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SCHEMATIC DIAGRAM.
+105V
R301 R302 4K7 (1/2W) C303 1uF (160V)

37GQ-20S 37GQ-21S

+20V
J301 J0047CE R305 4K7 (1/2W) R304 2.2 (1/2W) R307 10K C307 47uF (16V) R310 100 Q301 BC337 TX0217 L301 3.3uH (DF) Q302 BC327 TX0216 FB301 BLN0037 C304 100uF (16V) JF16 C310 .047 S

N
S1001 S1002 S1003 S1004

RMC001 CU0222CE

+20V
R303

.

4K7 (1/2W)

C315 C302 1uF

1 5 4 3

K0079GE

K0079GE

K0079GE

K0079GE

3

2

1

33K

R306 100K

100pF Q303

+5V B

M

D1001 PX0104BM L1001 10uH (DF)

R1017 270

C1009 47uF (10V)

10
R1024 4K7 R1021 4K7 R1022 4K7

C309 10nF C308 1uF R314 1K D301 DX0045BM 1K

R311 100K

2SA1037

11
R316 470 R317 470

2 6 7

R312 10K R321

R313 560 Q304 2SC2412

C311 .047

(A) R1025 4K7 1 2 D861 F701 JF13 3 4 N0304CE 470pF (H) N0461CE Q883 TX0180BM 470pF Q885 TX0180BM D860 DX0045 DX0045 C862 R892 1K DX0045 C861 R893 1K D862 R883 7 2K7 (1/2W) R885 2K7 (1/2W) R887 3 S701 P0588 JF15 C878 10uF (200V) Q871 TX0181 BF422 P0028 L701 (G) N0207CE C703 10nF (250V) KZ0029 D701 CILF0160BM R888 0 R879 470 C871 470pF R898 0 R880 470 C872 470pF R899 0 R881 470 C873 470pF C874 1nF (500V) C879 100pF D812 DX0045 DX0571 D703 DX0571 D704 5 4 3 2 1 QTIPM0017CEFM DX0571 C704 10nF (250V) KZ0029 C705 (K) N0561 47uF (400V) EZ0140BM T701 Z0580BM 8 R701 470K (1/2W) R716 47K (1/2W) C718 47nF 400V 16 DX0505 15 D708 DX0561 D716 DX0551BM 11 C728 220pF R702 470K (1/2W) D717 1N4937 (2KV) FB702 BLN-0037CE VSYNC D707 D807 5V6 D806 5V6 D805 5V6 D804 5V6 R822 330K C819 C809 B 220 R802 G 100nF 1uF R823 1K DX0571 (L2) (K) N0561 (L3) QTIPM0017CEFM SS AGC BL BH BU L861 12uH 8 C876 FOCUS 4.7nF (2KV) 12 R1007 100 R805 1K VSYNC R1032 39K FLB R807 1K VSYNC R806 1K J19 3K3 VERT R1020 5K6 Q1002 2SC2412 R1019 1K L3 R862 15K (2W) R864 15K (2W) Q870 TX0181 BF422 R866 15K (2W) 5 470pF Q887 TX0180BM 5 4 9 4 3 C860 R894 1K 2K7 (1/2W) 7 CRT VB34EAC0136*N R1018 10K C1012 100nF R1016 330

L302 3.3uH

13 14
C1001 470uF (6.3V) 9 R1001 100 R1002 100 R1003 100 R1004 6 100 R1005 100 7 8 9 10 6 11 R1006 100 1 2 3 4 5 DA5 PB1 PB2 PB3 PB4 PB5 PB6 PA0 PA1 PA2

C1010 100nF

R1023 4K7

R315 10K

C312 220uF (10V)

R318 15K

Q305 2SC2412 AUDIO SDA SCL IC1003 IX10037

(S)

(SH)

QPWBF7310BMN0

PC5

L

T3.15

R1026 0 D1002 5V6 3 3 1 1 R1008 3K3 R1009 1K

R1011 4K7 (1/2W) R1010 33K R1014 22K Q1001 PH2369

R1012 4K7 (1/2W)

R1013 4K7 (1/2W)

ONLY FOR 37GQ-21S

44

43

42

41

40

38

36

35

39

37

34

SCL

PC2

PC3

VDD

SDA

PC4

DA4

DA3

DA2

DA1

DA0

+105V
R1015 22K VT

PC5 PC6 PC7 VS

33 32 31 30 29 28 27 26 25 24 23

2
IC1004 PST529 C1002 X1001 8MHz 22pF C1003 L1002 68uH 22pF C1004 15pF Q1003 2SA1037KQ C1006 22pF R1034 150K

2

C1007 22nF

C1008 47nF

IC1001 S T 6 387

RESET XTAL XTAL 26 OSD OSD

PR701

K

C701 470nF (275V) FZ0160BM

15
Q872 TX0181 BF422

6 8

HSYNC

BLANK

C702 10nF (250V) KZ0029

1

C1015

PA3

VSYNC

6

C1005 15pF

VSS

PA4

PA5

PA6

PA7

12

G

R

B

330nF

13

14

15

16

18

12

17

19

20

21

22

R1033 4K7

C1014 10uF (16V)

