Main Circuit - Panasonic SA-PT170PH Service Manual

17.2. Main Circuit

1 2 3
SCHEMATIC DIAGRAM - 6
A
B
MAIN CIRCUIT
B
C
D
C2949
CN2002*
0.1
TUNERGND 10
T+9V 9
E
RDS DETECT 8
R2260
TUNER RCH 7
TUNER PACK
TUNER DO/ST 6
J3CBBC000002 R2160
TUNER LCH 5
TUNER SD 4
TUNER DI 3
TUNER CLK 2
PORT_SEL 1
F
CHASSIS
G
H
4 5 6
: +B SIGNAL LINE : CD/DVD AUDIO INPUT SIGNAL LINE
: -B SIGNAL LINE : TV/MUSIC PORT/AUX AUDIO INPUT SIGNAL LINE
AGND
TU+9V
TU+9V
L2914
G0C390JA0055
1K TUN-RCH
RECOUT-L
TUN_DO
RECOUT-R
1K TUN-LCH
C2133 R2138
TUN_SD
1 1K
MIC_IN
TUN_DI
MIXL
TUN_CLK
MIXR
TV_L
TV_R
TUN-LCH
TUN-RCH
AGND
MPORT-LCH R2104
C2191 1
R2204
MPORT-RCH C2291 1
DVD-FR
+7V
TO MAIN
SECTION (3/4)
7 8 9
: VIDEO OUTPUT SIGNAL LINE
: CD/DVD VIDEO INPUT SIGNAL LINE
: FM SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
R2175 C2194
0 0
C2294
0
R2275
0
K2135
0
R2150 10K
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
C2290 1
100
C2190 1
99
98 AGND
97 MICIN
[100]RECOUTL
96 INL1 [MIX L]
[99]RECOUTR
95 INR1 [MIX R]
94 INL2 [TV L]
93 INR2 [TV R]
92 INL3 [FM L] IC2101
91 INR3 [FM R]
C1AB00002735
K7117
90 INL4 [IPOD L]
K7118 AUDIO SIGNAL PROCESSOR
89 INR4 [IPOD R]
0
0
88 FMPORTL
0
0
87 FMPORTR
C2017
[82]FLIN
86 RMPORTL
0.1
[81]FRIN
85 RMPORTR
C2018
16V47
84 AVCC
+7V
83 AVEE
82
81
-7V C2019
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64
16V47
C2020
0.1
AGND AGND
104
10 11 12
D2752 R2705
C2751
1 MA2J11100L 1K
K2235
0
K2201
0
K2101 0
TO MAIN
SECTION (2/4)
R2303 4.7K
18 19 20 21 22 23 24 25 26 27 28 29 30
C2303 C2302
0.12 0.033
R2301
31
8.2K
32
SLNFIN 33
SLVOLIN 34
[29]REARSLOUT C2301 4.7
SLSELOUT 35
[31]SLFIN
SRSELOUT 36
[32]SLVOLOUT
C2401
4.7
SRVOLIN 37
SRNFIN 38
R2401 8.2K
SRVOLOUT 39
C2403 0.12
SRFIN 40
R2403 4.7K C2402
SROUT 41
0.033
REARSROUT 42
AGND 43
C2612 R2627 56K
OPOUT2 44
[48]SUBOUT 5600P C2617
R2611 10K
OPIN2 45 0.68
[49]SUBC
R2612
OPOUT1 46
[50]AGC1 C2611
6.8K
OPIN1 47 0.33
C2609 0.33
48
C2610
49
0.22
3 2 1
50
R2609
63 62 61 60 59 58 57 56 55 54 53 52 51
1K
E2902
C2015 220P
C2016 220P
C2014 1
13 14
P1
FROUT
FLOUT
SLOUT
COUT
DGND
SROUT
OPOUT2
C2923
0.01
1/4 2/4
SA-PT170PH/PR
3/4 4/4
MAIN CIRCUIT