Sony HCD-DZ3K Service Manual page 5

HOW TO OPEN THE DISC TABLE WHEN POWER SWITCH TURNS OFF
Insert a tapering driver into the aperture of the unit bottom, and slide it in the direction of the arrow.
loading panel
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.
POWER board
C903 : 600V
C932, C933, C939, CN902 : 30V
MAIN board
CN3002 : 30 V
MAIN BOARD (Parts face side)
* Connect the specified resistor
between black and red leads
POWER BOARD
tapering driver
(Parts face side)
C932
C933
CN3002
BLACK
RED
CN902
C939
C903
HCD-DZ3K
5