Philips L01.1E Service Manual page 21

Block Diagram, Testpoints, I2C and Supply Voltage Overview
2
I C and Supply Voltage Diagram
A1
POWER SUPPLY
5500 :
0231
0211
5502
1500
170 - 250V SINGLE RANGE
90 - 276V FULL RANGE
T4E
MAIN
3532
SWITCH
7520
TEA1507 8
DRAIN 3523
6
DRIVE R
3525
5
SENSE
3
CTRL
3522
4
DEMAG
3528
1
VCC
CONTROL
IC
I2C BUS INTERCONNECTION DIAGRAM
A7
CONTROL
+3.9V +3.9V
ERR
6
3607 3606
C4
7200-B
SDA
3625
SET 72
PROCESSOR
3624
71
PART OF
SCL
VIDEO-
C5
PROCESSOR
5 6
7602
M24C08
EEPROM
68 7
ERR
(NVM)
5
ERR
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
L01.1E
6500
6560
5560 5564
GBU6J
AC 5520
P1 2561
18
2
A
17
2503
DC 3
6562
16
7521
4
15
STP7NB60FP P5
6561 3564
5562
D 14
G 5
S
2564
P2
13
8 N.C.
12 7561, 7562
7564
3526
9
POWER
11
P3 N.C.
DOWN
6520
CIRCUIT
10
2521
3549
3
1
7515
7540, 6540
TCET1103
2
4
REFERENCE
CIRCUIT
7541, 7542
STANDBY
CIRCUIT
HOT GROUND COLD GROUND
A4 A8
TUNER IF AUDIO AMPL.
SDA SDA SDA
SCL SCL SCL
I1 I2
5 4 0267
1
1000
TUNER
2
FOR
3
COMPAIR
ERR
ONLY
10
6. 21
P6
5561
140V MAIN SUPPLY
A5 A8
VIDEO IF AUDIO AMPL.
7901
AUDIO
1
OR OUTPUT
STEREO
3908
12V MAIN AUX 5205
7902
MAIN AUX_FB
AUDIO
5204
1
AUDIO SUPPLY GND
OR OUTPUT
MONO
AUDIO SUPPLY
POWER DOWN
GND-FB
V DEFL.
A7
CONTROL
+3.3V
7200-B
7560
P4
+3.3V 5602
66
5603
2567 61 uC
3557 5604
59
+3.9V
+3.9V
3558
7602
(TO 3606
3607,3633) 3611
8 EEPROM
(NVM)
A
A6 SYNCHRONISATION
3543
+3.3V (TO 3256)
3544
A12 FRONT CONTROL
STBY_CON
+3.3V 4693
+3V3A
A9
NICAM, 2CS,
BTSC DECODER
A9
SDA
SCL
A7 A8
8 7
7831
MSP34X5G
AUDIO
DECODER
ERR
4
A2
LINE DEFLECTION
5445
EHT
FOCUS
LOT
MAIN SUPPLY 3487
5451 VG2
3
2450
VIDEO SUPPLY
0220
3494
6485 200V
5 2
MAIN AUX
VLOT AUX +13V 9420
3
6467 4
5480
7 5
FILAMENT
+13V
3488
6467 VLOT AUX +50V
5
3460
V DEFL. VT_SUPPLY
3493
3455
VLOT AUX +5V
7482
H-DRIVE
LINE
OUTPUT
6488 +8V
8 7480
+8V
VLOT AUX +5V
6486
VLOT AUX +13V
9
(TO 6452,6468,3400,
3442,3453)
VLOT AUX +5V
+8V
BTSC DECODER
A9
7831
NICAM 2CS
AUDIO
VLOT AUX +5V
46
DECODER
5833
+5VA
5832
33
+8V
A10 AUDIO VIDEO
SOURCE SWITCHING
+8V 3801
+6V8
A14 REAR I/O SCART
+8V
B1 B2
CRT SCAVEM
EHT
3362
ANODE CRT
+13Va
FOCUS
FOCUS CRT
VG2
VG2 CRT
+13Va
7330
0244
3340
+200V +200VA
2 6 RGB
DRIVER
2340
3 +13V
4
3341
5
TO CRT
FILAMENT FILAMENT
3342
A4
TUNER IF
1000
9
VT_SUPPLY 33V
TUNER
6001BZX79
-/C33
VLOT AUX +5V 5001
6
7
+8V (TO 3008)
A3
FRAME DEFLECTION
7471
VLOT AUX +50V 5472
6
FRAME
OUTPUT
VLOT AUX +13V
3
VLOT AUX +5V (TO 6470)
POWER SUPPLY
A1
VLOT AUX +13V
TO DEGAUSSING CIRCUIT
TILT & ROTATION
A15
VLOT AUX +13V
VIDEO IF
A5
VLOT AUX
7200-A
+5V (TO 2234)
+8V
39 VIDEO
5202
IF
+8VA
A6 SYNCHRONISATION
+8VA (TO 3248)
7200-D
+8V
5241
9 SYNC
PROC.
A7 CONTROL
+8V (TO 4-0217) NOT USED
VLOT AUX +5V (TO 3619)
A8 AUDIO AMPLIFIER
+8V (TO 3948, 3950)
VLOT AUX +5V (TO 9904)
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