Sony HCD-TZ100 Service Manual page 5

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: 390V
C932, C933, C934, CN904: 30V
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 C903.
HCD-TZ100/TZ200/TZ300
800 /2W
5