Block Diagram - Main Section - Aiwa CX-JDS55 Service Manual

6-2. 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
DECK BLOCK
L-CH
REC/PB
HEAD R-CH
L501 Q505,506
BIAS OSC
R-CH
BIAS
OSC
ERASE Q507-510
HEAD
BIAS
SWITCH
3CD MECHA
I CD_CSW3
I CD_CSW1
SW7 (CHACK)
I CD_CSW2
SW6 (CLOSE)
SW5 (STOC)
SW8 (OPEN)
Q629,631
+M1
MOTOR
DRIVE
M
M1
Q627,628
–M1
MOTOR
DRIVE
Q623,624
+M2
MOTOR
DRIVE
M
M2
Q621,622
–M2
MOTOR
DRIVE
L OUT
A
R OUT R-CH
BD SECTION
Q619,620,625,626,632
(Page 22)
CD
MOTOR
CONTROL
DC 7V
J553
MIC 1
2
3
VR501
1
J554
5
MIC 2
MECHA BLOCK
PLAY
R REC
F REC
PACK
END
Q607,611
MOTOR
DRIVE
DECK
M
MOTOR Q604,612
T SOL
DRIVE
CX-JDS55
SYSTEM CONTROLLER
IC604 (1/2)
43 38
P53 P60/CTS0
42 P54 39
P57/CLKOUT
40 P56
26 P74
27 P73/CT52
23
P77
P80 22
Q502-504
Q501
REC/PB
+VL
SWITCH
P01/AN01 87
25 P75
P63/TXD0 35
P61/CLK0 37
P62/RXD0 36
-VFL
+3.3V
P16/INT4 74
VM
(+10V)
D155
24 P76 S611-619
FUNCTION
59 P33 P107/AN7 89
58
P34
S621-629
57 P35
FUNCTION
56 P36 P106/AN6 90
55 P37
S601-609
54 P40
FUNCTION
P105/AN5 91
53
P41
50 P44
P101/AN1 95
51 P43
97
P100/AN0
Q614
LED
48 P46 45
P51
CONTROL
49 P45
Q613
10 XC IN
X601 LED
P42 52
32.768kHz
CONTROL
11 XC OUT
15
X IN
X602
16MHz
13 X OUT
Q608-610,615-617
47 P47
P02/AN02 86
LED
DRIVE
P07/AN07 81
P00/AN00 88
IC551
MIC AMP
MODEL
92 P104/AN4
7 SUFFIX
P103/AN2
93
Q551,552
MIC
OVERLOAD
DET
6
P81 21
75 P15/INT3
P90
7
2 P95
4 P93
20
5 P92 P82/INT12
Q606
94 P102/AN2
RESET
RES 12
SWITCH
100 P97
1 P96
6 P91
IC201
POWER AMP
+VH +VCC
13
1 +VH
-VH -VCC
12
6 -VH
SELECTOR
IC401
LO+ 8
31 AUX-L OUT-L 28 14 LI+ LO- 9
16 3 4
33 B1 OUT-R 27 R-CH
2 PBIP
Q264, Q265
35 C1 VOLTAGE
CONTROL
40 REC10
Q401,403
8 +VL -VL
VOL1
BB1 26
9 BB1 25
VOL2 BASS-AGC
CONTROL
BB2 24
TH261
BB2 23
18 SD
Q263
Q262
VOLTAGE
THERMAL
19 SC
SHIFT
DET
Q203 - 206
MUTE
CONTROL
Q261
AMP
CONTROL
Q151-153
IC601
PROTECT
LCD DRIVER
DET
14
SEG1
7 DINV LCD
29
8 CLK
SEG19 31
9 STB FL601
33
LCD
30 VEE GR1
42
13 VDD
GR9
43 VDD 34
KEY
Q874
FAN CURENT
DETECT
KEY
KEY
S651
RTRY
AMS
S652
RTRY
VOLUME
LED607
STAND BY
LED608
i-BASS
LED601-606
Q618, Q630
LED
VM (+10V)
CONTROL
CD 7V
D VDD(3.3V)
A VDD(3.3V)
MP3VD
IC602
IC605
D602
REMOTE
V STBY
+3.3V
1 CONTROL 3 4 5
REG
RECEIVER
uCON +B
Q605
SWITCH
IC603 D604
3 RESET 1
23 23
R-CH
J551
PHONES
Q201
OVERLOAD
DET
RY171
R-CH
L
J171
SPEAKER
R-CH
R
• R-CH is omitted due to same as L-CH.
Q266,267
• Signal Path
AMP
PROTECT
Q871-873
D871 D872
M871
FAN FAN
DRIVE
D158
R-CH
VM
D156
D155
D157
D152
D153
D154
D101
+VH
-VH
D102
+VL
-VL
IC101
10V
VM
2 1
REG
(+10V) Q801,803
D115
+9V
TU9V
REG
D119-117,214
D111
IC102
3.3V
Q101
Q102
REG D112
-VFL -27V
RELAY
D116
(-27V) REG
DRIVE
D001,002
D141
D003
CX-JDS55
: TUNER
: CD
: AUX
: PB (TAPE)
: REC (TAPE)
: MIC
PT001 (MX)
PT002 (E51)
POWER TRANSFORMER
FL1
FL2
RY002
E51
PT003 (MX)
PT004 (E51) S001
TRANSFORMER (SUB)
VOLTAGE
SELECTOR
AC IN
MX