Service Manual
Page 1
... MAIN PARTS ...9 ADJUSTMENT ...10 NOTES ON SCHEMATIC DIAGRAM ...14 TYPES OF TRANSISTOR AND LED ...14 BLOCK DIAGRAM ...15 SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD 18 VOLTAGE ...35 WAVEFORMS OF CD CIRCUIT ...36 TROUBLESHOOTING ...37 FUNCTION TABLE OF IC ...41 FL DISPLAY ...47 REPLACEMENT PARTS LIST/EXPLODED VIEW PACKING OF THE SET (FOR U.S.A. The contents are subject to those specified be used . MINI COMPONENT SYSTEM MODEL CD-E77 CD-E77 Mini Component System consisting of CD-E77 (main...
... MAIN PARTS ...9 ADJUSTMENT ...10 NOTES ON SCHEMATIC DIAGRAM ...14 TYPES OF TRANSISTOR AND LED ...14 BLOCK DIAGRAM ...15 SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD 18 VOLTAGE ...35 WAVEFORMS OF CD CIRCUIT ...36 TROUBLESHOOTING ...37 FUNCTION TABLE OF IC ...41 FL DISPLAY ...47 REPLACEMENT PARTS LIST/EXPLODED VIEW PACKING OF THE SET (FOR U.S.A. The contents are subject to those specified be used . MINI COMPONENT SYSTEM MODEL CD-E77 CD-E77 Mini Component System consisting of CD-E77 (main...
Service Manual
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Inspect all protective devices such as conduit or electrical ground connected to earth ground. * Use a VTVM or VOM with 1000 ohm per volt, or higher, sensitivity to measure the AC voltage drop across the resistor (See diagram). * Connect the resistor connection to all exposed metal parts having a return path to the chassis (antenna, metal cabinet, screw heads, knobs and control shafts...
Inspect all protective devices such as conduit or electrical ground connected to earth ground. * Use a VTVM or VOM with 1000 ohm per volt, or higher, sensitivity to measure the AC voltage drop across the resistor (See diagram). * Connect the resistor connection to all exposed metal parts having a return path to the chassis (antenna, metal cabinet, screw heads, knobs and control shafts...
Service Manual
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....1 lbs. (7.3 kg) Amplifier Output power Output terminals Input terminals 125 watts minimum RMS per channel into 6 ohms from 60 Hz to 20 kHz, 10% total harmonic distortion Speakers: 6 ohms Headphones: 16 - 50 ohms (recommended: 32 ohms) Video/Auxiliary (audio signal): 500 mV/47 k ohms CD player Type Signal readout D/A converter Frequency response Dynamic range 3-disc multi-play compact disc player Non-contact, 3-beam semiconductor laser pickup 1-bit D/A converter 20 - 20,000 Hz 90 dB (1 kHz) Tuner Frequency range FM: 87...
....1 lbs. (7.3 kg) Amplifier Output power Output terminals Input terminals 125 watts minimum RMS per channel into 6 ohms from 60 Hz to 20 kHz, 10% total harmonic distortion Speakers: 6 ohms Headphones: 16 - 50 ohms (recommended: 32 ohms) Video/Auxiliary (audio signal): 500 mV/47 k ohms CD player Type Signal readout D/A converter Frequency response Dynamic range 3-disc multi-play compact disc player Non-contact, 3-beam semiconductor laser pickup 1-bit D/A converter 20 - 20,000 Hz 90 dB (1 kHz) Tuner Frequency range FM: 87...
Service Manual
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.... CD or Tape Stop Button 21. Disc Number Indicators 4. Tape 2 Record Indicator 5. Memory Indicator 12 10 11 Rear panel 1. Video/Auxiliary (Audio Signal) Input Jacks 5. CD-E700/CD-E77 CD-E700/CD-E77 Front panel NAMES OF PARTS 1. Timer Set Indicator 3. Power On/Stand-by Button 5. Tape (1 2) Button 20. CD Pause Indicator 2. FM Stereo Receiving Indicator 7. Timer Play Indicator 8. Timer Recording Indicator 10. Timer/Sleep Button 7. Headphone Jack 10. Equalizer Mode Select Button 7 13. CD Track Up or Fast Forward, Tape 2 Fast Forward, 18 Tuner Preset Up Button...
