Sony DXA-WZ5 Service Manual

Stereo cassette deck amp

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SERVICE MANUAL
Ver 1.0 2003. 04
• DXA-WZ5 is deck and amplifier
section in MHC-WZ5.
Amplifier section
European model:
DIN power output (rated): 75 + 75 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
100 + 100 watts (6 ohms
at 1 kHz, 10% THD)
Music power output (reference):
200 + 200 watts (6 ohms
at
1 kHz, 10% THD)
Except for European model:
The following measured at AC 120, 220, 240 V AC,
50/60 Hz (Australian model at 240 V AC, 50/60 Hz)
DIN power output (rated): 100 + 100 watts (6 ohms
at
1 kHz, DIN)
Continuous RMS power output (reference):
140 + 140 watts (6 ohms
at 1 kHz, 10% THD)
Inputs
MD (VIDEO) IN (phono jacks):
Voltage 450 mV/250 mV,
impedance 47 kilohms
Sony Corporation
9-877-330-01
2003D1600-1
Home Audio Company
© 2003.04
Published by Sony Engineering Corporation
DXA-WZ5
Tape deck
Model Name Using Similar Mechanism
Section
Tape Transport Mechanism Type
SPECIFICATIONS
Outputs
PHONES (stereo mini jack):
Accepts headphones of
8 ohms or more
MD (VIDEO) OUT (phono jacks):
Voltage 250 mV,
impedance 1 kilohms
FRONT SPEAKER:
Use only the supplied
speaker SS-WZ5/WZ5E
SUB WOOFER (Except for European model):
Voltage 320mV,
impedance 1 kilohms
Tape deck section
Recording system
4-track 2-channel, stereo
Frequency response
50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
STEREO CASSETTE DECK AMPLIFIER
AEP Model
UK Model
E Model
Australian Model
NEW
CWM43RR23
General
Power requirements
European model:
230 V AC, 50/60 Hz
Australian model:
230 – 240 V AC, 50/60 Hz
TW model:
120 V AC, 50/60 Hz
Other models:
120 V, 220 V or
230 – 240 V AC, 50/60 Hz
Adjustable with voltage
selector
Power consumption
European model:
150 watts
0.3 watts (at the Power
Saving Mode)
Except for European model:
180 watts
Dimensions (w/h/d)
Approx. 255 × 135 ×
Amplifier/Tape deck:
330 mm
Mass
Amplifier/Tape deck
European model:
Approx. 6.0 kg
Except for European model:
Approx. 6.3 kg
Design and specifications are subject to change
without notice.

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Summary of Contents for Sony DXA-WZ5

  • Page 1 DXA-WZ5 SERVICE MANUAL AEP Model UK Model Ver 1.0 2003. 04 E Model Australian Model • DXA-WZ5 is deck and amplifier section in MHC-WZ5. Tape deck Model Name Using Similar Mechanism Section Tape Transport Mechanism Type CWM43RR23 SPECIFICATIONS Amplifier section...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS In case of repairing, please bring the entire system set([HCD-WZ5, 1. GENERAL ·········································································· 3 DXA-WZ5],except for the speaker) to the service station. Unleaded solder 2. DISASSEMBLY ························································· 5 Boards requiring use of unleaded solder are printed with the lead- 2-1.
  • Page 3: General

    DXA-WZ5 SECTION 1 GENERAL This section is extracted from instruction manual. Main unit Amplifier Tape deck ALPHABETICAL ORDER A – L Deck A wh Deck B wd BUTTON DESCRIPTIONS A Z (eject) wg (15) Z B (eject) wf (15)
  • Page 4: Hooking Up The System

    DXA-WZ5 Getting Started Hooking up the system Perform the following procedures 1 to 5 to hook up your system using the supplied cords and accessories. Australian model is used for illustration purpose. FM lead antenna AM loop antenna CD player/...
  • Page 5: Disassembly

    DXA-WZ5 SECTION 2 DISASSEMBLY • The equipment can be removed using the following procedure. CASE SWITCHING POWER, FRONT PANEL ASSY DC FAN, BACK PANEL TAPE MECHANISM DECK MAIN BOARD (CWM43RR23) LID (TC) ASSY, AMP BOARD HOLDER (A) ASSY, HOLDER (B) ASSY Note : Follow the disassembly procedure in the numerical order given.
  • Page 6: Switching Power, Dc Fan, Back Panel

    DXA-WZ5 2-2. Switching Power, DC Fan, Back Panel q; back panel 7 two screws (+BVTP 3 × 8) 2 six screws (+BVTP 3 × 8) 9 DC fan 1 five screws 8 connector (+BVTP 3 × 8) (CN204) 3 connector...
  • Page 7: Amp Board

    DXA-WZ5 2-4. AMP Board 2 three screws (+BVTP 3 × 8) Remove the soldering. 3 AMP board 2-5. Front Panel Assy 2 wire (flat type) (13 core) 4 wire 3 screw (+BVTP 3 × 8) 6 connector 5 claw 7 connector...
  • Page 8: Tape Mechanism Deck (Cwm43Rr23)

    DXA-WZ5 2-6. Tape mechanism deck (CWM43RR23) 3 tape mechanism deck (CWM43RR23) 2 wire 1 four screws (+BVTP 2.6 × 8) 5 two screws (+BVTP 2.6 × 8) 9 lever (L) qa holder (lock) qs button (A) 7 base lock 6 four claws 8 lever (R) q;...
  • Page 9: Electrical Adjustments

