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I liked the price plus it had everything i needed to service the tv.
thankyou Tim Hertz
;
The manual is excellent, well detailed, and divided into two parts. Received very quickly. Thank you.
;
a solid deal - quick and without any problems.
I life in europe - with downloads no loosing time
once again
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got exactly what i ordered in a very timely manner. will use again for other manuals
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I'm happy. Good quality. Very helped me with my work..............................
70FW-57E
DESCRIPTION OF SCHEMATIC DIAGRAM
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. 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 MAINTAINING THE SAFETY AND PERFORMANCE OF THE SET. 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 HAZARD OF ELECTRIC SHOCK. WAVEFORM MEASUREMENT CONDITION: Colour bar genetator signal of 70 dB from RF input.
1 2 3 4
81FW-57E
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 µF, unless otherwise noted (P= µµF). 4. The capacitor with Part No. RC-FZ9XXXBMNJ is designed to with stand 63V.
CAUTION This circuit diagram is original one, therefore there may be light difference from yours.
GND GND GND
GND
580V
5 6
1.3 KV 31.25 KHz
7
4 Vp-p 31.25 KHz
8
350 Vp-p
100Hz
GND
41 Vp-p 31.25 KHz
9 10
1.8 Vp-p
100Hz
11
3.3V 100Hz
12
45 Vp-p 113 KHz FM
GND
19V 100Hz
13
25 Vp-p 100Hz
1.15 Vp-p 31.25KHz
400Hz
400Hz
15
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