.... CD or Tape Stop Button 21. Disc Number Indicators 4. Tape 2 Record Indicator 5. Memory Indicator 12 10 11 Rear panel 1. Video/Auxiliary (Audio Signal) Input Jacks 5. CD-E700/CD-E77 CD-E700/CD-E77 Front panel NAMES OF PARTS 1. Timer Set Indicator 3. Power On/Stand-by Button 5. Tape (1 2) Button 20. CD Pause Indicator 2. FM Stereo Receiving Indicator 7. Timer Play Indicator 8. Timer Recording Indicator 10. Timer/Sleep Button 7. Headphone Jack 10. Equalizer Mode Select Button 7 13. CD Track Up or Fast Forward, Tape 2 Fast Forward, 18 Tuner Preset Up Button...
Service Manual
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...Down or Fast Reverse, Tape 2 Rewind Button 2 6. Direct Search Buttons 14. Extra Bass Button 18. Tuner (Band) Button 21. Equalizer Mode Select Button 19. Super Tweeters 2. Woofer 3. Passive Radiator 5. Speaker Wire 1 3 2 4 5 - 5 - CD Random Button 13. CD Track Up or Fast Forward, Tape 2 Fast Forward Button 5 16. Tweeter 4. Tuner Preset Up and Down Buttons 15. Volume Up and Down Buttons 6 20. CD-E700/CD-E77 Remote control 1. CD Button 10. Tape 2 Record Pause Button 9. Video/Auxiliary Button 7 8 Buttons with " " mark in the illustration...
...Down or Fast Reverse, Tape 2 Rewind Button 2 6. Direct Search Buttons 14. Extra Bass Button 18. Tuner (Band) Button 21. Equalizer Mode Select Button 19. Super Tweeters 2. Woofer 3. Passive Radiator 5. Speaker Wire 1 3 2 4 5 - 5 - CD Random Button 13. CD Track Up or Fast Forward, Tape 2 Fast Forward Button 5 16. Tweeter 4. Tuner Preset Up and Down Buttons 15. Volume Up and Down Buttons 6 20. CD-E700/CD-E77 Remote control 1. CD Button 10. Tape 2 Record Pause Button 9. Video/Auxiliary Button 7 8 Buttons with " " mark in the illustration...
Service Manual
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... 1. Socket E2) x3 3. Flat Cable E3) x1 4. Flat Wire E4) x1 6-2, 7-1 7-1 6 Front Panel 1. Hook F2) x2 3. Knob G1) x1 7-2 2. Flat Cable G3) x1 8 Tape Mechanism 1. Open the cassette holder. .. 7-2 2. Screw H1) x5 9 Headphones PWB 1. Hook K1) x2 7-3 2. Turn fully the lock lever in the arrow direction through the hole on the power supply, .. 6-2 CD Player Unit open the changer manually. (Fig. 6-3) 1. Push the...
... 1. Socket E2) x3 3. Flat Cable E3) x1 4. Flat Wire E4) x1 6-2, 7-1 7-1 6 Front Panel 1. Hook F2) x2 3. Knob G1) x1 7-2 2. Flat Cable G3) x1 8 Tape Mechanism 1. Open the cassette holder. .. 7-2 2. Screw H1) x5 9 Headphones PWB 1. Hook K1) x2 7-3 2. Turn fully the lock lever in the arrow direction through the hole on the power supply, .. 6-2 CD Player Unit open the changer manually. (Fig. 6-3) 1. Push the...
