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Sony DXA-WZ8D Service Manual

Stereo cassette deck amplifier.
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3 7 63 1515 0

SERVICE MANUAL

Ver 1.0 2003. 06
• DXA-WZ8D is deck and amplifier
section in MHC-WZ8D.
Amplifier section
TE
L 13942296513
European and Russian models:
DIN power output at stereo mode (rated)
Continuous RMS power output (reference)
Front speaker:
Center speaker:
Surround speaker:
Music power output (reference)
Front speaker:
Center speaker:
Surround speaker:
Other models:
The following measured at AC 127, 220, 240 V,
50/60 Hz (Saudi Arabian model only)
The following measured at AC 120, 220, 240 V,
50/60 Hz (except for Saudi Arabian model)
DIN power output at stereo mode (rated)
Continuous RMS power output (reference)
Front speaker:
www
.
Sony Corporation
9-877-416-01
2003F1678-1
Home Audio Company
© 2003.06
Published by Sony Engineering Corporation
http://www.xiaoyu163.com
Center speaker:
Surround speaker:
75 + 75 watts (6 ohms at
Inputs
1 kHz, DIN)
MD (VIDEO) IN L/R (phono jacks):
100 + 100 watts (6 ohms at
1 kHz, 10% THD)
MIC (phone jack):
40 watts (6 ohms at 1 kHz,
10% THD)
Outputs
40 + 40 watts (6 ohms at
MD (VIDEO) OUT L/R (phono jacks):
1 kHz, 10% THD)
200 + 200 watts (6 ohms at
SUB WOOFER OUT:
1 kHz, 10% THD)
80 watts (6 ohms at 1 kHz,
VIDEO OUT (phono jacks):
10% THD)
80 + 80 watts (6 ohms at
1 kHz, 10% THD)
S VIDEO OUT (4-pin/mini-DIN jack):
COMPONENT VIDEO OUT:
100 + 100 watts (6 ohms at
1 kHz, DIN)
140 + 140 watts (6 ohms at
1 kHz, 10% THD)
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http://www.xiaoyu163.com
DXA-WZ8D
2 9
8
Tape deck
Model Name Using Similar Mechanism
Section
Tape Transport Mechanism Type
SPECIFICATIONS
Q Q
40 watts (6 ohms at 1 kHz,
3
6 7
1 3
1 5
10% THD)
40 + 40 watts (6 ohms at
1 kHz, 10% THD)
Voltage 450 mV/250 mV,
impedance 47 kilohms
sensitivity 1 mV,
impedance 10 kilohms
Voltage 250 mV,
impedance 1 kilohms
Voltage 1 V,
impedance 1 kilohms
max. output level
1 Vp-p, unbalanced, Sync
negative, load impedance
75 ohms
Y: 1 Vp-p, unbalanced,
Sync negative,
C: 0.286 Vp-p,
load impedance 75 ohms
Y: 1 Vp-p, 75 ohms
P
/C
: 0.7 Vp-p, 75 ohms
B
B
P
/C
: 0.7 Vp-p, 75 ohms
R
R
STEREO CASSETTE DECK AMPLIFIER
co
.
9 4
2 8
AEP Model
UK Model
E Model
Australian Model
DXA-WZ5
CWM43RR23
PHONES (stereo mini jack):
0 5
8
2 9
9 4
2 8
accepts headphones of
8 ohms or more
FRONT L/R:
Use only the supplied
speaker SS-WZ8/WZ8E
SURROUND L/R:
Use only the supplied
speaker SS-RS400/RS410
CENTER:
Use only the supplied
speaker SS-CT400/CT410
Tape deck section
Recording system
4-track 2-channel, stereo
Frequency response
50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
General
Power requirements
European and Russian models:
230 V AC, 50/60 Hz
Australian model:
230 – 240 V AC, 50/60 Hz
Saudi Arabian model:
120 – 127 V, 220 V or
230 – 240 V AC, 50/60 Hz
Adjustable with voltage
selector
Thai model:
220 V AC, 50/60 Hz
Korean model:
220 V AC, 60 Hz
— Continued on next page —
m
9 9
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Table of Contents

