Block Diagram - Main Section - Aiwa CX-JDS20 Service Manual

CX-JDS20/JDS50
6-1. BLOCK DIAGRAM – MAIN SECTION –
J552
AUDIO IN
R-CH
TUNER PACK
+9V +Vcc
L-CH
R-CH R-CH
DO
DI
CLK
CE
TUNED
STEREO
TU-MUTE
RDSDATA
RDSINT
RU
DECK BLOCK
L-CH
REC/PB
HEAD
R-CH
R-CH L501
Q505,506
BIAS OSC
BIAS
OSC
ERASE Q507-510
HEAD
BIAS
VM
SWITCH
(+10V)
3CD MECHA
I CD_CSW3
I CD_CSW1
SW7 (CHACK)
I CD_CSW2
SW6 (CLOSE)
SW5 (STOC)
SW8 (OPEN)
Q629,631
+M1
MOTOR
DRIVE
M1 M
Q627,628
–M1
MOTOR
DRIVE
Q623,624
+M2
MOTOR
DRIVE
M2 M
Q621,622
–M2
MOTOR
DRIVE
L OUT
A
R OUT R-CH
BD SECTION
Q619,620,625,626
CD
MOTOR
CONTROL
DC 7V EXCEPT AEP
J553
IC551
MIC 1 2 MIC AMP
3
VR501
1
7
J554
5 6
MIC 2
MECHA BLOCK
JDS20
JDS50
PLAY
R REC
F REC
PACK
END
Q607,611
MOTOR
DRIVE
DECK
M
MOTOR Q604,612
T SOL
DRIVE
CX-JDS20/JDS50
SELECTOR
AUX-L
31
B1
33
2 PBIP
35 C1
40 REC10
8 VOL1
SYSTEM CONTROLLER
IC604 (1/2) 9 VOL2
43 P53 P60/CTS0 38 18 SD
42 P54
40 P56 P57/CLKOUT 39 19 SC
26 P74
27
P73/CT52
23 P77
44 P52
18 P84/INT2
Q502-504
Q501 P80 22
REC/PB
+VL
SWITCH
P01/AN01 87
25 P75 IC601
LCD DRIVER
P63/TXD0 35 7 DINV SEG1
LCD
P61/CLK0 37 8 CLK
SEG19
P62/RXD0 36 9 STB
-VFL 30
VEE GR1
+3.3V 13 VDD
P16/INT4 74 GR9
43 VDD
D155
P76 S611-619
24
FUNCTION
59 P107/AN7 89
P33
KEY
58 P34
S621-629
57 P35
FUNCTION
56 P106/AN6 90
P36
KEY
55 P37
S601-609
54 P40
FUNCTION
P105/AN5 91
53 P41 KEY
S651
50 P44
RTRY
P101/AN1 95
AMS
S652
51 P43
RTRY
P100/AN0 97
VOLUME
Q614
LED607
LED
48 P46
P51 45 STAND BY
DRIVE
49
P45
Q613
10 XC IN
LED608
X601
LED
P42 52 i-BASS
32.768kHz DRIVE
11 XC OUT
15 X IN
X602
16MHz
13 X OUT
Q608-610,615-617
47 P47
P02/AN02 86
LED601-606
LED
DRIVE
P07/AN07
81
Q618, Q630
LED
P00/AN00 88
CONTROL
Q551,552
MIC
OVERLOAD
DET
P81 21
IC602
REMOTE
P90 7 1 CONTROL 3
RECEIVER
2 P95
uCON +B
3 P94
4 P93
5 P92 P82/INT12 20
Q606 IC603
94 P102/AN2
RESET
RES 3 RESET
12
SWITCH
100 P97
1 P96
IC301 (IC201)
POWER AMP
IC401
LO+ 4
OUT-L 11 LI+ 5
28 LO-
Q301
LO+ 8
OUT-R R-CH (Q201)
27
14 LI+
9
LO- OVERLOAD
13 16 3 4
JDS50 DET
JDS50
Q264,265
R-CH
VOLTAGE
Q401,403
CONTROL
BB1 26
TH361
BB1 25 BASS-AGC (TH261)
CONTROL
BB2 24
BB2 23
+VL –VL Q362
(Q262)
THERMAL
DET
Q303,305,306
Q263
(Q203,205,206)
VOLTAGE
MUTE
SHIFT
Q366,367
CONTROL
(Q266,267)
JDS50
AMP
Q361(Q261)
PROTECT
AMP
CONTROL
Q151-153
D158
PROTECT
DET
14
29
31
FL601
33
LCD
42
34
Q874
FAN CURENT
DETECT
D156
D153
+VH
-VH
+VL
VM (+10V)
-VL
VM
(+10V)
TU9V
CD 7V
D119-117,214
IC102
3.3V
D VDD(3.3V)
REG
A VDD(3.3V)
MP3VD
IC605
D602
+3.3V V STBY
4 5
REG
Q605
SWITCH
1
22 22
R-CH
J551
PHONES
RY171
L
J171
SPEAKER
R-CH
R
• R-CH is omitted due to same as L-CH.
• Signal Path
Q871-873
: TUNER
FAN FAN
DRIVE
R-CH
: CD
VM
: AUX
: PB (TAPE)
: REC (TAPE)
: MIC
• ( ) Ref.No : JDS50
D155
D157
D152
D154
D101
D102
PT002
POWER TRANSFORMER
FL1
FL2
IC101
10V
2 1
REG
Q801,803
D114
+9V
REG
D111
Q101
Q102
D112
-VFL -27V
RELAY
D116 (-27V) REG
DRIVE
POWER
D001,002 TRANSFORMER
D003
RY002
E51
PT902
SW901
(SUB)
VOLTAGE
SELECTOR
AC IN
EXCEPT E51