Sharp XL-ES5 Service Manual page 26

XL-ES5/ES50
A
TUNER PWB-A2
B
C
D
AM
1
GND
2
FM
3
CNP301
C301
0.001
E
F
G
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
1
D305
SVC347S
R304
100K
C305
12P(UJ)
C308
0.018
JR304
0
C349
R305
0.0047
100K
3 4 5 6
AM ANT.
BAND PASS
L302
FILTER
BF301
AM
Tracking
1 2
1 2 3
L304
FM RF
+B
R306
10
R302
10
L301
C302
1µH 1/50
L303
10µH
C303
+B
0.1
C347
0.047
+B
R332
2.2K
FM IF
+B
+B
L305
3
2
1
AM IF
2 3
Figure 6-4 SCHEMATIC DIAGRAM (3/8)
AM BAND
COVERAGE fL
C311
L306
560P
AM OSC.
TP-VT
C310
27P
C348
R311
0.022
1K
C318
0.01
R328 Q302
100K 2SC5477++
C345
5P (UJ)
C321
0.33/50
C344
(CH)
33P
R308
1K
+B
R329
330
36 35 34 33 32 31 30 29 28
IC301
LV23002M
FM FRONT END/
FM IF DET./FM MPX./AM IF
1 2 3 4 5 6 7 8 9
C313
0.1
C315
22/50
+B
CF303
R331
FM IF
33
JR303
+B
0
CF304
4
AM IF
6
4
6 – 4
R315
4.7K
R335
C326 C330
470
0.1
22/50
D308
MTZJ3.6B
R319 X301
100K 75KHZ
27 26 25 24 23 22 21 20 19
PLL(TUNER)/
10 11 12 13 14 15 16 17 18
R320
47K
R321
1K
C337
C327
100P
0.01
(CH)
C331
0.01
C340 0.1
C328 1/50
C324 1/50
L308 47µH
5
FROM DISPLA
6-6 2 - D
CNS302
6 5 4 3 2
CNP302
+12V +B
C342
10P
(CH)
C341
10P
(CH)
C339
0.01
DO
C334
(CH)
100P
CLK
DI
CE
A_GND
+B R325 +8V +B
51
R318 TUN–R
27K
TUN–L
R317
27K
6