Panasonic SA-HT540E Service Manual page 53

TUNER PACK
FM ANT
1 7
MIXER
RF AMP
5
OSC BUFFER
6 8
+B (FM)
24 23
ALC
AM
OSC
BUFFER
LEVEL
DET
FM IF
AM IFT
1 2
PLL FREQUENCY
SYNTHESIZER
(LC7213MDTRM)
16
PHASE DETECTOR REFERENCE
CHARGE PUMP DIVIDER
UNLOCK
DETECTOR
18 SWALLOW COUNTER
1/2
1/6,1/17,4 BITS
17
12 BITS
PROGRAMMABLE
DIVIDER
11
UNIVERSAL
COUNTER
SHIFT REGISTER LATCH
15 POWER ON
+B
RESET
19 10 7 12 6 9
+B
POWER
SUPPLY
+B (FM:ON)
(FM)
AM ANT
FM
AM AM
IF AMP
ANT OSC
COIL COIL
AMP
22 21 20 19 18 17 16 15 14 13
AM AM
DECODER
MIX RM AMP
PHASE
DET
AGC
S-CURVE
STEREO
SWITCH
AM IF AM DET
AM/FM
IF
BUFFER
FM
COMP
DET
VCO
TUNING
DRIVE
FF FF
REG
REG
3 4 5 6 7 8 9 10 11
+B
+B
X103
1
20
14
13
DO 5 ST/DO
CE 2 CE
C2B
DI 3 DI
I/F
CL 4 CL
8
IC2801
C9ZB00000461
VIDEO DRIVE
+B
Y/PY/G 11
10
SEL
CB/PB/B 13
Rch
CR/PR/R 15
TUN L
7 SEL
FM/AM IF AMP,
DET/AM OSC MIX
Y 8
/FM MPX
(LA1833NMNTLM)
6
Q2804
14
MUTE 2
MUTING
PILOT
CANCEL Q2801 5
MUTE 1
MUTING
C 4
1,16
+B
VCC 1
12
GND
IC1101
C9ZB00000461
PILOT
VIDEO DRIVE
FF
DET
Q1007
11
AMP
12 10
SEL
13
15
7 SEL
8
6
14
MUTE 2
4
1,16
+B MUTE 2
IC2005
12
GND
C1BB00001008
RDS DEMODULATOR
4 16
MUX RDS CLK
2
RDS DA
88 27 81 46
Q2006
42
ZFLAG
MUTING DVD MUTE
DVD CLK 28
DVD CLK
DVD CMD 30
DVD CMD
DVD STAT 29
DVD STAT
ST/DO 37
TUN DO
DI 38
TUN DI
SD 35
TUN SD
CE
NC
CL 36
TUN CLK
53
IC2802
C1AB00001731
VIDEO BUFFER
H
BIAS
CY IN 12 MHz IN1
6dB CY OUT 24 6
OUT 2
LPF 75
4 IN2
23
CLAMP L
1
CY SAG SW
CB IN
12 MHz 21 JK2001
BIAS 6dB CB OUT
LPF 75
CB(GREEN)
20
CB SAG
CR IN 12 MHz 18 JK2001
BIAS 6dB CR OUT
LPF 75
CR(BLUE)
17
CR SAG
Y IN 6 MHz
CLAMP 6dB Y OUT 27
LPF 75
26
Y SAG
H
CV IN
CLAMP 6dB
6 MHz 30 JK2001
V OUT
LPF 75
VIDEO OUT
+
29
L
V SAG
C IN C OUT 32 C
6 MHz
BIAS 6dB 75
LPF
19,22,25
GND2
BIAS H
CY IN 12 MHz
CY OUT 24
6dB
LPF 75
CLAMP L 23
CY SAG
CB IN 12 MHz
BIAS 6dB CB OUT 21
LPF 75
IC1102
20
C1AB00001731
CB SAG
VIDEO BUFFER
CR IN 12 MHz 6 IN1
CR OUT 18
BIAS 6dB
LPF 75
4 IN2
17
1
CR SAG SW
Y IN 6 MHz
CLAMP Y OUT 27
6dB
LPF 75
26
Y SAG
Q1003
H
CV IN
CLAMP 6dB
6 MHz
V OUT 30 +B REGULATOR
LPF 75
+
29
L
V SAG
32
C IN 6 MHz C OUT
BIAS 6dB 75
LPF
19,22,25
GND2
Q1002
SWITCH
Q1006
BUFFER
82
IC2018
C2CBYY000195
SYSTEM CONTROL
SA-HT540E/EB/EG BLOCK DIAGRAM
SA-HT540E / SA-HT540EB / SA-HT540EG
Q1100
(Q1200) Q1009
MUTING
JK2001 MUTING
CONTROL
Y(RED)
Y
JK2001
S-VIDEO OUT
JK1001
21PIN AV JACK
(MONITOR OUT)
(1)3 A (A) OUT
(A (B) OUT)
11
GREEN I/O
7
BLUE I/O
19
V OUT
OUT 2 15
RED I/O
8
FUNK SW
16
BLK I/O
Q1004
SWITCH
Q1005
SWITCH
Q2805
INVERTER
80 79