Sony DXA-WZ8D User manual

DXA-WZ8D
AEP Model
UK Model
E Model
Australian Model
SERVICE MANUAL
STEREO CASSETTE DECK AMPLIFIER
SPECIFICATIONS
Ver 1.0 2003. 06
•DXA-WZ8D is deck and amplifier
section in MHC-WZ8D.
Amplifier section
European and Russian models:
DIN power output at stereo mode (rated)
75 + 75 watts (6 ohms at
1kHz, DIN)
Continuous RMS power output (reference)
Front speaker: 100 + 100 watts (6 ohms at
1kHz, 10% THD)
Center speaker: 40 watts (6 ohms at 1 kHz,
10% THD)
Surround speaker: 40 + 40 watts (6 ohms at
1kHz, 10% THD)
Music power output (reference)
Front speaker: 200 + 200 watts (6 ohms at
1kHz, 10% THD)
Center speaker: 80 watts (6 ohms at 1 kHz,
10% THD)
Surround speaker: 80 + 80 watts (6 ohms at
1kHz, 10% THD)
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)
100 + 100 watts (6 ohms at
1kHz, DIN)
Continuous RMS power output (reference)
Front speaker: 140 + 140 watts (6 ohms at
1kHz, 10% THD)
Center speaker: 40 watts (6 ohms at 1 kHz,
10% THD)
Surround speaker: 40 + 40 watts (6 ohms at
1kHz, 10% THD)
Inputs
MD (VIDEO) IN L/R (phono jacks):
Voltage 450 mV/250 mV,
impedance 47 kilohms
MIC (phone jack): sensitivity 1 mV,
impedance 10 kilohms
Outputs
MD (VIDEO) OUT L/R (phono jacks):
Voltage 250 mV,
impedance 1 kilohms
SUB WOOFER OUT: Voltage 1 V,
impedance 1 kilohms
VIDEO OUT (phono jacks):
max. output level
1 Vp-p, unbalanced, Sync
negative, load impedance
75 ohms
S VIDEO OUT (4-pin/mini-DIN jack):
Y: 1 Vp-p, unbalanced,
Sync negative,
C: 0.286 Vp-p,
load impedance 75 ohms
COMPONENT VIDEO OUT:
Y: 1 Vp-p, 75 ohms
P
B /C B : 0.7 Vp-p, 75 ohms
P
R /C R : 0.7 Vp-p, 75 ohms
PHONES (stereo mini jack):
accepts headphones of
8ohms 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
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-877-416-01
2003F1678-1
© 2003.06
Tape deck
Section Model Name Using Similar Mechanism DXA-WZ5 Tape Transport Mechanism Type CWM43RR23
— Continued on next page —
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2
DXA-WZ8D
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINEWITH
MARK 0ON THE SCHEMATIC DIAGRAMS AND INTHE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
Notes on chip component replacement
•Never reuse a disconnected chip component.
•Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
•Keep the temperature of soldering iron around 270˚C
during repairing.
•Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
•Be careful not to apply force on the conductor when soldering
or unsoldering.
TABLE OF CONTENTS
1. GENERAL ·········································································· 3
2. DISASSEMBLY ························································· 5
2-1. Case ··············································································· 5
2-2. Switching Power, DC Fan and Back Panel ··················· 6
2-3. TC MAIN Board ··························································· 6
2-4. FRONT AMP Board and SURROUND AMP Board ···· 7
2-5. Front Panel Assy ···························································· 7
2-6. Tape Mechanism Deck (CWM43RR23) ······················· 8
2-7. Lid (TC) Assy, Holder (A) Assy and Holder (B) Assy·· 8
3. ELECTRICAL ADJUSTMENTS ································· 9
4. DIAGRAMS······································································ 10
4-1. Block Diagram ···························································· 11
4-2. Printed Wiring Board – TC MAIN Board – ··············· 12
4-3. Schematic Diagram – TC MAIN Board (1/2) – ······ 13
– TC MAIN Board (2/2) – ······ 14
4-4. Printed Wiring Board – FRONT AMP Board – ········· 15
4-5. Schematic Diagram – FRONT AMP Board – ········· 16
4-6. Printed Wiring Board – SURROUND AMP Board – 15
4-7. Schematic Diagram – SURROUND AMP Board – 16
5. EXPLODEDVIEWS
5-1. Front Panel Section ····················································· 17
5-2. Chassis Section ···························································· 18
5-3. Tape Mechanism Deck Section ··································· 19
6. ELECTRICAL PARTS LIST ······································· 20
Unleaded solder
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size.)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
•Unleaded solder melts at a temperature about 40°C higher than
ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350°C.
Caution: The printed pattern (copper foil) may peel away if the
heated tip is applied for too long, so be careful!
•Strong viscosity
Unleaded solder is more viscous (sticky, less prone to flow) than
ordinary solder so use caution not to let solder bridges occur such
as on IC pins, etc.
•Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
[When bringing in the equipment for service]
In case of repairing, please bring the entire system set([HCD-WZ5,
DXA-WZ5],except for the speaker) to the service station.
Other models: 120 V, 220 V or
230 – 240 V AC, 50/60 Hz
Adjustable with voltage
selector
Power consumption
European and Russian models:
235 watts
0.3 watts (in Power Saving
Mode)
Other models: 260 watts
Dimensions (w/h/d)
Amplifier/Tape deck: Approx. 255 ×135 ×
330 mm
Mass
Amplifier/Tape deck: Approx. 8.5 kg
Supplied accessories: Remote Commander (1)
Batteries (2)
AM loop antenna (1)
FM lead antenna (1)
Speaker pads (20)
Speaker cords (5)
Video cord (1)
Design and specifications are subject to change
without notice.
MODEL IDENTIFICATION
— BACK PANEL —
•Abbreviation
AUS:Australian model
E2 : 120V AC area in E model
E3 : 240V AC area in E model
E15 : 220-240V AC area in E model
EA : Saudi Arabia model
KR : Korean model
PARTS No.
VOLTAGE SELECTOR Switch
MY : Malaysia model
PH :Philippinesmodel
RU : Russian model
SP : Singapore model
TH :Thai model
MODEL
AEP, UK models
EA model
E2,E3,E15 models
AUS model
TH model
PARTS No.
4-244-898-0s
4-244-898-1s
4-244-898-2s
4-244-898-4s
4-244-898-6s
MODEL
KR model
MY,SP models
RU model
PH model
PARTS No.
4-244-898-7s
4-244-898-8s
4-244-898-9s
4-247-937-0s
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3
DXA-WZ8D
This section is extracted
from instruction manual.
SECTION 1
GENERAL
Main unit
Deck A wl
Deck B wh
A Z(eject) wk (39)
ZB (eject) wj (39)
ALPHABETICAL ORDER
A – L
BUTTON DESCRIPTIONS
Amplifier/Tape deck
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4
DXA-WZ8D
Perform the following procedures 1to 7to hook up your system using the supplied cords and
accessories. European model is used for illustration purpose.
Preparation
Place the components as shown below.
1Connect the system control cables to
the SYSTEM CONTROL connectors on
the tape deck.
Connect to the same numbered jack in the
order indicated on the rear panel.
Note
The system cable is used to send signals and electricity
between the components for interlinked operation.
Be sure to insert the connector horizontally until it
clicks into place.Otherwise the system will not operate
correctly.
2Connect the speakers.
Be sure to matchthe appropriate speaker
cords from the speaker terminals to the
corresponding SPEAKER terminals on the
tape deck.
Getting Started
Hooking up the system
AM loop antenna
To front speaker (right)
To front speaker
(left)
FM lead antenna CD/DVD player/Tuner Amplifier/Tape deck
To surround speaker (right)
To surround speaker (left)
To center
speaker
Amplifier/
Tape deck CD/DVD player/ Tuner
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5
DXA-WZ8D
SECTION 2
DISASSEMBLY
•The equipment can be removed using the following procedure.
SET
FRONT PANEL ASSY
LID (TC) ASSY,
HOLDER (A) ASSY,
HOLDER (B) ASSY
CASE
TC MAIN BOARD
FRONT AMP BOARD,
SURROUND AMP BOARD TAPE MECHANISM DECK
(CWM43RR23)
SWITCHING POWER,
DC FAN
2-1. Case
Note : Follow the disassembly procedure in the numerical order given.
3 three screws
(+BVTP 3
× 8
)
1 two screws
(case 3 TP2)
2 two screws
(case 3 TP2)
4 case
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6
DXA-WZ8D
1 five screws
(+BVTP 3
× 8)
2 five screws
(+BVTP 3
× 8)
7 two screws
(+BVTP 3
× 8)
9 DC fan
q; back panel
5 two screws
(+BVTP 3
× 8)
8 connector
(CN204)
3 connector
(CN201)
4 connector
(CN101)
6 switching power
2 three screws
(+BVTP 3 × 8)
3 wire (flat type)
(13 core)
q; connector
(CN301)
qj MAIN board
qa connector
(CN302)
qs connector
(CN102)
qd connector
(CN605)
qf connector
(CN604)
qg connector
(CN101)
qh connector
(CN201)
8 connector
(CN502)
7 connector
(CN401)
6 connector
(CN701)
5 connector
(CN204)
9 connector
(CN501)
1 five screws
(+BVTP 3
× 8
)
4 lead with connector
2-2. Switching Power, DC Fan and Back Panel
2-3.TC MAIN Board
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7
DXA-WZ8D
2 two screws
(+BVTP 3
× 8)
5 two screws
(+BVTP 3 × 8)
