Sanyo DP42746 Service Manual page 35

IC, DIODE, AND TRANSISTOR PIN LAYOUTS
INTEGRATED CIRCUITS
TOP VIEW
MARK
1
COUNT TERMINALS IN
ARROW DIRECTION
SIDE VIEW
1
1
1
1
PHOTO COUPLERS
TOP VIEW
1
1
3 3 2
2
1
1
GND
IN
(2)
(1)
TRANSISTORS
B
B B
E C E C
E
1
C
E
E
C
B
B
B ... BASE
C ... COLLECTOR
E ... EMITTER
CHIP TRANSISTORS
TOP VIEW
C
B ... BASE
C ... COLLECTOR
E ... EMITTER
OUT
(3)
B E
— 35 —
B
B
E C
C
E C
E C
E
C
B
B
CHIP RESISTORS
TOP VIEW
12 x 10 = 12K ohm
DIODES
A K
A
K
A K
K
A
K
A
K A
INFRARED EMITTING
A....ANODE
K....CATHODE
3