Panasonic SA-HT340GC Service Manual page 56

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
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 5
MUTE 1
+B
C 4
1,16
+B
VCC 1
12
GND
PILOT
FF
DET
12
81
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
56
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
IC2018
C2CBYY000194
SYSTEM CONTROL
SA-HT340GC/GCS/GS BLOCK DIAGRAM
SA-HT340GC / SA-HT340GCS / SA-HT340GS
JK2001
Y(RED)
Y
JK2001
S-VIDEO OUT