1 Remove the soldering.
4 Remove the soldering.
3 FRONT AMP board
6 SURROUND AMP board
7 front panel assy
1 two screws
(+BVTP 3
× 8)
4 claw
2 wire (flat type)
(13 core)
3 lead with connector
5 connector
6 connector
2-4. FRONT AMP Board and SURROUND AMP Board
2-5. Front Panel Assy
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8
DXA-WZ8D
1 four screws
(+BVTP 2.6
× 8
)
4 two screws
(+BVTP 2.6
× 8)
3
2
tape mechanism deck (CWM43RR23)
5 four claws
6 base lock
q; holder (lock)
7 lever (R)
9 lever (C)
8 lever (L)
qa button (A)
qs button (B)
1 spring (lid)
2 spring (lid-R)
3 lid (TC) assy
4 claw
8 claw
5 damper
9 damper
6 spring holder (A)
q; spring holder (B)
7 holder (A) assy
qa holder (B) assy
2-6.Tape Mechanism Deck (CWM43RR23)
2-7. Lid (TC) Assy, Holder (A) Assy and Holder (B) Assy
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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9
DXA-WZ8D
3. Mode: Playback
4. Repeat step 1 to 3 in playback (REV) mode.
5. After the adjustments, apply suitable locking compound to the
pats adjusted.
SECTION 3
ELECTRICAL ADJUSTMENTS
2. Turn the adjustment screw and check output peaks. If the peaks
do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1dB of peak.
Note: Confirm each contents of this section first of all. If the results are
not satisfied, do the adjustment.
1. Demagnetize the record/playback head with a head
demagnetizer.
2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the
parts adjust.
4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
5. The adjustments should be performed in the order given in this
service manual.
6. The adjustments should be performed for both L-CH and R-
CH.
7. Switches and controls should be set as follows unless otherwise
specified.
•Test Tape
Record/Playback Head Azimuth Adjustment
Procedure:
1. Mode: Playback
set
SPEAKER terminals (TM402)
L-CH, R-CH
+
–
level meter
test tape
P-4-A63J
(10 kHz, –10 dB)
Screw
position
L-CH
peak
within
1 dB
Output
level
L-CH
peak R-CH
peak
within
1 dB
Screw
position
R-CH
peak
set
test tape
P-4-A63J
(10 kHz, –10 dB)
R-CH
oscilloscope
L-CH
R-CH
VH
waveform of oscilloscope
in phase 45 ° 90 ° 135 ° 180 °
good wrong
SPEAKER terminals (TM401
)
L-CH
DECK SECTION
Tape Signal Used for
P-4-A63J 10 kHz, –10 dB Azimuth Adjustment
0 dB=0.775 V
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10
DXA-WZ8D
•WAVEFORMS
SECTION 4
DIAGRAMS
Note on Schematic Diagram:
•All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
•All resistors are in Ωand 1/4W or less unless otherwise
specified.
•¢: internal component.
•2: nonflammable resistor.
•5: fusible resistor.
•C: panel designation.
Note on Printed Wiring Boards:
•X: parts extracted from the component side.
•Y: parts extracted from the conductor side.
•b: Pattern from the side which enables seeing.
•A: B+ Line.
•B: B– Line.
•H: adjustment for repair.
•Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
•Voltages are takenwith aVOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark : FM
():CD
[]:TAPE
•Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
•Circled numbers refer to waveforms.
•Signal path.
F: FM
E: PB (TAPE)
a: REC (TAPE)
J: CD
•Abbreviation
AUS:Australian model
E2 : 120V AC area in E model
E3 : 240V AC area in E model
E15 : 220-240V AC area in E model
EA : Saudi Arabia model
KR : Korean model
MX : Mexican model
MY : Malaysia model
PH : Philippines model
RU : Russian model
SP : Singapore model
TH :Thai model
THIS NOTE IS COMMON FOR PRINTEDWIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
C
B
These are omitted.
E
Q
B
These are omitted.
CE
Q
11.2 µ s
15.9 Vp-p
5 V/DIV, 4 µ s/DIV
1Q301 collector (TAPE B REC)
–TC MAIN Board –
Note: The components identified by mark 0or dotted line
with mark 0are critical for safety.
Replace only with part number specified.
Caution:
Pattern face side: Partsonthepatternfaceside seen from
(SIDE B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(SIDE A) the parts face are indicated.
•Indication of transistor.
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1111
DXA-WZ8D
4-1. Block Diagram
: REC (TAPE)
: AUDIO
• Signal Path
• R-CH is omitted due to same as L-CH.
