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I was very glad recieving the service manal from You. Additionaly very fast. Extremaly nice servicing. Thanks very mach! Now my GX-220 working better, than it was made. Alexander from Moscow, Russia/
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Sweet! I won the item on eBay and couldn't adjust the geometry or even keep a steady picure. This guide has the full schematics (not available anywhere else as far as I could tell), and was a bargain for the wealth of knowledge it contains. I hooked it up to my testing equipment, tweaked a few potentiometers and got it playing videogames in no time. Thanks!
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It was just what I need to fix my old BMW's CD player. Very convenient also. Thank you.
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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
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Great manual very clear copied. You are making an incredible job. I appreciate a lot the rapidity and your efficiency. Thanks a lot
GM-X922, GM-X1022
22
Three-channel mode, two-way system Connecting the Speaker
wires Output Terminals
The speaker output mode can be two-chan-
1. Expose end of the speaker wires Mid-high (Left) nel (stereo), one-channel (mono), or threeC1
speaker leads suit the mode according to nippers or a cutter. figures on the following pages.
Twist � When connecting to the speaker input, do not connect the RCA output. C1 Mid-high (Right) � When connecting to the RCA input, do not
by about 10 mm and twist using channel (stereo + mono). Connect the
L1 Woofer (Mono)
10 mm connect the speaker input.
Fig.
Two-channel mode (stereo) Three-channel mode, three-way system 2. Attach lugs to speaker wire ends.
Fig. 22 16
Lugs not supplied. High/mid-high
L2 C2
� Use pliers, etc., crimp lugs to wires. C1 (Left) (Left) Woofer/sub-woofer wire Speaker (Mono) (Right)
Lug Mid/mid-bass (Left)
L1
Fig. 17 C2 Mid/mid-bass L2 Fig. 20 (Right)
3. Connect speaker wires to the
High/mid-high
speaker output terminals. (Right) Fig. 23 � Fix speaker wires securely with the termi� Inductors (L1 and L2 in the diagrams) � After pass through the terminal cover, conact as low-pass filters. Capacitors (C1 nect the terminal and C2 in the diagrams) act as high-pass woofer/sub-woofer, and capacitors (C)
Speaker (Mono) are used for the high/mid-high.
One-channel mode (mono)
nal screws.
Terminal screw filters. Inductors (L) are used for the
� Remember when bridging an amplifier it will see only half of the original speaker Terminal cover Fig. 21
wire Speaker impedance. Therefore, you must use
output speakers that have ratings of 4 ohms or terminal higher. If you use speakers that have
Three-channel mode (stereo + mono) damage to the amplifier.
lower impedance ratings it may cause
4. Cover the terminals. but three channels can be achieved by solder them so they cannot be pulled
Fig. 18 channel/one-channel bridgeable amplifier, connected to the speaker wires, secure or
The power amplifier is basically a two� When the inductors and capacitors are
combining the stereo and mono modes loose. Tape or use heat shrink on the using inductors and capacitors. joints to prevent short circuits.
Fig. 19
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