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BLOCK DIAGRAM - SCHEMA SYNOPTIQUE - BLOCKSCHALTBILD - SCHEMA A BLOCCHI - ESQUEMA DE BLOQUES
SMALL SIGNAL BOARD
SSB
SCART3
FCB
Audio3 L/R
FRONT
Y 1H
Chroma in
END
Video/Y in
U 1H
PART
V 1H
HA
VA
Audio2 L/R
Video out
IC001
Slow switch
TDA9321H
AV link
High Lvl Input
Processor
Chroma in
Video/Y in
NH001
8V
CTT5010
RGB+FB in
5Vup
Tuner pan euro
5V
40V
Audio1 L/R
Video out
Cvbs LB
Slow switch
AV link
AVlink
Trap info
Chroma in
Cvbs txt
Video/Y in
Pin8 wakeup
Gnd
FB2force
RGB+FB in
FB1force
FB1det
FB1fp
RF in
Audio3 L/R
Audio2 L/R
BA006
I2Cdata
IA001 Digital
Audio1 L/R
I2Cclock
Sound
Processing
Digit AF in
Video in
IA003 OPAmpl
1
IA002 St Power Ampl
AM AF
(A101 Dolby Prologic)*
SIF
Audio out L/R
1
1
BA010=>BP130
BA009=>BQ009
BA007=>BA400
(POWER BOARD)
(FCB 20000)
(PA SW 20000)
DEGAUSSING
DEG.COIL
STANDBY
POWER SUPPLY
IP020
VIPER20DIP
POWER / SCAN BOARD
PGND
PSB
FP001
MIS
Bridge
PFC
Rectifier
(Optionnal)
LP001
PGND
CH200
MAINS
U 220V
IP050
TEA2262
Vcc
Vcc
TP020
Out
Driver
Current
Imax
Limit.
Error
IS
Amplifier
Logic
PGND
PGND
POWER STAGE
POWER SUPPLY PART
ICC20
First issue 05 / 00
UP CONVERTER
IV304 OPAmplifier
Y 2H out
IU308 DMUO
IU309 Frame memory
U 2Hout
IU390 Regul 3V3
V 2H out
HDFL
VDFL
Safety Enable
LETTER
5V
BOX
BR002
DETECTION
IR300
Cvbs LB
CXD2057M
+40V
!
8V
ZR004
+5V_UP
1
5V
ZR002
!
AUDIO PART
Pin8 wakeup
Fuse resistors :
!
RA80= 4R7
RA180 = 4R7
RA120 = 4R7
RA
121 = 4R7
RA051 = 4R7
Master mute
Reset MSP
( Dolby P rolo gic)*
* Only some models
1
1
1
(BA002
)
SP015
Relay
2
Power Fail
RP020
Circuit
+8V_STBY (RP)
+8V_STBY (RP)
7
DP021
1
DP220
4
6
3
GND
PGND
LP020
16
+USYS
+40V
DP110
LP050
15
GND
GND
14
+UA
10
DP130
GNDS
12
4
DP135
13
-UA
DP051
19
DP120
TP150
21
GND
STP22NE03L
+7V
22
1
DP150
21
Regulation
DP054
Circuit
7
GND
VI1
DP140
IP220
+10V
VI2
18
+5V_UP
Reset
TDA8139
+8V
Circuit
PGND
20
RP227
TP057
DIS
PROG.
RP229
Reset
PGND
GND
LP070
Aqr_on
+5V_UP
+8V_
TP173/179
Usys
STBY
PWM
P0
TP160/161
+6V
IP170
+8V
PWM
TP221
+5V_UP
TP184/185
Secondary
Regulation
Pwm_pulse
TEA2262
IP070
On/Off
+8V_STBY
Opto
+8V_STBY
REG
REG
Coupler
BV300=>BB001 CRT
1
BL111
BV001
POWER
1
BOARD
EFC
VIDEO PART
SSC 2H
BB001 =>BV300 SIGNAL BOARD
V drive +
IV100 Picture
1
Signal
Improv
V drive -
IV200 High Level
Output
Defl saf
Processor
FW adj
G in
H defl prot
DPC
Beam info
PKS
8V
EW prot
5Vup
Phi2 ref
Breathing
EW Drive
H drive
I2Cbus
BR003=>BP005
1
D
CNT1_20V
POWER
C
BOARD
!
On
REMOTE PART
ZR003
8V
Restart
Pan Switch
+40V
HDFL
IR001 µP
VDFL
IR002 OTP
Degauss
CE Rom
IR004 RAM
Aqr on
IR005 NVM
IR006 Bus expand
Masse
Trap info
AVlink
!
Cvbs txt
ZR001
5V
FB2force
FB1force
+8VSTBY
FB1det
Inf pow fail
FB1fp
PO
Reset
+5V_UP
+5V_UP
CNT1_20V
21
1
BR001=>KB20000
BP130=>BA010
BP005
BP130
(SIGNAL BOARD)
1
+10V
1
Degauss
Inf pow fail
+8V_STBY
USYS
USYS
+40V
SCAN PART
+UA +17.7V
GNDS
-UA -16.3V
+20V
+5V
RP151
+8V_STBY
+5V_UP
+8V
Beam info
TP221
Aqr_on
RP228
TL010
TL003
ON4977
GND
Reset
TL004 / TL005
+10V
P0
Line
+UA
H drive
Driver
Safety
-UA
Circuit
CNT2_20V
RP198/DP196
+20V
+8V
RP196/DP194
DP193/IP170
+5V
Pwm_pulse
CRT.BS
+20V
Differentiation
RG002..RG004
Bsvm blk
CG052..CG054
Blk curr
TG011 / TG001 / TG002
R in
B in
G2 adj
R in
IB001
TDA6108
R in
G in
G in
B in
B in
BB002
1
BL200
1
21
GNDL
EHT
USYS
LL008
to tube
G2
Breathing
circuit
5
Focus
DL305
RL302
10
RL252
Pwm_pulse
Beam info
Line
Driver
DL251
+UVERT
12
TL003/4/5
(D,~16V)
+UVERT (D,~16V)
GNDL
7
DL231
+UVFB (D,~40..50V)
+UVFB
11
1
(D,~40..50V)
V-Yoke
9
-UVERT
(~-16V)
DL221
DL201
U Video
9/BL200
6
GNDL
-UVERT
(D,~195V)
+UVERT
Heater high
3
5/BL200
-UVERT
Heater low
4
6/BL200
EW prot
Diode
Phi2 ref
Modulator
EW drive
H- Flyback
CL030
EW-
DL043 / RL043
Transistor
BL035
CL043
TL029
EHT circuit
safety
Hor.Yoke
Phi2
TL104
loop
circuit
USYS
BG003
TG006 / TG007
BSVM-COIL
1
BB007
EFC-COIL
1
Rotation
G2
Focus
EHT
G1
CRT GND
TB001
Spot
killer
G2 alignment
FW adj
TL311
TL312
U_VERT
Beam Info
RL301
DPC
Dynamic phase compens.
BL111
1
Peak white
PKS
CNT1_20V
limiter circuit
DL301/302/303
EFC
SSC 2H
V drive +
SSC_V_GUARD
GNDL
V drive +
V drive -
+
GNDL
Defl. saf.
-
V drive -
FW adj
IF001
TDA8177F
H defl prot
DPC
EFC
Beam-info
Earth Field
PKS
Correction
EW prot
Phi2 ref
Breathing
EW drive
+20V
21
Pan Switch
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