Pioneer GM-A6704/XEEW5 Manual de serviço - Página 4
Procurar online ou descarregar pdf Manual de serviço para Amplificador Pioneer GM-A6704/XEEW5. Pioneer GM-A6704/XEEW5 23 páginas. Bridgeable four-channel power amplifier
Imprimir página
1
1.3 NOTES ON REPLACING PARTS
Be careful in handling ICs. Some ICs such as MOS type are so fragile that they can be damaged by electrostatic
induction.
A
Please be careful of not to apply static charge onto integrated circuits, etc, when you conduct repair work.
Especially, please use soldering iron with its tip grounded.
Also, please use a pair of tweezers with static charge protection capability if there is the possibility of contacting to
device terminals, and avoid the use of metal-made tweezers.
When you replace a part fixed to the heatsink (Q141, Q142, Q241, Q242, Q341, Q342, Q441, Q442, D6, D7, Q9, Q10,
Q11 and Q12), adjust the position of the part according to the following.
B
C
D
E
Note : Even if the unit shown in the photos and illustrations in this manual may differ from your product, the procedures
described here are common.
F
4
1
2
Put the P.C.B TOTAL ASSY on blocks.
Put a paper between the block and the P.C.B TOTAL
ASSY, and outline transistors and diodes.
Put a part to replace in the outline.
Align the bottom of a transistor or a diode with the
top of the PC board, and solder it.
Apply grease, GEM1057 to the back of the part.
GM-A6704/XEUC
2
3
3
4
4