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Block Diagrams, Testpoint Overviews, and Waveforms
I2C and Supply Voltage Diagram
A1
POWER SUPPLY
5500 :
0211
0231
5502
1500
6500
AC
6501
T4E
6502
150 - 250V
6503
SINGLE RANGE
MAINS
3527
90 - 276V
SWITCH
7520
7521
FULL RANGE
STP7NB60FP
TEA1507
8
3523
DRAIN
6
G
DRIVE R
3525
P2
5
SENSE
3
CTRL
3522
4
DEMAG
3531
6520
1
VCC
2521
CONTROL
IC
P3
I2C BUS INTERCONNECTION DIAGRAM
A7
CONTROL
+3.9V
+3.9V
ERR
6
C4
3607
3606
7200-B
SDA
3625
SET
72
PROCESSOR
3624
71
PART OF
SCL
VIDEO-
C5
PROCESSOR
5
6
0217
1
7602
M24C08
ERR
EEPROM
2
68
7
5
(NVM)
3
FOR
ERR
COMPAIR
9
ERROR CODE LIST
Error
Description
0
No error
1
X-Ray / over voltage protection
2
High beam (BCI) protection
3
Vertical guard protection
4
I2C error while communicating with the sound processor
5
Power ON reset (POR bit) 3.3V protection / +8V protection
6
General I2C error
7
Power Good (over current) protection
8
EW protection (Large Screen only)
9
I2C error EEPROM error
10
I2C error PLL tuner
11
Black current loop instability protection
L01.2E AB
6560
6561
5560
5563
2561
5520
P1
A
1
13
2503
6564
2
12
6562
3564
3
5562
10
D
2564
9
S
7561, 7562
5
7564
POWER
3526
DOWN
6
CIRCUIT
7
N.C.
3549
A
7540, 6540
3543
REFERENCE
CIRCUIT
3544
3519
3
1
7515
7541, 7542
TCET1103
STANDBY
STDBY_CON
2
4
CIRCUIT
HOT GROUND
COLD GROUND
A4
A9
TUNER IF
DECODER
NICAM + 2CS
SDA
SDA
SDA
SCL
SCL
SCL
I1
I2
A7
A8
5
4
8
7
1000
7831
TUNER
MSP34X5G
NICAM+2CS
DECODER
ERR
ERR
10
4
6.
15
P6
5561
95V
MAIN SUPPLY
A8
AUDIO AMPL.
7901
AUDIO
1
OR
OUTPUT
12V
STEREO
P5
M_AUX
3537
MAIN AUX
7902
MAIN AUX
AUDIO
1
AUDIO SUPPLY GND
OR
OUTPUT
MONO
AUDIO SUPPLY
POWER DOWN
GND
V DEFL.
A7
CONTROL
+3.3V
7560
7200-B
P4
+3.3V
+3.3V
5602
66
5603
61
2567
uC
3557
5604
59
+3.9V
3558
+3.9V
7602
(TO 3606
3611
3606,3633)
8
EEPROM
(NVM)
A6
SYNCHRONISATION
+3.3V (TO 3256)
A7
A12
FRONT CONTROL
+3.3V
4693
+3V3A
A2
LINE DEFLECTION
5445
EHT
FOCUS
MAIN SUPPLY
3487
LOT
5451
VG2
2
2450
VIDEO
0220
3416
6409
SUPPLY
7
3
M_AUX
VLOT AUX +13V
FILAMENT
9
2
to 2419
6467
1
3412
6406
6413
3411
3413
6405
-13V
6
6423
3428
V DEF
3427
VT_SUPPLY
3404
3421
VLOT AUX +5V
H-DRIVE
7407
LINE
TO
OUTPUT
C-6408
B-7409
+8V
6410
8
7408
VLOT AUX +5V
6402
VLOT AUX +13V
5
TO E-7406
3415
+8V
VLOT AUX +5V
NICAM 2CS -
A9
DECODER
7831
AUDIO
VLOT AUX +5V
46
DECODER
5833
+5VA
5832
33
+8V
AUDIO VIDEO
A10
SOURCE SWITCHING
+8V
3801
+6V8
A14
REAR I/O SCART
+8V
B
CRT
VIDEO
EHT
OUTPUTS
ANODE CRT
FOCUS
3336
FOCUS CRT
C-7332
VG2
VG2 CRT
3326
C-7322
0244
160V
3
3316
C-7312
5341
2
TO CRT
FILAMENT
1
3349
3350
A4
TUNER IF
1000
VT_SUPPLY 33V
9
TUNER
6001
BZX79
-/C33
VLOT AUX +5V
5001
6
7
+8V (TO 3008)
A3
FRAME DEFLECTION
7471
-13V
4
FRAME
OUTPUT
VLOT AUX +13V
3
VLOT AUX
POWER SUPPLY
A1
VLOT AUX +13V
TO DEGAUSSING CIRCUIT
VIDEO IF
A5
VLOT AUX +5V
7200-A
(TO 2234)
+8V
39
VIDEO
5202
IF
+8VA
SYNCHRONISATION
A6
+8VA (TO 3248)
7200-D
+8V
5241
SYNC
9
PROC.
A7
CONTROL
+8V (TO 4-0217) NOT USED
+5V (TO 3619)
VLOT AUX
A8
AUDIO AMPLIFIER
+8V (TO 3948, 3950)
+5V (TO 9921)
VLOT AUX
CL 16532008_032.eps
300501
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