I'm having trouble subscribing to Apple TV using a balance in my Apple ID account

Do you have another payment method on file? Subscriptions require you to have a payment method on file.

If necessary, contact iTunes Support for assistance. See the Apple Support articles below for contact information.   

iTunes Support – world wide   -

Apple Support schedule phone call     -

Billings and Subscriptions   -

If necessary, use Twitter or Messages.

Apple on Twitter

Messages chat with Apple