D702

D811 DX0045

J

QPWBF7287BMN0

C1011 22nF

G

B

R

I

L/L'

I

G

B

+20V
C710 220uF (25V) R808 1K Q702 TX0218 BC337-40 JF11

5

4

3

2

1

FLB VERT R801

R

R811 100

+105V
C711 100uF (160V)

FB

47

45

44

43

42

41

40

36

48

46

39

38

37

35

GOUT

BOSD

ROUT

UOUT

BOUT

VOUT

ISENS

GOSD

YOUT

H
C707 10uF (16V) R715 10

1
12 3 13 FB701 C723 100pF 5 14

2

VIN

UIN

APR

CHR

YIN

Y/C

D709 DX0590BM MBR1100RL

D722 DX0504

+10V
C715 100nF C712 220uF (16V) Q705 2SA1037

R724 150

+8V
R725 390 C507 R524 3K9

FB

R809 47K

R810 100

R812 100

220 R803 220 R FB R804 1K

C810 100nF C811 100nF

34

33

R222 220K REXT GEXT BEXT BS CVBSIN2 GND CVBSIN1 32 31 30 29 28 27 26 25 24 23 22 22pF 21 20 19 18 17 R204 150 C209 100uF (6.3V) C210 100nF L802 3.3uH R203 1K C201 L201 390mH C223 8,2pF (500V) R201 220 CF201 FILC0020 R219 2K2 C801 470uF (10V) 1uF C802 100nF C805 C808 100nF R826 75 C820 R221 (0) C222 100nF 1uF L202 12uH (DF) R220 100 C221 100pF Q204 2SC2412 R202 C806 100nF R824 75 R825 75 R G B

49 50

ROSD FBOSD HALFCTR BTUN XTAL XTAL CLPF VAMP GND CVBSOUT1 VCC CVBOUT2 BCL VERT HOUT SSC

C807 100nF

I

G

B

R

-25V +10V
Q503 TX0108BM BC635

14 13 12 11 10 9 8

GND VCC 12 D D D D

R718 4K7

R703 22 IC701 TDA16833

D705

D710

D721 DX0504

C713 220uF (16V) R719 2K7

-10V

R710 220 (1/2W)

220nF R502 1K Q506 2SA1037 R523

C901 100nF

51 52 X801 B0243 4.43MHz 53 54 55

GND FB 3 D D D D

DX0551

BLN-0020 C724 100pF 6 9

DX0504 1N4934 D711

1 2 3 4 5 6 7

D723 DX0503 C714 470uF (10V)

+5V A
Q703 TX0218 BC337-40 Q708 R723 1K 2SC2412KQ D712 6V2 (2%) C726 2.2uF

Q501 BC636

9
+8V
R814 C812 100nF

+8V

R813 27K

56 C813 4n7 C803 470uF (10V) 57 58

G

C708 15nF

DX0503 1N4933 R704 100 R705 330 (TQ) (1%) C717 10uF (16V) C722 10uF (16V) D706 C6V2 EX0584 R722 120 8M2 (1/2W) (UA) 8M2 (1/2W) (UA) R706 680 (TQ) C709 2n2 (4Kv) 10 C725 2n2 (4Kv)

R714 Q706 2SA1037 Q707 TX0217 820 (1/2W)

R525 120 1 2 3

560

IC501 UA741 8

R510 1 (1/2W)

IC801 STV2236

VCC IF2 IF1 AUDIN CVBS VCC AM/FMOUT GND IF IFPLL

C804 100nF

59 60 61

+5V B .

D714 B5V6 R711 22

R519 8K2

_ + -VS

+VS

7 6 5

Q701 2SC2412

+8V

8
R509 1K

R530 180K

D503 1N4933

4 C510 100pF

C508 330nF

R529 150 (1/2W)

D801

1M 62 C814 1uF R601 2K2 R821 8K2 R602 470 D803 C5V1 63 R817 64 2K2 R816 2K7 D802 DX0551 D810 6V8

12

+5VA

1K

DX0045BM R815 22K

R707

R708

AUDIO

SIFIN

SIFIN

PIFIN

PIFIN

SLPF

GND

SAW 15

AGC

AGC

SDA

D718 5V6

2

4

6

7

10

12

11

13

F

R721 22 R535 820K

7
C503 330nF

R512 10K R513 D505 DX0551 D506 DX0551 R515 100 C815 2.2uF R818 27K C816 4n7

14

16

1

3

5

8

9

R538 2K2

Q509 2SA1037

-10V
Q505 2SA1037 Q507 2SC2412KQ R516 1K R537 15K R536 4K7

5

VIF

AGC

VCC

SCL

R533 120K

FMCAP

R720 560 (1/2W)

