Panasonic SA-HT720P Service Manual page 41

TUNER PACK
FM ANT
1 7 FM
MIXER
IF AMP
RF AMP
5
OSC BUFFER
6 8
+B (FM)
24
AM IFT
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 8
+B
POWER
SUPPLY
+B (FM:ON)
(FM)
AM ANT
AM AM
ANT OSC
COIL COIL
23 22 21 20 19 18 17 16 15
ALC
AM AM
AM
MIX RM AMP
OSC
BUFFER
PHASE
DET
AGC
LEVEL
S-CURVE
DET
AM IF AM DET
FM IF
AM/FM
IF
BUFFER
FM
COMP
DET
VCO
TUNING
DRIVE
FF
REG
REG
1 2 3 4 5 6 7 8 9 10 11
+B
X103
1
20
14
13
DO 5 ST/DO
CE 2 CE
C2B
DI 3 DI
I/F
CL 4 CL
IC2006
+B
C9ZB00000431
VIDEO DRIVE
BIAS
150K
Y/PY/G 12 CY IN
4dB
BIAS
150K
Rch
CB/PB/B 14 CB IN
4dB
TUN L
BIAS
150K
CR/PR/R 16 CR IN
FM/AM IF AMP,
4dB
DET/AM OSC MIX
/FM MPX
(LA1833NMNTLM)
14 13
BIAS
150K
Y 6 Y IN
DECODER 4dB
PILOT
CANCEL
BIAS
STEREO
150K
SWITCH
C 2 C IN
4dB
1
VCC1
34
+B
VCC2
8,10
GND
PILOT
FF FF
DET
12
+B
Q2028
ZFLAG
MUTING
+B
Q9001
PHOTO
INTERRUPTOR
1 44
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
41
13.5MHz
JK2001
CY OUT 25
LPF 2dB
75
Y(RED)
24
CY SAG
13.5MHz
CB OUT 22 JK2001
LPF 2dB 75
CB(GREEN)
21
CB SAG
13.5MHz
CR OUT 19 JK2001
LPF 2dB 75
CR(BLUE)
18
CR SAG
13.5MHz
Y OUT 28
LPF
2dB 75
27
Y SAG
+ V OUT 31 JK2001
2dB 75
VIDEO OUT
30
V SAG
Y
13.5MHz C OUT 33 C
2dB 75
LPF
Q2004
17,20,23,
SWITCHING
26,29,32
GND2
IC2007
C0GAG0000007
MOTOR DRIVE(TRAY)
TRAY
+B
MOTOR
2 7
DRIVE CONTROL
4 9
Q9103
1
PHOTO
INTERRUPTOR VCC GND
6 8 Q2002
+B
Q9102
PHOTO
Q2001
INTERRUPTOR
IC2008
C0GAG00000XX
MOTOR DRIVE(LOADING)
LOADING
1
MOTOR
Q9101
2 7
PHOTO
INTERRUPTOR DRIVE CONTROL
4 9
VCC GND
6 8
S9001
+B
100 21 5 4
IC2018
C2CBHG000137
SYSTEM CONTROL
SA-HT720P / SA-HT720PC
JK2001
S-VIDEO OUT
MOTOR
DRIVE
MOTOR
DRIVE
2 3 26 20 7 38