Panasonic SA-PT160E Service Manual page 77

19.2. Main Circuit
1 2 3
SCHEMATIC DIAGRAM - 5
A
B
MAIN CIRCUIT
:+B SIGNAL LINE
B
AGND
W4048 R2952
0 8.2
TUN+9V
C
DVD-SUBW
DVD-SR
W4028
0
DVD-SL
DVD-CNT
D
D2001 - D2002
B0EAKM000117
R2960 -7V
6.8 D2002
+7V
D2001
AUX_RCH
R2164 10K
AUX_LCH
R2264 10K
TV_RCH
TV_LCH
TUN-RCH
TUN-LCH
MIXR
E
MIXL
DVD-FR
DVD-FL
F
G
H
4 5 6
:-B SIGNAL LINE :MAIN SIGNAL LINE :DVD VIDEO SIGNAL LINE
R2411 C2023
0
220P
R2405 R2407
R2406
5.6K 1.8K R2307 5.6K C2024
220P
AGND 1.8K
R2606 10K
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
81 50
82 49
83 FRIN 48
84
FLIN OPIN1 47
[81]SLIN [50]AGC1
85 AVEE OPOUT1 46
[82]CIN [49]SUBC
86
AVCC OPIN2 45
[48]SUBOUT
87 INR5 OPOUT2 44
88 43
INL5 AGND
89 INR4 [AUX RCH] AGND 42
IC2102
90 41
INL4 [AUX LCH] SROUT
C1AB00002463
91 INR3 [TV RCH] SRFIN 40
AUDIO SIGNAL PROCESSOR
92 INL3 [TV LCH] SRVOLOUT 39
SRNFIN
93 INR2 [TUNER RCH] 38
94 INL2 [TUNER LCH] 37
SRVOLIN
95
INR1 [MIX RCH] SRSELOUT 36
[99]RECOUTR
[32]SLVOLOUT
96 INL1 [MIX LCH] SLSELOUT 35
[100]RECOUTL
[31]SLFIN
97 MICIN SLVOLIN 34
98 AGND SLNFIN 33
99 32
100 31
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
R2303
C2502
0.047
C2503
0.047
R2502
10K
R2503
6.8K
7 8 9
:FM SIGNAL LINE :AUX SIGNAL LINE :TV AUDIO SIGNAL LINE
SW+5V
R2609
1.5K
R2607
C2605
10K
0.047
C2610 R2608
0.47 56K
C2608
16V10
C2609 0.22 R2610
C2611
56K
0.012
R2612 56K
C2617
R2611 0.15
1.2K
R2627 68K SUBW
C2612 3300P
SR_OUT
R2403 10K
C2724
C2403 C2402
C2624
R2401 1.8K
0.047 0.033
C2524
C2324 2200P
C2401 1
FROUT C2183 1 R2185 10K
C2301 1
FLOUT C2283 1 R2285 10K
SR_OUT R2312 10K
C2312 1
SL_OUT
C2412 1 R2412 10K
R2301 1.8K
CENTER R2510 15K
C2506 1
SUBW R2617 22K
W4042 C2619
0
50V10
10K
ASP_GND
B0ACCK000005
Q3003
B1GDCFJJ0047
R3003
BUFFER
8.2K
MUTE_C
TO MAIN
K4027
SECTION (3/4)
K4029
K4033
77
10 11 12
1800P
TO MAIN
SECTION (2/4)
6800P
6800P
C2424
2200P
FR_IN
FL_IN
SR_IN
SL_IN
W4043 0
C3005 1 C_IN
SW_IN
C3006 50V10
ASP_GND
SW+
1
C+
2
R3009 Q3009
D3001
FR+
1K
B1ABCF000176 3
FL+
MUTING 4
SR+
5
SL+
6
SW-
7
C-
AGND
8
FR-
9
R3008
10K FL-
10
SR-
Q3008
11
SL-
B1ABGC000005
W7001 12
MUTING 0
AGND
W7000 0
-7V
0 ...EB/EG
0 ...EB
0 ...E
1/4 2/4
3/4 4/4
SA-PT160E/EB/EG MAIN CIRCUIT
SA-PT160E / SA-PT160EB / SA-PT160EG
13 14
1
JK5000
SW+_OUT
C+_OUT
FR+_OUT
FL+_OUT
SR+_OUT
SL+_OUT TO SPEAKERS
SW-_OUT
C-_OUT
FR-_OUT
FL-_OUT
SR-_OUT
SL-_OUT