Read Panasonic SC-EN25P / SC-EN26P / SC-EN27PC Service Manual online
FM
MIX
FM
OSC
AM
OSC
C1BB00001120
IC1
D1
AM
OSC
COIL
L7
AM
RF
AM
IF
REG
GND1
FM
IF
GND2
V
CC
2
AM
MIX
OSC
BUFFER
AM
IF
FM
IF
AM
DET
FM
DET
AGC
FM
S-METER
IF
BUFFER
SB
ST
TRIG
SF SW
PILOT
DET
FF
FF
FF
DE-
CODER
V
CC
1
V
SS
CCB
I/F
LPF
UNIVERSAL
COUNTER
DATA SHIFT
REGISTER
LATCH
VCO
PHASE
COMP.
MUTE
PROGRAMMER-
BLE DIVIDER
SWALLOW
COUNTER
UNLOCK
DETECTOR
PHASE DETECTOR
CHARGE MPX
REFERENCE
DEVIDER
THD
POWER ON
RESET
AM
RF-IN
REG
FM-MIX
GND1
AM-MIX
V
CC
1
AM
IF-IN
FM
IF-IN
P
DET
P
COMP
FM
DET
LOUT
R
OUT
V
SS
CE
DI
CL
DO
XIN
XOUT
V
DD
MPX-IN
DET
-OUT
AM
LO
W
-CUT
AG
C
PD
A-IN
A-OUT
B01
B02
AM-OSC
FM-OSC
V
CC
2
FM
RF-OUT
GND2
FM
RF-IN
FM
B.P.F.
L51
D3
D2
D3.3V
AM IFT
PLLDO
PLLCLK
PLLDI
PLLCE
R ch
SA-EN17(P,PC) BLOCK DIAGRAM
CD
OPEN
M
C0GAE0000007
IC351
MOTOR DRIVE
CD
CLOSE
M5.5V
6
M351
(LOADING MOTOR)
2,5,8
9
7
32
31
3
1
CD
OPEN
A
CDET
49
A
C
DET
P
.CONT
AG
D
A
T
A
A
G
CLK
51
33
34
PLL
CE
PLL
DO
PLL
DI
PLL
CLK
P
.CONT
AG
D
A
T
A
A
G
CLK
PLL
CE
PLL
DO
PLL
DI
PLL
CLK
38
35
36
37
MUTE
A
MUTE
B
45
MUTING
CONT.
QR804
STBY3.3V
V
SS
16
MN101C74FAB1
IC801
SYSTEM CONTROL / LCD DRIVE
VREF+
25
STBY3.3V
LCD
GND
VLC3
VLC2
VLC1
L801
BUP3.3V
9
5
6
7
V
DD
19
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
T1
CF2
CF1
X1
TELESCOPIC
ANTENNA
AM ANT
D9V
CD
CLOSE
C1,2
L2,
L3
TU5V
TP5
TP4
TP3
TU5V
D4
X2
(75kHz)
FM/AM IF AMP,
DET/AM OSC,
MIX/FM MPX
TP1
TP2
SWITCH-
ING
Q1
D3.3V
SC-EN25P / SC-EN26P / SC-EN27PC
32
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