   Related Manuals for Sony DXA-WZ8D

   Summary of Contents for Sony DXA-WZ8D

  • Page 1: Service Manual

    3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model Ver 1.0 2003. 06 E Model Australian Model • DXA-WZ8D is deck and amplifier section in MHC-WZ8D. Tape deck Model Name Using Similar Mechanism DXA-WZ5 Section Tape Transport Mechanism Type...
  • Page 2: Table Of Contents

    LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE circuit board (within 3 times). COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS • Be careful not to apply force on the conductor when soldering APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS or unsoldering.
  • Page 3 DXA-WZ8D SECTION 1 GENERAL 3 7 63 1515 0 This section is extracted from instruction manual. Main unit Amplifier/Tape deck ALPHABETICAL ORDER A – L Deck A wl Deck B wh BUTTON DESCRIPTIONS A Z (eject) wk (39) Z B (eject) wj (39)
  • Page 4: Hooking Up The System

    DXA-WZ8D 3 7 63 1515 0 Getting Started Hooking up the system Perform the following procedures 1 to 7 to hook up your system using the supplied cords and accessories. European model is used for illustration purpose. To center...
  • Page 5: Disassembly

    DXA-WZ8D SECTION 2 DISASSEMBLY 3 7 63 1515 0 • The equipment can be removed using the following procedure. CASE SWITCHING POWER, TC MAIN BOARD FRONT PANEL ASSY DC FAN FRONT AMP BOARD, TAPE MECHANISM DECK SURROUND AMP BOARD...
  • Page 6: Switching Power, Dc Fan And Back Panel

    DXA-WZ8D 3 7 63 1515 0 2-2. Switching Power, DC Fan and Back Panel q; back panel 7 two screws (+BVTP 3 × 8) 2 five screws (+BVTP 3 × 8) 9 DC fan 1 five screws 8 connector (+BVTP 3 ×...
  • Page 7: Front Amp Board And Surround Amp Board

    DXA-WZ8D 3 7 63 1515 0 2-4. FRONT AMP Board and SURROUND AMP Board Remove the soldering. Remove the soldering. 2 two screws 5 two screws (+BVTP 3 × 8) (+BVTP 3 × 8) 6 SURROUND AMP board 3 FRONT AMP board L 13942296513 2-5.
  • Page 8: Tape Mechanism Deck (cwm43rr23)

    DXA-WZ8D 3 7 63 1515 0 2-6. Tape Mechanism Deck (CWM43RR23) 2 tape mechanism deck (CWM43RR23) 1 four screws (+BVTP 2.6 × 8) 4 two screws (+BVTP 2.6 × 8) 8 lever (L) q; holder (lock) qa button (A)
  • Page 9: Electrical Adjustments

    DXA-WZ8D SECTION 3 ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 Mode: Playback DECK SECTION 0 dB=0.775 V test tape SPEAKER terminals (TM401) Note: Confirm each contents of this section first of all. If the results are P-4-A63J L-CH not satisfied, do the adjustment.
  • Page 10: Diagrams

    DXA-WZ8D SECTION 4 DIAGRAMS 3 7 63 1515 0 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: •...
  • Page 11: Block Diagram

    DXA-WZ8D 4-1. Block Diagram 3 7 6 3 1 5 1 5 0 TM401(1/2) POWER AMP SPEAKER HCD-WZ8D IC501 FRONT-L • R-CH is omitted due to same as L-CH. FRONT L • Signal Path Q501 FRONT-R MUTE : AUDIO...
  • Page 12: Printed Wiring Board – Tc Main Board

    DXA-WZ8D 4-2. Printed Wiring Board – TC MAIN Board – • : Uses unleaded solder. 3 7 6 3 1 5 1 5 0 TC MAIN BOARD • Semiconductor Location Ref. No. Location D101 D102 D103 E2,E3,E15,EA,MY,SP,PH D111 D201...
  • Page 13: Schematic Diagram - Tc Main Board (1/2)

    DXA-WZ8D 4-3. Schematic Diagram – TC MAIN Board (1/2) – • See page 10 for Waveforms. 3 7 6 3 1 5 1 5 0 CN301 CN302 TC MAIN BOARD (1 / 2) C305 C303 680p Q312 680p 2SC3624A...
  • Page 14: Tc Main Board (2/2)

    DXA-WZ8D – TC MAIN Board (2/2) – 3 7 6 3 1 5 1 5 0 TC MAIN TC MAIN BOARD (2 / 2) NO802 FRONT AMP BOARD CN501 (Page 16) R417 4.7k R406, 411, 412 R410 D402 22(AEP, UK, RU)
  • Page 15: Printed Wiring Board - Front Amp Board

