Block Diagrams; Overall - Sony VPL-CX20 Service Manual

Block Diagrams

C
IC1101
CN301
AV L/R
AUDIO
MULTI
PROCESSOR
Y/C/CVBS
CN300
R1/G1/B1/HSS1/VSS1
INPUT
A
Q402
S0G A
BUFF
HSYNC A
VSYNC A
Q403,Q406~414
HSYNC BUFF
IC404
V-SYNC
MONO MULTI
Q300~Q306
SCL
SDA 2
LEVEL
CONV
H
&
SW
SCL 100K2
S2000~S2003 S2004~S2010 D2000~D2004 SDA 100K2
LAMP
MENU AUTO-FOCUS
TEMP
INPUT LENS-FOCUS -
PSAVE
POWER LENS-FOCUS +
POWER
UP LENS-ZOOM -
2
DOWN LENS-ZOOM +
LEFT
TILT -
RIGHT
TILT +
ENTER
LED
KEY0
KEY4
AF
TO AF
V
S2500
FILT COVER FILT COVER
TILT 2
IC2500 ANGLE DETECT
IC200
RESET
EXT TEMP
SIRCS
NR
SIRCS
IC2300
SIRCS
IF
SIRCS RECEIVER
IC100
Q100
L
D XXXX LED LED
SW
U
S2400
LAMP COVER
LAMP COVER
TH2400
LAMP TEMP LAMP TEMP
CN200
CPU
NF
TH2200 &
LAMP TEMP
RWROM
IC2200
SIRCS RECEIVER
IC205
TXD TXD
CN2200 BUS
VISCA
RXD RXD SELECT
SDA 100K1 2
SCL 100K1
SDA 100K2 2
SCL 100K2
SDA 400K 2
SCL 400K
VPL-CX20/CS20
Section 5
IC1103
L
AUDIO
+
R AMP
Q1101
SDA100K1,SCL100K1
INV SW
IC660
IC501
C RE 8 DRE 10
SCAN
GE
8 CONV DGE
10
CDEC
BE
X500 8
DBE 10
ADC
RO
27MHz 8
&
DCLK/DVS/DHS
3
GO
CDEC 8
BO
8 2 SDA,PW
5 SCL,PW
GCLK,GFBK,HS,
Q400,Q401 YS,COAST 5 PW DVS
SDA,PW 2
SCL,PW
BUFF SDA,SCL 2
PWFMBSY
IC205 PIC MUTE
RESET SIGCH FLAG
X601
RXD SC
16.384MHz
TXD SC
5
HSS/VSS/CLAMP
3
IC606
IC601,IC602
IC405
RESET PIC MUTE
Y/CVBS
2
IC604
RXD SD
S0G
SPREAD
IC402 SYNC TXD SC
SPECTRUM
SEP
H
LEVEL
SIFT
X600
&
V
16.384MHz
SWITCH
SCL400K/SDA400K
X400
IC701
33MHz
RESET
IC403 SDA 400K
SCL 400K 2
RESET
PC DTV
IC300
EDID
EEPROM
DDC WR
DDC SWO
IC201
3
MAIN
PW DVS
CPU
PC DTV
AU MUTE
IC202
SCDE
IC1100
SCLE EEP
ENCO~1
ROM
CNT PLS DECODER
4
FOR OPT CONT
2
Q1100,Q1102~1104
RESET E
AF ADT,AF REQ,AF BUSY 3
SW
TILTX,TILTY
IC1105
POS DET POS DET
BUFF
X200
SCL 100K2,SDA 100K2
16.384MHz
FLAG
Q101 LAMP COVER
LAMP ON
2
LMAP
LAMP PO
INV
LED CONT
TH200
FAN PROT
FAN CONT1~3 3
P PROT
P ON
ECO ON
Q201,Q202
SDA 100K2
SCL 100K2
LEVEL 2
CONV
Q200
SDA,E
SCL,E
LEVEL 2
CONV
POWER ON

Overall

Overall
AU MUTE
IC700
IC900
DAR 10 VID R1~6 6
3D
GAMMA LCD
MCLK R Y COM R
& DRIVE
TG
Q900,Q901
3 P-SIG
BUFF
IC901
SOUTR GCFB
INV
IC801
DAG VID G1~6 6
10
LCD
MCLK G V COM G
DRIVE
Q800,Q801
3 P-SIG
BUFF
IC802
SOUTE GCFB
INV
IC1001
2 GCFB
SOUTB
INV
Q700
IC1000
BUFF
VID B1~6
DAB 10 6
LCD
MCLK B
DRIVE
V COM B
Q1000,Q1001
P-SIG
3
BUFF
IC703~706
17 42
BUFF
IC800
PDRV SDA
PDRV SCLK
SENB
PDRV SENB SCLK,SDAT
BUS 3
BUFF
IC1102,IC1106 IC1104
MOTOR
NOR
CN1102
DRIVE
TILT ADJ
ZOOM+ FOCUS+
FAN FAN
CN
CN110
D A
AF
BALLAST
CN113 CN112
CN110
Q104,Q105
P-SAVE
FCONT
D102,D103
3
Q103
FAN PROT
SW
4
IC1202
5V 5VREG
IC1203
IC1204
9V 9VREG
5V 5VREG
IC1201
IC1207
15.5V
15.5V
REG
3.3V
3.3V/1.8V
REG
1.8V
IC1206
13.5V
IC1200
13.5V
REG
2.5V
2.5V
REG
3.3V
IC1205
SUB5V
1.8V
1.8V/1.55V ECO3.3V
REG
1.55V
Q1201,Q1202
INV SW
5-1 5-1
CN1101
SP
CN900
LCD
(R)
14
CN800
LCD
(G)
14
CN1000
DC(+)
LCD
(B)
GA
D308,D309
IC301
Q203,IC201
17V
14 POWER
MAIN
SWITCHING FACTRY
6.3V
REG CONT
Q206,Q207
PM301
AC CONT
P CONT
COUPLER
PM302
PFC ON P CONT
COUPLER
FAN FAN
F E
GB IC803
D813
CN115 CN114
RECT
D/D CONV
D814
RECT
IC802
FAN
B
D811 D/D CONV
OR
CONT
FAN
RECT
C
RESETE
D812
SCL E
SCD E RECT
Q802
FAN PROT
OR
OFF/GO
D819
SWITCH
FAN CONT FAN CONT
Q701,Q702,
P PROT P PROT
P PROT Q705~707
P ON
ECO ON
17V
6V
RESETE
SCL E
IC806
SCD E
EPROM
17V
6V
Q708,IC703
3.3V DC-DC
CONVERTOR
SUB5V
ECO ON
ECO 3.3V
PCONT
IC702
P DELAY
TF
IN/OUT
F
D201
LINE
RECT
FILTER
FAN
CONT
FAN
IC801
11V
REG
Q703
17V ON/OFF
SWITCH
Q704
6V ON/OFF
SWITCH
IC704
SUB5V REG
IC701
ECO3.3V REG