C.E.C. 780CD Service Manual page 36

IC & TRANSISTOR LEAD IDENTIFICATION(Continued)
L78M05 TOP/SIDE VIEWS FA5205P BLOCK DIAGRAM
vec +V IN4 -V INS V OUTS Vee vee Veco 3. V OUTS -V IN3 +V INS
CURRENT LIMITER
STARTING
CIRCUIT
+V INt -v IN1 V OUTI Veco! Vee Vee V OUT2 -V IN2 +V IN2 Vee
a OVER HEAT
PROTECTOR
INPUT | GND {OUTPUT
L78Mos 1 2 | 3
NJM78MOSFA 3 2 1
MC74HCOO BLOCK DIAGRAM
- v2
Y=AB
' TA79LOO6P BLOCK DIAGRAM a3
_ ¥3
12
Aa - Wy,
Vcec= 14
GNO= 7
LC7881 BLOCK DIAGRAM
CHIOUT VREFH VREFL CH20UT
Pw
DAC
R-STRING R-STRING '|
DAC DAC
LEVEL SHIF LEVEL ie
Dac eee Bac
LA9200NM BLOCK DIAGRAM
RFSM PHLD
BHLD FEA+ FEA-
FEAO FSW VCO-
vCOC DRF PDO GND
CHI LATCH
16
[exe vate LATCH
TSTOUT GND GND Voo
NJM2068S BLOCK DIAGRAM
UPC4570HA BLOCK DIAGRAM
LA6458SS BLOCK DIAGRAM
ve A-IN v- B-IN ve
Fo TEAO TES! VR3 TPA+ TPA- TPRO TOFS THDS JPO UP- UPs A OUT AtIN B+IN B OUT