Typical failu 2SC4927 shorted horizontal output, bad
connections @ the horizontal drive transformer, shorted
Q601, & 602 2SC4834 PWM switching regulators, open
.1 ohm fusible resistor R607, VDR 601 bad 1-807-288-11,
& "possibly" bad VDR 602, & 603, but these are usually ok.

Use Sony SP-Kit, & VDR 601. # 1-807-288-11, Sky.