Panasonic RF-800UGA - Page 30

30
9.3. TUNER CIRCUIT (2/2)
15 16 17 18 19 20 21 22 23 24 25 26 27 28
15 16 17 18 19 20 21 22 23 24 25 26 27 28
A
C
D
B
E
G
H
F
NOTE: “ * ” REF IS FOR INDICATION ONLY
A
TUNER CIRCUIT
SCHEMATIC DIAGRAM - 2
RF-800UGA/GS
TUNER CIRCUIT
2/21/2
TO TUNER
CIRCUIT (1/2)
B
TO
USB CIRCUIT
(W101*)
IN SCHEMATIC
DIAGRAM - 3
USB CIRCUIT
(W104*)
IN SCHEMATIC
DIAGRAM - 3
B
TO
USB CIRCUIT
(W105*)
IN SCHEMATIC
DIAGRAM - 3
B
TO
JACK CIRCUIT
(W2*)
IN SCHEMATIC
DIAGRAM - 4
D
TO
JACK CIRCUIT
(W2*)
IN SCHEMATIC
DIAGRAM - 4
D
TO
BATTERY CIRCUIT
(W1*)
IN SCHEMATIC
DIAGRAM - 4
C
TO
P1
P2
: FM SIGNAL LINE
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
SPEAKER
R23
1K
R69
2.2
6.8K
R13
R20
1.8K
C38
1
3
2
1
VR1
10V100
C67
6.3V1000
C68
1
2
C69
POWER AMPLIFIER
0.1
10V100
C64
R64
47
C35
8200P
0.027
C32
R14
0
R19
6.8K
10V100
C63
C33
0.01
C71
6.3V1000
J
PGND
J
J
L34
0
AGND
IGND
USBGND
10V2200
C62
68
R65
SP*
CN2
CN1
CN2
1
2
SVR
R70
2.2
3
1
2
0.1
C70
0.068
C61
10K
R66
C65
10V100
6
4
5
C66
10V100
R17
27K
C60
1000P
Q5
B1ABCF000176
87 149121110
2315 316 4
IC2
C1BA00000424
R82
47K
33K
R77
10
C40
USBGND
PGND
1
2
AGND
R25
3.3K
R24
100K
R27
1K
C51
10V100
2
4
3
1
6
5
CN101
CN104
50V2.2
C50
POWER SWITCH
MUTE SWITCH
Q2
B1ABCF000176
IGND
BS2
OUT2
BTL OUT
DC
NF2
IN2
GND
SP +
SP -
B-
B+
SP -
SP +
B+ BATT
HP +
B- BATT
IN1 PRE-GND BS1 VCC NF1 OUT1
GND
DETECTOR OUT
USB GND
AUDIO GND
1
2
CN105
GND
AUDIO GND
PGND
MUTE
COM(LINE)
+B(6 VOLT)
+B TUNER
1
2
SP*
SP +
SP -
+
-
VCC DC IN