Philips PM2521 Operating Manual page 135

ANALOG SECTION
VOLTAGE ATTENUATOR
RMS CONVERTOR OQ 0061
CURRENT SOURCE OQ 0063
SHUNTS
TIMER/COUNTER COMPARATOR
TRIGGER LEVEL CIRCUIT
ADC 00 0060 00 0064
fj P. 8035
ROM 4k
DISPLAY CONTROL
ANALOG CONTROL
SWITCH DECODING
DISPLAY DECODING
LX DISPLAY
ST 3007
Blockdiagrar
Blockschaldl
Schema sync