Block Diagrams - Main Section - Sony DXA-WZ5 Service Manual

4-1. Block Diagrams – Main Section –
TAPE DECK
BLOCK
A SHUT
B SHUT
IC301
IC303
PB L
5 6
2
7
1
5
PB R R-CH
7
BIAS 8
16
CNT BIAS
REC L
REC R R-CH
REC SWITCH REC CONT
Q312,314 Q308-310
PB SWITCH PB CONT
Q303 Q306,307
Q301 Q305
BIAS BIAS
T301
SWITCH CONT
BIAS
E HOT
BIAS
GND OSC
Q304
A PLAY
B PLAY
A HALF
B HALF
REC(FWD)
REC (REW)
Q353,356
MOTOR
CAP M+
DRIVE
A T SOL
A TRG
Q351,355
B T SOL
B TRG
Q352,354
HCD-WZ5
A SHUT
B SHUT
PB-L
R-CH PB-R
R-CH REC-R
REC-L
AMP+9V AMP+9V
I/O EXPANDER
IC251
23 A/B DO 25 I/O EXP DATA OUT
22 REC/PB DI 26 I/O EXP DATA IN
CLK 3 I/O EXP CLK
BIAS LATCH 4 I/O EXP LAT
21
A TRG
B TRG
IC201
A PLAY
5 1
PROTECT 11 3 PROTECTOR
9 B PLAY 4
A HALF
6
8 B HALF
7 REC(FWD)
10 REC(REW) FR RY 20
PWR RY 17
CAP-M
24
POWER AMP
IC501
9
FRONT-L 14
15
MUTE
8
FRONT-R
Q501
12
Q521
Q204,206
PROTECT
MUTE
DETECTOR
STK MUTE
CONT
Q536,537 Q536,537
MUTE MUTE
STK MUTE
CONT Q533
Q534,535
OVER HEAT
DETECTOR
D501
DBFB FB
Q202
PROTECT
SWITCH
M+9V
UNREG
EVER +4V
D251
CN CHECK
IC251
VCC
11 11
L
Q403 RY402
RELAY TM402
DRIVE
SPEAKER
R-CH R-CH
D402
R
+VL
Q209,211,212
FAN
FAN301
DRIVE
TH531
+VH
-VH
+VL
-VL
Q203,205
AC
DET
IC302
D301
+9V
M+9V 3 1
REG
Q101
+3.3V
D+3.3V
REG
DXA-WZ5
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
: CD
: PB (TAPE)
: REC (TAPE)
MAIN TRANS
D102 AC1
E2, E3
AC1
S601
VOLTAGE
SELECTOR AUS
D101
AC2
JW603
KR
JW603
AC2
AEP, UK, TW
D201
JW603
D202
AC
IN
D103 AC3
AC3
RY601
Q601
RELAY
DRIVE
EVER+4V
SWITCHING
REGULATOR