF/REW...