Panasonic Technics ST-CH7L - Page 16

ST-CH7L
ST-CH7L
||
BLOCK
DIAGRAM
RVIBAI332L
Q302
JK7OI
FM
MONO
DISTORTION
adj.
[)
@R ch out
TP202
TP2oO}
FM
MPX
D302
00
T201,202
ANT273W
4
i
0304
FM
ANT
+f
GB)
L1C201
|
Y
Zio
u
FM/AM
IF
AMP
DET
‘ 2 14
FM
FRONT
END
CF201
CF
202
8
jo
fie
fiz
|r
=|
ee
ees
I
aD ao
ge
ga
Q201,202
a!
,
Lr
1c201
FM
vO lFM/AM FM |
ea tea !
zee i eT oon
ee
ee ed re he ce
5
G5) oat | Q301
Buffer
(AM) L ch out
: oe
— on awe
Q256
MW/LW
Signal
Loop filter receive
XI0l
detector
Hl
CTIO!
(7.2MHz)
z90l
pr
Q
a
2808
fs
|
REMOTE
Q207~209
u
2
eu
ta
Remote
7
CONTROL
pecan
oe
celal
PLL
FREQUENCY
control
SENSOR
Om — Oe
pXOUT XIN PO! LW PD2 FMIN 6
AM IN
CE CL DATA
KEY MATRIX L
[ ss ae 2 a ae ae
B
WW
(AM) GB) FM/AM
Power Supply
(FM) GB) Selector
SYNTHESIZER
| 22 24 31
Q907,908
Switching
(power)
—_—ld POWER
ee Cae eee on ee |
CE
sBTI sBol
sD
POWER
RST
MUTE
STEREO
MONO
INT
POWER
Q902~905
I Lie
7
\
: Wn f KEY2 DOWN
oer.
(ATUNING)
if
|
|
MNIS7I25STTI
8)
ees
901 $905
|
|
;
B.DATA
| wa \ | MICROCOMPUTER
I(WPRESET)
|
(MEMORY)
|
(¥
TUNING)
|
|
(CONTROLLER)
46)|
B.
GND
|
$902
$904
$906
|
l
SEGO
~
SEGI5,
P70
DGTO~DGT6
oe
Pa
eee
ee
Ne
+
sd
a
2
<
<.
|
35
36—«
37
2
3
47
63
38
44
64
| (BAND) Heeb
$903 '
| oa | Pye
0
I 2 | | |
| | \
| ! |
es _J
|(4SELECT)
|
(CLOCK
SE
2
| $907
|
a
Q703
D701,705
T701
\
Bz
FL
DISPLAY
---
nc
l(w
SELECT)
(RECALL)
|
| $908 soil
re
oe
be
!
|
|
(TIMER
SET)
(CANCEL)|
(POWER)
Regulator
|
$909 $913
| v4 va ‘S Note:
e al lpeciene te ma
—
are
ee
|—P—:FMSIGNAL
|
I
onag>
=
FM
OSC
!
&
0707
!
| mp = AM SIGNAL ,
| a: AM OSC 1
oo
4
Ac
ate 2)