Sony XM-S400D Service Manual page 12

XM-S400D
4-5. SCHEMATIC DIAGRAM - MAIN Board (3/3) -
1 2 3 4
MAIN BOARD
A
B
C
D
E
F
G
FU1
15A
32V
CN501
16P
GND
GND 16
15 16 TP008
BATT
VCC 15
TP009
TELL_ATT 14
H 13 14
ACC 13
TP010
ST_CTL_IN0 12
11 12
ILL 11
TP011
TO
ST_CTL_IN1 10
CN501
AMP REM 9 10 TP012
AMP_REM 9
TP020
FRONT LCH (–)
FL– 8
7 8 TP022
FRONT RCH (–)
FR– 7
FRONT LCH (+) TP021
FL+ 6
TP023
I FRONT RCH (+) 5 6
FR+ 5
TP024
REAR LCH (–)
RL– 4
3 4 TP026
REAR RCH (–)
RR– 3
REAR LCH (+) TP025
RL+ 2
TP027
REAR RCH (+) 1 2
RR+ 1
BU_GND
J RR+
RL+
>004S
RR–
MAIN RL–
BOARD
FR+
(2/3)
(Page 11)
FL+
FR–
K
FL–
XM-S400D
• See page 8 for Waveforms. • See page 8 for IC Block Diagrams. • See page 13 for IC Pin Function Description.
5 6 7 8
(3/3)
R588
0
R527 R526
220 100
D503
GN1G
L503
TP007 TP006
22uH
R501 R502
2.2k 2.2k
C501 C502 C504
0.1 0.01 0.0022
100V
FB502
D504 D505
DZ2J082M0L DZ2J16000L
R504
10k
3.3
0
Q503
LSCR523UBFS8TL
0
0
5.7 5.7
Q501 Q502
LTC044EUBFS8TL LTC014EUBFS8TL
BATTERY CHECK
Q501, 503
BACK UP VOLTAGE DETECT 0
0.7
R505
Q504
10k
LSCR523UBFS8TL
REMOTE DETECT
C506 C507 R513
0.001 0.1 10k
9 10 11 12
TP001
TP005
TH501 TH502 TH503
TP004
TP003
TP002
R597
4.7k
TP028
R599 R514 R515 R516 C512 C513 C516
4.7k 4.7k 4.7k 4.7k 0.1 0.1 0.1
IC502
+3.3V REGULATOR
IC502
S-1142D33I-E6T1U
R520
0
14.2 3.3
6 1
VIN VOUT
5 2
VSS_5 VSS_2
4 3 14.1
NC ON/OFF
R512
100k
R503
100k
C545 C508 C514 C549
10 1 10 0.1
C558 C557 C518 C548 C547 C553 C528 C529
10 10 0.1 10 10 10 0.047 2200
16V
R575 R600
TP014 TP013
10k 10k
14.2
S
0.1
Q527
BSS84AK
Q527, 528
B+ SWITCH
14.1
2
R519 R521
10k 10k
2
14.2
2SC6027T100-QR
-0.1 BUFFER
Q508
2SC6027T100-QR
0.3
BUFFER
IC503
DC/DC CONVERTER
IC503
TL594CDTB-R2
1
R569 R566
0 0
R582 R577
R574
100 100k
C509 1k
0.0022
R571 C511 C517
1k R518 100 0.01
100k 16V
R572 C510 C538 R581 R524 R523 C520
150 0.1 1 1k 6.8k 10k 0.1
12 12
13 14 15 16
TP034 TP039
R552
0
0.3 19 12 3.3
TEMP_POW2 AMP_SDA
R553
0.3 20 11 3.3
TEMP AMP_SCL
IC508
R557
0.3 21 10 3.3
TEMP_AMP AMP_FAULT
22 9 0
MUTE SYSTEM CONTROLLER AMP_MUTE
3.3 23 8 3.3
IC508
DCDC_ON AMP_STBY
R5F1037AANA
3.3 24 7 3.3 R554
TOOL0 LED_ON 100
1L034XG42A0CAT01
3.3
PROTECT
0.1
Q525
LTC044EUBFS8TL
LED DRIVE
R594
R531 R533 R590 R591 R593
100
100k 100k 100k 100k 100k
C550 C525 C551
0.1 0.1 0.1
C541 C555 C554 C530 C544 C556
4700 10 10 0.1 1500 1500
16V 25V 25V
3.3
0.1
Q528
LTC044EUBFS8TL
14.2
-0.1
Q507
0.3
3
Q509, 513
SWITCHING DROVER
14.2
5 6
R541 R544
22 10
0.3
4
R538 R542 Q513
1k 1k NTMFS5C646NL S
1 2 3
0.3
0.2
T502
DC/DC CONVERTER
Q509
TRANSFORMER
2SC3326N-TE85L-B
R534
1k
R535 Q510
1k
2SC3326N-TE85L-B
0.2
Q514
0.3
1 2 3
R539 R543 NTMFS5C646NL
S
1k 1k
0.3
4
R540 R547
22 10
5 6
Q510, 514 14.2 3
SWITCHING DROVER
17 18 19
SDA
0
SCL
100 >003S
AMP_FAULT
MAIN
BOARD
AMP_STBY
(2/3)
(Page 11)
PVDD
DAMP_MUTE
D514
POWER
R587 R558 R559
1.5k 2.2k 2.2k
7
0
Q526
LTC044EUBFS8TL
INVERTER
BU_GND
>001S
INTP3
MAIN
SP_IN
BOARD
ANALOG_+18V
(1/3)
(Page 10)
AGND
IC507
+18V REGULATOR
IC507
TP015
NJM78L18UA-TE1 TP019
24.3 18
1 5 1 5
IN OUT
2 2 1 2
COMMON
3 6 3 6 C532 C533 C534
4 4 1 3 1 330
25V
D518 D519
NTS10100MFS NTS10100MFS TP017 TP018
JC502 C535
0 0.1
SL501
R583
0
LND507
1 5 1 5 R584
(CHASSIS)
2 2
0
LND508
3 6 3 6
4 4
D516 D517 R508
(CHASSIS)
NTS10100MFS NTS10100MFS 0
LND504
R506 (CHASSIS)
0
LND502
TP016
(CHASSIS)
LND501
(CHASSIS)