Test Point Waveform - Akai 21CTF66BC Service Manual

VCC1
PUMP UP
GND
6. Test point Waveforms
2.0Vpp
H
TDA111XX PIN1
TDA111XX PIN24
95Vpp
H
CRT KR
1Vpp
V
TDA111XX PIN15
TDA111XX PIN14
2 Power
3 Pump up power
4 Ground
1.2Vpp
1.3Vpp
H
TDA111XX PIN44
95Vpp
95Vpp
H
CRT KG
CRT KB
22Vpp
0.8Vpp
V
H
HEATER
VCC2
NON INV IN
1.2Vpp
H
TDA111XX PIN45
0.9Vpp
H
H
TDA111XX PIN56 TDA111XX PIN57
2.7Vpp
H
V451 B
10
6 Output power supply
7 Negative feedback
1.2Vpp
H
TDA111XX PIN46
5Vpp
H
1000Vpp
H
V451 C