Schematic Diagram - Mb-1407 Board (4/12); Schematic Diagram - Mb-1407 Board (5/12) - Sony HT-NT3 Service Manual

HT-NT3
5-8. SCHEMATIC DIAGRAM - MB-1407 Board (3/12) -
1 2 3
MB-1407 BOARD (3/12)
A
D3.3V
>012S
12
MB-1407 BOARD
UNSW3.3V
(6/12), (7/12)
(Page 39), (Page 40)
B
UNSW3.3V
>013S 13
MB-1407 BOARD
(6/12), (12/12)
(Page 39), (Page 45)
GND
>004S
4
C
MB-1407 BOARD
(1/12), (2/12), (4/12),
(5/12), (6/12), (7/12),
(8/12), (10/12),
(11/12), (12/12)
(Page 34), (Page 35), (Page 37),
(Page 38), (Page 39), (Page 40),
(Page 41), (Page 43),
(Page 44), (Page 45)
PCONT_WOL_STB
>014S 14
MB-1407 BOARD
(6/12)
D
(Page 39)
PCONT3
E
PCONT3
>015S
15
MB-1407 BOARD
(6/12)
(Page 39)
F
SPARTA_PCONT
WS_VDD
>016S 16
MB-1407 BOARD
(7/12)
G (Page 40)
PCONT1
>017S 17
MB-1407 BOARD
(6/12), (7/12)
(Page 39), (Page 40)
H
UNSW5.1V
>018S
18
MB-1407 BOARD
(5/12)
(Page 38)
UNSW5.1V
SPARTA_PCONT
>019S
19
I
MB-1407 BOARD
(6/12)
GND
(Page 39)
UNSW12V
UNSW12V
>020S 20
MB-1407 BOARD
(7/12), (11/12)
(Page 40), (Page 44)
J
PCONT_FL
>021S 21
MB-1407 BOARD
(6/12)
(Page 39)
K
HT-NT3
• See page 53 for Waveforms.
4 5 6 7
3.4 3.4 JL305
Q308
R302
QM2401C1
33k
+3.3V PWR SUPPLY
1.7 R315 C362
10k 22
R308
33k
0
Q304
3.4
LTC014EUBFS8TL
PWR SUPPLY
CONTROL
3.4 3.4 JL306
Q309
R303
QM2401C1
33k
1.7 +3.3V PWR SUPPLY
R309
33k
0
3.4 Q305
LTC014EUBFS8TL
PWR SUPPLY
CONTROL
3.4 3.4 JL307
Q310
R304
QM2401C1
33k
1.7 +3.3V PWR SUPPLY
R310
33k
0
3.4 Q306
LTC014EUBFS8TL
PWR SUPPLY
CONTROL
JL308
3.4 3.4
Q307
R301
QM2401C1
33k +3.3V PWR SUPPLY
1.7
R307
33k
0
3.4 Q301
LTC014EUBFS8TL
PWR SUPPLY
CONTROL
JL315
5.3 5.3
Q314
R340
QM2401C1
33k
+5V PWR SUPPLY
2.6
R341
R342
33k
10k
0
Q313
3.3
LTC014EUBFS8TL
PWR SUPPLY
CONTROL
5.2 5.3
Q311
RZM001P02T2L
R305
+5V PWR SUPPLY
33k
2.7
R311
Q302
33k
LTC014EUBFS8TL
PWR SUPPLY 0
CONTROL
3.4
12.5 12.5
Q312
RZM001P02T2L
R306
+12V PWR SUPPLY
33k
6.4
R312
Q303
33k
LTC014EUBFS8TL
0
PWR SUPPLY
CONTROL 3.4
22 23 24
>022S >023S >024S
MB-1407 BOARD MB-1407 BOARD MB-1407 BOARD
(12/12) (8/12), (9/12), (6/12), (9/12), (1/12), (2/12), (4/12),
(Page 45) (10/12), (11/12) (10/12), (11/12) (5/12), (7/12), (8/12)
(Page 41), (Page 42), (Page 39), (Page 42), (Page 34), (Page 35), (Page 37),
(Page 43), (Page 44) (Page 43), (Page 44) (Page 38), (Page 40), (Page 41)
8 9 10 11
L305
2.2uH C332
0.1
SPARTA_PCONT
L304
R331
2.2uH
680
R332
15k
UNSW12V_SYS
L303
2.2uH
R326
1k
UNSW3.3V
L306
R328
2.2uH
68k
R329
5.6k
UNSW12V
L302
2.2uH
C331
PCONT3
L307
C312 R334
2.2uH
20k
10
R335
1.5k
UNSW5.1V
5 25
>005S >025S
MB-1407 BOARD MB-1407 BOARD
(4/12), (5/12),
(8/12)
(Page 37), (Page 38),
(Page 41)
36 36
12 13 14
C341
C329
10
10
C338
0.1
12.4 12.4
VIN1 VIN2
7.1 6 6.8
C326 C347 L310
VBST1 VBST2
0.1 0.1 2.2uH
5 JL316
1.3
1.1
SW1 SW2
PGND1 PGND2
R351
3.4 220
3.4
EN1 EN2
JL310 JL314
R352
PG1 PG2
6.8k
0.8 0.8
VFB1 VFB2
5.8 R353
GND VREG5
22k
C335
1
IC303
TPS542941PWPR
IC303
DC-DC CONVERTER
C339
C330
10
10
C336
0.1
12.4 12.4
VIN1 VIN2
9.2 2
C325 7.2 C342
L308
VBST1 VBST2
0.1 1 0.1 2.2uH
JL317
3.4 1.3
SW2
SW1
PGND1 PGND2
12.4 3.4
EN1 EN2
JL309 JL313
R347
PG1 PG2
30k
0.8
0.8
VFB1 VFB2
5.8
R348
VREG5
GND
47k
C337
1
IC301
TPS542941PWPR
IC301
DC-DC CONVERTER
CL301
C340
C328
10
0.1 10
R349
1k
12.5 12.5
VIN1 VIN2
4
7.3 10.9
C327 C344 L309
VBST2
VBST1
0.1 3 0.1 4.7uH
1.6
5.3
SW1 SW2
PGND1 PGND2
3.4 12.5
EN1 EN2
JL311 JL312
PG1 PG2
0.8 0.8
VFB1 VFB2
5.7
GND VREG5
C334
1
IC302
TPS542941PWPR
IC302
DC-DC CONVERTER
GND
UNSW12V_SYS
UNSW12V
Note: IC301, IC302 and IC303 on the MB-1407 board cannot exchange with single. When
these parts on the MB-1407 board are damaged, exchange the entire mounted board.
15 16 17
SP_1.3V
>026S
26
MB-1407 BOARD
(9/12)
(Page 42)
RG_1V
>027S
27
MB-1407 BOARD
(10/12), (11/12)
(Page 43), (Page 44)
1.2V
28 >028S
MB-1407 BOARD
(5/12), (8/12)
(Page 38), (Page 41)
R354
68k
R355
1.5k
R356
12k
DDR_1.5V
>003S
3
MB-1407 BOARD
(1/12)
(Page 34)
ET301
ET302
ET303
ET304
ET305
(CHASSIS)
JL302
4 DGND
JL301
3 DGND
>030S
JL304
2 UNSW12V_SYS
AMP
1 USW12V
JL303 BOARD
CN6007
CN301
(Page 47)
4P