    DXA-WZ8D 4-4. Printed Wiring Board – FRONT AMP Board – • : Uses unleaded solder. 3 7 6 3 1 5 1 5 0 FRONT AMP BOARD IC501 • Semiconductor Location Ref. No. Location D501 D504 D505 D521 D532...
  • Page 16: Schematic Diagram - Front Amp Board

    DXA-WZ8D 4-5. Schematic Diagram – FRONT AMP Board – 3 7 6 3 1 5 1 5 0 FRONT AMP BOARD IC501 Q535 2SC1623 R540 100k Q534 2SC1623 EXCEPT AEP,UK,RU R545 R506, 556 2.2k 110 (AEP, UK, RU) 120 (EXCEPT AEP, UK, RU)
  • Page 17: Printed Wiring Board - Surround Amp Board

    DXA-WZ8D 4-6. Printed Wiring Board – SURROUND AMP Board – • : Uses unleaded solder. 3 7 6 3 1 5 1 5 0 IC701 • Semiconductor Location Ref. No. Location D711 D741 D742 D761 IC701 Q701 Q711 Q731...
  • Page 18: Schematic Diagram - Surround Amp Board

    DXA-WZ8D 4-7. Schematic Diagram – SURROUND AMP Board – 3 7 6 3 1 5 1 5 0 IC701 STK403-240 C754 C704 C734 R744 100p 100p 100p C733 0.22 C743 Q741 R743 R736 R741 2SC2785TP R735 C732 R774 470p...
  • Page 19: Exploded Views

    DXA-WZ8D SECTION 5 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • -XX, -X mean standardized parts, so they may • Abbreviation RU : Russian model have some differences from the original one. AUS : Australian model SP : Singapore model •...
  • Page 20: Chassis Section

    DXA-WZ8D 3 7 63 1515 0 5-2. Chassis Section supplied supplied supplied F601 F104 F105 F103 F106 supplied F102 F101 supplied not supplied FAN301 not supplied T302 not supplied L 13942296513 not supplied not supplied Ref. No. Part No.
  • Page 21: Tape Mechanism Deck Section

    DXA-WZ8D 3 7 63 1515 0 5-3. Tape Mechanism Deck Section not supplied not supplied L 13942296513 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)
  • Page 22: Electrical Parts List

    DXA-WZ8D SECTION 6 FRONT AMP ELECTRICAL PARTS LIST 3 7 63 1515 0 NOTE: • Due to standardization, replacements in the • CAPACITORS: KR : Korean model uF: µF parts list may be different from the parts : Malaysia model specified in the diagrams or the components •...
  • Page 23 DXA-WZ8D FRONT AMP SURROUND AMP 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R539 1-216-839-11 METAL CHIP 1/10W C751 1-126-964-11 ELECT 10uF 20.00% 50V R540 1-216-845-11 METAL CHIP 100K 1/10W...
  • Page 24 DXA-WZ8D SURROUND AMP TC MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R744 1-220-755-11 METAL 0.22 C112 1-135-516-11 ELECT 3300uF R745 1-216-845-11 METAL CHIP 100K 1/10W (AEP, UK, RU)
  • Page 25 DXA-WZ8D TC MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C331 1-126-963-11 ELECT 4.7uF 20.00% 50V D203 8-719-069-56 DIODE UDZSTE-176.2B D204 8-719-069-57 DIODE UDZSTE-6.8B C332 1-126-963-11 ELECT 4.7uF 20.00% 50V...
  • Page 26 DXA-WZ8D TC MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks Q309 8-729-900-53 TRANSISTOR DTC114EKA-T146 R305 1-216-805-11 METAL CHIP 1/10W Q310 8-729-216-22 TRANSISTOR 2SA812-T1-M5M6 R306 1-216-809-11 METAL CHIP 1/10W R307...
  • Page 27 DXA-WZ8D TC MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R402 1-216-841-11 METAL CHIP 1/10W < TRANSFORMER > R403 1-216-841-11 METAL CHIP 1/10W T301 1-433-372-11 TRANSFORMER, BIAS OSCILLATION R404...
  • Page 28 DXA-WZ8D 3 7 63 1515 0 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page.

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