Panasonic TX-17LA1M Service Manual page 97

JK4000
AV1S Y
AV1S C
AV1
MONITOR V
V
S-DET
MONITOR L
L Q4001
MONITOR R
AV2 V
R
AV2 Y
AV2 PB
AV2 PR
AV2 L
AV2 R
AV2 Y-DET
JK4002
Q4104
AV1S
AV1S C
Q4103
AV1S Y
S-DET
AV2Y DET
JK4001
AV2 V
AV2 V
AV2 Y
Y
Q4004
AV2 L
L
AV2 PB
PB
AV2 R
R
AV2 PR
PR
B-BOARD
!
B1 A1
SCL1
4 12 SCL1 12
SDA1 5 11 SDA1 11
AFC 16 3 AFC 3
AGC OUT
AGC OUT 17 2 2
VIDEO 18
AGC CONT 14
B2 A2
SIF 22
9 TV V 9
TNR001 7 AGC CONT 7
TUNER
SIF
2 2
TC-17/20LA1H, TX-17/20LA1M/Q/T/X/Z
Signal Block Diagram
IC4001
AV SW
MUTE
10 Y AV1S
Q2502
12 C IN
Q2501
8 V
AV1
L
9
SLO1 AUDIO
IN L 46 37
11 R TV
SRO1 OUT
R 48 36
14 1S-DET IN
V 47
33 V
AV1
30 L
OUT
32 R
MAIN
L 39 56 SLI1
AUDIO
IN
15 V OUT R 41 57 SRI1
3 Y
AV2
CPB
5 PB
IN
C 45
VIDEO YV
19 PR
Y 43
OUT PR
16 L
PR 29
R
18
7 2Y DET
AGC DET
21
MUTE
Q4003 MUTE
Q4002
SDA1
SCL1
IC4102
EX. I/O
SCL1
REF
1 7
SDA1
AGC CONT
2 6
MONITOR CONT
3
IC4103
AGC DET
AGC DET
1
2
AGC OUT
3
A-BOARD
!
SCL1
SDA1
AFC
Q4101
AGC OUT
K-BOARD
!
SW105 SW104 SW103 SW102
TV V
STR F -/DOWN +/UP
Q4102
AGC-CONT
SIF
Q2102 Q2103
IC2501
MSP
SCART DAC HP
HEADPHONE DAC
OUTPUT OUT
DAC SURROUND
SELECT
SOUND
PROCESSING
SOURCE
SCART
SELECT
DSP
LOUDSPEAKER
INPUT SP
SOUND
DAC
SELECT OUT
PROCESSING
ADC
CL DA
ANA IN+
60 67 2 3
!
R-CH
V2
+ 1
- 2
L-CH
V3
SW101
+ 1
TV/AV
- 2
K1 A3
D203
KEY
3 KEY 3
4 KEY 4
RM201
MUTE
Q2506 IC2001
Q2504 AUDIO AMP
Q2001
DACA L 25 1 HP IN1 HP OUT1 28
DACA R 24 2 HP IN2 HP OUT2 27
Q2004
SP L+
OUT2+ 24
SP L-
OUT2- 25
SP R+
DACM L
28 9 IN1
OUT1+ 16
SP R-
DACM R
27 13 IN2
OUT1- 15
Q2505
Q2503
MUTE
V-BOARD
V1 A5
SP R+
2 R+ 12
SP R-
1 R- 13
SP L+
13 L+ 1
SP L-
12 L- 2
G Q201 8 STB3.3V 6 STB3.3V
R
Q202 LED R
4 10
VCC 10 REMOTE 4
GND
VOUT
A1
47 HP L
49 HP R
PR
41 PR
MUTE
C
35 C/PB
YV
37 YV
SCL1
30 SCL1
SDA1
29 SDA1
AFC
9 AFC
KEY
8 KEY
MUTE
MUTE
11
REMOTE
7 REMOTE
LED R
6 LED R
INV ON
4 INV ON
INV DET
3 INV DET
INV PWM
1 INV PWM
LED R
REMOTE
TC-17/20LA1H, TX-17/20LA1M/Q/T/X/Z
Signal Block Diagram
1