: PB (TAPE)
TAPE DECK
BLOCK
L-PB
TRANSFORMER
POWER
T302
RELAY
DRIVE
Q601 RY601
AC
IN
R-PB
A SHUT
B SHUT
R-CH
L-REC
R-REC R-CH
GND
MUTE
CONT
JW604
RY402
14
15
12
9
8
POWER AMP
IC501
Q536,537
52
IC301
L-PB
R-PB R-CH
1
BIAS 8
7
16
5
67
IC303
CNT BIAS
REC SWITCH
Q312,314
REC CONT
Q308-310
PB SWITCH
Q303
PB CONT
Q306,307
BIAS
OSC
Q301
T301
BIAS
E HOT
BIAS
SWITCH
Q304
BIAS
CONT
Q305
BIAS
21
I/O EXP DATA OUT
I/O EXPANDER
I/O EXP DATA IN
I/O EXP CLK
I/O EXP LAT
UNREG
EVER +4V
CN CHECK
AMP+9V AMP+9V
M+9V
REC-L
REC-R
PB-R
PB-L
B SHUT
A SHUT
R-CH
R-CH
IC251
A/B
23
20
FR RY
19
SUR RY
12
TH VACS
11
PROTECT
REC/PB
22
A PLAY
B PLAY
A HALF
B HALF
REC(FWD)
REC (REW)
CAP M+ MOTOR
DRIVE
Q353,356
A TRG SOLENOID
DRIVE
SOLENOID
DRIVE
Q351,355
B TRG
Q352,354
A PLAY
5
B PLAY
9
A HALF
6
B HALF
8
REC(FWD)
7
REC(REW)
10
CAP-M
24
HCD-WZ8D
31
4
IC201
PROTECTOR
25
DO2
26
DI
3
CLK
4
LATCH
A TRG
B TRG
MUTE
Q533
MUTE
CONT
Q204,206
MUTE
Q501
R-CH
FRONT L
FRONT R
SURR L
SURR R
CENTER
TM401(1/2)
SPEAKER
FAN301
FAN
DRIVE
Q209,211,212
FAN
CONTROL
Q213
PROTECT
SWITCH
Q536,537 +VL
TH531
OVER HEAT
DETECTOR
17
PWR RY
18
FAN CNT
D501
D742
Q521
Q534,535
TH
VACS
Q531,532
PROTECT
DETECTOR
Q403
RELAY
DRIVE
D101
+9V
REG 1
3
IC302
+VL
D103 AC3
AC3
AC4
AC4
D301
R-CH
D402
+3.3V
REG
Q101
D+3.3V
Q202
D202
D201
AC
DET
Q203,205
M+9V
-VL
AC2
AUS
E2, E3, E15,EA,
MY, SP, PH
KR, TH
AEP, UK, RU
AC2
+VH
-VH
AC1
AC1
D102
DVD AC
DVD AC
D251
IC251
VCC
DVD MUTE
DBFB FB
STK MUTE
TA MUTE
FRONT-R
FRONT-L
RY401
83
9
POWER AMP(SL,SR,C)
IC701
MUTE
Q701
R-CH
TM401(2/2)
Q711
PROTECT
DETECTOR
Q401
RELAY
DRIVE
REAR-R
REAR-L
JW603
JW602
S601
VOLTAGE
SELECTOR
SWITCHING
REGULATOR
EVER+4V
RY403
13 15
14
MUTE
Q731
Q741
PROTECT
DETECTOR
CENTER
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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1212
DXA-WZ8D
4-2. PrintedWiring Board –TC MAIN Board –
IC301
IC303
IC201
IC302
IC251
KR,THAEP,UK,RU E2,E3,E15,EA,MY,SP,PH
E2,E3,E15,EA,MY,SP,PH
1
13
216
15
3
1
C310
TC MAIN BOARD
C605
C232
C231
R232
R231
Q213
D203
TM401
R424
R426
R421
R420
R429
R430
R434
C406
JW109
D403
Q401
R412
R409
R408
R406
C410
R431
L401
C411
C415
C412
C404
C403
C409
L402
L405 RY403
R404
R405
R402
RY401
CN401
HCD-WZ8D
HCD-WZ8D
SURR R
FRONT R
R341
12
FRONT AMPSURROUND AMP
NO703
(Page 17)
D
R340
CENTER
SURR L
FRONT L
FRONT AMP
SURROUND AMP
D401
NO809
16
C
7
7
• : Uses unleaded solder.
• Semiconductor
Location
Ref. No. Location
D101 C-9
D102 B-7
D103 A-7
D111 A-6
D201 I-4
D202 I-4
D203 F-2
D204 F-2
D205 E-2
D207 E-3
D208 E-3
D209 F-2
D251 G-3
D301 B-6
D351 E-5
D352 E-5
D401 I-3
D402 G-3
D403 I-3
D404 H-3
D911 C-2
IC201 I-4
IC251 F-4
IC301 I-10
IC302 A-7
IC303 J-8
Q101 A-6
Q202 I-5
Q203 H-5
Q204 E-2
Q205 H-5
Q206 E-2
Q209 E-2
Q211 F-2
Q212 F-2
Q213 E-1
Q301 F-9
Q302 H-10
Q303 H-9
Q304 G-8
Q305 F-8
Q306 H-8
Q307 H-9
Q308 H-8
Q309 H-8
Q310 H-8
Q311 G-9
Q312 G-9
Q313 G-9
Q314 G-9
Q351 E-5
Q352 E-5
Q353 E-5
Q354 E-4
Q355 E-4
Q356 E-4
Q401 I-3
Q403 H-4
Q601 C-2
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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http://www.xiaoyu163.com

1313
DXA-WZ8D
4-3. Schematic Diagram –TC MAIN Board (1/2) – • See page 10 for Waveforms.
