Panasonic SA-HT870E Service Manual page 47

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
IC2006
C9ZB00000431
VIDEO DRIVE
IC2009
+B
C1AB00001486
VIDEO BUFFER
Y/PY/G 6 IN1
OUT 2 12
4 IN2
1
SW
Q2006
CB/PB/B 14
AMP
Q2003
MUTING
Rch Q2007
CR/PR/R 16
TUN L AMP
Q2005
MUTING
FM/AM IF AMP,
DET/AM OSC MIX
Y 6
/FM MPX
(LA1833NMNTLM)
PILOT
CANCEL
C 2
1
34
+B
8,10
IC1001
C9ZB00000432
VIDEO DRIVE
PILOT
FF
DET
Q1001
12
AMP
12
14
16
6
2
15
IC2020
C1BB00000715
RDS DEMODULATOR
2 15
MPX IN RD CL
14
RD DA
74 73
Q2028
44
ZFLAG
MUTING DVD MUTE
DVD CLK 37
DVD CLK
DVD CMD 35
DVD CMD
DVD STAT 36
DVD STAT
ST/DO 28
TUN DO
DI 30
TUN DI
SD 27
TUN SD
CE 31
TUN CE
CL 29
TUN CLK
47
BIAS
150K
CY IN
13.5MHz
4dB CY OUT 25 JK2001
LPF 2dB 75
Y(RED)
24
BIAS
CY SAG
150K
CB IN 13.5MHz
4dB CB OUT 22 JK2001
LPF
2dB 75
CB(GREEN)
21
BIAS
CB SAG
150K
CR IN 13.5MHz
4dB CR OUT 19 JK2001
LPF 2dB 75
CR(BLUE)
18
BIAS
CR SAG
150K
Y IN 13.5MHz
4dB Y OUT 28
LPF 2dB 75
27
Y SAG
+ V OUT 31 JK2001
2dB 75
VIDEO OUT
30
BIAS
V SAG
150K
C IN 13.5MHz C OUT 33 C
4dB 2dB 75
LPF
17,20,23,
VCC1 26,29,32
GND2
Q2004
VCC2
SWITCHING
GND
BIAS
150K
CY IN
13.5MHz
4dB CY OUT 25
LPF 2dB 75
24
BIAS
CY SAG
150K
CB IN 13.5MHz
4dB CB OUT 22
LPF
2dB 75
IC1003
21
BIAS C1AB00001731
CB SAG
150K
VIDEO BUFFER
CR IN 13.5MHz
6 IN1
4dB CR OUT 19
LPF 2dB 75
4 IN2
18
BIAS 1
SW
CR SAG
150K
Y IN
13.5MHz
4dB
Y OUT 28
LPF 2dB
75
27
Y SAG
+ V OUT 31
2dB 75
30
BIAS
V SAG
150K
C IN C OUT 33 Q1005
13.5MHz
4dB 2dB 75
LPF
SWITCH
13
MUTE 2
CLP
Q1004
Q1010
INVERTER
+B
REGULATOR SWITCH
46 38
IC2018
C2CBHG000139
SYSTEM CONTROL
SA-HT870E,EB,EG BLOCK DIAGRAM
SA-HT870E / SA-HT870EB / SA-HT870EG
Y
JK2001
S-VIDEO OUT
JK1001
21PIN AV JACK
(MONITOR OUT)
11
GREEN I/O
7
BLUE I/O
19
OUT
OUT 2
15
RED I/O
8
FUNK SW
16
BLK I/O
Q1007
D1001
SWITCH
Q1006
SWITCH
IC1002
XN0460100L
INVERTER
SWITCH
45