Panasonic PT-50LCZ70 Service Manual page 78

PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7
12.6. FRONT JACK/OPERATION / POWER SWITCH / TUNER SCHEMATIC DIAGRAM
FRONT JACK/OPERATION SCHEMATIC DIAGRAM
CN6701
LINE3_V
1
2 GND
LINE3_L_AUDIO
3
TO REAR JACK P.C.B.
CN3502
4
GND
LINE3_R_AUDIO
5
6
GND
KEY_IN_0
7
TO MAIN P.C.B.
CN4501-1,2 8
GND
TP6701 TP6702
1/10W
1.6 x 0.8
R6701
1.74k
EVQ11G05R
SW6701
VOL DOWN
POWER SWITCH/OPERATION SCHEMATIC DIAGRAM
TO MAIN P.C.B
CN6801
CN6003
1
KEY_IN_2
2
P_LED_R
3
P_LED_G
4
STBY_+3.3V
5
LAMP_LED
6
LAMP_LED
7
IR_IN3.3
8
GND
VIDEO SIGNAL AUDIO SIGNAL
D6701 D6702 D6703
PT PT PT
TP6703
TP6704 TP6705
1/10W 1/10W 1/10W 1/10W
1.6 x 0.8 1.6 x 0.8 1.6 x 0.8 1.6 x 0.8
R6702 R6703 R6704 R6705
1.62k 2.32k 3.16k PT
EVQ11G05R EVQ11G05R EVQ11G05R EVQ11G05R
SW6702 SW6703 SW6704 SW6705
VOL UP CH DOWN CH UP TV/VIDEO
LAMP
EVQ11G05R
SW6801 POWER
TUNER SCHEMATIC DIAGRAM
TUNER
JK6701
V
C8970
V VIDEO IN3
V-G 6.3V 330u
+
L
C8971
L AUDIO IN3(L)
L-G
0.1u[KB]
R
R AUDIO IN3(R)
R-G
C8972
1000p[KB]
6.3V
C8973 330u
+
C8974 0.1u[KB]
TP6706
TP6707
1/10W C8975 0.01u[KB]
1.6 x 0.8
50V
C8976
56u
R6706
+ 30V_TU
PT
C8977 82p
C8978 82p
PT PT
C8979
50V
10p
SW6706 SW6707
OK MENU
C8980
6.3V 330u
+
C8981 0.1u[KB]
C8982 1000p[KB]
C8983 0.1u[KB]
RM6801
B3RAD00001431
INFRARED
R6803
RECEIVER
PT
UNIT
R6808
100
Q6801
2SD0601A0L R6807
0
(BUFFER)
78
VIDEO SIGNAL
TU8970
ENGE6601KF
ENGE6601KF
L8973
BB J0JHC0000045
1
NC
2
NC
3
L OUT AH_L_ANALOG
4
R OUT
5
NC
AGC 6 AH_R_ANALOG
Monitor
7
TU
L8970
8
J0JHC0000045
BV
9
NC
L8971
10
BTL J0JHC0000034
C8984
VIDEO_OUT
11
100p[JC]
SDA
12
R8970 47
SCL
13
R8971 47
AFT
14
NC
15
Video
OUT
16
V Supply
17
L8972 J0JHC0000045
IFD OUT1
18
R8973 0.39u
IFD OUT2
19
R8972 0
R8974 0.39u
IF AGC
20
IF OUT
0V 21
JS8970
WA5
JS8971
WA5
JS8972
WA5
FRONT JACK/OPERATION SCHEMATIC DIAGRAM
POWER SWITCH/OPERATION SCHEMATIC DIAGRAM
TUNER SCHEMATIC DIAGRAM
PT-50LCZ70/PT-56LCZ70/PT-61LCZ70/PT-50LCZ7/PT-56LCZ7
/PT-61LCZ7/PT-50LCZ70-K/PT-56LCZ70-K/PT61LCZ70-K
AUDIO SIGNAL
CN8970 TO MAIN P.C.B.
CN8801
1
2
3
4
5
6
SDA
7
8
SCL
9
10
AH_AFT
11
12
13
14
15
IF_OUT_P 16
17
18
IF_OUT_N
19
20