Sony VPL-PX32 Service Manual page 141

• Refer to page 7-32 for Printed Wiring Board
• Refer to page 7-35 for Waveforms
• Refer to page 7-35 for IC Block Diagrams
3.3V -1
R3389
R3385
:CHIP
#
VBUS
R3363
100
:CHIP
Q3307
DTC144EKA-T146
V BUS SW
US+ TP3004
US+
US- TP3003
US-
DS1+ TP3002
DS1+
DS1- TP3001 DS1-
Y Board Waveforms
1 2 3
3.2 Vp-p 3.2 Vp-p
TP3202 [HD] TP3203 [VD] TP3204 [SCL400K]
5
4.5 Vp-p
TP3302 [SDA100K]
VPL-PX32
A B
D3318
DAN202K-T-146
V BUS SW
Q3306
2SA1162
V BUS SW
R3365
510k
C3332
:RN-CP
R3386
1k 4.7
2.2k
10V R3368
:CHIP
F:CHIP 510k
:RN-CP
C3318 C3317
R3406 0.1 0.1
10k 25V 25V
B:CHIP B:CHIP
:CHIP
C3313
0.1
25V
B:CHIP
DVDD CS2
R3382
0 :CHIP
DGND CS1
R3383
0 :CHIP
PSSEL DGND
C3316
R3370 0.1
PVSEL DVDD 25V
10k
IC3303 B:CHIP
R3344 C3328 :CHIP
DGND µPD72012 AVDD2
1.5k 0.01
C3315
USB HUB CTRL
:CHIP B:CHIP R3373 0.1
RESET AGND2
# 25V
R3345 15 :CHIP B:CHIP
UD0 AGND1
R3346 15 :CHIP
UD1 X1
R3349 15 :CHIP
D10 CLK/X2
R3350 15 :CHIP
D11 AVDD1
C3314
DGND OSL
JL3324 B:CHIP
#
≠≠≠≠≠ RESET ≠≠≠≠
R3351
15 GND
:CHIP
TP3007
R3352 R3353
R3355 R3347
15 15
R3359 R3354 15 15
:CHIP :CHIP
15k :CHIP 15 :CHIP :CHIP
R3360 :CHIP
R3356 R3348
15k :CHIP
15 15
R3361
:CHIP :CHIP
15k :CHIP
R3362
15k :CHIP
TP3306
DS2+
TP3305
DS2-
TP3307
DS3+
TP3308
DS3-
4
4.5 Vp-p 4.5 Vp-p
TP3301 [SCL100K]
C D
Y (3/3) Y (3/3)
5V -1
D3320
#
Q3309
#
R3390
C3334
10k R3391
R3388 4.7
:CHIP #
# 10V
F:CHIP
PJ CTRL EN
R3384
100
:CHIP
Q3310
+3.3V DTC144EKA-T146
C3325
V BUS SW 0.1
25V
C3321
C3323 B:CHIP
0.1 33p
R3366 R3367
25V CH:CHIP
100k 100k
B:CHIP
:CHIP :CHIP
R3378 X3302
3k 24MHz
:RN-CP JL3325 #
R3343
USB REQ 1M
P.FLG
:CHIP C3322
TP3304
33p
R3364
C3324
CH:CHIP
0.1 3k
25V :RN-CP USB REQ
B:CHIP
R3372
100k
:CHIP
C3319
10p
C3330
CH:CHIP
0.01
B:CHIP
X3301
(P2) ≠≠≠≠≠ RESET ≠≠≠≠
4MHz
C3320
10p
CH:CHIP
0.1
25V
Y(3/3)
(USB HUB CTRL/USB MONITOR CTRL)
TC7S66FU (IC3401)
IN/OUT 1 5
OUT/IN 2
GND 3 4
7-35 7-35
E
R3369
0
D+5V-1
:CHIP
C3327
IC3304
0.1
ST72T631L4M1
25V
USB PJCTRL
B:CHIP
C3326
1
VDD VDDA
10V
R3371
B:CHIP 1.5k
OSCOUT USBVCC
:CHIP
DS3-
OSCIN USBDM
DS3+
VSS USBDP
TP3309
PC2 VSSA
GND
PC1 PA0
TP3006
SDA USB SDA USB
PC0 PA1
RESET N.C.
N.C. N.C.
PB7 N.C.
TP3005
SCL USB SCL USB
PB6 PA2
VPP PA3
PB5 PA4
PB4 PA5
PB3 PA6
PB2 PA7
PB1 PB0
COMM.BUS
(P1,P2)
USB (P1)
B-SS1717-Y..-P3
S-80842ANNP-ED6-T2 (IC3201)
S-80828ANNP-EDR-T2 (IC3202)
V
CC
V
OO 2
CONT
V
REF
V 4
SS
F G
1
2
3
4
1 OUT
5
H