Akai QX-D3305 Service Manual

Akai QX-D3305 Service Manual

Cd micro system

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CONTENTS
Performance Specifications .................................................................................................................... 1
Electrical Parts List ................................................................................................................................ 4
Printed Circuit Boards ........................................................................................................................... 13
Wiring Diagram .................................................................................................................................... 21
Schematic Diagrams ............................................................................................................................ 23
Alignment Set-up Procedurecs .............................................................................................................. 29
Equipment Connection Diagrams ........................................................................................................... 30
Voltage Chart ....................................................................................................................................... 32
IC Lead Identification and Internal Diagrams ........................................................................................... 35
Block Diagrams ................................................................................................................................... 39
Exploded Drawing Parts List ................................................................................................................. 42
Exploded Drawings ............................................................................................................................... 46

CD MICRO SYSTEM

QX-D3305
Page
Many electrical and mechanical parts in this chassis have special safety characteristics.
These safety characteristics often pass unnoticed and the protection afforded by them cannot
necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
Replacement parts that have these special safety characteristics are identified in this manual
and its supplements; electrical components having such features are identified by
schematic diagram and the parts list.
Before replacing any of these components, read the parts list in this manual carefully.
The use of substitute replacement parts that do not have the same safety characteristics as
specified in the parts list may create shock, fire or other hazards.
PRODUCT SAFETY NOTICE
in the

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Summary of Contents for Akai QX-D3305

  • Page 1: Table Of Contents

    CD MICRO SYSTEM QX-D3305 CONTENTS PRODUCT SAFETY NOTICE Page Performance Specifications ........................1 Electrical Parts List ..........................4 Many electrical and mechanical parts in this chassis have special safety characteristics. Printed Circuit Boards ........................... 13 These safety characteristics often pass unnoticed and the protection afforded by them cannot Wiring Diagram ............................
  • Page 2: Performance Specifications

    PERFORMANCE SPECIFICATIONS PERFORMANCE SPECIFICATIONS - CONTINUED AM SECTION, AMPLITUDE MODULATION GENERAL TEST CONDITION TEST ITEMS UNIT NOMINAL LIMIT 1. Tuning Range 522-1620 2. I. F. ±3 Power Supply : AC 230V 50Hz 3. S/N 10mV/m 0.999MHz Output Load : 4 ohm non-reactive 4.
  • Page 3: Electrical Parts List

