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The manual is of better quality compared to other. I found it less expensive and therefore it it is the best buy cost vs quality.
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I bought the service-manual of the sony ICB-1020(an old transmitter-receiver) at "www.Owners-Manual.com", I found the service-manual for a fairly cheap price(in comparison with other sellers). I filled in some questions, payed the order with Ideal, and within 24 hours I had my service manual. I was very happy:In no time I had my service-manual and everything, but literally everything was noted down in the manual; the electronic scheme, the parts list, etcetera.
A very practical, reference-document.
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This comprehesive service maual was greatly appreciated, as was the digital download.
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Good en helpfull black and white scanned Srfvice manual of the Philps D8444. Quick service and delivery
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Scan was really good quality, easy to read, download easy
BLOCK DIAGRAM
Antenna
3 1 TU200 Tuner 2 Q200 IF Amp.
IC200 4 Video Sound Det. FM AFT Circuit AGC Circuit VR600 Audio Amp. Volume Control IC600 Speaker
7
IC500
5
IC300 Chroma Circuit Common Driver LCD
Tuning Voltage Generator
6
IC700 Osc. Display Control A-D Converter Auto-Tuning Control
Segment Driver
VR800
8
Q800 ~ Q806, Q810, Q811 Display Voltage Generator
Power Supply
VCC2 (4.3 ± 0.02 V) VCC7 (41.6 ~ 51.6 V) VEE1 (-6.5 ~ -8.0 V)
Brightness Control
1 � Color Tuner: TU200 TEPE5-02 Selects a desired radio wave and changes it to the video IF signal. 2 � Video IF Amp.: Q200 2SC4238 Amplifies the video IF signal output from the tuner TU by 10 times (20 dB). 3 � Video Det./Sound Det./FM Det./AFT/AGC: IC200 M51348FP Eliminates the carrier wave in the video IF signal, and picks up the video signal and the sound IF signal. Also, the sound signal is picked up from the sound IF signal by FM detection. 4 � Audio Amp.: IC600 NJM2070M Sound amplification. 5 � Chroma Circuit: IC300 M52045FP Generates the tricolor (red, green, and blue) from the video signal. 6 � Osc./A-D Converter/Display Control/ Auto-Tuning Control : IC700 MSM6625-01 GSK-640E Converts the color signal into a digital signal. Also, generates the clock pulse for the display and controls the display. 7 � Tuning Voltage Generator: IC500 MSC1169MS-K Generates the tuning voltage with the tuning pulse (TU) output from 6. 8 � Display Voltage Generator: IC800 BA10358F, Q800 ~ Q806 Q810 Q811 2SD1149-S, 2SD601A-R�3, 2SB709A-R Generates the display voltages V0 ~ V4 with VEE1 and VCC7 outputs from the power supply.
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