Block Diagram And Schematic Diagram - Pioneer RFD-1 Service Manual

1
RFD-1

3. BLOCK DIAGRAM and SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
• AC MODE
CN1
GND
AC-3
RF IN
GND
V+5V
B
Q4
2SC2412K
GND GND GND
IC5 (1/6,2/6) :
TC74HCU04AF
JA3
COAXIAL IN
1
GND
C
JA2
OPTICAL IN
1 2 3
V+5V
GND
CN2
S1
1
2
D AC220 - 230V
C
SW ASSY
6
1
2
70mVp-p
IC3 (1/2) :
Q1
MC14577CF
2SC2412K
8
2 -
1
+
3
4
GND
GND
Q5
2SC2412K
A
DEM ASSY
V+5V
14
2 4
3
7
GND
V+5V
V+5V
TRANSFORMER
CN3 CN4
FU1
1 1
2 2
2
3
B.P.F
Q3
Q2
2SA1037K
2SC2412K
GND GND
V-5V
: RF Signal Route
IC7 (1/4,2/4) :
TC74HC08AF
4
6
5
1
3
2
POWER
VTT1153 D203-D206
3
4
IC3 (2/2) :
MC14577CF
2SA1037K
6
-
7
+
5
GND
IC4 (1/2) :
GND
BA4560F
ALC
IC4 (2/2) :
7
BA4560F
X1
VCXO
18.432MHz
V+5V
IC200
LM2940CT-5.0
IC201
NJM79L05
V-5V
4
V+5V
Q6
V+5V
GND
8
- 2
1
+
3
4
- 6
+
5
GND