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Fast access, 100% correct and complete service manual
just what i was seeking .had a password issue but the review allowed me to circumvent and download was great
Great manual, great price. Has a few of the basic operating instructions that most service manuals leave out. Complete instructions for disassembling board by board, safety precautions, schematics, complete parts list.
I am very pleased with the service manual for my RT-909. This was an easy purchase and great procuct, and much cheaper than other venues i had looked at. This web site is now listed in my favorites list. KEEP UP THE GOOD WORK. THANKS. J. BROWN
A very well written and easy to understand manual.
SECTION 4 ELECTRICAL ADJUSTMENTS
TEST MODE This set have the test mode function. In the test mode, FM Auto Scan/Stop Level and MW Auto Scan/Stop Level adjustments can be performed easier than it in ordinary procedure. <Set the Test Mode> 1. Set the âpower selectâ switch (S700) is âA (ON) â position. 2. Turn ON the regulated power supply. (All LEDs on the set lights up, and the clock is displayed.)
Note: Press the [OFF] button, if the clock is not displayed.
Procedure: 1. Set to the test mode. 2. Push the [SOURCE] button and set to FM. Display
3. 4. 5. 6.
Push the preset  button. Push the preset  button. Press the preset  button for more than two seconds. Then the display indicates all lights, the test mode is set.
3. Adjust with the volume RV2 on TU1 so that the âFMâ indication turns to âFM0â indication on the display window. But, in case of already indicated âFM0â, turn the RV2 so that put out light â0â indication and adjustment. Display
<Release the Test mode> 1. Push the [OFF] button. 2. Return the âpower selectâ switch (S700) to initially set position.
See the adjustment location from on page 16 for the adjustment.
Adjustment Location: See page 16. FM Stereo Separation Adjustment Setting: [SOURCE] button: FM
FM RF signal generator antenna jack (J1) 0.01 ÂµF set 4â¦ + â level meter
MD section adjustments are done automatically in this set.
0 dB=1 ÂµV
Cautions during repair When the tuner unit is defective, replace it by a new one because its internal block is difficult to repair.
Carrier frequency Output level Mode Modulation
Note: Adjust the tuner section in the sequence shown below. 1. FM Auto Scan/Stop Level Adjustment. 2. FM Stereo Separation Adjustment. 3. MW Auto Scan/stop Level Adjustment. 4. RDS S-Meter Adjustment.
: 98.0 MHz : 70 dB (3.2 mV) speaker out terminal : stereo : main: 1 kHz, 33.75 kHz deviation (45%) sub: 1 kHz, 33.75 kHz deviation (45%) 19 kHz pilot: 7.5 kHz deviation (10%)
FM Stereo signal generator output channel L-CH R-CH L-CH L-CH R-CH R-CH A B Adjust RV4 on TU1 for minimum reading. C D L-CH Adjust RV4 on TU1 for minimum reading. Level meter connection Level meter reading (dB)
FM Auto Scan/Stop Level Adjustment Setting: [SOURCE] button: FM
FM RF signal generator
antenna jack (J1)
Carrier frequency Output level Mode Modulation : 98.0 MHz : 22 dB (12.6 ÂµV) : mono : 1 kHz, 22.5 kHz deviation (30%)
L-CH Stereo separation: A-B R-CH Stereo separation: C-D The separations of both channels should be equal. Specification: Separation more than 30 dB Adjustment Location: See page 16.
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