Squawk and Talk test points

TP1 ground, TP2 +5 V, TP3 +11.5 V, TP4 -5 V, TP5 and TP6 the control voltages for speech and sound volume, TP7 AY-3-8912 output, TP8 E clock, TP9 speech chip output, TP10 VMA, TP11 speech chip clock, TP12 reset.

Systems

• Bally MPU AS-2518-35

Related tips

• Squawk and Talk supply needs
• Squawk and Talk LED flash codes
• Squawk and Talk: distorted sound or hum
• Squawk and Talk LED stays on and the board never boots
• Squawk and Talk stops at four flashes
• Squawk & Talk -61 and Say It Again -81 test points
• Speech quieter than sound effects until the game warms up
• Sound module -32 and -50 test points

Source: Repairing Bally Electronic Pinball Games from 1977 to 1985, Part Three, Clay Harrell (pinrepair.com)