Panasonic SA-PT750PL Service Manual page 103

15 16 17
SCHEMATIC DIAGRAM - 7
:-B SIGNAL LINE
B
MAIN CIRCUIT
:+B SIGNAL LINE
TO MAIN
SECTION (1/4)
W2504
CN2011
C+9V 10
C+9V 9
W2509
I PWM 8
TO
TURN_REV 7
TRAY CIRCUIT
TURN_FWD 6
(CN7004)
MGND 5
IN SCHEMATIC
MGND 4
DIAGRAM - 15
L2006
POSITION 3
L2005
PULSE 2
L2004
DISC_SENSE 1
J
TO
LOADING MOTOR
CIRCUIT (CN9003)
IN SCHEMATIC
DIAGRAM - 16
1 11
L2003 J0JBC0000015
L2002 J0JBC0000015
IC2002
C0GAG0000007
LOADING MOTOR DRIVE
1 2 3 4 5 6
Q2915
B1GBCFJJ0051
MOTOR DRIVE
Q2915
TO MAIN
SECTION (4/4)
B16
18 19 20
:MAIN SIGNAL LINE :MUSIC PORT SIGNAL LINE
W2503
0
C+9V
0 PWM
TURN_REV
TURN_FWD
MGND
POS_SW(INT)
J0JBC0000015
PULSE
J0JBC0000015
DISC_SENSE
J0JBC0000015
R2009 0
80
W2546
81
0
R2022 10K
82
R2093 10K
83
W2532
R2077 10K
84
0
FLD_CLK
85 FLD_CLK
FLD_STB
86
FLD_STB
FLD_OUT
87
FLD_OUT
R2863
10K
88
DPORT_DET1
R2862
10K
89 MD3
LOAD(CAM_SW)
90 MD2
OPEN_SW KEY2
91 KEY2
ACS_IN
92 ACS
DISC_SENSE W2508 0
93
DISC_SENSE
94
DES2
95
DES1
96 AVSS
KEY1
W2802 W2515
97 KEY1
0 0
VREF
98
W2801
7 8 9 0.1
C2001
0
99
DISC1_LED
LOAD_REV
100
R2079 2.7K
LOAD_FWD
R2080 10K
1
W2505 0 C+9V
W2511 R2081
0 10K
PWM
LOAD_REV
W2510 0
LOAD_FWD
W2572 0
LOAD(CAM_SW)
OPEN_SW
FX_DO
FX_DI
W2534 0
RESET
D2005
B0ACCK000005
SYS6V
Q2003
B1GBCFLL0037
C2006
RESET
50V2.2
W2525 W2526
0 0
VREF
W2528
0
GNDE
21 22 23
C2002
0.1
C2000
0.1
W2553
0
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
W2557
50
49
48
47
[81]DPORT_DET2 [50]JOG_LED VMUTE 46
[49]TUN_SD
[82]GND 45
ACS_EN
[83]EXP_CLK [48]ASP_DAT
NC 44
[84]EXP_DATA [47]ASP_CLK
DCDET1 43
IC2001
DVD_MUTE 42
C2CBYY000472
EPM 41
SYSTEM CONTROL
40
DVD_PCNT
TUN_CLK 39
38
TUN_DI
[33]FX_CLK
[32]UART_RX 37
[98]VREF TUN_DO
[31]UART_TX
[99]AVCC
36
NC
[100]DISC1_LED
NC 35
FX_DET1 34
33
32
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
1
W2519 W2501
0 0
W2527
IC2003
EEPROM
8 NC NC 1
(NOT SUPPLIED)
W2523
W2520
0
0
7 GND VCC 2
6 DO CS 3
5 DI SK 4
101
24 25 26
R2041 22K HP-RCH
R2021 56K
HP-LCH
-7V
+7V
R2012 10K ACS_MUTE
R2045 10K ACS_IN
R2043 10K
KEY2
JOG_B
R2051 56K
JOG_A
R2037 47K
R2034 47K
W2521
DISC1_LED
0
TUN_SD
0
F_MPORT-LCH
R2069 220 ASP_DAT
R2068 220 ASP_CLK
F_MPORT-RCH
W2544
VMUTE
0
HPOUT_MUTE
W2545 0
-VP
FLD_STB
DC_DET1
FLD_CLK
W2556
DVD_MUTE
FLD_OUT
0
SW+5V
W2561 0
F-
W2529
TUN_CLK
F+
TUN_DI
0
RMT
TUN_DO
VREF
DGND
KEY1
FX_DET1
(BUSY)
(CLK) FX_CLK
UART_RX
(RxD)
UART_TX
(TxD)
R2040
RESET
10K
VREF
SYNC
FX_DET1
PULSE
W2524 0
GNDE
W2058 0 PWM
220 DVD_CMD FX_CLK
DVD_STAT UART_RX
W2516 0 DVD_CLK
UART_TX
W2602
AGND
W2555 0 RMT
0
FRONT L
FRONT R
SUBW_OUT
SL_OUT
VREF
0
DGND SR_OUT
AGND
CENTER_OUT
DGND
MUTE_C_S
ADGND
MUTE_F_SW
HOP_DA
DC_DET2
MOD_DA
3 2 1
E2901
1/4 2/4
CHASSIS
3/4 4/4
SA-PT750PL MAIN CIRCUIT
GNDE
SA-PT750PL
27 28
A
B
CN2007
1
28 HP_RCH
27 AGND
26 HP_LCH
25 -7V
24 +7V
23 ACS_MUTE
22 ACS
C
21 KEY2
20 JOG_B
19 JOG_A
18 JOG_LED
17 DISC1_LED
I
16 MPORT_LCH
TO
15 AGND TRAY CIRCUIT
14 MPORT_RCH (CN7001)
IN SCHEMATIC
13 HPOUT_MUTE
DIAGRAM - 15
12 -VP
11 FL_IC_STB
10 FL_IC_CLK
D
9 FL_IC_DAT
8 SW+5V
7 F-
6 F+
5 RMT
4 VREF
3 DGND
2 KEY1
1 DGND
28
E
8 RESET
7 CNVSS
6 VREF
FOR SOFTWARE
5 BUSY
DOWNLOAD
4 DGND
3 CLOCK
2 RxD
1 TxD
CN2009
1 FRONT L 17 F
2 AGND
3 FRONT R
4 AGND
5 SUBWOOFER
6 AGND
F
7 SURROUND L
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