Related Manuals for Aiwa AZG-4
Summary of Contents for Aiwa AZG-4
- Page 1 AZG-4 English SERVICE MANUAL MD MECHANISM BASIC MD MECHANISM : KMS-260B TYPE S/M Code No. 09-001-341-2N2...
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Page 2: Protection Of Eyes From Laser Beam During Servicing
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs laser. Therefore, be sure to follow carefully the CAUTION instructions below when servicing. Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous WARNING! radiation exposure. -
Page 3: Electrical Main Parts List
ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C219 87-016-296-080 C-CAP,TN 22-4SV(A) C220 87-010-662-080 C-CAP,E 22-6.3 87-A20-707-010 C-IC,CXA2523AR C221 87-010-831-080 C-CAP,U,0.1-16F 87-A20-708-010 C-IC,CXD2652AR C222 87-016-444-080 C-CAP,TN 47-10 F95E 87-A20-709-040 C-IC,BD7910FV C223 87-010-831-080 C-CAP,U,0.1-16F 8A-ZG4-601-010 C-IC,CXP81952M-552R... - Page 4 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C521 87-010-831-080 C-CAP,U,0.1-16F L616 87-A50-163-080 C-COIL,ZBFS5101-PT C522 87-010-661-080 C-CAP,E 10-16 R423 87-025-564-080 C-RES,U M/F 47K D C523 87-010-662-080 C-CAP,E 22-6.3 R424 87-025-564-080 C-RES,U M/F 47K D C524 87-010-662-080 C-CAP,E 22-6.3 R425 87-022-583-080...
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Page 5: Transistor Illustration
CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure Resistor Code Value of resistor Chip resistor Dimensions (mm) Symbol Wattage Type Tolerance Resistor Code Form 1/16W 1005 0.35 1/16W 1608 0.45 1/10W 2125 1.25 0.45 1/8W 3216 0.55 TRANSISTOR ILLUSTRATION 2SA1588 2SC4116 RN1305... - Page 6 IC BLOCK DIAGRAM IC, BD7910FV IC, BA5970FP VREGIN REGNF REGGND REGOUT REGSW REGDRV VOS2 SVCC PDGND VOS1 VOD1 MUTE N.C. VOD2 N.C. N.C. IC, LA5638H IC, AK4519VF...
- Page 7 BLOCK DIAGRAM MD C.B IC301 MSM51V4400D-70 IC600 LA5638H...
- Page 8 WIRING-1 (MD) MD C.B (COMPONENT SIDE) MD C.B (CONDUCTOR SIDE) TO MAIN UNIT TO MAIN UNIT...
- Page 9 SCHEMATIC DIAGRAM-1 (MD)
- Page 10 WIRING-2 (MECHA/LOAD) SCHEMATIC DIAGRAM-2 (MECHA/LOAD) TO MD C.B CN400 TO MD C.B CN401...
- Page 11 WAVE FORM IC100 Pin ° (RF) VOLT/DIV: 0.5V TIME/DIV: 1mS CN201 Pin 1 (HEAD-B) VOLT/DIV: 10V CN201 Pin 4 (HEAD-A) TIME/DIV: 0.2µS...
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Page 12: Test Mode
TEST MODE 1. Starting up the MD Test Mode While pressing the MD function button, insert the AC plug into the outlet. Notes: 1) Mechanical abnormalities are ignored while the test mode is starting up. If any abnormality occurs, disconnect the plug immediately. During test mode operation, playback and recording are normally not possible. -
Page 13: Laser Power
9. About Indication The state of circuit, selected disk or switch can be checked on the display. Function Indication pict indication When pict lights When pict glights off Laser power LA READ-1/2-WRITET T-BASS Displayed using the three-step level meter Disk type SELECT GRV TIME MARK MO disk (for recording and playback) -
Page 14: Electric Adjustment
ELECTRIC ADJUSTMENT All the MD blocks are adjusted and checked in the test mode. If “No Adjust” is displayed, perform the adjustments of 1 to 3. 1. Temperature Compensation Adjustment Normally, do not perform the temperature compensation adjustment. If the adjustment value is extensively different, perform the adjustment as given below in a suitable environment for measuring the correct temperature near the unit. - Page 15 Press the DISPLAY once again. Confirm that the values of “Gf**t##s33” are within the range shown below. (hexadecimal) f “**” ...... 20 to 40 t “##” ...... 15 to 35 s “33” ....15 to 35 FOCUS GAIN TRACKING GAIN SLED GAIN After adjustment, press the STOP button to return the display to “ALL SV OFF”.
- Page 16 5. UTCO (User TOC) Deleting Procedure If “UTCO ERROR” or other message is displayed when inserting recorded disk and the UTCO needs to be deleted, follow this procedure. Insert the disk whose UTOC is to be deleted. Use the B.SKIP button and F.SKIP button to move the pickup to the center of the disk. Press the MD MODE button to display “SELECT GRV”.
