DOWNLOAD Sharp 28HW-53 (serv.man8) Service Manual ↓ Size: 1.17 MB | Pages: 9 in PDF or view online for FREE

Model
28HW-53 (serv.man8)
Pages
9
Size
1.17 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR / Part 5 - Schematic diagrams (24-32)
File
28hw-53-sm8.pdf
Date
PREV: Sharp 28HW-53 (serv.man7) Service Manual

Sharp 28HW-53 (serv.man8) Service Manual ▷ View online

31
28HW-53H
1
I
H
G
F
E
D
C
B
A
2
3
4
5
6
7
SCHEMATIC DIAGRAM OF POWER SWITCH UNIT (F7342)
1
2
31
21
2
OUT R
OUT L
GND
GND
CHROMA IN
GND
LUMA IN
M6701
1
1
22
3
3
1
2
3
RC
+5V
GND
GND
OUT R
OUT L
3
2
1
DUNTK7342BMV1
L6318 3.3uH
(DF)
J6
401
QJAKZ0015
CE
R6449 75
(1/4W)
(SS) GN0341
(CC) GN0241
(FV) GN0241
(H) GN0304
R6701 120K
1/2W
R6702 120K
1/2W
S6701 P0613BM
F6701 FS-C3226
LP6701 P0001
3
2
CU020
3BM
1
(SW1) GN0341
(SW2
)
GN0341
S6702
KZ
0079
S6703
KZ
0079
S6704
KZ
0079
S6705
KZ
0079
(RC) GN0341
CN4
QJAKJ0047CEZ
Z
1
5
4
3
2
6
7
(HD) GN0341
L6317 3.3uH
(DF)
L6701 F0108BM
C6746 330nF
FZ0192
(275V)
C6701
FZ0160BM (275V)
470nF
C6336 10nF
R6316 390
C6337 10nF
R6317
390
C6428 1nF
C6429 1nF
(A) GN0207
SHARP
ELECTRONICA 
E
S
P
A
N
A
   S.A.
NOMBRE
C
O
D
IG
O
ESCALA
MODELO
FECHA
REVISIONES
N
2
3
4
5
6
FECHA
A-3
PW
B
F
7
B
M
N
2
0
-0
7
-2001
42 
1A
S
W
ITCH  A / V
28HW5
3
H
REALIZADO
VERIFICADO
APROBAD
O
Q
1
3
1
2
3
4
5
6
Digitally signed by Adolfo Fernandez
cn=Adolfo Fernandez, ou=CAD GLOBAL NETWORK, o=SHARP, c=ES
Date: 2001.07.23 17:35:10 Z
Reason: This document is ready for approval
Digitally signed 
by Castillo, Fco.
DN: cn=Castillo, 
Fco., 
o=Engineering 
Dept., 
ou=SEES, c=ES
Date: 
2001.07.24 
14:10:50 +01'00'
Reason: I have 
reviewed this 
document
Digitally signed 
by Castillo, Fco.
DN: cn=Castillo, 
Fco., 
o=Engineering 
Dept., ou=SEES, 
c=ES
Date: 
2001.07.24 
14:11:15 +01'00'
Reason: I have 
reviewed this 
document
32
28HW-53H
BLOCK DIAGRAM.
1
I
H
G
F
E
D
C
B
A
2
3
4
5
6
7
A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
+16V AUDIO
-16V AUDIO
+140V
Q 713
Q 704
Q 706
Q 705
Q 707
+5V DIGITAL
T 701
POR 701
ON/ST-BY
POWER ST-BY
CONTROL
+5V
Micro Proc. COMUNICA
TION
Micro Proc. COMUNICA
TION
MAIN POWER
M 6701
IR     
DETECTOR
+ CH -    +  VOL -
TH 201
TUNER
SAW
SF 202
IF
IC 201
TDA 4472
IC 401
HEF 4053
SWITCH
IC 1001
S 10 R 272 L
Micro Proc.
