2-3
7
TO 3CD DECK
IF
+9V
ENCODE VOLUME
REMOTE RECEIVER
SC6122
KEY BOARD SECTION
VFD
H CASSETTE A
L CASSETTE B
REC-E
H-PLAY
L-REC
+9V
JOB-A
JOB-B
CLK
DATA
STB
KEY2
R
CH
L CH
R CH
L CH
CK
DATA
STB
+9V
R823
10K
R831
10K
R CH
L CH
R CH
L CH
EN500
4
5
3
2
1
S501
CD 2
AUX INPUT
E
D A
B
C
F LD
LIMIT SW
D803
IN4001
Q812
8050
Q813
8050
+VC
-VC
FOO
TRO
DMO
FMO
+9V
F-
T-
T+
F+
CN402
TO CD DECK
DM+
DM-
FM-
FM+
SLT
+5V
Q862
8550
R862
10K
R877
22K
Q867
8050
AC 3.3V
ECO
POWER ON
ECO LOGIC LOW LEVEL
+12V
CE803
TR801
Q822
8050
Q809
8050
CE868
10UF/25V
R841
10K
R842 10K
R814 10K
+6V
AC12
AC11
AC10
AC9
AC8
AC7
AC6
AC5
+VC
-VC
+12V
+9V
SW1
SW2
R232 10K
ML-
R233 10K
EMIT
M-
M+ R242 10K
R241 10K
IN2
IN2
IN1
IN1
+9V
AC3
AC4
9
10
TRANSFORMER
T802
C801
L803
F804
AC PLUG
86
5
4
3
2
1
1
1
RL802
CN204
MO+
MO-
CATH
EMIT
+5V
RL+
RL-
SW2
GND
SW2
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
1
2
3
4
5
6
KEY1
!
!
!
U500 SC6311
VFD CONTROL / DRIVER
KEY SCAN
FILAMENT
AC3.3V
STANDBY LED
LED500
R503
680R
GVSW
CDRW GAIN CONTROL
PICKUP
U402 TA2153
RF AMPLIFIER
RF
RFRP
RFCT FEO
+5V
+5V
U203 TA7291S
BRIDGE DRIVER
U202 TA7291S
BRIDGE DRIVER
ML+
3CD CHANGER DRIVER SECTION
U403 TA2092N
DIGITAL SERVO DRIVER
U401 TC9462
DIGITAL SERVO
1BIT D/A CONVERTER
+5V
VCC
DATA AND CONTROL BUS
CPU
87EP26F-4K76
U101
TA8189
4CH Pre+Rec
AMP with ALC
D849 - D852
T4.0AL250V
0.01U/250V
T06910A
D806 - D809
L7809CV
Q803
D845 IN4001
100UP / 50V
HEAD PHONE
BIAS OSC R/P SWITCH
INVERTER CIRCUIT
LOGIC DECK-TP
88 MHz - 108 MHz
Filter (B/EV)
Tuner Pad (E/EN)
IC602
TA2099N (E/EN)
TA2149BFN (B/EV)
IC 600
TC9257 PLL
REC SIGNAL OUTPUT
U201 TC9422F
SYSTEM ELECTRONIC VOLUME
(Tone control input
selector main volume)
SYS_MUTE
IC801 STK402-050
LOW LOGIC DETECT
PROTECT ENABLE
Q860, Q861, Q864, Q865
GRID VOLTAGE -27V
U803
L7806CV
D810 - D814
FILAMENT VOLTAGE
+6V TO CPU
WHEN USE HEADPHONE
THE CONTROL VOLTAGE
IS LOGIC LOW LEVEL
PROTECT
ENABLE
OVERLOAD
DETECT
for MX-KB1
Block diagram
Содержание CA-MXKB22
Страница 16: ...1 16 No MB306 Fig 23 Fig 24 f Front panel assembly N N Front panel assembly ...
Страница 33: ... No MB306 1 33 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...
Страница 42: ...2 6 TC9462F U401 TO PICK UP TO CD DECK CD section MX KB22 TO MCU ...
Страница 43: ...2 7 CD section MX KB1 TC9462F U401 TOMCU TO MCU ...
Страница 45: ...2 9 PROTECT CIRCUIT Power section MX KB22 AMP STK402 050 METAL FILM RESISTORS NONFLAME FUSIBLE AC PLUG ...
Страница 46: ...2 10 PROTECT CIRCUIT Power section MX KB1 AMP STK402 050 METAL FILM RESISTORS NONFLAME FUSIBLE AC PLUG ...
Страница 52: ...2 16 Main board forward side reverse side Printed circuit boards ...
Страница 53: ...2 17 Display board forward side reverse side Power board forward side reverse side ...
Страница 55: ...2 19 Speaker jack board Headphone board forward side reverse side ...
Страница 71: ...3 15 MEMO ...