- Page 17 IC DESCRIPTION IC, CXA2523AR Pin No. Pin Name Description Input “I” RF signal converted to I-V. Input “J” RF signal converted to I-V. Output voltage for VCC/2. Input current for main beam servo signal A. Input current for main beam servo signal B. Input currentt for main beam servo signal C.
- Page 18 Pin No. Pin Name Description COMPP User comparator non-inverted input pin. ADDC Capacitor connection pin for ADIP amplifier on return circuit. Not used. Non-inverted input pin for user operational amplifier. RF amplifier output pin. Check point for eye pattern. MORFI Input pin where Groove RF signal is AC coupled.
- Page 19 IC, CXD2652AR Pin No. Pin Name Description MNT0 MNT1 Monitor output terminal. MNT2 MNT3 SWDT Microprocessor serial interface data input. SCLK Microprocessor serial interface shift clock input. XLAT Microprocessor serial interface latch input. Latched at falling down edge. SRDT Microprocessor serial interface data output. The terminal which outputs internal status in accordance with the address of the SENS microprocessor serial interface.
- Page 20 Pin No. Pin Name Description Address output to external DRAM. Not used. DVSS — Digital GND. External DRAM output enable. ________ XCAS CAS output to external DRAM. Address output to external DRAM. ________ XRAS RAS output to external DRAM. Write enable for external DRAM. Data bus for external DRAM.
- Page 21 Pin No. Pin Name Description DCHG Connected to the low impedance power supply. Error signal input to the laser digital APC. ADFG ADIP2 binary-converted FM signal (22.05±1 kHz) input. F0CNT Current source setting output terminal to CXA2523. XLRF Latch output for CXA2523 control. Latched at rise-up. CKRF Shift clock output for CXA2523 control.
- Page 22 IC, CXP81952M-552R Pin No. Pin Name Description MCAS — MRAS — Not used. — AMUTE Audio mute signal output. Serial clock output for EEPROM interface. Serial data output for EEPROM interface. Serial data input for EEPROM interface. EEPROM chip select signal output. —...
- Page 23 Pin No. Pin Name Description ARDY READY input signal for system control interface. Serial data input for system control interface. SOUT Serial data output for system control interface. ACLK Serial clock output for system control interface. XLAT Latch signal output for CXD2652 interface. XRST CXD2652 reset signal output.
- Page 24 Pin No. Pin Name Description — Not used. Connected to VSS. Open. — Connected to VSS. — Connected to VDD. — — Not used. DRVMUTE BA5970FP mute signal output. — — Not used. — — RECP Laser power select signal output. Record data output enable signal output.
- Page 25 MECHANISM PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 87-ZG9-202-210 HLDR,SHLD TOP 8A-ZG4-611-010 PWB,FLEX 21P AZG-4 87-ZG9-604-010 FF-CABLE, 5P 1.25 100MM 87-ZG9-603-010 FF-CABLE,8P 1.0 120MM 87-ZG9-209-010 S-SCREW,MD TF 87-ZG9-208-010 S-SCREW,MD T 87-067-020-010 SCREW, VTT+3-4 CUSH-R,MECHA RE...
- Page 26 MECHANISM EXPLODED VIEW 1/1 (7ZG8) MECHANISM PARTS LIST 1/1 (7ZG8) REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 87-ZG8-220-210 PLATE ASSY,LATCH 87-ZG8-209-310 PLATE ASSY,SLIDE L 87-ZG8-259-110 SPR-T,LATCH 87-A90-605-210 HEAD,OWH RF325-74A<B2> 87-ZG8-230-210 LEVER,LATCH(*) 87-A91-539-010 HEAD,OWH RM-21E<B1> 87-ZG8-224-110 SPR-E,LATCH 87-A90-672-010 MOT,M25E-4...
- Page 27 MECHANISM EXPLODED VIEW 1/1 (ZZG-D) MECHANISM PARTS LIST 1/1 (ZZG-D) REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION P.C.B 87-ZG9-603-010 FF-CABLE, 8P 1.0 120MM 87-A91-490-010 MOT,BCD3B04 87-ZG3-216-010 SPR-P,RACK 8Z-ZGD-206-010 GEAR,LEAD 87-ZG3-211-010 SHAFT,GUIDE 87-341-035-210 SCREW,UT1+2-6 87-A91-444-010 PICKUP,KMS-260B 87-067-393-010 SCREW +1.4-1.4 8Z-ZGD-207-010...
- Page 28 REFERENCE NAME LIST ELECTRICAL SECTION MECHANICAL SECTION DESCRIPTION REFERENCE NAME DESCRIPTION REFERENCE NAME ANTENNAS ADHESHIVE SHEET ADHESHIVE CHIP AZIMUTH C-CAP CAP, CHIP BAR-ANT BAR-ANTENNA C-CAP TN CAP, CHIP TANTALUM BATTERY C-COIL COIL, CHIP BATT BATTERY C-DI DIODE, CHIP BEARING C-DIODE DIODE, CHIP BUTTON C-FET...