17
17
CX-LEM550
— MAIN SECTION —
AC
DETECT
Q333, 338
R-CH
+
13
REC/PB
SWITCH
Q326 – 332
R-CH
CD
• Signal Path
: CD PLAY
: TAPE PLAY
: REC
• R-ch is omitted due to same as L-ch.
: TUNER
J303
R
MD
L
: AUX IN
J301
PHONES
SPEAKER
IMPEDANCE
USE 6 – 16
Ω
+
–
–
+
R
L
J302
FM/AM TUNER PACK
TU LCH
TU RCH
TU CE
CE
R-CH
TUNED
TUNED
STEREO
STEREO
MUTE
TU-MUTING
TU DI
DO
TU DO
DI
TU CL
CLK
CE
TUNED
STEREO
DO
DI
CLK
RDS DATA
RDS DATA
RDS CLOCK
RDS CLOCK
BIAS OSC
T301
REC BIAS
SWITCH
Q346 – 348
B +10V
BIAS OSC
Q344, 345
ERASE
HRPE301
(REC/PB/ERASE)
TAPE MECHANISM
DECK BLOCK
L-CH
R-CH
R-CH
DC
DETECT
Q342, 343
+
POWER
AMP
IC501
RDS DATA
RDS CLOCK
TU-MUTING
CAPSTAN/REEL
MOTOR DRIVE
Q804, 805
SWITCH
Q806
PLUNGER
DRIVE
Q802, 803
M M
(CAPSTAN/REEL)
(DECK-A)
SOL 10V
MOTOR 10V
PACK
R RFC
PLAY SW
END SW
(EXCEPT SP, E51)
(EXCEPT SP, E51)
(SP, E51)
FAN MOTOR
DRIVE
Q349, 350
+
D307
D388
D319
–30V
REGULATOR
Q334 – 337
(AC IN)
SUB POWER
TRANSFORMER
T901
MAIN POWER
TRANSFORMER
T902
AC 3.6V
SYS +3.2V
SYS +3.1V
TO
FLUORESCENT
INDICATOR TUBE
FL –30V
RECT
D911-914
D810
D809
D312, 313
D320
D922, 923
D905
RECT
D920, 921
AMP B+
TO
POWER AMP
AMP B–
VOLTAGE
SELECTOR
S901
VM +10V
+3.9V
REGULATOR
Q312 – 314
RECT
D916, 917
RECT
D918, 919
RECT
D907 – 910
SYS +3.3V
AM
ANTENNA
FM ANT
AM ANT
ANT GND
ANT GND
FM 75
Ω
COAXIAL
MAIN POWER
RELAY DRIVE
Q311, 315
+3.3V
REGULATOR
D304
+3.3V
REGULATOR
Q317
M +7V
D +3.3V
CD +1.5V
B+ SWITCH
Q319, 320
88
LED DRIVE
Q808
D811
i-Bass
87
LED DRIVE
Q809
D814
(STANDBY)
X801
32.768kHz
X802
10MHz
FL801
FLUORESCENT
INDICATOR TUBE
43 – 45, 47 – 50,
ROTARY
ENCODER
RV801
VOLUME
S801 – 815
(FRONT PANEL KEYS)
S820
(CD LID OPEN/CLOSE DETECT)
RESET SWITCH
Q801
RY901
14
6
11
SWITCH
Q806
M301
(FAN)
Summary of Contents for CX-LEM550
Page 47: ...47 CX LEM550 MEMO ...