26
L04HU AA
6.
Block Diagrams, Testpoint Overviews, and Waveforms
I2C and Supply Voltage Overview
POWER SUPPLY
4
3
2
9
8
4
17
18
14
13
5
3
2
1
E_14820_011.eps
210904
3575
3571
3576
A1
AUDIO_AMPLIFIER
A7
FEATURES & CONNECTIVITIES
A5
REAR I/O CINCH
A8
CRT
B1
SCAVEM
B2
FRONT CONTROL
A9
FRONT INTERFACE
J
HERCULES
A4
CLASS D
AUDIO AMP
(RESERVED)
A6
LINE + FRAME DEFLECTION
A2
1503
5520
7541
ENERGIZING
CIRCUIT
(optional)
10
12
1
2
3
4
V_DG
V_DG
+3V3
5562 6563
6571
1543
-Vaudio
-Vaudio
1
1
+Vaudio
+Vaudio
+6VA
5551
5552
6551
5561 6562
Vbatt
+Vbatt
A4
A4
A4
A4
STDBY_CON
7571
REFERENCE
CIRCUIT
7990
TDA2616Q
AUDIO
OUTPUT
HERCULES
7573
STANDBY
CIRCUIT
7515
TCET1103
Vbatt
Vbatt
VIDEO SUPPLY
VIDEO SUPPLY
FILAMENT
FILAMENT
FILAMENT
To 6407
on
EW_DRIVE
A4
A2
A2
Stdby_Con
A1
POWER_DOWN
A1
-12V
+9V
+9V
7405
5402
LINE
OUTPUT
CIRCUIT
+
E/W
CORR.
7404
1404
1
2
HOR.
DEFL.
COIL
5445
3
1
FOCUS VG2
EHT
TO
CRT
1401
1
2
FILAMENT
3
4
5
12
10
6
B1
6453
6459
6452
7
8
9
5
6456
6454
6455
4
5
1
2
5531
8
+3V
+6V
Vaux
+6VA
6564
6536
6
6537
6207
POWER-DOWN
HOT GROUND
COLD GROUND
3565
2204
7210
2564
3532
10
6535
2536
2535
6676
5537
6565
6566
7561
7536
7535
D
S
G
B
1454
6483
6484
1452
3458
3484
3485
3457
2456
1903
9910
9911
V_DG
+1.8V_A
+1.8V_B
+3V
+3V
+8V
+6V
+8V
+6V
+Vbutter
+Vbutter
+3.3V
+3.3V
+5V
+5V
+3V
+3V (N.C.)
+9V
+9V
+9V
+9V
+6V
VT_SUPPLY
RESET +5V
+6V
+6VS
+3.3V
+5V
+6VA (To 3445)
*
see diversity table
*
5
7
4604
6694
-/C5V1
3210
3209
3606
3206
3295
3217
3211
3608
3609
3208
7201-2
7204
7203
7202
115
16
7200
PWM1
DECDIG
D
S
G
7209
D
S
G
7201-1
7605
7604
3607
7603
L78L33ACZ
1
3
+9VA
+9VA_1
+8V
+8V
Vbuffer
Vbuffer
4611
9605
Vbutter
Vbutter
To LED
+6V
To 3-6692
(IR_REC)
+5V
3639
3690
3693
3610
6610
1212
1
1693
1693
1
1221
+9V
LINEARITY & PANORAMA
(OPTIONAL)
G
1462
1
+12V
+12V
+5V
+5V
5
4
3
2
1
1351
VSVM
+200V
FILAMENT
VSVM
+200V
+200A
3351
To
VERTICAL
DEFLECTION
To 6403, 3480,
3420, b-7401,
c-7403
on
A2
To 3405, 3463,
3475
on
A4
HERCULES
A5
FEATURES & CONNECTIONS
I2C BUS INTERCONNECTION DIAGRAM
1005
1
2
3
7200
SET
PROCESSOR
PART OF
VIDEO-
PROCESSER
(HERCULES)
ERR
19,20
7601
PCF8511
EEPROM
(NVM)
ERR
9
ERR
10
ERR
6
3207
3214
3202
6211
6210
3204
+3.3V
3604
3605
+3.3V
R11
R2
+5V
+5V
R12
+5V
3601
+3.3V
SDA
SCL
WRITE_PROTECT
ITV_DATA_OUT_SDA
21
22
27
ITV_DATA_IN
26
ITV_CLOCK
23
ITV_SCL
14
ITV_POR1
3
20
5
6
7
A3
TUNER IF
1000
TUNER
3000
1259
1
2
3
3001
5
4
For
COMPAIR
only
1213
1213
1
2
3
A5
TUNER IF
A3
5001
9002
6001
+5V
+5V
To TUNER
Pin 6.7
To TUNER
Pin 9
VT_SUPPLY
-/C33
A5, A3
+3.3V
+5V
HDRIVE
VT_SUPPLY
VT_SUPPLY
BCL
3455
6573
A4
A5
A4
A5
A1
A5
A5
A5
A1
A5
only used in sets with IDTV
15
31
SUPPLY
PRIMARY
SIDE
SUPPLY LINES DIAGRAM
3401
3626
ITV_DATA_OUT
ITV_CLOCK
ITV_DATA_IN
3625
DATA_OUT
DATA_IN
CLOCK
3628
R9
R6
R7
R3
Q1
R4
6
ITV_POR1
5
ITV_SCL
3
ITV_CLOCK
3628
1
ITV_DATA_OUT
STANDARD
SYSTEM
3626
2
6
5
3
1
2
ITV_DATA_IN
POR
SCL
CLOCK
CLOCK
DATA_OUT_SDA
DATA_OUT_SDA
DATA_IN
DATA_IN
3625
A4
L5
EXTERNAL POWER SUPPLY
EPS1B
0213
HOT GROUND
COLD GROUND
AC
IC1
C21
BR1
CR1
D2
C7
C23
HOT
COLD
T1
1
2
5
C
N.C.
4
DC
CONTROL
0228
+12V
3
2
1
1507
6201
A1
A1
A2
A5
A2
A5
A5
A4
A8
A4
A4
A3,
A9
A4
OR
SYSTEM
OR
OR
OR
SP/LS MODULE (CONTROL PART)
I1
DATA_OUT
DATA_IN
CLOCK
IR_DATA
4
2
1
3
6
5
+5V
GND
SMART
LOADER
SMART PLUG
LOADER U1
SMART
LOADER
SMART PLUG
LOADER U1
3717
3729
+5V +5V
INTERFACE MODULE (CONTROL PART)
J1
1259
1213
1
2
3
3745
3716
+5V +5V
DCM
MODULE
DATA_OUT
DATA_IN
CLOCK
SCL
POR
SDA
9
15
8
7
14
6
1800
9023
32P CONN.
3744
3715
3710
3743
CLOCK
ENABLE
3
1
2
INTERFACE MODULE (SUPPLY PART)
J1
0228
DCM
MODULE
3
10
1800
32P CONN.
3740
6703
2703
+5V
+5V
3
1
2
INTERFACE MODULE (SUPPLY PART)
I1
1251
N.C.
3
5
MAIN_AUX
R1
R5
3
1
2
1220
N.C.
DATA_OUT
DATA_IN
CLOCK
IR_DATA
+5V
GND
U4
LE50CZ
STANDARD
3264
+3V3
3281