Panasonic SA-PT250GCP Service Manual page 82

SA-PT250GCP
15 16 17
SCHEMATIC DIAGRAM - 6
:-B SIGNAL LINE
B
MAIN CIRCUIT
:+B SIGNAL LINE
D2009
B0ACCK000005
Q2007
UNR211H00L
MUTING CONTROL
C2140 50V4.7
R2145 27K
R2140 1K
4 5
Q2202
B1GFGCAA0001
MUTING
3 2
R2240 1K
R2142 1K
4 5
Q2102
B1GFGCAA0001
MUTING
3 2
R2242 1K
R2520 1K
4 5
Q2502
B1GFGCAA0001
MUTING
3 2
TO MAIN
R2620 1K
SECTION (1/4)
R2320 1K
4 5
Q2302
B1GFGCAA0001
MUTING
3 2
R2420 1K
CN2015
TRAY_OPEN 1
J
TO
TRAY_CLOSE 2
TRAY LOADING
TRAY_CCW 3
CIRCUIT
4
VREF
(CS901)
D2936
GND (MGND) 5
IN SCHEMATIC
B0EAKM000117
DIAGRAM - 15 C+7.5V 6
TRAY_CW 7
CN2013
W2659
MIC_IN 1
0
+7V 2
D
AGND 3
TO
MIC CIRCUIT 4
-7V
(H7000)
MIC_SW 5
IN SCHEMATIC
ECHO_LVL1 6
DIAGRAM - 10
ECHO_LVL2
7
ECHO_MUTE 8
CHASSIS GND 9
TO MAIN
SECTION (4/4)
B16
18 19 20
:MAIN SIGNAL LINE :MIC / MUSIC PORT SIGNAL LINE
DVD_D+5V
DVD_MUTE
Q2008
B1GBCFJN0033
INVERTER
-7V
MIXL
W2536
6 R2141 100K
0
R2241 100K
1
MIXR
DVD-FL R2093 10K
R2077 10K
W2511
6 R2143 100K
0
ECHO_LVL1
R2243 100K
ECHO_LVL2
1
FLD_CLK W2532 0
DVD-FR
FLD_STB
FLD_OUT
ECHO_MUTE
6 R2521 100K
DVD-CNT
R2863 10K
R2862 10K
KEY2
R2621 100K
ACS_IN
1
R2079
10K
DVD-SUBW
DVD-SL W2637
0
KEY1
R2321 100K
6
VREF
C2001 0.1
R2421 100K
BRAKE_H
1
R2869
DVD-SR R2080 10K
220
R2081 10K
AGND
TRAY_OPEN
TRAY_CLOSE
TRAY_CCW
R2942 2.2K VREF
D2935
TRAY_CLOSE
B0EAKM000117
M+9V
TRAY_CCW
TRAY_CW
TRAY_CW
Q2030
TRAY_OPEN
B1GBCFJN0033
W2534
0
MIC_SW
VREF CONTROL
BRAKE_H
MGND
MIC_IN
W2625 W2633
0 0
+7V
AGND
RESET
-7V
MIC_SW
D2005
ECHO_LVL1
B0ACCK000005
SYS6V
ECHO_LVL2
ECHO_MUTE
CHASSIS GND
Q2003
B1GBCFLL0037
C2006
RESET
50V2.2
VREF
GNDE
21 22 23
R2007
220
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
82
83
84
85 FLD_CLK [50]NC VMUTE
[81]RDS_CLK
[82]WS_LED [49]NC
86 FLD_STB ACS_EN
[83]ECHO_LVL1 [48]ASP_DAT
87 FLD_OUT SCART_MUTE
[84]ECHO_LVL2 [47]ASP_CLK
88 DC_DET1
ECHO_MUTE
IC2001
89 DVD_MUTE
MD3
C2CBYY000440
90 EPM
MD2
SYSTEM CONTROL
91 KEY2 DVD_PCONT
92 ACS FX_EN
93 DES3 TUN_DI
