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7
HCD-DZ250M/DZ555M/DZ850M
Discharge the charged electricity in capacitors to prevent electric shock as follows
When disassembling the machine, be sure to discharge the charged electricity in the following capacitors.
Use a resistor of 800 ohms, 2 Watts for discharging the following capacitors.
Use a resistor of 800 ohms, 2 Watts for discharging the following capacitors.
POWER board
C903: 440 V
C932, C933, C934, CN904: 30 V
C903: 440 V
C932, C933, C934, CN904: 30 V
MAIN board
CN3002: 30 V
CN3002: 30 V
Point of capacitor discharge for C932, C933, C934:
Connect to the red and black wire of CN904
Point of capacitor discharge for C903:
Connect to the foot of CN903
800
Ω
/2W
MAIN board service position
Please take the above-mentioned position in the repair of MAIN board.
In that case, it is necessary the following extension cable during CN304 on IO-S-OUT board and CN4302 on MAIN board .
In that case, it is necessary the following extension cable during CN304 on IO-S-OUT board and CN4302 on MAIN board .
jig P/N: J-2501-242-A
(pitch 1.00 mm/11p/length 300 mm)
(pitch 1.00 mm/11p/length 300 mm)
CN304
jig
MAIN board service position
CN4302
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