Sharp 37GQ-20FP, Service Manual

Page: 17 / 28

17
37GQ-20FP
R OUT
R IN
L OUT
L IN
SS
FS
V OUT
V IN
IFOUT
IF OUT
5V BL BH BU VT AGC
RG
B
SHARP
ELECTRONICA ESPANA S.A.
NOMBRE
CODIGO
ESCALA
MODELO
FECHA
REVISIONES
N
1 2 3
4 5 6
FECHA
1:1
Q
K
IT
P7
B
M
N
2
24-02-20
0
0
87
*
SQUAD
123
45
37GQ-20FP
TU201
RTUNH0138BMZZ
REALIZADO
VERIFICADO
APROBADO
DATE:
DATE:
DATE:
+5VA
+8V
+8V
16-03-2000
(SERVICE)
MOD. HASTA No. 93
SER
C
LK
DAT
SCL
SDA
GND
J77
J80
J79
J91
J78
J92
JF17
JF18
SCART
TUNER
MOD. HASTA No.53
4-02-2000
MOD. HASTA No.57
10-02-2000
D202
MOD. HASTA No.59
11-02-2000
MOD. HASTA No.76
24-02-2000
MOD. HASTA No.81
08-03-2000
AUDIO
+5V
A
G
B
BH
BU
VT
B
+5VA
+5VA
BL
PC3
PC2
L/L'
PC5
FB
AGC
SS
SDA SCL
+8V
+8V
+8V
R
.
.
.
.
.
.
1 2 3 4 5 6 10 11
17
19
13
15
9
11
5
7
1
3
2
4
6
8
10
12
14
16
18
20
C202 1nF
L801 3.3uH (DF)
L802 3.3uH
C805 1uF
C808 100nF
C901
100nF
X801 B0243
4.43MHz
C211 10nF C212 10nF C213 10nF C214 10nF
R201 120
R204 150
R212 4K7
C814 1uF
R804 1K
R813 27K
R815 22K
R817 2K2
R818 15K
R601 2K2
R602 470
R821 8K2
C301 3.3uF
C820 1uF
D801
DX0045BM
D802 DX0551
R211 47K
R512 10K R513
68K
D505
DX0551
D506
DX0551
M
609
70nF
250V)
Z0174BM
D606 DX0505 1N4935
R403 220
R408 10K
R410 100K
R411 6K8
R412 6K8
R413
220 (TQ)
R414 220 (TQ)
F401 LN0037
C401 1uF
C404 1nF
C405 1nF
C406 22uF
C408
47uF (16V)
D401
C7V5
D402
C7V5
Q401 2SC2412
SC401
CZ2109BM
21
F)
0505CE
R529 150
(1/2W)
D404 C7V5
D405 C7V5
D406 C7V5
D407
C7V5
C205 1uF
C508 330nF
R416 47
R407 75 (TQ)
R401 75 (TQ)
R221
(0)
R202 1K
Q204
2SC2412
R814
1M
)
R402 68 (1/2W)
R420 0
R418
0
R417 2.2uH
C409 1nF
D409
EX0549BM
7V5
D410
EX549BM
7V5
R1030
100
R1031 100
Q503 TX0108BM BC635
C204
1nF
R206 6K8
C217 100nF
L205 1uH
R214 3K3
R215
560
C218
1nF
C219
1nF
Q203
TX0116 BF570
R218 1K
R216
47
C220
10nF
SF201
K3953M
5 4
3
1 2
SF202
K9650M
2 1
5 4
3
R205 2K2
D201 DX0560
R210 3K3
R1027 100
R1028 100
R1029 100
R220
100
R415 100K
C206 22nF
D411 EX0549BM 7V5
R515 100
R826 75
R819 100
R820 100
L204 10uH
D803 C5V1
EX0545BM
R404 75 (TQ)
R207 2K2
J47
LN0037
FB801 LN0037
L202
C201 22pF
L201 390mH
IC80
1
STV2238
IFPLL
17
GND IF
18
AM/FMOUT
19
VCC
20
CVBS
21
AUDIN
22
IF1
23
IF2
24
VCC
25
CVBSIN1
26
GND
27
CVBSIN2
28
BS
29
BEXT
30
AGC
16
SAW
15
PIFIN
14
PIFIN
13
AGC
12
VIF
11
AGC
10
SIFIN
9
SIFIN
8
FMCAP
7
AUDIO
6
GND
5
VCC
4
SDA
3
SCL
2
SLPF
1
SSC
64
HOUT
63
VERT
62
BCL
61
CVBOUT2
60
VCC
59
CVBSOUT1
58
GND
57
VAMP
56
CLPF
55
XTAL
54
XTAL
53
BTUN
52
HALFCTR
51
D810
6V8
C216 220nF
C208
1uF
C815 2.2uF
C222
100nF
Q202
2SC2412
D808 C5V6
C207 10uF (16V)
C816 4n7
R409 22K
C223 8.2pF (500V)
R816 2K7
C224 220nF
C823 330nF
C203 330nF (25V)
C802
100nF
C803 470uF (10V)
C812 220nF (25V)
C813
4n7
R217 100
C818 100nF
C801 470uF
(10V)
C209 100uF (6.3V)
C210 100nF
C804 100nF
R406
75
(1/4W)
C817
100uF
(6.3V)
D403 C5V6
R203 1K
C215 47uF (10V)
D412 EX0549BM 7V5
R511 1.8
(1/2W)
C221
100pF
R213 33K
R405 75 (TQ)
C822 100uF (16V)
C824 220nF (25V)
C825 220nF (25V)
5
9
12
Page 15
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R
Q
P
O
N
M
L
K
J
Page 16
SCHEMATIC DIAGRAM (Version 01).