Panasonic SA-HT670PC, Service Manual

Page: 57 / 98

GND VCC
GND VCC
(FM)
ST SD
DET OUT
(LC7213MDTRM)
(LA1833NMNTLM)
/FM MPX
DET/AM OSC MIX
FM/AM IF AMP,
TUNER PACK
SD
ST/DO
CE
DI
CL
CL
DI
CE
DO
I/F
C2B
SHIFT REGISTER LATCH
DETECTOR
UNLOCK
15
11
17
18
16 1
20
14
13
4
3
2
5
8 9 6 12 7 10 19
SYNTHESIZER
PLL FREQUENCY
AM IFT
12 11 10 9 8 7 6 5 4 3 2 1
DET
PILOT
FF FF FF
VCO
CANCEL
PILOT
DET
PHASE
RF AMP
5
1 7
8
COIL
OSC
AM
COIL
ANT
AM
IF AMP
FM
AM ANT
FM ANT
C
Y
CR/PR/R
CB/PB/B
Y/PY/G
8,10
34
1
2 C IN
6 Y IN
CR IN 16
14 CB IN
CY IN 12
GND2
CY OUT
CY SAG
CB OUT
CB SAG
CR OUT
CR SAG
Y OUT
Y SAG
V OUT
V SAG
C OUT
26,29,32
17,20,23,
33 C
Y
Q2004
SWITCHING
SYSTEM CONTROL
IC2018
C2CBHG000139
8 6
2
4
7
9
8 6
9
7
4
2
Q2028
MUTING
21
CHANGE SW
44
DVD MUTE
26
BOTTOM
5
POSITION
4
OPEN SW
1
ST SW
100
PLAY
2
OP/CL REV
3
OP/CL FWD
20
UP/DOWN R
7
UP/DOWN F
WIDE1
38
MOTOR
LOADING
MOTOR
UP/DOWN
C0GAG00000XX
MOTOR DRIVE(LOADING)
IC21
C0GAG00000XX
MOTOR DRIVE(UP/DOWN)
IC11
+B
+B
CONTROL DRIVE
CONTROL DRIVE
(PLAY)
SXXXX
(STOCK)
SXXXX
(OPEN)
SXXXX
(POSITION)
SXXXX
(BOTTOM)
SXXXX
INTERRUPTOR
PHOTO
Q1
+B
ZFLAG
TUN CLK
TUN CE
TUN SD
TUN DI
TUN DO
DVD STAT
DVD CMD
DVD CLK
29
31
27
30
28
36
35
37
CL
CE
SD
DI
ST/DO
DVD STAT
DVD CMD
DVD CLK
S-VIDEO OUT
JK2001
IC2006
VIDEO DRIVE
C9ZB00000431
GND
VCC2
VCC1
+B
VIDEO OUT
JK2001
30
31
27
28
CR(BLUE)
JK2001
18
19
CB(GREEN)
JK2001
21
22
24
25
Y(RED)
JK2001
+
2dB 75
2dB
150K
BIAS
4dB 75
LPF
13.5MHz
2dB
150K
BIAS
4dB
75
LPF
13.5MHz
2dB
150K
BIAS
4dB
75
LPF
13.5MHz
2dB
150K
BIAS
4dB
75
LPF
13.5MHz
4dB
75 2dB LPF
13.5MHz
150K
BIAS
Rch
TUN L
(FM:ON)
SUPPLY
POWER
+B
+B
+B
X103
RESET
POWER ON
COUNTER
UNIVERSAL
1/2
1/6,1/17,4 BITS
SWALLOW COUNTER
DIVIDER
PROGRAMMABLE
12 BITS
CHARGE PUMP
PHASE DETECTOR
DIVIDER
REFERENCE
REG
REG
13 14 15 16 17 18 19 20 21 22 23 24
+B
+B
SWITCH
STEREO
DECODER
FM IF
DET
LEVEL
S-CURVE
DET
FM
BUFFER
IF
AM/FM
DRIVE
TUNING
COMP
AM IF AM DET
AGC
RM AMP
AM
MIX
AM
BUFFER
ALC
OSC
AM
+B
6
(FM) +B
MIXER
OSC BUFFER
SA-HT670PC
57