DOWNLOAD Sharp 15FS-25H (serv.man3) Service Manual ↓ Size: 4.58 MB | Pages: 44 in PDF or view online for FREE

Model
15FS-25H (serv.man3)
Pages
44
Size
4.58 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR
File
15fs-25h-sm3.pdf
Date

Sharp 15FS-25H (serv.man3) Service Manual ▷ View online

25
15JF-25H
AN7523 (IC303)
Block Diagram
  Pin Descriptions
Note: Do not apply voltage or current to NC pin from outside
AN5522 (IC501)
Block Diagram
  Pin Descriptions
1
2
3
4
5
6
7
8
9
V
CC
Output
            GND
Output
Standby
Input
GND
N.C.
V
olume
Pin No.
Pin Name
1
Inverting Input
2
Power Supply
3
Pump-up Output
4
GND
5
Vertical Output
6
Vertical Output Power Supply
7
Non-inverting Input
Pin No.
Description
1
Vcc
2
Ch Output (+)
3
GND
4
Ch Output (-)
5
Stand-by
6
Ch Input
7
GND (Input)
8
N.C
9
Volume
Non-inverting Input
Output Vcc
Output
GND
Pump Up Out
Vcc
Inverting Input
1
2
3
4
5
6
7
Pump Up
Thermal Protection
Amp
+
-
15JF-25H
26
 SCHEMATIC DIAGRAMS
Description
Waveforms
NOTE:
1. The unit of resistance «ohm»is omitted (K=1000
ohms. M= Megaohm).
2. All resistors are 1/16 watt. unless otherwise noted.
3. All capacitors are 
µ
F, unless otherwise noted (P=
µµ
F).
4. The capacitor with Part No. RC-FZ9XXXBMNJ is
designed to with stand 63V.
5. The capacitor with Part No. RC-FZ4XXXBMNJ is
designed to with stand 50V.
WAVEFORM MEASUREMENT CONDITION:
Colour bar generator signal of 70 dB from RF input.
SERVICE PRECAUTION:
THE AREA ENCLOSED BY THIS LINE (           )
IS DIRECTLY CONNECTED WITH AC MAINS
VOLTAGE.
WHEN SERVICING THE AREA, CONNECT AN
ISOLATING TRANSFORMER BETWEEN TV
RECEIVER AND AC LINE TO ELIMINATE HAZ-
ARD OF ELECTRIC SHOCK.
CAUTION
This circuit diagram is original one, there-
fore there may be slight difference from
yours.
IMPOTANT SAFETY NOTE:
PARTS MARKED WITH  «
»  (
 
                      
) ARE
IMPORTANT FOR MAINTAINING THE SAFETY
OF THE SET. BE SURE TO REPLACE THESE
PARTS WITH SPECIFIED ONES FOR MAINTAIN-
ING THE SAFETY AND PERFORMANCE OF THE
SET.
!
SAFETY NOTE:
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD BE
REGARDED AS POTENTIAL SHOCK HAZARDS
WHEN THE CHASSIS IS OPERATING.
27
15JF-25H
15JF-25H
28
1
I
H
G
F
E
D
C
B
A
2
3
4
5
6
7
Schematic Diagram of Mother Unit (F7340N6, 00 Version)
Page 29
Page of 44
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