Panasonic SA-HT340EB Service Manual page 55

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
(FM:ON)
(FM) +B
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
+B
Rch
TUN L
FM/AM IF AMP,
DET/AM OSC MIX
/FM MPX
(LA1833NMNTLM)
PILOT
CANCEL
IC1101
C9ZB00000461
PILOT
VIDEO DRIVE
FF
DET
Q1007
Y/PY/G 11
AMP
12 10
CB/PB/B 13
CR/PR/R 15
Y 8
6
14
MUTE 2
C 4
1,16
+B MUTE 2
12
GND
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
55
BIAS H
CY IN 12 MHz
CY OUT 24
6dB
LPF 75
CLAMP L 23
SEL CY SAG
CB IN
12 MHz 21
BIAS 6dB CB OUT
LPF 75
IC1102
20
C1AB00001731
CB SAG
VIDEO BUFFER
CR IN 12 MHz 18 6 IN1
BIAS 6dB CR OUT
LPF 75
4 IN2
17
1
CR SAG SW
Y IN 6 MHz
CLAMP 6dB Y OUT 27
LPF 75
26
Y SAG
Q1003
H
CV IN
CLAMP 6dB
6 MHz
V OUT 30 +B REGULATOR
LPF 75
+
29
L
V SAG
C IN C OUT 32
6 MHz
BIAS 6dB 75
LPF
SEL 7
19,22,25 Q1002
GND2
SWITCH
Q1006
BUFFER
82
IC2018
C2CBYY000194
SYSTEM CONTROL
SA-HT340E/EB/EG BLOCK DIAGRAM
SA-HT340E / SA-HT340EB / SA-HT340EG
Q1100
(Q1200) Q1001
MUTING
MUTING
CONTROL
JK1001
21PIN AV JACK
(MONITOR OUT)
(2)
6 A (A) IN
(A (B) IN)
(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
+B
SWITCH
Q2805
INVERTER
80 79