Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-DV280 Viewing SGML_VIEW_DATA EU SA-DV280EG SVC mbl_all
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Z101 TUNER UNIT (RAN0005EM-2)
FM ANT AM ANT
+B(FM)
Q607
RF AMP FM IFT AM AM (Q608)
MIXER ANT OSC 13 X1
+B2
COIL COIL Rch W501 MUTING
+B(FM)
FM IF TUNER L/C 14
+B(FM) FM / AM I F AMP, 1
BUFFER AMP DET / AM OSC,
FM OSC AMP X0
MIX / FM MPX TUNER Rch 2 Rch
(LA1833MN)
+B(FM) A.GND 3
12
DET BU4053BCFE2
FM:ON Lch IN 4 IC201
1
SIGNAL SELECTOR
Rch IN 5 Rch
Y1 15 Q605
+B(10V) 6 +B5
2 Y0 MUTING
3 22 23 21 20 19 18 17 16 15 13 14 SUR L 7
AM RF
OSC
Rch
PILOT
Lch
AFC
AM
OUT
OUT
PILOT
MPX
AGC
DET
REG
OUT
AM
IN
Rch
IN
SUR R 8 8
IN
G SW CONT.
DECODER
AM ALC AM S.W 9
OSC AM AM AGC
24 OUT OSC MIX RF To SOUND PROCESSOR 16
BUFEER AMP MIC 10 +B4 VDD
(SH-DV280)
BLOCK DIAGRAM 7
PHASE STEREO PILOT -B(-10V) 11 -B3 -B3 VSS Q902
DET SWITCH CANCEL
AM AM A B C MUTING
IF DET V.GND 12 +B4
CONT.
LEVEL 11 10 9
DET AM/FM D.GND 13
FM IF IF
IN
S- BUFFER
1 CURVE COMP CE/REQ 14
FM IF PILOT
VCO FF FF FF
FM TUNING DET CLK 15
DET DRIVE
DATA 16
FM/AM
FMDET
MONO
STRQ
AM IF
OUT
MIX
AM
SD
ST
Vcc GND
IN
CT.GND 17
9 8 2 4 6 10 5 11 12 7
SH FL1 18
+B2 From POWER
+B2 TRANSFORMER
AM SH FL2 19
IFT
SYNC 20
SD
SHSYNC
18
AOUT
17 7.2MHz
AIN XIN 1
16 PD PHASE DET REFERENCE
CHARGE PUMP DIVIDER
XOUT 20
11 IFIN FM IN 14
SWALLOW COUNTER 1/2
1/6,1/17 4BIT
96 95 97 94 21 6 93
AM IN 13
SH DO
SH CK
SH CS
SH DI
ST/AV.
6CH
SH REQ
MUTE3
12 BIT
PLL FREQUENCY PROGRAMMABLE
SYNTHESIZER DIVIDER
(LC72131M) C2BBFD000317
CE 2 CE1 IC901
DI 3 DATA1 SYSTEM CONTROL / FL DRIVE
LC72 DI/ST
UNIVERSAL
4
LC72 DO
LC72 CE
MIC DET
COUNTER
LC72 CK
DATA SHIFT CL CLK1
TUNER
REGISTER LATCH D0 5 DATA IN
SEL/
Power
SD
+B(FM) 19 Vss
ON 6
BO1
RESET
3 4 5 2 100 10 25
BO4
BO3
BO2
IO2
IO1
VDD
Power
+B1 supply
DATA IN
(FM:ON) 15
DATA1
10 12 7 8 9
CLK1
CE1
SD
+B2
+B8
SA-DV280(EB,EG) BLOCK DIAGRAM
PHONES
R ch
RSN311W64B
19 IC601
Q609 POWER AMP
(Q610) (18)
MUTING 20
Q606
3
+B7
MUTING
D601 D974
POWER CONTROL 6
CIRCUIT +B3
15
26
(25) 1
(2)
SURROUND
(8 )
+B2 C1BB00000527
IC151 23
RDS SIGNAL DEMODULATOR 5
CENTER
(8 )
3,11 1 5 6
11 SPEAKERS
VREF FLOUT CIN Q612 (12)
VDDA/D
CLOCK +B5 MUTING
PLL CONT. HF
RECOVERY
REFERENCE (57kHz)
(1187.5kHz) (6 )
VOLTAGE
4,10 VssA/D 22
8
VREF
CLK 15
LF
2 57kHz DATA (8 )
MPX IN ANTIALIASING SMOOTHING DATA 14 24 Q503,D558
BPF DECODER
FILTER (SCF) FILTER
9 SWITCH-
POWER CONTROL/ ING
PROTECTION CIRCUIT 14 -B3 +B4
CLK(4.332MHz)
7 TEST RDS-ID IDR 16
TEST DETECT/ Q551,554, SIGNAL
RAM 555 LEVEL DET.
OSC/DIVIDER
N
GND D907
Q601,602
MODE
13 21 4 10 16 7
XIN XOUT RST
D602 PRO- MOTOR
9 8 12 13 TECTOR DRIVE D906
-B1
Q553,556,
-B2 557
X151
(4.33MHz)
M
POWER
AC IN
FAN MOTOR
DET
POWER
SASYNC
X901 X902 Z901
(6MHz) (32.7kHz) (REMOTE +B8
VR901
(VOLUME) SENSOR)
-VP
24 23 16 17 13 14 29 28 27 91 11 98 88 86 26 51
XC IN
X IN
MUTE
VR JOGB
RDS DATA
MUTE2
VR JOGA
RDS CLK
HP SW
-VP
REMO-
AC IN
E DET
POWER
XC OUT
X OUT
CON
C2BBFD000317
IC901
SYSTEM CONTROL / FL DRIVE
STAND-BY
KARAOKE
S.W LED
REGIN0
REGIN1
KEY TU
CHECK
RESET
P1~38
TIMER
1~8G
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