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1
{MAIN BOARD]
* IC Block Diagram
IC1 CXA1019S
D5—D8
SLZ-235C-15
BACK
LIGHT
AM TRACKING
f ADJUSTMENT
DI
KVI560 C733
MODEL.
LCDI
LIQUED
CRYSTAL
DISPLAY
PANEL
AF
POWER
AMP
KVIS63
C733L
MODEL
50WV or less are not indicated except for electrolytics and
LEAD WIRE
ANTENNA
tantalums.
barr 7
*
All resistors are in Q and 1/4W or less unless otherwise
'!300p IM
specified.
=
.
A _ : internal component.
C3
JRE
JR?
0
68p
*
[—__]: panel designation.
Note:
The components identified by mark A or dotted
line with mark A\ are critical for safety.
Replace only with part number specified.
MetW: B+ Line
[.__]: adjustment for repair.
*
Voltage and waveforms are dc with respect to ground
under no-signal (deturned) conditions.
no mark
: FM
(
) : AM
*
1 can not be measured.
*
Voltages are taken with a VOM (Input impedance 10MQ).
Voltage variations may be noted due to normal production
tolerances.
*
Signal path.
m=
: FM
*1
: Printed pattern functions as a kind of coil.
REG
FM
AFC
AM
0
Osc
SC
8
IC |
CXA1019S
IF
= AFC (W) AFC(J}
= DET
R
EARTH
AGC
= AGC
OUT
of
LED
FM/AM FRONT END
IF DET. AGC
POWER
AMP
SPEAKER
C25
4.7
50V
|} 'ai3_ 2$C1623TI
R29 8.2k
STATUS DETECT e
0
Pa
gosto
RIO3
REG
Ik
IN 4002AT-93
Sai
$2
$3
$4
$5
RADIO
RADIO
TIMESET/
TIMESET/
OFF
ON
TUNE
TUNE
[E]
RESET
C733L MODEL
|
I
|
C733L
MODEL
I
'
!
$6
$7
$8
$9
[1]
ENTER
TI
|B BUZZER]
[A RADIO]
RVIOI
POWER
|
DTZ5-1A-TTH
TRANSFORMER
$10
SII
$2
$13
=
LLL
A
I
-
nd
aio;
aos t &
SNOOZE/]
[BAND
6.8k 2 NOT REPLACEABLE
SLEEP OFF
BUILT IN TRANSFORMER
[5|
[POWER BOARD]
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