Sony HCD-GR7 - Page 108

Repair Procedure(2)
2) TC
Check if the symptom which
customer claimed can be
produced with Test tape WS-48
or general tapes.
NPF- No Problem Found
No
YES
(Replace TCM-220WR)
(*) If results as NPF try aging 1 hour and then return to 1) or 2).
HCD-RX70 Series