Service Manual
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... pickup. Specified Instrument Value Connection 3,000 ± 30 Hz Speaker Terminal (Load resistance: 6 ohms) TAPE MECHANISM Tape Motor - 10 - Figure 10-1 (B3)x2 ø2.6x6mm Stop Washer (B1)x1 Shaft (B4)x1 ADJUSTMENT Pickup Unit Gear (B2)x1 CD Mechanism Figure 10-2 MECHANISM SECTION...Tape Speed Test Tape Normal MTT-111 speed Adjusting Point Variable Resistor in motor Figure 10-3 Bend the hooks (A1) x 5 pcs., to remove the loading motor (See Fig. 10-1) 1. CD-E700/CD-E77 CD MECHANISM SECTION Perform steps 1, 2, 3, 10, 11,12 and 13 of connector so as to protect the optical...
... pickup. Specified Instrument Value Connection 3,000 ± 30 Hz Speaker Terminal (Load resistance: 6 ohms) TAPE MECHANISM Tape Motor - 10 - Figure 10-1 (B3)x2 ø2.6x6mm Stop Washer (B1)x1 Shaft (B4)x1 ADJUSTMENT Pickup Unit Gear (B2)x1 CD Mechanism Figure 10-2 MECHANISM SECTION...Tape Speed Test Tape Normal MTT-111 speed Adjusting Point Variable Resistor in motor Figure 10-3 Bend the hooks (A1) x 5 pcs., to remove the loading motor (See Fig. 10-1) 1. CD-E700/CD-E77 CD MECHANISM SECTION Perform steps 1, 2, 3, 10, 11,12 and 13 of connector so as to protect the optical...
Service Manual
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TUNER SECTION fL: Low-range frequency fH: High-range frequency • AM IF/RF Signal generator: 400 Hz, 30%, AM modulated Test Stage Frequency Frequency Setting/ Instrument Display Adjusting Connection Parts AM IF 450 kHz 1,720 kHz T351 *1 AM Band - Input: Antenna Output: TP301 *2. Input: Antenna Output: Speaker terminal • FM IF Signal generator: 10.7 MHz, FM modulated Test Stage Frequency Frequency Display Setting/ Instrument Adjusting Connection Point IF 10.7 MHz 98 MHz T302 *1 (Turn the core of each disc can be display when...
TUNER SECTION fL: Low-range frequency fH: High-range frequency • AM IF/RF Signal generator: 400 Hz, 30%, AM modulated Test Stage Frequency Frequency Setting/ Instrument Display Adjusting Connection Parts AM IF 450 kHz 1,720 kHz T351 *1 AM Band - Input: Antenna Output: TP301 *2. Input: Antenna Output: Speaker terminal • FM IF Signal generator: 10.7 MHz, FM modulated Test Stage Frequency Frequency Display Setting/ Instrument Adjusting Connection Point IF 10.7 MHz 98 MHz T302 *1 (Turn the core of each disc can be display when...
Service Manual
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... - CD TEST OPEN/CLOSE operation is input into PLAY key, track number can be in STOP mode. key input. Last memory BAL - STOP - 12 - Laser ON. OFF To cancel : Power OFF key input. STOP Sliding the PICKUP with button must only be set c) Tracking balance d) Tracking Gain f) Focus Gain g) RF level shift = "FOFF_XX" = "TOFF_XX" = "TBAL_XX" = "TGAN_XX" = "FGAN_XX" = "RFLS_XX" VOL - key input. key input. Adjustment result automatically will display...
... - CD TEST OPEN/CLOSE operation is input into PLAY key, track number can be in STOP mode. key input. Last memory BAL - STOP - 12 - Laser ON. OFF To cancel : Power OFF key input. STOP Sliding the PICKUP with button must only be set c) Tracking balance d) Tracking Gain f) Focus Gain g) RF level shift = "FOFF_XX" = "TOFF_XX" = "TBAL_XX" = "TGAN_XX" = "FGAN_XX" = "RFLS_XX" VOL - key input. key input. Adjustment result automatically will display...
Service Manual
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... 5 th times. CD Changer Mechanism Error. CD-E700/CD-E77 Standard Specification of 'ER-CD**' display 'ER-CD**' will only be display when CD changer mechanism error had occured, it can be check by pressing 'POWER', 'VIDEO' and 'XBASS' key twice. Unplug the AC cord and the unit is condition when irregular process occur on power supply line. Press the Power On Button to be taken after set tapering/parts replacement. 1. PLL...
