Panasonic SA-PT550GCP Service Manual page 99

15 16 17
SCHEMATIC DIAGRAM - 7
:-B SIGNAL LINE
B
MAIN CIRCUIT
:+B SIGNAL LINE
D2009
B0ACCK000005
Q2007
UNR211H00L
MUTING CONTROL
C2140 50V4.7
R2145 27K
R2140 1K
4 5 6
Q2202
B1GFGCAA0001
MUTING
3 2 1
R2240 1K
R2142 1K
4 5 6
Q2102
B1GFGCAA0001
MUTING
3 2 1
TO MAIN
R2242 1K
SECTION (1/4)
R2520 1K
4 5 6
Q2502
B1GFGCAA0001
MUTING
3 2 1
R2620 1K
R2320 1K
4 5 6
Q2302
B1GFGCAA0001
MUTING
3 2 1
R2420 1K
CN2015
TRAY_OPEN 1
L
TO
TRAY_CLOSE 2
TRAY LOADING
TRAY_CCW 3
CIRCUIT
R2942
4
VREF
(CS901)
D2936
GND (MGND) 5
IN SCHEMATIC
B0EAKM000117
DIAGRAM - 17 C+7.5V 6
TRAY_CW
7
Q2030
B1GBCFJN0033
VREF CONTROL
CN2013
W2659 W2625
MIC_IN 1
0
+7V 2
D
TO AGND 3
MIC CIRCUIT -7V 4
(H7000)
MIC_SW 5
IN SCHEMATIC
ECHO_LVL1 6
DIAGRAM - 11
ECHO_LVL2
7
ECHO_MUTE 8
CHASSIS GND 9
TO MAIN
SECTION (4/4)
B16
18 19 20
:MAIN SIGNAL LINE :AUX / MUSIC PORT / MIC SIGNAL LINE
DVD_D+5V
DVD_MUTE
Q2008
B1GBCFJN0033
INVERTER
-7V
MIXL
W2536
R2141 100K
0
R2241 100K
MIXR
DVD-FL R2093 10K
R2077 10K
W2511
R2143 100K
0
81
82
R2243 100K ECHO_LVL1
83
ECHO_LVL2
84
FLD_CLK W2532 0
DVD-FR
85
FLD_STB
86
FLD_OUT
87
ECHO_MUTE
88
R2521 100K
DVD-CNT
R2863
10K 89
R2862
10K
90
KEY2
R2621 100K 91
ACS_IN
92
R2079 10K
93
DVD-SUBW
94
DVD-SL
95
96
KEY1
R2321 100K
97
VREF
98
0.1
C2001
99
R2421 100K
BRAKE_H
100
R2869
R2080 10K
DVD-SR
220
AGND R2081 10K
TRAY_OPEN
TRAY_CLOSE
TRAY_CCW
2.2K VREF
D2935
TRAY_CLOSE
B0EAKM000117
M+9V
TRAY_CW TRAY_CCW
TRAY_CW
TRAY_OPEN
W2534
0
MIC_SW
BRAKE_H
MGND
MIC_IN
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
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
FLD_CLK [81]RDS_CLK [50]NC VMUTE
[49]NC
[82]WS_LED
FLD_STB ACS_EN
[83]ECHO_LVL1 [48]ASP_DAT
SCART_MUTE
FLD_OUT
[84]ECHO_LVL2 [47]ASP_CLK
DC_DET1
ECHO_MUTE
IC2001
DVD_MUTE
MD3
C2CBYY000418
MD2 EPM
SYSTEM CONTROL
KEY2 DVD_PCONT
ACS FX_EN
DES3 TUN_DI
[97]KEY1 [33]FX_CLK
[32]FX_DI
DES2 [98]VREF TUN_DO
[31]FX_DO
[99]AVCC
TUN_CLK
DES1
[100]BRAKE_H
AVSS TUN_SD
FX_DET1
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
3 R2031
2
1
IC2003
EEPROM
8 NC NC 1
L2008 (NOT SUPPLIED)
G0C3R3JA0027
7 GND VCC 2
6 DO CS 3
5 DI SK 4
99
24 25 26
HP-RCH
R2041 4.7K
AGND
R2021 56K
W2526 HP-LCH
0
R2008 10K VREF
JOG_B
W2634 0
JOG_A
R2012 22K
R2045 10K
KEY2
R2043 10K
W2648
R2051 56K 0
-7V
R2037 47K
+7V
R2034 47K
ACS_MUTE
W2539
50
ACS_IN
49
R2069 220 ASP_DAT F_MPORT-LCH C2199
48
1000P
K2812 R2068 220 ASP_CLK GND
47
0
F_MPORT-RCH
VMUTE
46
-VP
W2650
45
FLD_STB 0
R2023
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
0
RESET
10K
VREF
SYNC
FX_DET1
W2524 GNDE
0
220 DVD_CMD FX_CLK
DVD_STAT FX_DI
DVD_CLK
FX_DO
R2024
AGND
1K
RMT
FRONTL
FRONTR
SUBW_OUT
SL_OUT
VREF
SR_OUT
W2527
0
C2520
CENTER_OUT 0
MUTE_C_S
W2643
MUTE_F_SW
HOP_DA
DC_DET2
MOD_DA
W2558
1/4 2/4
3/4 4/4
SA-PT550GCP MAIN CIRCUIT
GNDE
SA-PT550GCP
27 28
A
B
CN2020
8 HP_RCH
7 AGND
E
6
HP_LCH TO
5 VREF VOLUME CIRCUIT
(CN6901)
4 JOG_B
IN SCHEMATIC
3 JOG_A
DIAGRAM - 16
DGND
2
1 KEY2 C
CN2007
19 -7V
18 +7V
0
17 ACS_MUTE
16 ACS
15 MPORT_LCH
14 AGND
W2610
13 MPORT_RCH
0
C
12 -VP
TO
11
FL_IC_STB
PANEL CIRCUIT
10 FL_IC_CLK
(CN6902)
9 FL_IC_DAT IN SCHEMATIC D
DIAGRAM - 10
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
1 FRONT L F
17
2 AGND
3 FRONT R
4 AGND
5 SUBWOOFER
6 AGND
7 SURROUND L H
TO
8 AGND
D-AMP CIRCUIT
9 SURROUND R
(CN5050)
10 AGND
IN SCHEMATIC
11 CENTER DIAGRAM - 13
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
H