Panasonic SA-PT550E Service Manual page 89

15 16 17
SCHEMATIC DIAGRAM - 7
:-B SIGNAL LINE
B
MAIN CIRCUIT
:+B SIGNAL LINE
TO MAIN
SECTION (1/4)
CN2015
TRAY_OPEN 1
K
TO
TRAY_CLOSE 2
TRAY LOADING
TRAY_CCW 3
CIRCUIT
R2942
4
VREF
(CS901)
D2936
GND (MGND) 5
IN SCHEMATIC
B0EAKM000117
DIAGRAM - 16 C+7.5V 6
TRAY_CW
7
Q2030
B1GBCFJN0033
VREF CONTROL
TO MAIN
SECTION (4/4)
B16
18 19 20
:MAIN SIGNAL LINE :AUX, MUSIC PORT SIGNAL LINE
W2536
0
R2093 10K
R2077 10K
80
W2511
RDS_CLK
0
81
82
83
84
FLD_CLK W2532 0
85 FLD_CLK
FLD_STB
86
FLD_STB
FLD_OUT
87
FLD_OUT
88
ECHO_MUTE
R2863
10K 89 MD3
R2862
10K
90 MD2
KEY2
91 KEY2
ACS_IN
92 ACS
R2079 10K
93
DES3
94
DES2
95
DES1
96 AVSS
KEY1
97
VREF
98
0.1
C2001
99
BRAKE_H
100
R2869
R2080 10K
1
220
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
BRAKE_H
MGND
RESET
D2005
B0ACCK000005
SYS6V
Q2003
B1GBCFLL0037
C2006
RESET
50V2.2
VREF
GNDE
21 22 23
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
50
49
48
K2812
47
[81]RDS_CLK [50]NC VMUTE 46
[49]NC
[82]WS_LED 45
ACS_EN
[83]ECHO_LVL1 [48]ASP_DAT R2023
SCART_MUTE 44
[84]ECHO_LVL2 [47]ASP_CLK
DC_DET1 43
IC2001
DVD_MUTE
42
C2CBYY000418 R2094
EPM 41
SYSTEM CONTROL
DVD_PCONT 40
FX_EN 39
38
TUN_DI
[97]KEY1 [33]FX_CLK
[32]FX_DI 37
[98]VREF TUN_DO
[31]FX_DO
[99]AVCC
TUN_CLK 36
[100]BRAKE_H
TUN_SD 35
(BUSY)
FX_DET1 34
(CLK)
33
(RxD)
32
(TxD)
31
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
R2024
1K
1
IC2003
EEPROM
8 NC NC 1
L2008 (NOT SUPPLIED)
G0C3R3JA0027
7 GND VCC 2
6 DO CS 3
5 DI SK 4
89
24 25 26
HP-RCH
R2041 4.7K
AGND
R2021 56K
W2526 HP-LCH
0
R2008 10K VREF
JOG_B
W2634 0
JOG_A
R2045 10K
KEY2
R2043 10K
W2648
R2051 56K 0
-7V
R2037 47K
+7V
R2034 47K
ACS_MUTE
W2539 0
ACS_IN
R2069 220 ASP_DAT F_MPORT-LCH C2199
1000P
R2068 220 ASP_CLK GND
0
F_MPORT-RCH
VMUTE W2610
-VP
W2650
FLD_STB 0
SCART_MUTE
220 FLD_CLK
DC_DET1
FLD_OUT
DVD_MUTE
SW+5V
F-
220
F+
RMT
TUN_DI
VREF W2623 0
TUN_DO
SW+5V_GND
TUN_CLK
KEY1
TUN_SD
SYNC
FX_DET1
FX_CLK
FX_DI
FX_DO
R2040
RESET
10K
VREF
SYNC
FX_DET1
W2524 GNDE
0
220 DVD_CMD FX_CLK
DVD_STAT FX_DI
DVD_CLK
FX_DO
AGND
RMT
FRONTL
FRONTR
SUBW_OUT
SL_OUT
VREF
SR_OUT
C2520
CENTER_OUT 0
MUTE_C_S
W2643 0
MUTE_F_SW
HOP_DA
DC_DET2
MOD_DA
W2558 0
1/4 2/4
3/4 4/4
SA-PT550E/EB/EG MAIN CIRCUIT
GNDE
SA-PT550E / SA-PT550EB / SA-PT550EG
27 28
A
B
CN2020
8 HP_RCH
7 AGND
D
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
17 ACS_MUTE
16 ACS
15 MPORT_LCH
14 AGND
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
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 F
TO
8 AGND
D-AMP CIRCUIT
9 SURROUND R
(CN5050)
10 AGND
IN SCHEMATIC
11 CENTER DIAGRAM - 12
12 MUTE_S (MODE 1) G
13 MUTE_F (MODE 2)
14 FHOP
15 SW+5V
16 DC_DET
17 MOD_DA 1
H