EXCEPT AEP,UK,RUAEP,UK,RU
3300
63V
3300
71V
3300
71V
3300
63V
34 35 36
OSC
TC MAIN BOARD (1 / 2)
TC MAIN
T6.3AL/250V
T4AL/250V
C107
C108
D103
R103
R104
C111
C112
D102
C251
C320
C319
R315
C312
C302
C351
R352
C352
R351
R353
R358
R359
R360
R366
R365
R364
R363
R362
R361
R367
R368
D351
D352
C305
C318
C308
C118
C120
C303
C317
R263
R264
R328
R329
R369
R370
C114
IC302
R330
C327 C328
L302
100uH
L303
L304
C330
C304
C315
F102
F101 F103
F104
F105
R308
C309
C333
C334
C337
R343
R344
R204
R201
R203
R254
R252 R251
R253
R256
R257
R258
R259
R260
C252
R316
R322 R324
R321 R323
C322C321
R311
R307
R305
R320
R318
R314
T301
R354
R355
R357
R356
C316
C307
C311
R319R317
R261
R262
R255
R128
D111
R325
C323
C353
C354
C324
C253
R334
IC301
R303
R304
R306
R310
R309
R335
R338
R336
C313
C255
R340
C326
R341
C331
CN351
C301
C314
R312
R302
R313C329
C332
R327R326
R331
CN302
CN301
C105
C106
C338
C325R339
R337
Q312
Q314
Q313
Q311
Q310
Q308
Q309
Q306
Q307
Q303
Q302
Q304
Q305
C306
Q352
Q301
Q354
Q355
Q356
Q353Q351
IC251
Q101
C113
4700
D301
CN102
D101
C103
0.01
0.01
C104
C109
3300
3300
C110
IC303
D251
0.01
0.01
D3SBA20
100k
R232
22k
R231
100k
100k
D5SBA20
0.01
2200p
2200p
4.7k
0.01
0.0047
0.0047
680
0.0047
680
47k
3.3k
3.3k
3.3k
10k
10k
10k
10k
10k
10k
10k
10k
1SS355
1SS355
680p
680p
22
50V
10
50V
10
50V
680p
680p
10k
10k
2.2k
2.2k
100
100
0.01
BA09T
22k
680p 680p
27MH
27MH
100p
0.01
C310
0.1
0.01
100
100
10V
4700p
4700p
330p
33k
33k
100k
4.7k
4.7k
1K
100100
100
100
100
100
100
100
10
50V
8.2k
1k
1k
1k 1k
0.0010.001
10
10k
47
4.7k
4.7k
47k
2.2k
2.2k
2.2k
2.2k
0.47
50V
0.47
50V
220
10V
10k10k
100
100
100
1k
UDZSTE-173.9B
10k
1
50V
470
16V
10
50V
10
50V
0.1
6.8k
BA3402
330k
12k
100
12k
330k
33k
33k
100
22
50V
470p
220
100 10V
220
4.7 50V
13P
0.01
0.0068
33
3.3k
8.2k 100p
4.7
50V
100 15k
22k
8P
3P
0.1
0.1
330p
10 50V 100
6.8k
2SC3624A -T1L15L16
2SC3624A -T1L15L16
2SC3624A
-T1L15L16
2SC3624A
-T1L15L16
2SA812-T1-M5M6
DTC114EKA-T146
DTC114EKA-T146
DTC114EKA-T146
DTA114EKA-T146
2SC3624A
-T1L15L16
2SC3624A
-T1L15L16
RT1P137L-TP
DTC114EKA-T146
47
16V
2SB1116-TP-LK
2SC2001-TP-LK
DTC114EKA
-T146
DTC114EKA
-T146
DTC114EKA
-T146
2SB1116-TP-LK2SB1116-TP-LK
PT8300R-TP
2SC1623-T1-L5L6
25V
10EDB40-TB3
9P
D5SBA20
50V
50V
22
C232
50V
22
C231
50V
NJM4580V(TE2)
1SS355
TE-17
**
*
*
*
*
*
*
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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http://www.xiaoyu163.com

1414
DXA-WZ8D
–TC MAIN Board (2/2) –
5.6
6.2
0
14.6
6.2
0.9
0.7
AEP,UK,RU KR,THAUSE2,E3,E15,MY,SP,PH
TH
34 35 36
C
SL SR
E
TC MAIN BOARD (2 / 2)
SURR R
+
-
SURR L
FRONT R
FRONT L
CENTER
SPEAKER
Q401,403
+
-
+
-
+
-
+
-
D
TC MAIN
HCD-WZ8DHCD-WZ8D
C CH
MUTE
PROTECT
SR CH
PRE GND
SL CH
C
SURROUND AMP
(Page 18)
CN701
BOARD
TO
1
6
SURROUND AMP
(Page 18)
CN701
BOARD
TO
FRONT AMP
(Page 16)
CN502
BOARD
TO
FRONT AMP
(Page 16)
CN501
BOARD
TO
*
*
*
R406, 411, 412
22(AEP, UK, RU)
82(EXCEPT AEP, UK, RU)
*
T4AL/250V
EA
T6.3AL/250V
C209
C207
C205
C201
R432
R433
L404
R428
L403
R427
C414
0.01
C412
0.01
C413
0.01
C415
0.01
R414
R405 47K
R419
R401
