Tuner Amp Pcb (Power Supply Part) - Pioneer AVH-X8500BHS Service Manual

1

10.3 TUNER AMP PCB (POWER SUPPLY PART)

A
CHIP SIZE LEGEND
1608
2125
3216
SOC13
SO13
SOC13S
R1412
1k
B
DDCCLK_S
SOC33
GNDD
C
PWR2R
SOC33S
VVCC15
VV15
VVCC15S
D
DSENSFLG
VVCC33S
VCC33S
MOTV
MOTV
E
MTRPW
AVCC5S
EV12
477kHz/524kHz
Q1443
HIOUTCLK
DRC9A43E0
F
A
3/7
130
1
2
VDD33V
SYS+B
DD5&DD8
&VD5&VD8
ILM+B&AVCC5
VCC33
VVCC33&VVCC18
DD5_1&SOC33
SOC18
IC1402
S-1172B13-E6
SO18
R1419
1 6
VOUT VIN
NM
2 5
VSS1 VSS2
3 4
ON/OFF NC
R1410
GNDSOCDD
NM
SOC33
R1416
GNDSOCDD
470 R1421
1k
Q1401
LSCR523UB
R1420
GNDSOCDD
1k
GNDSOCDD
SO33
R1396
SOC33_1
0
SO33_1
Q1391
NM
R1417
R1392
NM
NM
C1394
Q1392
NM
NM
GNDVD5
GNDD
VVCC33
VVCC33_D
IC1383
R1383
5 1
VIN CONT
1k
2
GND
4 3
SWVVCC33
VOUT NC
SWVVCC33
NJM2878F3-15 R1387
Q1381
LSAR523UB
GNDVCC
Q1382
LTC043ZEB
Fast acting fuse
Q1431
MOTV
D1431
P1431
2SD2118(QR)
1 2
NM
CEK1385-A
(2.5A)
R1431
120
R1433
Q1432
DRC9A14E0
22
GNDM
EV12
12.2V
EV12 LSCR523UB
RB551V-30
Q1441
D1442
(D)
GNDHI
AVH-X8500BHS/XNUC
2
3
:1301 - 1310 SOC18&SOC12
:1311 - 1320 MOTV
EV12
:1321 - 1360 TUN5V
:1361 - 1370 HD PW
:1371 - 1380 SXIPW12V
:1381 - 1390
:1391 - 1400
CTH1526-A
L1401
IC1401
16
1
PWGD
VIN2
GNDSOCDD
2 15
FSYN SW4
3 14
C1404 R1402
PWON SW3
0.1u/10 560k
13
4
17
RT PGND2
5 12
SGND PGND1
EP
11
6 GNDSOCDD
SS
SW2
7 10
CC SW1
8
9
FB VIN1
R1403
AL2010
12k
GNDSOCDD
SOC33
IC1391
6
1
VIN
VOUT
2 5
VSS1 VSS2
3 4
ON/OFF NC
DD5_1
S-1172B33-E6 R1418
2SA1577(QR)
DD5_1 NM
GNDVD5
LTC043ZEB
IC1381
Fast acting fuse
VV33
P1382
1 6
VIN
VOUT
1 2
2 5
CEK1379-A VSS2
VSS1
(0.5A)
3 4
ON/OFF NC
S-1172B33-E6
GNDVCC
NM
R1388
1k
VCC33 VCC33
VCC33
IC1371
NJM2886DL3-33
GNDD
R1372
1k
GNDSD
L1441
14.1V
CTH1388-A
47uH
IC1441
C1446
8 EaIn 1
FB
0.1u/16
Q1442 7 2
OSC SCP
RSF014N03
D
6 3
GND Vcc
G
R1446
5 4
BR/CTL
Out
0
S
TK11840L
3
:1401 - 1430
:1431 - 1440
:1441 - 1460
:1461 - 1470
:1471 - 1480
;C1421 R1422 - 1427
D1421 Q1422
Q1447 P1421
SOC18
D1391
NM
Fast acting fuse
Q1393
P1391
1 2
CEK1381-A
(1.0A)
R1399
1k
Q1400
R1474
0
DVCC1V
GNDD
1
D1381
2
NM 3
GNDVD5
R1371
D1371
NM
For LS1 Mecha
NM
VD5
C1373
NM
GNDD
VD8
VD8
For LS1
DD8
DD8
SYS+B
R1363
R1362
NM 1k
AVCC5
S-1142B50I-E6
ON/OFF
3
AVCC5
VSS1 VSS2
2
VOUT
VIN
1
L1442
IC1361
CTF1735-A
GNDHI
4
onl
SX
SXPWR12V 12V
TUN5V
IC1461
NJM2846DL3-05
TUN5
1SR154-40
5.0V
D1463
6.7V
D1464
C1461
NM
GNDA GNDRF
IC1471
HD PW NJM2886DL3-33
DVCC3V
R1471
0 GNDHD33
IC1473
NJM2855DL1-33
D1471
IC1472
NM
6
VOUT VIN
5
VSS1 VSS2
4
ON/OFF NC
S-1172B11-E6
GN
DD5
DD5
VD5
5.18V
P1322
VD5
CEK1382-A
2
1
Fast acting Fuse
(1.25A)
VD8
P1323
8.1V
1 2
Mecha
CEK1386-A
Fast acting fuse
(3.0A)
AVCC5
NC
4
5
R1361
6
0
GNDAVCC5
4