[97]KEY1 [33]FX_CLK
[32]FX_DI
94 DES2 [98]VREF TUN_DO
[31]FX_DO
[99]AVCC
95
DES1 TUN_CLK
[100]BRAKE_H
96 TUN_SD
AVSS
97
FX_DET1
98
99
100
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
3
2
1
IC2003
8 NC NC 1
L2008 (NOT SUPPLIED)
G0C3R3JA0027
7 GND VCC 2
6 DO CS 3
5 DI SK 4
82
24 25 26
HP-RCH
R2041 4.7K
AGND
R2021 56K
HP-LCH
VREF
JOG_B W2634
JOG_A
R2045 10K
KEY2
R2043 10K
W2648
R2051 56K
0
-7V
47K
R2037
+7V
R2034 47K
ACS_MUTE W2539
50
ACS_IN
49
R2069 220 ASP_DAT F_MPORT-LCH
48
K2812 R2068 ASP_CLK
220
47
0 F_MPORT-RCH
VMUTE
46
-VP
45
FLD_STB
R2023 SCART_MUTE
44
220 FLD_CLK
DC_DET1
43
FLD_OUT
DVD_MUTE
42
SW+5V
R2094
41
F-
220
40
F+
39
RMT
TUN_DI
38
VREF W2623
TUN_DO
37 SW+5V_GND
TUN_CLK
36
KEY1
TUN_SD
35
SYNC
FX_DET1
(BUSY)
34
(CLK) FX_CLK
33
FX_DI
(RxD)
32
FX_DO
(TxD)
31
R2040
W2523
30
0
RESET
10K
VREF
SYNC
FX_DET1
W2524 GNDE
0
R2031 220 DVD_CMD
FX_CLK
DVD_STAT FX_DI
DVD_CLK
FX_DO
R2024
1K AGND
RMT
FRONTL
FRONTR
SUBW_OUT
SL_OUT
VREF
SR_OUT
Q2505
C2516
25V4.7
B1ABGC000005
R2525
MUTING CENTER_OUT
820
EEPROM MUTE_C_S
R2528
27K
R2526 W2643
MUTE_F_SW
1K
MUTE_C_S
HOP_DA
Q2504
B1GDCFGA0018 DC_DET2
MUTING CONTROL
MOD_DA
W2558
AGND
1/4 2/4
-7V
W2557 W2542 W2652 W2653
3/4 4/4
0 0 0 0
GNDE
27 28
A
B
CN2020
8 HP_RCH
7
AGND
E
6 HP_LCH TO
VOLUME CIRCUIT
5 VREF
0
(CN6901)
4 JOG_B
IN SCHEMATIC
3 JOG_A
DIAGRAM - 15
DGND
2
KEY2 C
1
CN2007
19 -7V
18 +7V
0
17 ACS_MUTE
16 ACS
15 MPORT_LCH
14 AGND
W2610
13 MPORT_RCH
0
W2650
C
12 -VP
0
TO
11 FL_IC_STB
PANEL CIRCUIT
10
FL_IC_CLK (CN6902)
9 FL_IC_DAT IN SCHEMATIC D
DIAGRAM - 9
8 SW+5V
7
F-
6 F+
5 RMT
0
4 VREF
3 DGND
2 KEY1
1 SYNC
E
CN2006
8 RESET
7 CNVSS
6 VREF
5 BUSY
FOR SOFTWARE
4 DGND
3 CLOCK
2 RxD
1 TxD
CN2009
F
1 FRONT L 17
2 AGND
3 FRONT R
4 AGND
5 SUBWOOFER
6 AGND
7 SURROUND L
G
TO
8 AGND
D-AMP CIRCUIT
9 SURROUND R
(CN5050)
C2520
10 AGND
IN SCHEMATIC
1
11 CENTER DIAGRAM - 12
12 MUTE_S (MODE 1) G
0
13 MUTE_F (MODE 2)
14 FHOP
15 SW+5V
16 DC_DET
0
17 MOD_DA 1
SA-PT250GCP MAIN CIRCUIT
H