Sharp 32KF-84H (serv.man18) Service Manual ▷ View online
45
32KF-84H
BLOCK DIAGRAM
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
T
H
201
TUNER
SAW
SF 201
SF 202
SAW
IF
IC 2
0
1
T
D
A
988
6
AV-1
21 PINS
SCART
Q723
Q724
T701
SWITCHED MODE
POWER SUPPLY
MAIN REG.
KA431
+150V
ST-BY REG.
KA431
+12V
OSD
MICROCONTROLLER
IC
6001
SDA5550
VIDEO
PROCESSOR
IC
600
7
VSP9402
DISPLAY &
DEFLECTION
PROCESSOR
IC
600
6
SDA9380B
IC303
M
S
P
3
410
G
S
O
UND
PR
OC
ES
S
O
R
+16V
-16V
+16V
-16V
TDA7480
TDA7480
C.R.T.
H.V.
VERT.
DEFLECT.
COIL
HORIZ.
DEFLECT.
COIL
H
D
IGI
T
A
L
MO
DUL
E
TV
Te
xtP
RO
OSD
IC6002
FLASH
MEMORY
NVM
IC6003
A
UDIO
A
UDIO
RG
B
+13V
Q 502
-13V
TDA 7480L
Q 503
VERTICAL
POWER
VER
T
IC
A
L
F
L
YBA
C
K
RG
B
CRT
M
O
D
U
L
E
HEATER
H.V.
+13 V
-13 V
+200 V
+25 V
H
O
RIZO
NTA
L
F
L
YBA
C
K
T
R
AN
SF
OR
M
E
R
T601
RG
B
A
UDIO
S
U
B
-CA
RRIE
R
C
VBS
IF
REG.
IC202
+33V
Q 601
HO
RIZO
NTA
L
D
E
FL
E
C
TIO
N
Q 602
EW
MO
DUL
A
T
O
R
EW
DRI
V
E
R
IC 601
H
.
DRIV
E
R
Q 605
Q 613
EW
H.O
U
T
IC708
LM317T
Q 710
IC704
CURRENT
LIMITER
Q796
Q706
IC 706
M 1000
IR
DETECTOR
PFC
IC701
Q701
T7
0
2
EMI
FILTER
2
3
0
V
AC
50H
z
ST-BY
D6001
Q6005
D6006
Q6007
SC 703
D723
+8V
+12V
IC 301
IC 302
FRO
NT M
O
D
U
L
E
SVM
SVM
M
A
IN
S
AR
EA
L
R
Y-
C
S-
VI
DE
O
ST-BY
VI
D
E
O
VI
D
E
O
F
R
O
N
T MO
DUL
E
28
/
32K
F-
84H
B
LOC
K
D
IA
GR
A
M
(
GA-200 CHASSIS)
SCREEN
FOCUS
+13V
ROTATION
-13V
AGC
FRONT VIDEO
T 1602
DYNAMIC MODULE (ONLY 32")
U
V
1316/
A
1-2
IC 706
IC 707
+16V AUDIO
-16V AUDIO
+12V
+5.5V
-6V
+150
V
1.8V
+3.3V
+2.5V STBY
+3.3V STBY
+8V
+3.3V
+150
V
+180
V
+13V
+1.8V
+5V
+3.3V
+5V STBY
+3.3V STBY
+5.5V
+13V
+8V
+3.3V STBY
+2.5V
+5V
+5V
+200
V
-13V
+13V
+13V
-13V
+13V
+5V
-6V
+5V
.
+12V
+12V
+150
V
+25V
FUSE
AUDIO OUT L
AUDIO OUT R
IC 3
0
4
M
5
218L
HEADPHONE CONECTOR
IC 5
0
2
BA4558
V
DRI
V
E
R
IC850-1-2
TD
A
6
1
1
1
RGB
AMPLIFIERS
IC 501
IC 1601
I2C
I2C33
I2C
I2C33
I2C
I2C
I2C
46
32KF-84H
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TROUBLESHOOTING TABLES
*Although the checking of these parts could be right, they may be partially damaged. So if the problem remains proceed
to replace all parts.
Test Point
to replace all parts.
Test Point
xx
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Test Point
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48
32KF-84H
* XXJF74E and XXKF84H models don’t have a stereo led. Please refer to “LED FLASHING CODES” (Page 13).
Test Point
Test Point
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