R403
C211
R217
R221
R220
C206
C210
C208
R219
R218
IC201
R209
C216
R207
R202
R410
R206
R205
C202
C203
C402 C407
C405 C408
R411
R422
R413 R415
R216
R210
R211
R212
CN204
R423
NO1
D911
Q601
C603
R601
L601
100uH
C601
C602
JW610
F601
JW602
JW612 JW611
JW604
JW603
S601
CN604
NO802
D201
D202
C204
Q204
Q206
D208D205
D207
Q209
R213
Q211
Q212
Q203
Q202
Q205
D204
D209
CN205
NO809 19P
D402
D404
Q403
RY402
RY401
NO702
R417
CN206
JW101
CN605
CN602
RY601
TM401
220
10V
10
50V
100
10V
C605
47
16V
10
50V
1k 10k
68k
R402 47k
R404 68k 47k
4.7
50V
22k
4.7k
47k
0.01
47
16V
0.01
22k
100
RT8H015C
100
0.01
4.7k
2.2k
100k
10k
22k
10
50V
10
50V
47k
22k 22k
220k
1k
1k
1k
3P
47k
47k
WIRE
1SS355
2SC1623
0.01
4.7k
0.1
0.1
2P
7P
1SS355
TE-17 1SS355
TE-17
10
50V
DTA114EKA
-T146 Q213
DTC114EKA-T146
FAN CONTROL
DTC114EKA
-T146
10EDB4010EDB40
10EDB40
2SD2525(TP)
0
2SC1623
-T1-L5L6 2SC1623
-T1-L5L6
2SC1623
-T1-L5L6
2SC1623
-T1-L5L6
2SC1623
-TI-L5L6
UDZSTE-1713B
D203
UDZSTE-176.2B
1SS355
1SS355
1SS355
2SC3624A
Q401
2SC1623
RELAY
12V
R408
R409
R412
D403
2.2k
R421
47k
R420
R425
47k
10k
1SS355
R406
D401
1SS355
8P CN401 7P
4.7k
20P
2P
10 1/2W
10 1/2W
10 1/2W
10 1/2W
10 1/2W
10 1/2W 0.1 0.1
10 1/2W 0.1 0.1
10 1/2W 0.1 0.1
10 1/2W 0.1 0.1
10 1/2W 0.1 0.1
R434
L405
R429 C406 C410
R430
L402
R426 C403 C411
R431
L401
R424 C404 C409
EP401
2
2
2
22
2
2
2
2
EP601
*
**
*
*
*
*
*
*
*
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

1515
DXA-WZ8D
4-4. Printed Wiring Board – FRONT AMP Board –
IC501
FRONT AMP BOARD
TC MAIN TC MAIN
12
• : Uses unleaded solder.
• Semiconductor
Location
Ref. No. Location
D501 D-3
D504 A-1
D505 A-1
D521 C-2
D532 D-2
D571 C-2
IC501 A-2
Q501 C-4
Q521 B-2
Q533 C-2
Q534 D-3
Q535 D-3
Q536 C-3
Q537 C-3
Q551 C-4
Q571 B-2
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

1616
DXA-WZ8D
4-5. Schematic Diagram – FRONT AMP Board –
-51
52
-52
-53
-30.5
-16.7
16.7
30.5
53
-52
-51.6
30.5
29.9
30.2
0.6
-52
,RU
EXCEPT AEP,UK,RU
FRONT AMP BOARD
TC MAIN
TC MAIN
R510
R524
R574
C502
C552
R501
R502
R504
R505
R523
R555
R573
R526
R539
R543
R545
R547
R548
R551
R552
R554
R535
R537
R500
R540
R576
C571
C572
R571 R521
C522 C521
IC501
C508
R530
TH531 R534
R542
R525
R575
R503
R553
R507
R557
D504
D505
JR501
R546
R541
R544
Q533
CN502
CN501
R572
C551
10
Q551
Q501
C501
10
R506
EP501
C503
C553
R556
C554 C504
D571
D521
D501
Q571
Q521
C531
22 22
C532
C533
47 47
C534
D532
Q537
Q535
Q534
R522
Q536
R531
33k
10
1/2W
10
1/2W
470p C505
0.01
470p
2.2k
100k
1k
47k
47k
47k
47k
15k
33k
68k
2.2k
2.2k
2.2k
2.2k
100k
1k
100
1/4W
FR
100
1/4W
FR
10k
100k
15k
100000p
100000p
1k 1k
100000p 100000p
0.001
100 22k
100k
150k
150k
10k
10k
10k
10k
UDZSTE-1713B
UDZSTE-1713B
47k
47k
100k
2SC2713G
8P
7P
0.22
50V
2SC3624A
2SC3624A
50V
16V
16V
0
220p 220p
1SS355
1SS355
1SS355
2SC1841
2SC1841
100V 100V
50V 100V
1SS355 2SC1623
2SC1623
2SC1623
0.22
2SA1163G
1
1/4W
RF
R506, 556
110 (AEP, UK, RU)
120 (EXCEPT AEP, UK, RU)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

1717
DXA-WZ8D
4-6. PrintedWiring Board – SURROUND AMP Board – • : Uses unleaded solder.
