Sharp XL-HP737 Service Manual - Page 26

Schematic Diagram 5/10

Page 26 highlights

XL-HP737 C363 0 022 R379 A B C D AM LOOP ANTANNA 22 11 E SO302 FM ANTANNA TERMIANL F CHASSIS GND G CNP301 FM SIGNAL AM SIGNAL D301 DS1SS133 C323 0.022 D302 DS1SS133 AM TRACKING fL 3 T303 2 4 5 1 6 AM ANT. C330 15P (CH) C331 0.047 C332 0.022 AM OSC. C335 6 T306 560P 2 4 5 3 1 AM BAND COVERAGE fL C334 22P (CH) VD301 SVC347S R323 68K R336 10K R351 5.6K FM IF IN AM OSC OUT AM OSC IN AM MIX OUT REG FM AFC AM RF IN C342 0.022 R358 3.9K +B 24 23 22 21 1 23 C362 2.2/50 R365 10K C361 0.022 0.022 10/16 0.022 C351 C352 C350 BAND PASS FILTER BF301 123 FM FRONTEND IC301 TA7358AP 1234567 89 T351 +B C303 100P(CH) R302 10 C311 C306 18P 0.022 (CH) DS1SS133 C308 4.7P (CH) L312 FM RF D305 C304 0.01 C305 4.7P (CH) C309 0.001 R313 33K R311 100K R314 22 VD302 SVC230C C320 0.001 C310 15P(CH) C324 4.7P (CH) +B C307 10/16 VD303 SVC230C C313 22P (CH) C343 0.022 TP301 +B C397 0.022 C394 47/16 R381 10K C392 0.001 R382 150 C380 10/50 C393 R380 1/50 1.5K R309 10K T301 FM OSC C312 0.022 T302 FM IF +B R325 47K R327 33 R322 680 Q302 KTC3194 Y 1 3 2 CF303 FM IF 10.7MHZ C381 12P(CH) 22 21 20 19 18 AIN AOUT X IN X OUT VSS CE X352 4.5MHZ C382 15P (CH) 12 3456 DI CL 1K 1K 1K 1K R374 R373 R372 R378 IC302 LC72131 PLL(TUNER) +B R375 470 R316 +B C318 4.7K 100P C384 0.001 C302 0.001 C315 0.01 C316 0.022 C317 0.001 H NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1 1 2 3 4 5 6 Figure 6-6 SCHEMATIC DIAGRAM (5/10) 6 - 6 DO PD

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XL-HP737
6 – 6
Figure 6-6 SCHEMATIC DIAGRAM (5/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
DS1SS133
TA7358AP
FM FRONTEND
2
5
1
22 21 20
3
4
6
18
19
1
2
3
21
22
23
24
6
5
4
3
2
1
6
4
5
3
2
1
(CH)
(CH)
BAND PASS
FILTER
(CH)
(CH)
VSS
AOUT
AIN
PD
DO
CL
DI
CE
X IN
X OUT
REG
AM RF IN
AM OSC IN
FM AFC
AM OSC OUT
AM MIX OUT
FM IF IN
AM
LOOP
ANTANNA
FM ANTANNA
TERMIANL
2
1
2
1
CHASSIS
GND
AM TRACKING fL
AM ANT.
AM OSC.
AM BAND
COVERAGE fL
TP301
FM IF
FM RF
FM OSC
FM IF
1
2
3
3
2
1
9
8
7
6
5
4
3
2
1
0.022
DS1SS133
DS1SS133
0.001
15P
10/50
1/50
1.5K
12P
150
1K
1K
1K
0.001
47/16
0.022
10K
1K
4.5MHZ
0.001
+B
+B
+B
+B
+B
+B
+B
LC72131
0.022
0.022
10/16
10.7MHZ
5.6K
560P
22P
68K
SVC347S
10K
15P
0.047
0.022
10K
0.022
2.2/50
3.9K
0.022
0 022
PLL(TUNER)
100P(CH)
10
0.022
0.022
10/16
SVC230C
15P(CH)
0.001
0.001
4.7P
(CH)
100K
33K
22
0.022
4.7P
(CH)
(CH)
(CH)
18P
22P
10K
0.001
0.022
0.01
47K
33
KTC3194 Y
4.7K
100P
680
SVC230C
4.7P
(CH)
0.01
470
C323
D302
D301
CNP301
SO302
C302
C382
C380
R379
C393 R380
C381
R382
R378
R373
R374
C384
C392
C394
C397
R381
R372
X352
IC302
C351
C350
C352
T351
R351
T303
T306
C335
C334
R323
VD301
R336
C330
C331
C332
R365
C361
C362
R358
C342
C363
BF301
C303
C305
C304
R302
C306
C343
C307
VD302
T301
C310
C320
R313
D305
R311
C312
C308
C309
R314
T302
C311
VD303
C313
R309
CF303
C317
C316
C315
R325
R327
R322
Q302
C318
R316
C324
IC301
L312
R375
FM SIGNAL
AM SIGNAL
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1