Block Diagram - Sony DXA-WZ8D Service Manual

Q Q

4-1. Block Diagram

3 7 6 3 1 5 1 5 0
TAPE DECK
T E
L 1 3 9 4 2 2 9 6 5 1 3
BLOCK
A SHUT
B SHUT
Q351,355
SOLENOID
A TRG
DRIVE
Q352,354
SOLENOID
B TRG
DRIVE
IC301
IC303
L-PB 5
6
2 7
1 5
R-PB R-CH 7
BIAS
8
16
CNT BIAS
L-REC
R-REC R-CH
Q312,314 Q308-310
REC SWITCH REC CONT
Q303 Q306,307
L-PB
PB SWITCH
PB CONT
Q304 Q305
R-PB R-CH
BIAS BIAS
T301
SWITCH CONT
BIAS
E HOT
Q301
BIAS
GND
OSC
A PLAY
B PLAY
A HALF
w w w
B HALF
REC(FWD)
REC (REW)
Q353,356
MOTOR
CAP M+
DRIVE
.
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HCD-WZ8D
A SHUT
B SHUT
A TRG
B TRG
PB-L
R-CH PB-R
R-CH REC-R
REC-L
AMP+9V AMP+9V
IC251
I/O EXPANDER
23 A/B DO2 25 I/O EXP DATA OUT
REC/PB DI 26 I/O EXP DATA IN
22
CLK 3 I/O EXP CLK
21 BIAS LATCH 4 I/O EXP LAT
IC201
5 A PLAY 1
PROTECT 11 3 PROTECTOR
9 B PLAY 4
6 A HALF
8 B HALF TH VACS 12
REC(FWD) FR RY 20
7
x a o u 1 6 3
10 REC(REW) SUR RY 19
y
PWR RY 17
24 CAP-M FAN CNT 18
i
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8
POWER AMP
IC501
9
FRONT-L 14
15
Q501
8
FRONT-R
MUTE
12
Q521
PROTECT
DETECTOR
Q536,537 Q536,537
MUTE Q533
STK MUTE
CONT
MUTE
Q534,535
OVER HEAT
DETECTOR
D501
Q531,532
TH
VACS
DBFB FB
IC701
POWER AMP(SL,SR,C)
8
REAR-L
3
Q701
REAR-R 9
MUTE
Q711
PROTECT
DETECTOR
CENTER 13
15
Q731
14
MUTE
Q741
PROTECT
Q Q
DETECTOR
3 7 6 3 1
Q204,206
MUTE
TA MUTE
CONT D742
DVD MUTE
Q202
PROTECT
SWITCH
M+9V
DVD AC
DVD AC
UNREG
EVER +4V
D251
CN CHECK
IC251
VCC
c o
.
11 11
2 4
9 9 8
TM401(1/2)
SPEAKER
FRONT L
R-CH R-CH
D402
FRONT R
+VL
Q403 RY402
Q209,211,212
RELAY
FAN
DRIVE FAN301
DRIVE
TH531
Q213
FAN
CONTROL
TM401(2/2)
RY401 SURR L
R-CH
SURR R
RY403 CENTER
5 1 5 0 Q401 8 9 2 4 9
RELAY
DRIVE
+VH
-VH
+VL
-VL
Q203,205
AC
DET
IC302
D301
+9V
M+9V 3 1
REG
Q101
+3.3V
D+3.3V
REG
EVER+4V
m
DXA-WZ8D
2
9 9
• R-CH is omitted due to same as L-CH.
• Signal Path
: AUDIO
: PB (TAPE)
: REC (TAPE)
8 2 9 9
T302
POWER
TRANSFORMER
D102 AC1
E2, E3, E15,EA,
MY, SP, PH
AC1
S601
VOLTAGE
SELECTOR AUS
D101
AC2
JW604
KR, TH
JW603
AC2
AEP, UK, RU
D201
JW602
D202
AC
IN
D103 AC3
AC3
Q601 RY601
AC4 RELAY
DRIVE
AC4
SWITCHING
REGULATOR