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PDF DXA-WZ8D Data sheet ( Hoja de datos )
| Número de pieza | DXA-WZ8D | |
| Descripción | STEREO CASSETTE DECK AMPLIFIER SERVICE MANUAL | |
| Fabricantes | Sony | |
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QQ 376315150 DX89A2-4W98Z289D9
SERVICE MANUAL
AEP Model
Ver 1.0 2003. 06
UK Model
E Model
Australian Model
• DXA-WZ8D is deck and amplifier
section in MHC-WZ8D.
Tape deck
Section
Model Name Using Similar Mechanism DXA-WZ5
Tape Transport Mechanism Type
CWM43RR23
SPECIFICATIONS
Amplifier section
European and Russian models:
TEL 13942296513DIN power output at stereo mode (rated)
75 + 75 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference)
Front speaker:
100 + 100 watts (6 ohms at
1 kHz, 10% THD)
Center speaker:
40 watts (6 ohms at 1 kHz,
10% THD)
Surround speaker:
40 + 40 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference)
Front speaker:
200 + 200 watts (6 ohms at
1 kHz, 10% THD)
Center speaker:
80 watts (6 ohms at 1 kHz,
10% THD)
Surround speaker:
80 + 80 watts (6 ohms at
1 kHz, 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
1 kHz, DIN)
Continuous RMS power output (reference)
Front speaker:
140 + 140 watts (6 ohms at
1 kHz, 10% THD)
Center speaker:
40 watts (6 ohms at 1 kHz, PHONES (stereo mini jack):
QQ 376315150 892498299Surround speaker:
10% THD)
40 + 40 watts (6 ohms at
accepts headphones of
8 ohms or more
1 kHz, 10% THD)
FRONT L/R:
Use only the supplied
Inputs
MD (VIDEO) IN L/R (phono jacks):
Voltage 450 mV/250 mV,
impedance 47 kilohms
MIC (phone jack):
sensitivity 1 mV,
SURROUND L/R:
CENTER:
speaker SS-WZ8/WZ8E
Use only the supplied
speaker SS-RS400/RS410
Use only the supplied
speaker SS-CT400/CT410
impedance 10 kilohms
Tape deck section
Outputs
MD (VIDEO) OUT L/R (phono jacks):
Voltage 250 mV,
impedance 1 kilohms
SUB WOOFER OUT: Voltage 1 V,
Recording system
Frequency response
4-track 2-channel, stereo
50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
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:
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
Y: 1 Vp-p, 75 ohms
PB/CB: 0.7 Vp-p, 75 ohms
PR/CR: 0.7 Vp-p, 75 ohms
— Continued on next page —
www x aoy u163 com. i9-877-416-01 Sony Corporation
STEREO CASSETTE DECK AMPLIFIER
.
2003F1678-1
Home Audio Company
© 2003.06
Published by Sony Engineering Corporation
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1 page  
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SECTION 2
DXA-WZ8D
DISASSEMBLY
QQ 376315150 892498299• The equipment can be removed using the following procedure.
SET
CASE
SWITCHING POWER,
DC FAN
TC MAIN BOARD
FRONT PANEL ASSY
FRONT AMP BOARD,
SURROUND AMP BOARD
TAPE MECHANISM DECK
(CWM43RR23)
LID (TC) ASSY,
HOLDER (A) ASSY,
HOLDER (B) ASSY
TEL 13942296513 QQ 376315150 892498299Note : Follow the disassembly procedure in the numerical order given.
2-1. Case
2 two screws
(case 3 TP2)
4 case
3 three screws
(+BVTP 3 × 8)
1 two screws
(case 3 TP2)
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5
5 Page 
4-1. Block Diagram
QQ 3
7
6
3
1
5
1
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DXA-WZ8D
50
HCD-WZ8D
FRONT-L
FRONT-R
Q501
MUTE
STK MUTE
Q536,537
MUTE
CONT
DBFB FB
REAR-L
REAR-R
Q701
MUTE
POWER AMP
IC501
9
14
15
8
12
Q533
MUTE
D501
IC701
POWER AMP(SL,SR,C)
8
3
9
8924
Q521
PROTECT
DETECTOR
D402 R-CH
+VL
Q534,535
OVER HEAT
DETECTOR
Q531,532
TH
VACS
TH531
Q403
RELAY
DRIVE
RY402
Q213
FAN
CONTROL
Q711
PROTECT
DETECTOR
RY401
98299
TM401(1/2)
SPEAKER
R-CH
Q209,211,212
FAN
DRIVE
FRONT L
FRONT R
FAN301
• R-CH is omitted due to same as L-CH.
• Signal Path
: AUDIO
: PB (TAPE)
: REC (TAPE)
TM401(2/2)
SURR L
R-CH
SURR R
CENTER
Q731
MUTE
13
15
14
RY403
CENTER
TAPE DECK
T E LBLOCK
A SHUT
B SHUT
A TRG
B TRG
Q351,355
SOLENOID
DRIVE
Q352,354
SOLENOID
DRIVE
13942
L-PB
R-PB
R-CH
CNT BIAS
L-REC
R-REC
R-CH
IC301
5
2
1
7
BIAS 8
16
IC303
6
7
5
Q312,314
REC SWITCH
Q308-310
REC CONT
L-PB
R-PB
E HOT
GND
R-CH
Q303
PB SWITCH
T301
BIAS
Q301
BIAS
OSC
Q306,307
PB CONT
A PLAY
B PLAY
A HALF
B HALF
w wREC(FWD)
REC (REW)
CAP M+
Q353,356
MOTOR
DRIVE
w
Q304
BIAS
SWITCH
Q305
BIAS
CONT
.
296513
A SHUT
B SHUT
TA MUTE
Q QQ204,206
MUTE
CONT
A TRG
B TRG
DVD MUTE
R-CH
PB-L
PB-R
M+9V
IC251
I/O EXPANDER
23 A/B
22 REC/PB
21 BIAS
DO2 25
DI 26
CLK 3
LATCH 4
5 A PLAY
PROTECT 11
9 B PLAY
6 A HALF
8 B HALF TH VACS 12
7 REC(FWD) FR RY 20
10 REC(REW) SUR RY 19
x24 CAP-M
PWR RY 17
FAN CNT 18
i
IC201
1
3 PROTECTOR
4
ao
R-CH
AMP+9V
REC-R
REC-L
AMP+9V
DVD AC
I/O EXP DATA OUT
I/O EXP DATA IN
I/O EXP CLK
I/O EXP LAT
DVD AC
UNREG
EVER +4V
CN CHECK
yu1
6
37
3
Q741
PROTECT
DETECTOR
6 3 1D742
5
Q202
PROTECT
SWITCH
IC251
VCC
D251
.c
15
o
Q401
0 8 9 2 4 9 8 2 9 9RELAY
DRIVE
+VH
-VH
+VL
-VL
M+9V
D+3.3V
Q101
+3.3V
REG
Q203,205
AC
DET
IC302
3
+9V
REG
1
D301
D102
D101
D201
T302
POWER
TRANSFORMER
AC1
E2, E3, E15,EA,
MY, SP, PH
AC1 S601
VOLTAGE
SELECTOR AUS
AC2 JW604
KR, TH
AC2 JW603
AEP, UK, RU
JW602
D202
D103 AC3
AC3
Q601
RY601
AC4 RELAY
DRIVE
AC4
EVER+4V
SWITCHING
REGULATOR
m
AC
IN
11 11
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11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet DXA-WZ8D.PDF ] | |
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