IC 1002
27C4000
EPROM
IC 2401
SDA 5273S
MT TEXT
IC 801
VIDEO PROCESSOR
VDP 3120 C
+16V
-16V
+16V
-16V
Q 304
Q 303
Q 302
AUDIO
PROTECTOR
Q 305
Q 306
MUTE
21 PINS
21 PINS
21 PINS
AV-FRONT
S-VIDEO
RGB
AV-2
AV-1
MSP 3410 G
IC 305
Q 901
Q 902
Q 903
Q 905
Q 904
Q 906
Q 908
Q 907
Q 909
R
G
B
Q 5410
Q 5411
Q 5412
IC 1801
TEA5101A
C.R.T.
H.V.
VERT.
DEFLEX.
COIL
HORIZ. 
DEFLEX.
COIL
R
G
B
BA 4558
DRIVER
TDA 7480
VERTICAL
POWER
Q 502
Q 503
VERTICAL
FLYBACK
+13V
-13V
H.V.
+145 V
H
HEATER
SVM
IF
FM AUDIO
CVBS
PERIPHERICS 
AUDIO L/R
RGB
V
V
V
M3L
SVM
SVM
RGB
RGB
V. OUT
Q 506
E/W
EMULATOR
Q 601
POWER UNIT
Q603
Q605
Q604
Q602  
H. DRIVE
Q 501
E/W
DRIVE
H. OUT
H.OUT
HORIZ. DEFLECTION
+13 V
-13 V
FOCUS
FOCUS
SCREEN
F.B.T
.
E/W
OUT
H.OUT
E/W
OUT
E/W
OUT
CRT UNIT
28/32HW-53H BLOCK DIAGRAM
28/32HW-53H 01294SG00
0
0
BLOCK DIAGRAM 28/32HW-53H
A2
11
Thursday, July 19, 2001
Title
S
iz
e
Document Number
R
e
v
Date:
S
h
e
e
t
of
IC 705
IC 706
IC 701
IC 704
IC 703
IC 702
Micro Proc.
-+
D 701...D 704
S6701
17
12
15
14
PTC
C770
R741
SENSOR
8
7
3
4
5
6
1
2
Q703  DRIVER
Q702
Q701
C?
CESH
ADG COIL
D 1101
F6701
+
-
IC 301
3
2
6
7
4
+
-
IC 302
3
2
6
7
4
AUDIO OUT L
AUDIO OUT R
IC 304
HEADPHONE CONECTOR
IC 501
IC 502
IC 503 
R742
D 605
I2
C
IC2
I2
C
I2
C
IC2
32
28HW-53H
BLOCK DIAGRAM.
1
I
H
G
F
E
D
C
B
A
2
3
4
5
6
7
A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
+16V AUDIO
-16V AUDIO
+140V
Q 713
Q 704
Q 706
Q 705
Q 707
+5V DIGITAL
T 701
POR 701
ON/ST-BY
POWER ST-BY
CONTROL
+5V
Micro Proc. COMUNICA
TION
Micro Proc. COMUNICA
TION
MAIN POWER
M 6701
IR     
DETECTOR
+ CH -    +  VOL -
TH 201
TUNER
SAW
SF 202
IF
IC 201
TDA 4472
IC 401
HEF 4053
SWITCH
IC 1001
S 10 R 272 L
Micro Proc.
IC 1002
27C4000
EPROM
IC 2401
SDA 5273S
MT TEXT
IC 801
VIDEO PROCESSOR
VDP 3120 C
+16V
-16V
+16V
-16V
Q 304
Q 303
Q 302
AUDIO
PROTECTOR
Q 305
Q 306
MUTE
21 PINS
21 PINS
21 PINS
AV-FRONT
S-VIDEO
RGB
AV-2
AV-1
MSP 3410 G
IC 305
Q 901
Q 902
Q 903
Q 905
Q 904
Q 906
Q 908
Q 907
Q 909
R
G
B
Q 5410
Q 5411
Q 5412
IC 1801
TEA5101A
C.R.T.
