Xl-3000v, Tuner pwb-a2, Am signal fm signal – Sharp XL-3000V User Manual
Page 31: Pll(tuner)
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XL-3000V
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10
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Figure 31 SCHEMATIC DIAGRAM (6/10)
0.6V
2.3V
2.3V (0V)
1.3V
1.3V
4V
(2.2V)
0V (0.9V)
5V
2.1V (2.7V)
2.1V (2.7V)
2.1V
(1.2V)
3.8V
(1.9V)
3.8V
(4.3V)
2.9V
0V
0V
5V
5V
5V
5V
2.1V
2.1V
0V
(0V)
3.7V
4.7V
(0V)
3.9V
(0V)
(0V)
3.5V
0V
0V
0V
3.7V
(11.4V)
1.7V
5.1V
4.8V
0.1V
0.1V
2.6V
0V
2.6V
0.9V
0.9V
5.2V
2.6V
(2.6V)
0V
0V
(0V)
10.8V
10.9V
11.7V
+B
+B
+B
+B
+B
+B
PLL(TUNER)
AM IF
1
2
3
10
11
1
2
3
4
5
8
9
6
7
SD
FM ST
DO
CL
CE
DI
A_12V
D_GND
TUN_L
TUN_R
A_GND
VSM
AM RF
OUT
OUT
OUT
OUT
IN
IN
CUT
AM LOW
FM/AM
MPX VCO
MPX IN
MO/ST
L-CH
R-CH
FM AFC
AM OSC
(AM/FM)
PHASE
PHASE
IF OUT
VCC
FM DET
STEREO
SD
GND
AM IF
REG
AM MIX OUT
IN
IN
11
10
9
8
7
6
5
4
3
2
1
PD
IF IN
AM IN
FM IN
VDD
AIN
AOUT
VSS
X OUT
22 21 20
19
18
17 16 15
14 13 12
AM SIGNAL
FM SIGNAL
CNP307
P26 5,6-A
TO
MAIN PWB-A1(1/2)
TUNER PWB-A2
FM
FM
MUTE
CE
DI
CL
DO
MO/ST
IF REQ
X IN
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
Hz
456kHz
2
3
1
C367
1/50
R350
2.7K
C360
0.022
C362
3.3/50
CNS307
R366
2.2K
C372
1/50
C371
1/50
C398
100/10
C380
10/16
D308
1N4148
C391
47/16
X351
R361
5.6K
C368
1/50
R356
1K
R357
470K
R362
5.6K
C369
56P
C374
0.018
C373
0.018
C366
0.001
IC302
LC72131
R353
270
T351
CF352
C350
0.022
C352
10/16
R352
1K
C353
0.022
C354
0.022
CF351
C363
0.022
C364
10/16
C365
0.022
C361
0.022
82
0
C394
47/16
C397
0.022
86
0
R381
10K
C393
1/50
R380
1.5K
R379
2.2K
C392
0.001
C387
0.022
C385
0.01
R377
5.6K
R355
3.3K
C357
2.2/50
C358
1/50
C399
0.022
C356
0.001
R393
1K
R395
47K
L351
100
µ
H
C370
1/50
C355
22P
C383
0.022
R387
5.6K
L352
100
µ
H
C395
0.022
C396
100/10
ZD351
DZ5.1BSB
R391
390
R392
390
Q351
KRC104 M
R363
3.3K
R364
3.3K
C386
330P
R365
10K
2
CH)
CH)
R374
1K
R373
1K
R372
1K
R371
1K
R359
1.8K
R360
4.7K
4
1
Q360
KTA1266 GR
R385
5.6K
R384
6.8K
R383
5.6K
R376
10K