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BPF
RF Amp
CN101
Ant. IN
(3/5)
(A)
FL401
Q401
R F Block ( A)
fr +150.75MHz
Buffer (A)
VCO
CP601
LPF
Buffer (B)
PLL
IC601
8 MHz
9V DC
CN101 (4/5)
IN
Q201,
D205
Voltage Regulator
IC653
Voltage Regulator
IC652
Voltage Regulator
R F B lock (B)
CN101
FL101
Q101
Ant. IN
(5/5)
(B)
BPF
RF Amp
BPF
1st Mixer SAWF
2nd Mixer
Q404,405
Q402,
FL402
SWF401
10.7MHz
150.75MHz
Q403
Q305
Buffer (A)
AF Amp (A)
2nd LO
Q303
Q302
140.05MHz
Q304
CP302
Buffer (B)
AF Amp (B)
PLL Data
+9V
to RF and
AF Block
+6V
to RF and
AF Block
+5V
to PLL
+5V
to CPU
150.75MHz
10.7MHz
FL102
SWF101
Q104,105
Q102,103
BPF
1st Mixer SAWF 2nd Mixer
BPF(CF)
IF Amp
BPF(CF)
CF401
Q406
CF402
RSSI (A)
Diversity
Switch
Mute De-emphasis
IC203
IC201
IC201
IC202
IC202
AFM
Tone Det.
AF Det.
IC205,D201
TONE
Noise Det.
IC205,D202
BATT Det.
IC204,D204
DIV
RSSI (B)
CF101
Q106
CF102
IF Amp
BPF(CF)
BPF(CF)
RF-92 BOARD
BPF(CF)
IF Amp
Discriminator
IC402
CF403
IC401
AF (A)
AF Amp
Expander
LPF
CN101 (2/5)
IC203
IC207
IC206
IC206,D203
ALO
TONE
NOISE
CN101 (1/5)
AFM
CPU
BATT
IC701
DIV
RSSI (A)
RSSI (B)
LE
DATA
CLOCK
LD
8 MHz
AF (B)
IC102
CF103
IC101
Discriminator
IF Amp
BPF(CF)
Tuner Unit Block Diagram
WRR-802A
AF OUT
DP-305 BOARD
CN801
LCD
ND801
LED
D806,807,808
S801
S802
S803 S804
–
+
GP
CH
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