    DXA-WZ5 SECTION 3 ELECTRICAL ADJUSTMENTS Mode: Playback DECK SECTION 0 dB=0.775 V test tape SPEAKER terminals (TM402) Note: Confirm each contents of this section first of all. If the results are P-4-A63J L-CH not satisfied, do the adjustment. oscilloscope (10 kHz, –10 dB)
  • Page 10: Diagrams

    DXA-WZ5 SECTION 4 DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) Note on Schematic Diagram: Note on Printed Wiring Boards: • All capacitors are in µF unless otherwise noted. pF: µµF •...
  • Page 11: Block Diagrams - Main Section

    DXA-WZ5 4-1. Block Diagrams – Main Section – POWER AMP HCD-WZ5 IC501 FRONT-L • R-CH is omitted due to same as L-CH. Q403 RY402 • Signal Path MUTE RELAY TM402 FRONT-R Q501 DRIVE : FM SPEAKER Q521 Q204,206 R-CH R-CH...
  • Page 12: Printed Wiring Board - Main Board

    DXA-WZ5 4-2. Printed Wiring Board – MAIN Board – • : Uses unleaded solder. • Semiconductor Location Ref. No. Location D101 D102 D103 D111 D201 D202 D204 D205 D207 D208 D209 D251 D301 D351 D352 D402 D404 D911 IC201 IC251...
  • Page 13: Schematic Diagram - Main Board (1/2)

    DXA-WZ5 4-3. Schematic Diagram – MAIN Board (1/2) – • See page 10 for Waveforms. CN301 CN302 C305 C303 680p Q312 680p 2SC3624A -T1L15L16 C307 C317 Q314 0.47 C318 680p 2SC3624A -T1L15L16 680p R328 2.2k R322 C327 C328 Q302 R324...
  • Page 14: Main Board (2/2)

    DXA-WZ5 – MAIN Board (2/2) – NO802 R417 4.7k R410 D402 100k 1SS355-17 D201 R413 R415 1SS355 D202 TE-17 1SS355 RY402 TE-17 RELAY L404 R411 Q203 C414 2SC1623 0.01 -T1-L5L6 C204 R428 D404 1SS355-17 R433 C405 C408 R207 JW124 Q403 4.7k...
  • Page 15: Printed Wiring Board - Amp Board

    DXA-WZ5 4-4. Printed Wiring Board – AMP Board – • : Uses unleaded solder. IC501 • Semiconductor Location Ref. No. Location D501 D504 D505 D521 D532 D571 IC501 Q501 Q521 Q531 Q533 Q534 Q535 Q536 Q537 Q551 Q571 Q531...
  • Page 16: Schematic Diagram - Amp Board

    DXA-WZ5 4-5. Schematic Diagram – AMP Board – IC501 Q535 2SC1623 -T1-L5L6 R540 R536 100k 100k Q534 2SC1623 -T1-L5L6 R538 470k Q531 2SC1623 JR502 R545 2.2k R546 R551 Q537 2.2k Q533 D532 2SC1623 C554 C504 2SC2713G-TE85L R541 1SS355 -T1-L5L6 R535...
  • Page 17: Exploded Views

    DXA-WZ5 SECTION 5 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • Hardware (# mark) list and accessories and The components identified by mark 0 or have some differences from the original one. packing materials are given in the last of this dotted line with mark 0 are critical for safety.
  • Page 18: Chassis Section

    DXA-WZ5 5-2. Chassis Section not supplied F601 not supplied F104 F105 F103 F102 F101 supplied not supplied FAN301 not supplied not supplied T302 not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description...
  • Page 19: Tape Mechanism Deck Section

    DXA-WZ5 5-3. Tape Mechanism Deck Section not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-796-487-31 DECK, MECHANICAL 4-243-609-01 BELT (AF) 4-243-610-01 BELT (AL) 4-243-608-01 BELT (BR)
  • Page 20: Electrical Parts List

    DXA-WZ5 SECTION 6 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “ * ” are not stocked since they • CAPACITORS: uF: µF parts list may be different from the parts are seldom required for routine service. Some...
  • Page 21 DXA-WZ5 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R555 1-216-841-11 METAL CHIP 1/16W C252 1-126-964-11 ELECT 10uF 20.00% 50V C253 1-164-156-11 CERAMIC CHIP 0.1uF R556 1-216-815-11 METAL CHIP 1/16W C255 1-162-962-11 CERAMIC CHIP 470pF...
  • Page 22 DXA-WZ5 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < CONNECTOR > Q206 8-729-900-53 TRANSISTOR DTC114EKA-T146 Q209 8-729-026-68 TRANSISTOR 2SD2525(TP) CN102 1-691-769-11 PLUG (MICRO CONNECTOR) 7P Q211 8-729-120-28 TRANSISTOR 2SC1623-T1-L5L6 * CN204 1-564-518-11 PLUG, CONNECTOR 3P...
  • Page 23 DXA-WZ5 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R260 1-216-809-11 METAL CHIP 1/16W R366 1-216-833-11 METAL CHIP 1/16W R261 1-216-809-11 METAL CHIP 1/16W R367 1-216-833-11 METAL CHIP 1/16W R262 1-216-809-11 METAL CHIP 1/16W R263...
  • Page 24 DXA-WZ5 Ref. No. Part No. Description Remarks MISCELLANEOUS ************** 1-769-985-11 WIRE (FLAT TYPE) (13CORE) 0 55 1-468-737-11 POWER, SWITCHING 0 56 1-696-845-11 CORD, POWER (AUS) 0 56 1-751-523-11 CORD, POWER (UK) 0 56 1-777-071-63 CORD, POWER (AEP) 0 56 1-783-820-21 CORD, POWER (TW)

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