Sharp 32JF-77 (serv.man15) Service Manual ▷ View online
33
32JF-77H
(Q)
L864
(B)
Q5407
C
Q5408
(MO)
IC1601
(G2)
L2
(H)
(K)
(RT)
(SVM)
IC851
IC850
IC852
PWB B- CRT Socket Unit, F7269N4
PWB C- Digital Module Unit, F7359N4A
8
5
4
1
IC6010
64
49
48
33
32
17
16
1
128
97
96
65
64
33
32
1
48
25
24
1
IC6003
1
8
(VI)
(YC)
3
1
X6003
X6001
IC6007
1
20
21
40
41
60
61
80
1
8
(K)
(RT)
1
4
(RS)
IC6006
(YB)
(YA)
54
28
1
27
IC6002
X6002
IC6001
(FI)
2
1
1
2
IC6011
1
3
34
32JF-77H
PWB D- Power Switch Unit, FB452N0B
S6701
IS INDICATED WITH
THE ACTIVE SECTION
CAUTION
THE " " SYMBOL
B
FB452WJN0
KB452WJ
LP6701
F6701
1
2
3
(M)
(A)
2
1
S6704
S6703
S6702
ESPA¥A
T3.15AH
4
2
6
5
3
1
7
(HD)
(SS)
C6701
S6706
M6702
4
(SWRC)
1
(YC)
COLD
HOT
VOL(-)
VOL(+)
CH(DOWN)
CH(UP)
CAUTION !
PWB G- SPDIF Module Unit,
FB794N1A
FB794N1A
(L7)
ESPA¥A
L1601
K7271BM
C1603
T1602
54
3
2
1
(F)
5
4
3
2
1
(FF)
C1602
C1601
THE " " SYMBOL
CAUTION
THE ACTIVE SECTION
IS INDICATED WITH
(L5)
PWB E- Dynamic Focus Module Unit, F7271N5A
PWB F- Audio Module
Unit, FB782N1A
Unit, FB782N1A
PWB H- Amplifiers
Module Unit, FB790N2
Module Unit, FB790N2
35
32JF-77H
Waveform Measurement Condition
1. Test Equipment:
Digital Oscilloscope
Colour TV Pattern Generator
Colour TV Pattern Generator
2. Test Conditions:
CH-12
Colour Bars
Audio Standard: FM mono, 1KHz
RF Antenna input level :70dBµV
Colour Bars
Audio Standard: FM mono, 1KHz
RF Antenna input level :70dBµV
3. TV Condition:
Picture: Settings ! Factory Preset
Audio: Settings ! Factory Preset (Also it is necessary to assure that the TV set is in “Bypass” Mode and
increase the volume of the speakers and headphones to the 100%)
Audio: Settings ! Factory Preset (Also it is necessary to assure that the TV set is in “Bypass” Mode and
increase the volume of the speakers and headphones to the 100%)
SCHEMATIC DIAGRAMS
Description:
!
Red In
Green In
Waveforms
Blue In
NOTE:
1. The unit of resistance « ohm »is omitted (K=1000
ohms. M= Megaohm).
2. All resistors are 1/8 watt. unless otherwise noted.
3. All capacitors are
ohms. M= Megaohm).
2. All resistors are 1/8 watt. unless otherwise noted.
3. All capacitors are
µ
F, unless otherwise noted
(P=
µµ
F).
SERVICE PRECAUTION:
THE AREA ENCLOSED BY THIS LINE ( ) IS
DIRECTLY CONNECTED WITH AC MAINS VOLTAGE.
WHEN SERVICING THE AREA, CONNECT AN ISO-
LATING TRANSFORMER BETWEEN TV RECEIVER
AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC
SHOCK.
DIRECTLY CONNECTED WITH AC MAINS VOLTAGE.
WHEN SERVICING THE AREA, CONNECT AN ISO-
LATING TRANSFORMER BETWEEN TV RECEIVER
AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC
SHOCK.
CAUTION
This circuit diagram is original one, therefore
there may be slight difference from yours.
This circuit diagram is original one, therefore
there may be slight difference from yours.
SAFETY NOTE:
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD
BE REGARDED AS POTENTIAL SHOCK HAZ-
ARDS WHEN THE CHASSIS IS OPERATING.
BE REGARDED AS POTENTIAL SHOCK HAZ-
ARDS WHEN THE CHASSIS IS OPERATING.
IMPORTANT SAFETY NOTE:
PARTS MARKED WITH «
» (
)
ARE IMPORTANT FOR MAINTAINING THE
SAFETY OF THE SET. BE SURE TO REPLACE
THESE PARTS WITH SPECIFIED ONES FOR
MAINTAINING THE SAFETY AND PERFORM-
ANCE OF THE SET.
SAFETY OF THE SET. BE SURE TO REPLACE
THESE PARTS WITH SPECIFIED ONES FOR
MAINTAINING THE SAFETY AND PERFORM-
ANCE OF THE SET.
1
3
2
36
32JF-77H
Red Output
Green Output
Blue Output
Video Output
+12V
E-W Output
V Switch
V Control St-By
Vp
Vertical Input
Inner Correction
5
E-W Control 2
4
6
7
8
9
10
11
12
13
14
15
Vertical+Input
H Control
VH (1.2kV)
16
17
18
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