2-2
7
TO 3CD DECK
LOGIC DECK-TP
IF
+9V
ENCODE VOLUME
REMOTE RECEIVER
SC6122
KEY BOARD SECTION
REC SIGNAL OUTPUT
PICKUP
VFD
U500 SC6311
VFD CONTROL / DRIVER
KEY SCAN
CPU
H CASSETTE A
L CASSETTE B
REC-E
H-PLAY
L-REC
+9V
JOB-A
JOB-B
CLK
DATA
STB
KEY2
FILAMENT
AC3.3V
STANDBY LED
GVSW
CDRW GAIN CONTROL
+5V
VCC
LED500
R503
680R
L CH
R CH
SDA
REQ
SCL
R CH
L CH
R CH
L CH
R CH
L CH
R CH
L CH
CK
DATA
STB
+9V
R832
10K
R831
10K
EN500
4
5
3
2
1
S501
CD 2
AUX INPUT
+5V
E
D A
B
C
F LD
RF
RFCT
RFPP
FEO
LIMIT SW
D803
IN4001
SYS_MUTE
+VC
-VC
ADDRESS BUS
DATA BUS
VDD 3.3V
VDOT 3.3V
VDD 3.3V
+5V
FOO
TRO
DMO
FMO
+9V
F-
T-
T+
F+
CN402
TO CD DECK
DM+
DM-
FM-
FM+
SLT
+5V
HEADPHONE
+12V
TR801
R842 10K
R814 10K
+6V
AC12
AC11
AC10
AC9
AC8
AC7
AC6
AC5
+VC
-VC
+12V
+9V
SW1
SW2
R232 10K
R233 10K
EMIT
M-
ML-
M+
ML+
R242 10K
R241 10K
IN2
IN1
IN1
+9V
AC3
AC4
9
10
TRANSFORMER
T802
C801
0.01U/250V
L803
F804
AC PLUG
86
5
4
3
2
1
1
1
RL802
CN204
MO+
MO-
CATH
EMIT
+5V
RL+
RL-
SW1
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
!
!
!
for MX-KB22
U402 TA2153
RF AMPLIFIER
U203 TA7291S
BRIDGE DRIVER
U202 TA7291S
BRIDGE DRIVER
3CD CHANGER DRIVER SECTION
U403 TA2092N
DIGITAL SERVO DRIVER
U401 TC9462
DIGITAL SERVO
1 BIT D/A CONVERTER
DATA AND CONTROL BUS
87EP26F-4K76
U101
TA8189
4CH Pre+Rec
AMP with ALC
T4.0AL250V
T06910A
D849 - D852
D806 - D809
L7809CV
Q803
U405 SRAM (SDDJ)
128K X 8 (15ns)
U404 TC94A02F
CD ROM DECODE
MP3 DECODE
D/A CONVERTER
U406
TC74HC14
BIAS OSC R/P SWITCH
INVERTER CIRCUIT
88 MHz - 108 MHz
FILTER
IC602
TA2149BFN
IC601
TC9257 PLL
U201 TC9422F
SYSTEM ELECTRONIC VOLUME
(Tone control input
select main volume)
IC801 STK402-050
Q862
8550
Q867
8050
R862
10K
R877
22K
CE803
100UP / 50V
D845 IN4001
U803
L7806CV
D810 - D814
Q809
8050
Q822
8050
CE868
10UF/25V
R841
10K
GRID VOLTAGE -27V
AC 3.3V
FILAMENT VOLTAGE
+6V TO CPU
WHEN USE HEADPHONE
THE CONTROL VOLTAGE
IS LOGIC LOW LEVEL
LOW LOGIC DETECT
PROTECT ENABLE
Q860,Q861,Q864,Q865
PROTECT
ENABLE
OVERLOAD
DETECT
Q812
8050
Q813
8050
ECO
POWER ON
ECO LOGIC LOW LEVEL
Block diagrams
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 ...