gtr7781 Followers, 24 Following, 26 Posts - See photos and videos from GTR77 (@bengkel_gtr77)Sony HCD-GTR77 Manuals · Specifications. 1 · Table of Contents. 2 · Leakage Test. 2 · 1 Servicing Notes. 5 · 2 Disassembly. 5. Disassembly Flow. 5. Case (Side