... 5 th times. CD Changer Mechanism Error. CD-E700/CD-E77 Standard Specification of 'ER-CD**' display 'ER-CD**' will only be display when CD changer mechanism error had occured, it can be check by pressing 'POWER', 'VIDEO' and 'XBASS' key twice. Unplug the AC cord and the unit is condition when irregular process occur on power supply line. Press the Power On Button to be taken after set tapering/parts replacement. 1. PLL...
Service Manual
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... performance of the set . In the main section, a tape is used. (CH), (TH), (RH), (UJ): Temperature compensation (ML): Mylar type (P.P.): Polypropylene type • Schematic diagram and Wiring Side of P.W.Board for this model are subject to replace these parts with "Fusible" is a fuse type. • Capacitor: To indicate the unit of capacitor, a symbol P is used : the symbol K means 1000 ohm and the...
... performance of the set . In the main section, a tape is used. (CH), (TH), (RH), (UJ): Temperature compensation (ML): Mylar type (P.P.): Polypropylene type • Schematic diagram and Wiring Side of P.W.Board for this model are subject to replace these parts with "Fusible" is a fuse type. • Capacitor: To indicate the unit of capacitor, a symbol P is used : the symbol K means 1000 ohm and the...
Service Manual
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DET. CD-E700/CD-E77 +B4 B T Q601 Q602 REC/PLAY T1/T2 BIAS FL701 DISPLAY 1 5 12 13 14 19 27 41 45 Q705 +B5 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 40 VDD 70 39 - - 85 79 VLOAD 86 91 92 IC701 IX0553AW SYSTEM CONTROL MICROCOMPUTER 38 37...
DET. CD-E700/CD-E77 +B4 B T Q601 Q602 REC/PLAY T1/T2 BIAS FL701 DISPLAY 1 5 12 13 14 19 27 41 45 Q705 +B5 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 40 VDD 70 39 - - 85 79 VLOAD 86 91 92 IC701 IX0553AW SYSTEM CONTROL MICROCOMPUTER 38 37...
Service Manual
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... play button. 3. Before attempting any excess fluid with a soft cloth. CD optical pickup Lens cleaner disc Parts code UDSKA0004AFZZ HOW TO USE 1. Place the CD cleaner disc onto the CD disc tray with the bare hand. 1. Turn the power off any adjustment make certain that the lens is clean. Cleaner disc When a CD cannot be effective for about 20 seconds and the CD player will hear music for 30-50 operations...
... play button. 3. Before attempting any excess fluid with a soft cloth. CD optical pickup Lens cleaner disc Parts code UDSKA0004AFZZ HOW TO USE 1. Place the CD cleaner disc onto the CD disc tray with the bare hand. 1. Turn the power off any adjustment make certain that the lens is clean. Cleaner disc When a CD cannot be effective for about 20 seconds and the CD player will hear music for 30-50 operations...
Service Manual
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... for TE signal. Digital system power terminal. To be connected to 0 V. Must be connected to 0 V. RFVDD Input - D/A output. Internal signal monitor terminal 1. ADAVDD Input - RF power terminal. LPF capacitor connection terminal for rough servo phase control. Power terminal for Left channel. In this unit, the terminal with asterisk mark (*) is (open . Input Output Input Input Output - General-purpose I/O terminal 5. TIN1 Input - TE Output ZHI RFMON Output ZHI JITTC - - GND for servo A/D, D/A. CD-E700/CD-E77 FUNCTION TABLE...
... for TE signal. Digital system power terminal. To be connected to 0 V. Must be connected to 0 V. RFVDD Input - D/A output. Internal signal monitor terminal 1. ADAVDD Input - RF power terminal. LPF capacitor connection terminal for rough servo phase control. Power terminal for Left channel. In this unit, the terminal with asterisk mark (*) is (open . Input Output Input Input Output - General-purpose I/O terminal 5. TIN1 Input - TE Output ZHI RFMON Output ZHI JITTC - - GND for servo A/D, D/A. CD-E700/CD-E77 FUNCTION TABLE...