    PERFORMANCE SPECIFICATIONS - CONTINUED ELECTRICAL PARTS LIST FM SECTION, FREQUENCY MODULATION Ref. No. Description Mfr's Part No. Qty. TEST ITEMS UNIT NOMINAL LIMIT 1. Tuning Range 87.5-108 TUNER PCB PCB CD6606-01-01 (94V0) 033-006606-600 2. I. F. 10.7 ±0.3 CASSETTE & CD PCB PCB CD6606-01-02 (94V0) 033-006606-600 3.
  • Page 4 ELECTRICAL PARTS LIST - CONTINUED ELECTRICAL PARTS LIST - CONTINUED Ref. No. Description Mfr's Part No. Qty. Ref. No. Description Mfr's Part No. Qty. CERAMIC CAP 56 pF/50V +-10% 003-056010-050 R97,98 *CdF RESISTOR 10 Kohm 001-010351-016 CERAMIC CAP 100 pF/50V +-5% (NPO) 003-410150-050 R91,92 *CdF RESISTOR 220 ohm...
  • Page 5 ELECTRICAL PARTS LIST - CONTINUED ELECTRICAL PARTS LIST - CONTINUED Ref. No. Description Mfr's Part No. Qty. Ref. No. Description Mfr's Part No. Qty. CN16 CONN PIN 8 PINS (3.5+53+3.5) PITCH:2mm 050-080060-200 R304,334,379 *CdF RESISTOR 2.2 Kohm 001-022251-016 AWG26#UL2651 FLAT CABLE GREY COLOR R388 *CdF RESISTOR 22 Kohm 001-022351-016...
  • Page 6 ELECTRICAL PARTS LIST - CONTINUED ELECTRICAL PARTS LIST - CONTINUED Ref. No. Description Mfr's Part No. Qty. Ref. No. Description Mfr's Part No. Qty. IC309 I.C. L7806CV VOLTAGE REGULATOR 010-727806-000 C202,204 @ MYLAR CAP 0.0015 uF/100V +-10% 004-015210-100 IC502 ICELEVOL-078STEP TC9260P 010-849260-000 C201,212 @ MYLAR CAP 0.0022 uF/100V +-5%...
  • Page 7 ELECTRICAL PARTS LIST - CONTINUED ELECTRICAL PARTS LIST - CONTINUED Ref. No. Description Mfr's Part No. Qty. Ref. No. Description Mfr's Part No. Qty. DIODE INDUCTORS D251 ZENER WZ-033, 3.3V, 1/2W 011-010033-120 L106 IFT 1A784R MW RF, 10mm, BLACK 012-007840-010 TUNER SECTION T103 *CdF IFT 4A-224R, 10mm...
  • Page 8: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS TUNER PCB CD6606-01-01 CONNECT PCB MOTOR & LEAF SW. CONNECT PCB DOOR SW. PCB CD6606-01-05 CD6606-01-06 CD6606-01-04 REMARKS: PCB Part No.: 033-006606-600 of this model are assembled and aligned in FULL SET and are supplied in FULL SET for serving.
  • Page 9 CASSETTE & CD PCB CD6606-01-02...
  • Page 10 POWER PCB CD6606-01-03...
  • Page 11 KEY & DISPLAY PCB RECTIFIER PCB CD6606-01-08 CD6606-01-09...
  • Page 12: Wiring Diagram

    WIRING DIAGRAM AC PLUG YELLOW YELLOW [B] POWER PCB HSG w/160mm BLK,RED,VIO, BLUE AWG26#UL1007 FM ANT. [C] RECTIFIER PCB JP WIRE AWG26#1007 3x0mm 1200mm BLACK CASS LEAF SW. CASS. MOTOR [D] KEY & DISPLAY PCB [E] CONNECT PCB HSG w/150mm BLK,BRN,RED, FFC CABLE 16 PINS L=220mm PITCH:1mm ORG AWG28#UL1007 CONN PIN 5 PINS PITCH...
  • Page 13: Schematic Diagrams

    SCHEMATIC DIAGRAMS TUNER & POWER SECTION NOTES: 1. All resistance values are indicated in “ohms” (k=1000 ohms. M=1000 kohms). 2. All capacitance values are indicated in “µF” (p=10 µF).
  • Page 14 CASSETTE SECTION IC201 D3308/LS22241 NOTES: 1. All resistance values are indicated in “ohms” (k=1000 ohms. M=1000 kohms). 2. All capacitance values are indicated in “µF” (p=10 µF).
  • Page 15 CD & DISPLAY SECTION NOTES: 1. All resistance values are indicated in “ohms” (k=1000 ohms. M=1000 kohms). 2. All capacitance values are indicated in “µF” (p=10 µF).
  • Page 16: Alignment Set-Up Procedurecs

    ALIGNMENT SET-UP PROCEDURES EQUIPMENT CONNECTION DIAGRAMS TUNER SECTION AM SECTION T103 TC102 IC101 IC101 L102 test point L101 C123 C123 test point L106 TC101 T102 CD6606-01-01 CD6606-01-01 1. AM IF Adjustment 4. FM Frequency Range Adjustment Test point: IC101 (TA2149BN) 17 PIN Test point: C123 Adjustment location: T103 Adjustment location: L101...
  • Page 17: Voltage Chart

