Main Section - Aiwa CX-LEM330 Service Manual

Q Q
— MAIN SECTION —
3 7 6 3 1 5 1 5 0
J303
L
MD
R R-CH
CD
CD SERVO A
Section
FM/AM TUNER PACK
FM 75Ω
FM ANT TU LCH
COAXIAL
TU RCH R-CH
ANT GND
ANTENNA
TU DI
AM ANT
TU DO
CLK
AM
TU CL
ANT GND
TU CE
TUNED
TUNED
STEREO
STEREO
TU-MUTING
MUTE
RDS DATA
RDS DATA
RDS CLOCK
RDS CLOCK
L-CH
R-CH R-CH
HRPE301
(REC/PB/ERASE)
ERASE
REC/PB
SWITCH
Q326 – 332
T E
L 1 3 9 4 2 2 9 6 5 1 3
TAPE MECHANISM
DECK BLOCK
CAPSTAN/REEL
MOTOR 10V
M M
MOTOR DRIVE 78 TA MO
Q804, 805
(CAPSTAN/REEL)
PLUNGER
SOL 10V
DRIVE 81 TA SOL
Q802, 803
(DECK-A)
PACK
R RFC 24 TA-SW
PLAY SW 68 TA PLAY SW
END SW 67 TA END SW
S1 – 16
FL801
FLUORESCENT
INDICATOR TUBE
G1 – G12
REMOTE CONTROL
RECEIVER 29 RMC_IN
w w w
IC802
.
19 AUX-L
OUT-L 18
21 CD-L
23 TUNER-L
DO
INPUT SELECT,
DI
ELECTRICAL VOLUME
IC302
CE
REC-O-L 28
2 TAPE-L
CONT
13
REC BIAS
B +10V
SWITCH
Q346 – 348
BIAS OSC
BIAS OSC
T301
Q344, 345
X801
32.768kHz
76 75 74 73 71 70 25 26 77 79 80 28 13
SYSTEM CONTROLLER
IC801 (2/2)
88 87
LED DRIVE LED DRIVE
Q808 Q809
(CD LID OPEN/CLOSE DETECT)
D811 D814
(STANDBY)
i-Bass
VOLUME
S801 – 815
(FRONT PANEL KEYS)
x a o
y
i
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8
POWER
AMP
IC501
8 +INA OUTA 3
R-CH 13 +INB OUTB 11
+
14 6 11
+
DC
DETECT
Q342, 343
D307
+
AC
DETECT
Q333, 338
Q Q
3 7 6 3
+1.5V
X802
CD +1.5V
REGULATOR
10MHz
IC303
12 16 15 82 83 84 18
D +3.3V
M +7V
CD ON 94
SYS +3.3V
VM +10V
S820
SYS +3.1V
SYS +3.2V
66 CD OPEN
I_POWER_DOWN 23
RESET SWITCH
RESET 11
ROTARY
Q801
ENCODER 22 VOL_ENCODER
RV801
POWER ON 85
KEY0,
KEY1
u 1 6 3
.
17 17
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2 4
9 9 8
J301
PHONES
• R-ch is omitted due to same as L-ch.
• Signal Path
+
J302
L
–
SPEAKER
IMPEDANCE
+
USE 6 – 16Ω
R
–
M301
D319 (FAN)
FAN MOTOR
DRIVE
Q349, 350
D388
D920, 921
AMP B+
D918, 919
1 5 1 5 0 TO 8 9 2 4
POWER AMP
AMP B–
D916, 917
AC 3.6V
TO
FLUORESCENT
–30V
INDICATOR TUBE
FL –30V REGULATOR
Q334 – 337
+3.3V
REGULATOR
Q317
D320 D312, 313
B+ SWITCH
Q319, 320
+3.3V
REGULATOR
D304
+10V
REGULATOR
D911-914
IC305
D809
D810
+3.9V
REGULATOR
D907 – 910
Q312 – 314
VOLTAGE D922, 923
DETECT
IC803
m
c o
CX-LEM330
2
9 9
: TUNER
: CD PLAY
: TAPE PLAY
: REC
: AUX IN
MAIN POWER
TRANSFORMER
T902
RECT
9 8 2 9 9
RECT
D905
RECT
(EXCEPT MX,SP,TW,
AR,E51,AUS)
RECT
(SP, AR,E51)
RY901
SUB POWER
VOLTAGE
TRANSFORMER
SELECTOR
T901
S901
RECT
(AC IN)
(EXCEPT MX,SP,TW,
AR,E51,AUS)
MAIN POWER
RELAY DRIVE
Q311, 315