Service Manual
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... Output - Must be set it as the input terminal and open drain output.) *WRQ Output H Interruption signal output. *RES Input - DATA Output L Left/Right channel data output port. VCO frequency range adjustment port. - LASER power detected signal input port. 80 LDD Output - FSX/16MIN Input/Output Input 7.35 kHz Synchronization signal monitor port. Chip enable signal input port. Internal VCO control phase comparator output port 2. Oscillator Connected for internal VCO. Oscillator C2F Output H C2 FLAG monitor port. Chip reset signal input...
... Output - Must be set it as the input terminal and open drain output.) *WRQ Output H Interruption signal output. *RES Input - DATA Output L Left/Right channel data output port. VCO frequency range adjustment port. - LASER power detected signal input port. 80 LDD Output - FSX/16MIN Input/Output Input 7.35 kHz Synchronization signal monitor port. Chip enable signal input port. Internal VCO control phase comparator output port 2. Oscillator Connected for internal VCO. Oscillator C2F Output H C2 FLAG monitor port. Chip reset signal input...
Service Manual
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... change. 6 P33 T_REC/PLY Output Tape REC/PLAY change. 7 P32 CD_RESOUT Output CD DSP reset. 8 P31 CD WRQ Input CD write read request.. 9* P30 10 RESET NO USE RESET Input Input Connect to GND. 28 ANI5 29 ANI4 PLAY2/FPA/FPB SW PROTECT Input Input Tape F.P A/B SW & PLAY 2 SW. Main clock. 13 VPP/IC VPP/IC - SW 27* ANI6 NO USE Input Connect to GND. Power abnormal detect. 30 31-33 ANI3 ANI2-ANI0 LVL_DET KEY 2-KEY 0 Input Input Speaker output level...
... change. 6 P33 T_REC/PLY Output Tape REC/PLAY change. 7 P32 CD_RESOUT Output CD DSP reset. 8 P31 CD WRQ Input CD write read request.. 9* P30 10 RESET NO USE RESET Input Input Connect to GND. 28 ANI5 29 ANI4 PLAY2/FPA/FPB SW PROTECT Input Input Tape F.P A/B SW & PLAY 2 SW. Main clock. 13 VPP/IC VPP/IC - SW 27* ANI6 NO USE Input Connect to GND. Power abnormal detect. 30 31-33 ANI3 ANI2-ANI0 LVL_DET KEY 2-KEY 0 Input Input Speaker output level...
Service Manual
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...; CZ Square type (without lead wire) VR J .. No. "HOW TO ORDER REPLACEMENT PARTS" To have your nearest SHARP Parts Distributor to replace parts with " " are important for other parts, the resistors are ±5% carbon-film type. For U.S.A. MODEL NUMBER 2. PARTS GUIDE CD-E700/CD-E77 MINI COMPONENT SYSTEM MODEL CD-E700 CD-E700 Mini Component System consisting of the set . Be sure to order. 3. The 13th character represents error. ("J" ±5%, "F" ±1%, "D" ±0.5%.) If there...
...; CZ Square type (without lead wire) VR J .. No. "HOW TO ORDER REPLACEMENT PARTS" To have your nearest SHARP Parts Distributor to replace parts with " " are important for other parts, the resistors are ±5% carbon-film type. For U.S.A. MODEL NUMBER 2. PARTS GUIDE CD-E700/CD-E77 MINI COMPONENT SYSTEM MODEL CD-E700 CD-E700 Mini Component System consisting of the set . Be sure to order. 3. The 13th character represents error. ("J" ±5%, "F" ±1%, "D" ±0.5%.) If there...