IC701
• Semiconductor
Location
Ref. No. Location
D711 C-3
D741 B-3
D742 B-3
D761 C-3
IC701 A-1
Q701 A-3
Q711 C-3
Q731 A-3
Q741 C-3
Q751 A-3
Q761 C-3
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

1818
DXA-WZ8D
4-7. Schematic Diagram – SURROUND AMP Board –
C702
C704
C712
C713
C732
C733
C734
C742
C743
C752
C754
C762
C763
C771
D711
D741
D742
D761
Q701
Q731
Q751
R701
R702
R703
R704
R705
R711
R712
R713
R714
R715
R716
R731
R732
R733
R734
R735
R741
R742
R743
R744
R745
R752
R753
R754
R755
R761
R762
R763
R764
R765 R766
R773
C701
C703
C708 C709
C731
C751
C753
R700
R706
R756
R736
CN701
IC701
EP701
R751
NO703
Q711
Q761
R746
Q741
R774
1SS355
1SS355
1SS355
1SS355
2SC3624A
2SC3624A
2SC3624A
0.1
0.1
0.1
0.1
100k
1k
1k
47k
47k
15k
1k
2.2k
100k
1k
1k
47k
47k
15k
1k
100k
100k
1k
1k
47k
47k
15k
1k
0.22 2W
100k 10
1/2W
22
50V
47
50V
47
50V
47
50V
100p
100p 100p
470p
470p
470p
2.2k
100k
10
1/2W
0.1
0.1
10 50V
10 50V
10 50V
0.22 2W
0.22 2W
10k
10k
0.01 0.001
680
6P
STK403-240
7P
2SC2785TP
2SC2785TP
10
2SC2785TP
100
1/4W
2.2k
680
680
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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http://www.xiaoyu163.com

SECTION 5
EXPLODEDVIEWS
NOTE:
•-XX, -X mean standardized parts, so they may
have some differences from the original one.
•Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
• Hardware(# mark) listand accessories and packing
materials are given in the last of this parts list.
•The mechanical parts with no reference number
in the exploded views are not supplied.
•Abbreviation
AUS:Australian model
E2 : 120V AC area in E model
E3 : 240V AC area in E model
E15 : 220-240V AC area in E model
EA : Saudi Arabia model
KR : Korean model
MY : Malaysia model
PH : Philippines model
19
DXA-WZ8D
The components identified by mark 0or
dotted line with mark 0are critical for safety.
Replace only with part number specified.