+8V
R517 180K

Q502 BC635

R511 1.8 (1/2W)

C203 330nF (25V) 4 C202 1nF C206 22nF D808 5V6 C205 1uF 5

SF201 G1968M 1

68K

2

3
E

+7V
R603 330 (1/2W) D601 DX0551 R604 470 (1/2W)

+105V
H.V. T601 NF2072BM 4 R607 R605 6.8 (1/2W) R606 9 6.8 (1/2W) 1 (1/2W) D603 DX0045 DX0505 1N4935 2 Q601 TX0132 BU508D R609 2.2 (1/2W) C601 5n6 1K5 5 C602 470pF 2KV C605 100nF 11 7 10 FOCO G2 R617 1K R614 560 R615 D605 D602 3K3 (1/2W) R534 1K5

R819 100

R820 100

C817 C208 100uF (6.3V) L801 3.3uH (DF) C818 100nF 1uF C301 3.3uF

C207 10uF (16V)

+105V

R616 D606 DX0505 1N4935

+5VA

C608 1uF (160V) C609

R608 18K

Q602 BC635

4

-25V
C607

3

VT

BL

BH

BU

AGC

+8V
R613 15K R612 2.7 (1W) 1 2 10 (1/2W) (H) DX0504 1N4934 100uF (35V) 470nF (250V) FZ0174BM D409 EX0549BM 7V5 1 D607 EX0549BM 7V5 C606 22nF 3 4 2 3 4 5 AUDIO C822 100uF (16V) R418 0 SDA SCL IF OUT 10 IFOUT 11

TU201 RTUNH0138BMZZ

R211 47K

D
C610 22nF Q604 2SC2412

6

8

L601 4.7uF (CF)

3

SS
R409 4K7 C401 1uF (F) N0505CE R420 0 R403 220 D410 EX549BM 7V5 JF18 F401 LN0037 D404 7,5V R404 75 (TQ) R405 R406 75 75 (TQ) (1/4W) R413 220 (TQ) C404 1nF R411 6K8 Q401 2SC2412 D403 C5V6

C406 22uF C211 5V R410 100K R412 6K8 C409 C408 D411 1nF R414 220 (TQ) C405 R417 2.2uH 1nF AGC R415 100K 47uF (16V) EX0549BM 7V5 BU 10nF 3 D412 EX0549BM 7V5 VT 2 R212 4K7 C216 220nF 1 C224 220nF BH 10nF 4 C214 R416 47 BL 10nF 5 C213 10nF 6 C212

Q603 TX0112 BC636

+5VA

N0461CE J67 1uF L602 22uH (CF) D604 DX0506 1N4936

R402 R401 75 (TQ) D401 68 (1/2W)

R610 27 (1/2W)

R611 27 (1/2W)

FB

G

PC3

PC5

PC2

C

C603 220uF (10V)

D405 7,5V

D406 7,5V

D407 7,5V

B

R

7,5V C604 220uF (10V) R1027 100 . R1028 100 . R1029 R1030 100 100 . . . 100 7,5V R1031 D402 R407 75 (TQ)

R408 10K

+5VA

J80

J77

J79

J91

20

18

16

14

12

10

SER

CLK

DAT

SCL

SDA

J92

J78
GND

8

6

4

2

V OUT

FS

SS

L IN

L OUT

R OUT

JF17

R213 33K C215 47uF (10V)

B

SERVICIO
21 19 V IN

17

15

13

11

9

7

5

3

R

G

B

1 R IN

SCART

TUNER

SC401 CZ2107BM

REALIZADO

VERIFICADO

APROBADO

NOMBRE

CODIGO

6 5

07-03-2000 24-02-2000 11-02-2000 10-02-2000 16-03-2000 08-03-2000
FECHA

MOD. HASTA No.79 MOD. HASTA No.76 MOD. HASTA No.59 MOD. HASTA No.57 MOD. HASTA No.93 MOD. HASTA No. 81
REVISIONES N

SQUAD
A
DATE: DATE: DATE:
FECHA

Q K

I

T P

7 2 8

7 B

M N *
ESCALA

4 3

08-03-2000

2 1

MODELO

37GQ-20S/21S
17 18

SHARP
ELECTRONICA ESPANA S.A.

1:1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

19

20

21

29