Panasonic PT-56DLX25 Service Manual page 71

AUDIO SIGNAL PATH BLOCK DIAGRAM
MAIN C.B.A. (CIRCUIT BOARD DG)
FROM VIDEO I HDMI AUDIO (R)
SIGNAL PATH
BLOCK DIAGRAM
HDMI AUDIO (L)
JK4000
DVI AUDIO
IN1 (R)
DVI AUDIO
IN1 (L)
JK4001
DVI AUDIO
IN2 (R)
DVI AUDIO
IN2 (L)
DIGITAL TUNER C.B.A.(CIRCUIT BOARD DT)
TUNER AUDIO (R) DT12-43 PDG2-43
FROM/TO
TUNER AUDIO (L) DT12-41 PDG2-41
DIGITAL TUNER
AUDIO (R) DT12-58 PDG2-58
BLOCK DIAGRAM
AUDIO (L) DT12-60 PDG2-60
FRONT JACK C.B.A.(CIRCUIT BOARD FJ)
JK3902
AUDIO IN3 (R)
AUDIO IN3 (L)
REAR JACK C.B.A.
JK3501
AUDIO IN1 (R)
AUDIO IN1 (L)
AUDIO IN2 (R)
AUDIO IN2 (L)
JK3503
COMPONENT
AUDIO IN1 (R)
COMPONENT
AUDIO IN1 (L)
JK3504
COMPONENT
AUDIO IN2 (R)
COMPONENT
AUDIO IN2 (L)
JK3505
COMPONENT
AUDIO IN3 (R)
COMPONENT
AUDIO IN3 (L)
JK3502
AUDIO OUT (R)
AUDIO OUT (L)
BASE C.B.A.(CIRCUIT BOARD A)
IC3251 (SW)
(R-CH)
HDMI
1 Q3254
DVI1
5
DVI2 3 B PDG1-59 PA16-59
2
TUNER
4
(L-CH)
HDMI
12
Q3253
DVI1
14
B PDG1-57 PA16-57
DVI2 13
15
TUNER
11
SWITCHING
CONTROL
9 10
Q3251
AUDIO SW
CONTROL1
FROM
AUDIO SW
SYSYTEM CONTROL
CONTROL2
BLOCK DIAGRAM
Q3252 AUDIO
BIAS+4.5V
PDG1-55 PA16-55
PDG1-53 PA16-53
P3902-11 PA9-11
P3902-9 PA9-9
P3501-43 PA15-43
P3501-44 PA15-44
P3501-38 PA15-38
P3501-39 PA15-39
P3501-20 PA15-20
P3501-21 PA15-21
P3501-11 PA15-11
P3501-12 PA15-12
P3501-2 PA15-2
P3501-3 PA15-3
P3501-32 PA15-32
P3501-31 PA15-31
IC3003
(SOUND PROCESSOR)
IC3002 (AUDIO SW)
TV/HDMI/DVI Q3024
SOUND
19
LINE 3
PROCESS
40 30 30 23 B
LINE 1 (R-CH)
10 AUDIO
LINE 2
8 SW 26
COMPONENT 1
(R-CH)
4
COMPONENT 2
2 35
COMPONENT 1
42
TV/HDMI/DVI
Q3025
18 SOUND
LINE 3
PROCESS
39 29 1 8 B
LINE 1
(L-CH)
9 AUDIO
LINE 2
7 SW 25
COMPONENT 1
(L-CH)
3
COMPONENT 2
1 34
COMPONENT 1
41
VCC VCC
5 6
VCC
+9V
16
Q3026
+9V
B
B
Q3027
Q3024 Q3022
MUTE-ON MUTE-ON
Q3020
DRIVE
69
AUDIO SIGNAL
IC2303 IC2301
(OP AMP) (AUDIO AMP)
AUDIO AMP POWER AMP
5 7 17 DRIVE 11 PA13-1
(R-CH) (R-CH)
PA13-2
PA13-3
PA13-4
14
AUDIO AMP POWER AMP
3 1 1 DRIVE 7
(L-CH) (R-CH)
4
VSS VCC
4 8
TEMPERATURE SENSOR
3
/CURRENT PROTECTION
-16V +16V
VDD VSS
5 13 8 10
Q2314 DRIVE
+16V -16V
Q2323
SP MUTE
Q2325
<FROM IC1102 (113)>
AUDIO SIGNAL PATH BLOCK DIAGRAM
PT-56DLX75/PT-61DLX75
PT-56DLX75 / PT-61DLX75
SPEAKER
(R-CH)
SPEAKER
(L-CH)