Panasonic TX-17LA1Q 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
JK4001 AV2Y DET
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 17 2 AGC OUT 2
VIDEO 18
AGC CONT 14
B2 A2
SIF
22
9 TV V 9
TNR001 AGC CONT
7 7
TUNER
2 SIF 2
TC-17/20LA1H, TX-17/20LA1M/Q/T/X/Z
Signal Block Diagram
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IC4001
AV SW
MUTE
10 Y AV1S
Q2502
12 C IN
Q2501
8 V
AV1
9 L
SLO1 AUDIO
L 46 37
IN
TV
11 R
SRO1 OUT
R 48 36
IN
14 1S-DET
V 47
33 V
AV1
30 L
OUT
32 R
L 39 56 SLI1 MAIN
AUDIO
IN
15 V R 41 57 SRI1
OUT
3 Y
AV2
CPB
5 PB
IN C
45
VIDEO YV
19 PR
Y 43
OUT PR
16 L
PR 29
18 R
7 2Y DET
AGC DET
21
MUTE
Q4003
MUTE
Q4002
SDA1
SCL1
IC4102
EX. I/O
REF SCL1
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
HP
SCART DAC
HEADPHONE DAC
OUTPUT OUT
DAC
SELECT SURROUND
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
IC2001
Q2506
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 STB3.3V STB3.3V
8 6
R
Q202
4 LED R 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
11 MUTE
REMOTE
7 REMOTE
LED R
6 LED R
INV ON
INV ON
4
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