H.V.
VERT.
DEFLEX.
COIL
HORIZ. 
DEFLEX.
COIL
R
G
B
BA 4558
DRIVER
TDA 7480
VERTICAL
POWER
Q 502
Q 503
VERTICAL
FLYBACK
+13V
-13V
H.V.
+145 V
H
HEATER
SVM
IF
FM AUDIO
CVBS
PERIPHERICS 
AUDIO L/R
RGB
V
V
V
M3L
SVM
SVM
RGB
RGB
V. OUT
Q 506
E/W
EMULATOR
Q 601
POWER UNIT
Q603
Q605
Q604
Q602  
H. DRIVE
Q 501
E/W
DRIVE
H. OUT
H.OUT
HORIZ. DEFLECTION
+13 V
-13 V
FOCUS
FOCUS
SCREEN
F.B.T
.
E/W
OUT
H.OUT
E/W
OUT
E/W
OUT
CRT UNIT
28/32HW-53H BLOCK DIAGRAM
28/32HW-53H 01294SG00
0
0
BLOCK DIAGRAM 28/32HW-53H
A2
11
Thursday, July 19, 2001
Title
S
iz
e
Document Number
R
e
v
Date:
S
h
e
e
t
of
IC 705
IC 706
IC 701
IC 704
IC 703
IC 702
Micro Proc.
-+
D 701...D 704
S6701
17
12
15
14
PTC
C770
R741
SENSOR
8
7
3
4
5
6
1
2
Q703  DRIVER
Q702
Q701
C?
CESH
ADG COIL
D 1101
F6701
+
-
IC 301
3
2
6
7
4
+
-
IC 302
3
2
6
7
4
AUDIO OUT L
AUDIO OUT R
IC 304
HEADPHONE CONECTOR
IC 501
IC 502
IC 503 
R742
D 605
I2
C
IC2
I2
C
I2
C
IC2
32
28HW-53H
BLOCK DIAGRAM.
1
I
H
G
F
E
D
C
B
A
2
3
4
5
6
7
A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
+16V AUDIO
-16V AUDIO
+140V
Q 713
Q 704
Q 706
Q 705
Q 707
+5V DIGITAL
T 701
POR 701
ON/ST-BY
POWER ST-BY
CONTROL
+5V
Micro Proc. COMUNICA
TION
Micro Proc. COMUNICA
TION
MAIN POWER
M 6701
IR     
DETECTOR
+ CH -    +  VOL -
TH 201
TUNER
SAW
SF 202
IF
IC 201
TDA 4472
IC 401
HEF 4053
SWITCH
IC 1001
S 10 R 272 L
Micro Proc.
IC 1002
27C4000
EPROM
IC 2401
SDA 5273S
MT TEXT
IC 801
VIDEO PROCESSOR
VDP 3120 C
+16V
-16V
+16V
-16V
Q 304
Q 303
Q 302
AUDIO
PROTECTOR
Q 305
Q 306
MUTE
21 PINS
21 PINS
21 PINS
AV-FRONT
S-VIDEO
RGB
AV-2
AV-1
MSP 3410 G
IC 305
Q 901
Q 902
Q 903
Q 905
Q 904
Q 906
Q 908
Q 907
Q 909
R
G
B
Q 5410
Q 5411
Q 5412
IC 1801
TEA5101A
C.R.T.
H.V.
VERT.
DEFLEX.
COIL
HORIZ. 
DEFLEX.
COIL
R
G
B
BA 4558
DRIVER
TDA 7480
VERTICAL
POWER
Q 502
Q 503
VERTICAL
FLYBACK
+13V
-13V
H.V.