Service Manual
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... Flat Wire,5Pin AC Jack,Video/AUX AK Jack,Headphones AF Switch,Push Type [Jog Volume] AC Lug BB Motor with Chassis [Spindle] AP Motor with Gear [Sled] AL Motor with Gear [Sled] AD Switch,Leaf Type [Pickup In] CABINET PARTS 201 201 201- 1 201- 2 201- 2 201- 3 201- 3 201- 4 201- 5 201- 6 201- 7 201- 7 92LCAB4896AASY J 92LCAB4957AASY J ---- AF Button,Power/Tuning [CD-E700] AF Button,Power/Tuning [CD-E77] - 4 - PART CODE PRICE RANK...
... Flat Wire,5Pin AC Jack,Video/AUX AK Jack,Headphones AF Switch,Push Type [Jog Volume] AC Lug BB Motor with Chassis [Spindle] AP Motor with Gear [Sled] AL Motor with Gear [Sled] AD Switch,Leaf Type [Pickup In] CABINET PARTS 201 201 201- 1 201- 2 201- 2 201- 3 201- 3 201- 4 201- 5 201- 6 201- 7 201- 7 92LCAB4896AASY J 92LCAB4957AASY J ---- AF Button,Power/Tuning [CD-E700] AF Button,Power/Tuning [CD-E77] - 4 - PART CODE PRICE RANK...
Service Manual
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... Button,Open/Close [CD-E700] AE Button,Open/Close [CD-E77] AG Button,Operation A AK Button,Operation B AL Button,Function AE Button,X-BASS/Equalizer AC Cover,Sensor AB Cover,Timer LED AB Cassette Spring,Tape 1 AB Cassette Spring,Tape 2 AD Damper AD Badge,SHARP AN Side Panel Ass'y,Left [CD-E700] AN Side Panel Ass'y,Left [CD-E77] -- Main/Display/Headphones/LED A/LED B (Combined Ass'y) -- Tape Mechanism OTHER SERVICE PART UDSKA0004AFZZ J AZ CD Pickup Lens Cleaner - 5 - CD-E700/CD-E77...
... Button,Open/Close [CD-E700] AE Button,Open/Close [CD-E77] AG Button,Operation A AK Button,Operation B AL Button,Function AE Button,X-BASS/Equalizer AC Cover,Sensor AB Cover,Timer LED AB Cassette Spring,Tape 1 AB Cassette Spring,Tape 2 AD Damper AD Badge,SHARP AN Side Panel Ass'y,Left [CD-E700] AN Side Panel Ass'y,Left [CD-E77] -- Main/Display/Headphones/LED A/LED B (Combined Ass'y) -- Tape Mechanism OTHER SERVICE PART UDSKA0004AFZZ J AZ CD Pickup Lens Cleaner - 5 - CD-E700/CD-E77...
Service Manual
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... switches and knobs Tape Mechanism STOP SPEAKER CP-E700/CP-E77 SSAKH0053AWZZ Polyethylene Bag, Speaker TOP TOP REAR SIDE SIDE FRONT SPAKA0416AWZZ Packing Add. TOP FRONT BOTTOM Energy Star A Label Featurel Label [Tape1] Featurel Label [Tape2] 92LBAG1460C1 Polyethylene Bag, Accessories AM/FM Loop Antenna Operation Manual Quick Guide Remote Control BOTTOM B A B REAR REAR SPAKC1547AWZZ [CD-E700] SPAKC1554AWZZ [CD-E77] Packing Case Not Replacement Item COPYRIGHT © 2002 BY SHARP...
... switches and knobs Tape Mechanism STOP SPEAKER CP-E700/CP-E77 SSAKH0053AWZZ Polyethylene Bag, Speaker TOP TOP REAR SIDE SIDE FRONT SPAKA0416AWZZ Packing Add. TOP FRONT BOTTOM Energy Star A Label Featurel Label [Tape1] Featurel Label [Tape2] 92LBAG1460C1 Polyethylene Bag, Accessories AM/FM Loop Antenna Operation Manual Quick Guide Remote Control BOTTOM B A B REAR REAR SPAKC1547AWZZ [CD-E700] SPAKC1554AWZZ [CD-E77] Packing Case Not Replacement Item COPYRIGHT © 2002 BY SHARP...