RU : Russian model
SP : Singapore model
TH : Thai model
5-1. Front Panel Section
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
a
a
c
c
b
b
9
22
22
10
10 23
13
13
13
23
13
11
1516
19 20
19
12 1417
18
21
not supplied
not
supplied
not
supplied
not
supplied
d
d
6
chassis section
13
4
5
7
8
2
mechanism deck section
#1
#4 #3
#1
#1
014-244-459-01 SPRING (LID)
2X-4955-418-2 LID (TC) ASSY
34-244-977-01 SPRING (LID-R)
4X-4955-284-1 HOLDER (A) ASSY
54-244-454-01 SPRING (HOLDER A)
61-769-985-11 WIRE (FLAT TYPE)(13CORE)
7X-4955-285-1 HOLDER (B) ASSY
84-244-455-01 SPRING (HOLDER B)
94-244-442-01 PANEL (TC), FRONT
10 4-224-104-11 DAMPER
11 4-244-443-01 BUTTON (A)
12 4-244-444-01 BUTTON (B)
13 4-951-620-01 SCREW (2.6X8), +BVTP
14 4-244-450-01 HOLDER (LOCK)
15 4-244-448-01 LEVER (L)
16 4-244-447-01 LEVER (C)
17 4-244-449-01 LEVER (R)
18 4-244-446-01 BASE (LOCK)
19 3-363-099-11 SCREW (CASE 3 TP2)
20 4-244-441-11 CASE
21 4-245-758-01 PLATE (HEAD), SHIELD
22 4-959-229-11 DETENT, CASSETTE
23 3-378-109-12 CUSHION, SARANET
#1 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
#3 7-685-862-09 SCREW +BVTT 2.6X6 (S)
#4 7-685-853-04 SCREW +BVTT 2X6 (S)
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4 2
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

20
DXA-WZ8D
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
a
a
not supplied
not supplied
not supplied
not
supplied
not
supplied
not
supplied
not
supplied
not supplie
d
not
supplied
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#2
#2
#1
#1
not supplied
51
52
53
53
58
58
60
58 58
58
55
56
59
61
54
F105
F106
F601
F101
T302
FAN301
F102
F103
F104
51 A-4732-224-A FRONT AMP BOARD, COMPLETE (AEP, UK, RU)
51 A-4732-234-A FRONT AMP BOARD, COMPLETE
(E2, E3, E15, EA, MY, SP, PH)
51 A-4732-264-A FRONT AMP BOARD, COMPLETE (AUS)
51 A-4734-574-A FRONT AMP BOARD, COMPLETE (KR)
51 A-4734-588-A FRONT AMP BOARD, COMPLETE (TH)
52 A-4732-219-A TC MAIN BOARD, COMPLETE (AEP, UK, RU)
52 A-4732-230-A TC MAIN BOARD, COMPLETE (E2)
52 A-4732-246-A TC MAIN BOARD, COMPLETE
(E3, E15, MY, SP, PH)
52 A-4732-255-A TC MAIN BOARD, COMPLETE (EA)
52 A-4732-261-A TC MAIN BOARD, COMPLETE (AUS)
52 A-4734-571-A TC MAIN BOARD, COMPLETE (KR)
52 A-4734-583-A TC MAIN BOARD, COMPLETE (TH)
53 4-900-386-01 SCREW
54 3-703-571-11 BUSHING (S)(4516), CORD (E2, E3, E15)
*54 3-703-244-00 BUSHING (2104), CORD
(EXCEPT E2, E3, E15)
055 1-468-737-11 POWER, SWITCHING
056 1-769-079-12 CORD, POWER (KR)
056 1-775-786-41 CORD, POWER (UK)
056 1-775-790-51 CORD, POWER (AUS)
056 1-777-071-63 CORD, POWER (AEP, RU, EA, MY, SP, PH)
056 1-824-818-11 CORD, POWER (WITH CONNECTOR)(TH)
056 1-827-226-21 CORD, POWER (E2, E3, E15)
58 3-970-608-01 SUMITITE (B3), +BV
59 1-500-386-11 FILTER, CLAMP (FERRITE CORE)
60 A-4732-226-A SURROUND AMP BOARD, COMPLETE
(AEP, UK, RU)
60 A-4732-236-A SURROUND AMP BOARD, COMPLETE
(E2, E3, E15, EA, MY, SP, PH)
60 A-4732-266-A SURROUND AMP BOARD, COMPLETE (AUS)
60 A-4734-576-A SURROUND AMP BOARD, COMPLETE (KR)
60 A-4734-591-A SURROUND AMP BOARD, COMPLETE (TH)
61 4-225-252-01 CUSHION (FOOT)
0F101 1-533-473-11 FUSE, GLASS TUBE (DIA. 5) T6.3AL/250V
0F102 1-533-473-11 FUSE, GLASS TUBE (DIA. 5) T6.3AL/250V
0F103 1-533-473-11 FUSE, GLASS TUBE (DIA. 5) T6.3AL/250V
0F104 1-533-473-11 FUSE, GLASS TUBE (DIA. 5) T6.3AL/250V
0F105 1-533-471-11 FUSE, GLASS TUBE (DIA. 4) T5AL/250V
0F106 1-533-472-11 FUSE, GLASS TUBE (DIA. 5) T5AL/250V
0F601 1-533-471-11 FUSE, GLASS TUBE (DIA. 5) T4AL/250V
(E2, E3, E15, MY, SP, PH)
0F601 1-533-473-11 FUSE, GLASS TUBE (DIA. 5) T6.3AL/250V (EA)
0T302 1-439-643-11 TRANSFORMER, POWER (EA)
0T302 1-439-644-11 TRANSFORMER, POWER
(E2, E3, E15, MY, SP, KR, TH, PH, AUS)
0T302 1-439-645-11 TRANSFORMER, POWER (AEP, UK, RU)
FAN301 1-763-488-31 FAN, DC
#1 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
#2 7-685-650-79 SCREW +BVTP 3X16TYPE2 IT-3
The components identified by mark 0or
dotted line with mark 0are critical for safety.
Replace only with part number specified.
5-2. Chassis Section
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com