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