+145 V
H
HEATER
SVM
IF
FM AUDIO
CVBS
PERIPHERICS 
AUDIO L/R
RGB
V
V
V
M3L
SVM
SVM
RGB
RGB
V. OUT
Q 506
E/W
EMULATOR
Q 601
POWER UNIT
Q603
Q605
Q604
Q602  
H. DRIVE
Q 501
E/W
DRIVE
H. OUT
H.OUT
HORIZ. DEFLECTION
+13 V
-13 V
FOCUS
FOCUS
SCREEN
F.B.T
.
E/W
OUT
H.OUT
E/W
OUT
E/W
OUT
CRT UNIT
28/32HW-53H BLOCK DIAGRAM
28/32HW-53H 01294SG00
0
0
BLOCK DIAGRAM 28/32HW-53H
A2
11
Thursday, July 19, 2001
Title
S
iz
e
Document Number
R
e
v
Date:
S
h
e
e
t
of
IC 705
IC 706
IC 701
IC 704
IC 703
IC 702
Micro Proc.
-+
D 701...D 704
S6701
17
12
15
14
PTC
C770
R741
SENSOR
8
7
3
4
5
6
1
2
Q703  DRIVER
Q702
Q701
C?
CESH
ADG COIL
D 1101
F6701
+
-
IC 301
3
2
6
7
4
+
-
IC 302
3
2
6
7
4
AUDIO OUT L
AUDIO OUT R
IC 304
HEADPHONE CONECTOR
IC 501
IC 502
IC 503 
R742
D 605
I2
C
IC2
I2
C
I2
C
IC2
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28HW-53 (serv.man33) A service jig has been made available to blank the data in the NVM Service Manual / Technical Bulletin 1 11.13 KB
28HW-53 (serv.man32) Low scart input levels after replacing the NVM Service Manual / Technical Bulletin 1 10.17 KB
28HW-53 (serv.man31) Remote control battery cover has part number Service Manual / Technical Bulletin 1 39.79 KB
28HW-53 (serv.man30) Ragged verticals at the top and bottom of the screen Service Manual / Technical Bulletin 1 8.99 KB
28HW-53 (serv.man29) Part number for Mains Lead Cord Grip Service Manual / Technical Bulletin 1 9.05 KB
28HW-53 (serv.man28) Part number for T702 (Triac) Service Manual / Technical Bulletin 1 8.83 KB
28HW-53 (serv.man27) Countermeasure to set reverting to page 100 in sub-title mode Service Manual / Technical Bulletin 1 10.57 KB
28HW-53 (serv.man26) Fitting instructions for alternative four-pin opto coupler (Revision 3) Service Manual / Technical Bulletin 3 597.54 KB
28HW-53 (serv.man25) Set fails to come on (HT present), Text position incorrect, AV audio levels low or other symptoms associated with software Service Manual / Technical Bulletin 2 72.03 KB
28HW-53 (serv.man24) Simplified procedure for the G2 and Grey Scale adjustments Service Manual / Technical Bulletin 1 11.72 KB
28HW-53 (serv.man22) Vertical stage faults Service Manual / Technical Bulletin 2 18.85 KB
28HW-53 (serv.man21) High HT Service Manual / Technical Bulletin 3 778.28 KB
28HW-53 (serv.man20) Other power supply related faults Service Manual / Technical Bulletin 3 412.42 KB
28HW-53 (serv.man19) Horizontal stage faults Service Manual / Technical Bulletin 2 340.61 KB
28HW-53 (serv.man18) Selection of NVM blanking jig Service Manual / Technical Bulletin 1 10.39 KB
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28HW-53 (serv.man16) NVM programming Jig (revision-9) Service Manual / Technical Bulletin 3 98.4 KB
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28HW-53 (serv.man13) Faults in the East West Circuit Service Manual / Technical Bulletin 2 149.53 KB
28HW-53 (serv.man12) Sound goes up when using non-Sharp remote control Service Manual / Technical Bulletin 1 16.95 KB

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