Main Circuit - Panasonic SA-PT464P 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
CN6003
1
ACC_PWR 14
DO_UART_OUT/TX 13
DO_UART_IN/RX 12
DOCK5V_GND 11
DOCK5V_GND 10
I
TO
IPOD ACC 9
iPod CIRCUIT
DOCK5V 8
G
(CN1002)
DOCK_L OUT 7
IN SCHEMATIC
DPORT_AGND 6
DIAGRAM - 11
DOCK_R OUT 5
IPOD DET 4
VGND 3
VIDEO 2
VGND 1
14
K3
0
H
4 5 6
: +B SIGNAL LINE : CD/DVD AUDIO INPUT SIGNAL LINE : CD/DVD VIDEO INPUT SIGNAL LINE
: -B SIGNAL LINE : iPod/MIC/AUX AUDIO INPUT SIGNAL LINE : iPod VIDEO INPUT SIGNAL LINE
AGND
TU+9V
TU+9V
L2914
G0C390JA0055
RDS_DET
1K TUN-RCH
RECOUT-L
TUN_DO
RECOUT-R
TUN-LCH
1K
TUN_SD
TUN_DI
MIXL
TUN_CLK
MIXR
TV_L
TV_R
TUN-LCH
TUN-RCH
AGND
DOCK-LCH C2119 1
R2111
DOCK-RCH C2219 1 R2211
R2104
C2191 1
R2204
C2291 1
ACC_PWR
DO_UART_OUT
DO_UART_IN
DVD-FL
DOCK5V_GND
DVD-FR
+7V
IPOD_ACC2
DOCK5V
DOCK_L_OUT
DPORT_AGND
DOCK_R_OUT
IPOD_DET
VIDEO
VGND
TO MAIN
SECTION (3/4)
7 8 9
: AUDIO OUTPUT SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE : FM SIGNAL LINE
C2194
4.7
R2175
27K
1.8K R2173
4 3
Q2203
B1GDCFGA0018
5 2
MUTING CONTROL
6 1
R2271
56K
Q2101
B1HBECA00004
MUTING
C2294
R2273 4.7
R2170
1K
27K
C2177
50V1
R2150 3.3K
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
4.7K
90 INL4 [IPOD L]
AUDIO SIGNAL PROCESSOR
4.7K
89 INR4 [IPOD R]
0
88 FMPORTL
0
87 FMPORTR
C2017
[82]FLIN
0.1 86 RMPORTL
[81]FRIN
C2018 85 RMPORTR
16V47
84 AVCC
+7V
83 AVEE
82
81
C2019
-7V 16V47
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64
C2020
0.1
AGND AGND
116
10 11 12
C2751 D2752 R2705
1 MA2J11100L 1K
C2179
270P
C2178
100P
R2176
R2180
12K
10
R2174
R2178
39
3.9K
C2180
1000P
5 6 7 8
+VCC
IC2102
C0ABB000230
HEADPHONE AMP
-VCC
4 3 2 1
R2274
R2278 39
3.9K C2279 270P R2280
10
C2278 R2276 12K
100P
-7V
R2216 1K
R2116 1K
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 C2302
C2303
0.12 0.033
31
32
R2301
SLNFIN 33
8.2K
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
0.12
C2403
SRFIN 40
R2403 4.7K
C2402
SROUT 41
0.033
REARSROUT 42
AGND 43
C2612 R2627 56K
OPOUT2 44
C2617
[48]SUBOUT 6800P
R2611 27K
0.12
OPIN2 45
[49]SUBC C2923
R2612
OPOUT1 46
[50]AGC1
56K
OPIN1 47
C2610 0.33 C2611
48 0.22
C2609
49
0.22
R2609
3 2 1
50
2.7K
63 62 61 60 59 58 57 56 55 54 53 52 51
E2902
C2015 220P
C2016 220P
C2014 1
13 14
P1
R2182
10
4 3
5 2
6 1
Q2102
B1HBECA00004
MUTING
R2282
10
-7V
FROUT
FLOUT
SLOUT
COUT
SROUT
OPOUT2
0.01
DGND
1/4 2/4
SA-PT464P
3/4 4/4
MAIN CIRCUIT