Panasonic SA-HT640WPL Service Manual page 63

TUNER PACK
FM ANT
1 7
MIXER
RF AMP
5
OSC BUFFER
6 8
+B (FM)
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
+B
POWER
SUPPLY
+B (FM:ON)
(FM)
AM ANT
FM
AM AM
IF AMP
ANT OSC
COIL COIL
24 23 22 21 20 19 18 17 16 15
ALC
AM AM
AM
MIX RM AMP
OSC
BUFFER
AGC
LEVEL
S-CURVE
DET
AM IF AM DET
FM IF
AM/FM
IF
BUFFER
FM
COMP
DET
TUNING
DRIVE
REG
REG
1 2 3 4 5 6 7 8 9 10
+B
X103
1
20
14
13
DO 5 ST/DO
CE 2 CE
C2B
DI 3 DI
I/F
CL 4 CL
8
+B
IC2801
C9ZB00000461
VIDEO BUFFER
Y/PY/G 11 CY IN
Rch CLAMP
10 SEL
TUN L
CB/PB/B 13 CB IN
FM/AM IF AMP,
DET/AM OSC MIX
/FM MPX
14 13 (LA1833NMNTLM) CR/PR/R 15 CR IN
DECODER 7 SEL
PHASE PILOT
Y 8 Y IN
DET CANCEL CLAMP
6 CV IN
CLAMP
STEREO
SWITCH
5 MUTE 1
14 MUTE 2
C 4 C IN
BIAS
VCO
PILOT
1.16
FF FF FF
DET +B VCC 1
12
GND
11 12
+B
Q2006
ZFLAG
+B
Q9001
PHOTO
INTERRUPTOR
69
DVD CLK 44
DVD CK
DVD CMD 42
DVD CMD
DVD STAT 43
DVD STA
ST/DO 39
ST / DO
DI 37
TU SDA
SD 38
TU SD
CE 40
FM DET
CL 36
TU SCL
63
H
BIAS
12 MHz
CY OUT 24 JK2001
6dB
LPF 75
Y(RED)
L 23
CY SAG
12 MHz
BIAS 6dB CB OUT 21 JK2001
LPF 75
CB(GREEN)
20
CB SAG
12 MHz
BIAS CR OUT 18 JK2001
6dB
LPF 75
CR(BLUE)
17
CR SAG
6 MHz
6dB Y OUT 27
LPF 75
26
Y SAG
H
6dB
6 MHz
V OUT 30 JK2001
LPF 75
VIDEO OUT
+
L 29
V SAG
6 MHz C OUT 32
6dB 75
LPF
19,22,25
GND2
IC5750
C0GAG0000007
MOTOR DRIVE(TRAY)
TRAY
+B
MOTOR
2
DRIVE CONTROL
4
Q9103
PHOTO
INTERRUPTOR VCC GND
6
+B
Q9102
PHOTO
INTERRUPTOR
IC2003
C0GAG0000007
MOTOR DRIVE(LOADING)
LOADING
MOTOR
Q9101
2
PHOTO
INTERRUPTOR
DRIVE CONTROL
4
VCC GND
6
S9001
+B
45 53 7 30 29 70
IC2001
MN101C49GHG
SYSTEM CONTROL
SA-HT640WPL BLOCK DIAGRAM
SA-HT640WPL
Y
C
JK2001
S-VIDEO OUT
7
9
1
Q5750
8
MOTOR
DRIVE
Q2001
MOTOR
DRIVE
1
7
9
8
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