Block Diagrams; Overall - Sony VPL-PX32 Service Manual

Section 6

Block Diagrams

QD
J1901 IC101 IC102
BA
Y Y V-Y
C C V.R-Y
3 4
S 1 2
C-VIDEO C-V V.B-Y
COLER RGB
DECODER INTERFACE
HS
VIDEO
VS
L-V
L-V
L-R IC221
R-V
CVBS
D.COMB
COMB Y/C
IC250
CN1904
DAC
RD,TD
RS-232C/422
J1902
SIRCS
CONTROLS-IN
SIRCS S
QB,QC
CN1202(QB)
CN1802(QC)
AR,AG,AB(QB),BR,BG,BB(QC)
AH,AV(QB),BH,BV(QC)
AR(QB),BR(QC)
J1203(QB)
J1801(QC) AL(QB),BK(QC)
IC1201(QB)
CN1201(QB)
IC1801(QC)
CN1801(QC)
IRD A(QB), IRD B(QC)
1-13
MOUSE
MOUSE
DS2-,DS+(QB)
DRIVER
CN1201(QB)
USB DS-,USB DS+
CN1202(QB)
USB DS+,USB DS-
INPUTA SW1
CN1201(QB)
INPUTA SW2 INPUTA SW1,SW2
CN1803(QC)
OUT R,G,B
OUT H,V
AUDIO OR
J1802(QC)
AUDIO OL
GA
L2100 T2101
IC2100 Q2100
AC
SWITCHING
INLET
PFC
CONT.
IC2102
PWM
CONT.
IC2101
PWM
CONT.
T2100
VPL-PX32
IC803
BB QA
V-R
(1/3) R
V-R,V-G,V-B V-R,V-G,V-B
V-G
VIDEO SW
G
V-B
B
V-HD,V-VD V-HD,V-VD
Q811-813 IC803
G/Y G/Y BNC R
R/R-Y R/R-Y BNC G
BUFF
BUFF
W/SW
B/B-Y B/B-Y BNC B
H H
V V
OUT R,G,B
IC802
IC823
AR R
BR R
SELECT
BNC R SW SYNC
D/A
CONV. PROCESS
IC824
AG G
BG G
SELECT
BNC G SW
D/A
CONV.
IC825
AB B
DAC OUT
BB B
SELECT
BNC B SW
D/A
CONV.
IC811
AH H
BH OUT H
BNC H
SYNC
AV SW V
BV OUT V
BNC V SW
D/A
CONV.
IC819 IC820
AL L
BL
SOUND
L-V
AUDIO
PROCESSOR
SW
AR R
PROCESSOR
BR
R-V
OUT H,V
AUDIO OR
AUDIO OL
GC
POWER ON
IC2500
SUB SUB SUB5V
SUB 5V
DC-DC CONV.
IC2104 POWER ON
POWER POWER PROT POWER PROT
PROT
17.5V
IC2700
10.7V FAN1,2
18V 10.7V FAN+B1,2
AUDIO +B
DC-DC CONV.
A-6V
A-7V
FAN PROT1,2
6V FAN CONT1,2
GD
IC2300
6V D+3.3V
D3.3V
DC-DC CONV.
GB

OVERALL

OVERALL
BB(3/3)
IC304
R R
G G
AMP
B B D/A
CONV.
A/B
D/A CONV. Q302,303
SYNC
DET
N,V
SW
D/A
CONV.
BNC R,G,B BNC R,G,B
HD
VD IC302
R
R
REF H H
REF V G V
G
IC806 B
B
IC807
SCD
D/A H
SDA H
CONV.
IC305(3/3)
V
V INV
D0-15
IC315
RAMOEN
RAMWEN
RAM
A0-17
BHENN
BNC H,V BNC H,V
IC821
L L
Q838
VAR L/R
MIX
AMP
R
R
L
R
IRD A, IRD B
DS2-,DS2+
USB DS-,USB DS+
USB US-,USB US+
K
IC2900
L/R AUDIO MAIN
AMP
KS
IC2950
L L SP
AUDIO
R R SP
AMP
KS
KEY KEY0
MATRIX
L SP
BB
R SP
(2/3) KEY KEY1
MATRIX
SP
L
SP
R
6-1 6-1
IC300
GRE0-7 RX0-,+
GGE0-7 RX2-,+
TMDS
TO
GBE0-7 RXC-,+
RECEIVER
CN300
RX1-,+
BC
IC303(1/5),(3/5)
DRE0-7 DRE0-7
DGE0-7 DGE0-7
DBE0-7 DBE0-7
SCAN DHS DHS
CONVERTER
DVS DVS
TXD
IC505
RXD (1/4),(4/4)
TO
CN312
WDTEN BUFF
W/SW
HD
PW OSD ENA PW OSD ENA
SW
VD IC303(2/5)
A0-19
BHENN
ROMOEN
MEMORY ROMWEN
CONT.
CS2
C
CS3
NM1 IC601
BOOTWE EVEN R R
EVEN G G
AMP
EVEN B B
D0-15
IC314
A0-19
ROMOEN
ROMWEN
ROM LCD
BOOTWE CONT.
FCEN
TO
CN301
PW OSD ENA
Y
VSO
HD
VD
IRDA,IRDB IC3303
DS2-,DS2+ DS2-,DS2+
DS1-,DS1+ DS1-,DS1+ USB,HUB
CNTL
US1-,US1+ US1-,US1+
FIL COVER
S300
SP
MAIN
IC3204
PW OSD ENA
VSO LAMP MODE
HD LAMP PROT
VD LAMP ON
IRDA,IRDB
MAIN CPU
SIRCS
SCLK LAMP TEMP
SDAT
KEY0 LAMP COVER
TXD RD
KEY1
IC3401
POWER LED,
RXD RS ANALOG
TEMP LED,
LAMP LED, SW
P.SAVE LED,
LIGHT ON
IC3301
NF ON
FAN PROT1,2 NR ON IRDA
FILTER
FAN CONT1,2 IROUT
POWER PROT
POWER ON
IC502 IC506
RE0-9 EVEN R
OSD
EVN
GE0-9 EVEN G
R,G,B
PROCESS,
BE0-9 DEC EVEN B
LCD CONT.
OSD YM
LCD CONT.
OSD YS
SDA
SCL
R IC606,608
G IC603,604
B IC605,607
R VID1-12
G VID1-12
ROM
B VID1-12
TO
R,G,B
LCD PANEL
LCD CONT.
IC3304
DS3-
USB
PJ
US3+
CTRL
TXD
TO
RXD
FLASH
TO
BALAST
S
LAMP TEMP
LAMP COVER
NF
IC3600
RD
SIRCS-NF
SIRCS
NR
IC3700
SIRCS-NR
SIRCS
RD,TD
SIRCS S
OVERALL BLOCK