Pcb Connection Diagram - Pioneer PDA-4003 Service Manual

1
PDA-4003

4. PCB CONNECTION DIAGRAM

4.1 DOWN CONVERTER ASSY
NOTE FOR PCB DIAGRAMS:
A
1. Part numbers in PCB diagrams match those in the schematic
diagrams.
2. A comparison between the main parts of PCB and schematic
diagrams is shown below.
Symbol in PCB Symbol in Schematic
Diagrams Diagrams
B C E B
B C E
B C E B
B C E
D G S D
D G S
B
3. The parts mounted on this PCB include all necessary parts
for several destination.
For further information for respective destinations, be sure
to check with the schematic diagram.
4. Viewpoint of PCB diagrams
Connector Capacitor
P. C. Board Chip Part
C
D
A
14
1
2
A
DOWN CONVERTER ASSY
Part Name
C E
Transistor
C E
Transistor
with resistor
G S
Field effect
transistor
Resistor array
3-terminal
regulator
SIDE A
SIDE B
2
3
+
–
3
4
4