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Original well scanned manual. Got the job done. Microwave problem found & corrected. For $5 and a new magnitron from ebay, it was a cheap and good the first shot fix. Electrical schematics allowed me to mage sure every thing else was ok before cutting and order for parts. Hard to live without.
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I was very skeptical of this website, I have never downloaded manuals before. I put it on the AMEX and payed through Paypal to ensure protection. I got the manual exactly as described and now I can replace the filter capacitor for this amp. Great Price, others selling for 12.99 or more and this is the same manual. I will search out this website for other manuals. Thank you
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Manual was reasonably easy to follow. I am not an engineer or know much about electronics but with the manuals help I was able to figure out the problem, identify the part required for the repair. Replacement part cost around $30. Whilst replacing the part I was telling myself, "this aint gonna work cos it seems far too easy". Took about 15 minutes to do and my plasma TV works a treat. Would never have been able to do this without the service manual.
CONNECTING THE SPEAKER WIRES
(1) GM-X422/X1R/UC, GM-X322/X1R/UC (2) GM-X422/X1R/ES
two-chanThree-channel mode, two-way system The speaker output mode can be two-channel (stereo), one-channel (mono). nel (stereo), one-channel (mono), or threeTo connect speaker leads to suit mode. Connect the speakers channel (stereo + mono). To connect according to figures on the following pages.
� When connecting to speaker input, do not connect the RCA output. speaker leads to suit mode. Connect the � When connecting to RCA input, do not connect the speaker input. speakers according to figures on the folMid-high (Left) � When connecting to the speaker input, do not Speaker input
C1 Mid-high (Right)
lowing pages. C1 Two-channel (stereo) One-channel mode (mono)
(Right) � When connecting to the RCA input, do not L1 connect the speaker input. (Left)
connect the RCA output.
Woofer (Mono)
Two-channel mode (stereo)
Three-channel mode, three-way system
C1 (Left) Speaker (Mono) (Left)
(Right) Fig. 20 Speaker input (Left) High/mid-high Speaker (Right) Mid/mid-bass
L2 C2
(Left)
L1
22 Fig. 23 (Left) Woofer/sub-woofer
Speaker (Mono) (Right)
Fig. 18 (Right)
High/mid-high (3) GM-X422/X1R/EW One-channel mode (mono) (Right)
Mid/mid-bass L2 C2
(Right) The speaker output mode can be two-channel (stereo), one-channel Fig. 21 Speaker input (mono). To connect speaker leads to suit mode. Connect the speak� The inductor (L1 or L2 in the diagram) (Left) ers according to figures on the following pages.
acts as a low-pass filter. The capacitor (C1 or C2 in the diagram) acts as a highpass filter. The inductor (L) shall be used Two-channel (stereo) One-channel mode (mono) on the woofer/sub-woofer, and that a capacitor (C) shall be used on the high/mid-high.
Speaker (Mono)
Speaker (Mono) � Remember when bridging an amplifier it
Three-channel mode (stereo + Speaker speakers that have ratings of 4 ohms or mono)
lower impedance ratings it may cause channel/one-channel bridgeable amplifier, damage to the amplifier. but three channels can be achieved by combining the stereo and mono modes connected to the speaker wires, secure or using inductors and capacitors. solder them so they cannot be pulled loose. Tape or use heat shrink on the joints to prevent short circuits.
will see only half of the original speaker Fig. 19 impedance. Therefore, you must use (Left) higher. If you use speakers that have
(Right)
The power amplifier is basically a two-
GM-X422, GM-X322
24 Fig. 25
� When the inductors and capacitors are
19
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