Read Panasonic RF-800UGA / RF-800UGS Service Manual online
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
TUNER
CIRCUIT
2/2
1/2
TO TUNER
CIRCUIT (1/2)
CIRCUIT (1/2)
B
TO
USB CIRCUIT
(W101*)
IN SCHEMATIC
DIAGRAM - 3
USB CIRCUIT
(W101*)
IN SCHEMATIC
DIAGRAM - 3
USB CIRCUIT
(W104*)
IN SCHEMATIC
DIAGRAM - 3
(W104*)
IN SCHEMATIC
DIAGRAM - 3
B
TO
USB CIRCUIT
(W105*)
IN SCHEMATIC
DIAGRAM - 3
(W105*)
IN SCHEMATIC
DIAGRAM - 3
B
TO
JACK CIRCUIT
(W2*)
IN SCHEMATIC
DIAGRAM - 4
(W2*)
IN SCHEMATIC
DIAGRAM - 4
D
TO
JACK CIRCUIT
(W2*)
IN SCHEMATIC
DIAGRAM - 4
(W2*)
IN SCHEMATIC
DIAGRAM - 4
D
TO
BATTERY CIRCUIT
(W1*)
IN SCHEMATIC
DIAGRAM - 4
(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
10
V
100
C
6
7
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
10
V22
00
C
62
68
R65
SP*
CN2
CN1
CN2
1
2
SVR
R70
2.2
3
1
2
0.1
C70
0.068
C61
10K
R66
C
6
5
10
V
100
6
4
5
C
66
10
V
100
R17
27K
C60
1000P
Q5
B1ABCF000176
8
7
14
9
12
11
10
2
3
1
5
3
1
6
4
IC2
C1BA00000424
R82
47K
47K
33K
R77
10
C40
USBGND
PGND
1
2
AGND
R25
3.3K
R24
100K
R27
1K
C51
10
V
100
2
4
3
1
6
5
CN101
CN104
50V2.2
C50
POWER SWITCH
MUTE SWITCH
Q2
B1ABCF000176
IGND
B
S2
OUT
2
BTL OUT
DC
NF
2
IN
2
GND
SP +
SP -
B-
B+
SP -
SP +
B+ BATT
HP +
B- BATT
IN1
PRE-GND
B
S
1
V
CC
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
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