    VOLTAGE CHART FM SECTION THE MEASURED VALUE IS DC VOLTAGE UNIT: V FM ANT TUNER SECTION TEST CONDITION: SET AM/FM TUNER ONE FREQUENCY IC101 (TA2149BN) IC101 PIN'S NUMBER 1.09 5.47 5.50 4.82 5.50 C123 0.80 0.21 4.83 4.99 4.45 5.02 PIN'S NUMBER 0.28 4.92...
  • Page 18 VOLTAGE CHART - CONTINUED VOLTAGE CHART - CONTINUED IC502 (TC9260P) IC3 (TA2092N) PIN'S NUMBER PIN'S NUMBER 2.43 2.43 2.43 2.43 2.43 4.76 CD PLAY 2.85 5.93 2.46 2.05 2.12 2.65 2.09 PIN'S NUMBER PIN'S NUMBER 4.76 2.43 2.43 2.43 2.43 2.43 5.59 CD PLAY...
  • Page 19: Ic Lead Identification And Internal Diagrams

    IC LEAD IDENTIFICATION AND INTERNAL DIAGRAMS IC501 BU452BC IC3 TA2092N IC309 L7806CV SERIES INPUT OUTPUT PASS ELEMENT PW GND PW GND LEVEL BINARY TO 1 of 4 OUT(-)1 CONVER CURRENT OUT(-)4 DECODER WITH INHIBIT PROTECTION GENERATOR -TER PV CC1 PV CC4 STARTING ERROR REFERENCE...
  • Page 20 IC1 TC94A09F-202 IC2 TA2153FN 36pF 10KΩ 50KΩ 15KΩ V REF SBAD 15KΩ 30KΩ Clock gene. XV SS 10KΩ 60KΩ 20KΩ Data 10KΩ V REF slicer 10pF SLCO CD clock XV DD TMAX 2VRO ZDET SERVO DV SR 20KΩ 3 STATE 20KΩ...
  • Page 21: Block Diagrams

    BLOCK DIAGRAMS CD & DISPLAY SECTION TUNER & POWER AMP. SECTION...
  • Page 22: Exploded Drawing Parts List

    EXPLODED DRAWING PARTS LIST CASSETTE SECTION Description Ref. No. Mfr's Part No. Qty. MAIN UNIT PRE AMP. CD DOOR LENS, MOLD TRANS.BLUE(A-30188A) (SAN), 500-660806-xxx IC201 LS22241/D3308 CAV:1, w/PNT 2 8 6 3 7 REMOTE LENS, MOLD TRANS.BLUE(A-30188A) (SAN) CAV:1 500-660826-000 CD DOOR, MOLDED COLOR (ABS) CAV:1, w/PNT, 500-660803-xxx TA-ROUT...
  • Page 23 EXPLODED DRAWING PARTS LIST - CONTINUED EXPLODED DRAWING PARTS LIST - CONTINUED Description Description Ref. No. Mfr's Part No. Qty. Ref. No. Mfr's Part No. Qty. CONNECT PCB CD6606-01-05 033-006606-600 SCREW ST2x12mm KAB BLACK ZINC 4/CD DOOR COVER 720-020200-121 DOOR SW. PCB CD6606-01-04 033-006606-600 SCREW ST2x8mm, PB BRASS BASED 1/TN-9 720-050200-080...
  • Page 24: Exploded Drawings

    EXPLODED DRAWING PARTS LIST - CONTINUED EXPLODED DRAWINGS SPEAKER Description Ref. No. Mfr's Part No. Qty. SPK BOX STAND, MOLD COLOR (HIPS) CAV:2, w/SPY 509-227022-xxx SPEAKER PLASTIC FOOT, MOLD BROWN (PMS730C), 509-227047-000 (HIPS) CAV:4 SPK BOX (5W), 9mm PARTICLE BOARD, 660-660624-000 S:W150xD163xH210mm, WOODEN PVC (TC-F1021) (F700-027362-000) SPEAKER TUBE, MOLDED BLACK,...
  • Page 25 MAIN UNIT...
  • Page 26 NOTES: March, 2004 Printed in China 808-66085W-010...

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