Philips 29PT5445/85 - Block Diagrams and Overviews; Block Diagram

Block Diagrams, Test Point Overviews, and Waveforms
EN 13L03.1U AA 6.
6. Block Diagrams, Test Point Overviews, and Waveforms
Block Diagram
POWER SUPPLY
0212
43
2
1
2
8
9
12
13
3
6
2
5
6
1
3504
CL 36532083_005.eps
101203
F510
I505
F567
F568
I533
I848 I830
I847
I836
0211
0231
MAINS
SWITCH
3543
5562
3544
6522
2528
A1
Degaussing
Coil
t
1515
5520
7580
7520
TEA1506
7200-D
TDA93XX
DRAIN
DRIVER
SENSE
DEMAG
CONTROL
IC
CTRL
Vcc
ENERGIZING
CIRCUIT
(optional)
AC
DC
6504
5500
10
1
2
4
3
1500
T4E
2503
6562
6563
6561
MAIN SUPPLY
-12V
5563
5560
6560
F542
F540
I553
Vaux/Vaudio
PW-ADJ
DVD-SUPPLY
3549
A4
A4
A9
A2
Std_Con
HOT GROUND COLD GROUND
7540, 6540
REFERENCE
CIRCUIT
7541
+3V3B
STANDBY
CIRCUIT
7515
TCET1103
3527
3525
3523
3526
7521
14
11
9
3522
7
D
S
G
F566
I514
6520
3528
7523
3506
5570
6570
(OPTIONAL)
1185 1124
1184 1121
DVD POWER SUPPLY
(optional)
A9
1
3
5
1572
1
4
1571
A1
A3
FRONT I/O
A7
V
L
AUDIO PROCESSING (STEREO + SAP)
(FOR STEREO SETS ONLY)
A5
REAR I/O
A8
MONO
V
L
6
1
4
2
1
3
2
1
3
6
1
4
V
L
L1_IN
R1_IN
R
R
STEREO
F905
AUDIO AMPLIFIER
A6
A4
7901 AN7522N (STEREO)
7902 AN7523N (MONO)
62 L+
L
8
9
VOLUME
1
0280
F906
4L-
F907
10 R-
F908
12 R+
R
4
5
1
2
Vaux/Vaudio
A5 A4
A5
A8
A5
A5
A4
A4
A4
V
L
MONITOR
OUTPUT
YUV
INPUT
AV1
FRAME
LINE
R
L-OUT
SEL_AV1_AV2
SY_CVBS_IN
L1_IN
7841
AN5829S
7821
AN5891K
R1_IN
7161,
7162
CVBS_TER_OUT
7101
R-OUT
V
L
R
G-SC1_IN_Y_IN
B-SC1_IN_U_IN
R-SC1_IN_V_IN
A4
A4
A4
A5
A5
C-IN
L2-IN
R2-IN
V
L
R
4
6
5
1
5
4
32
SVHS
AV2
(OPT.)
STATUS2
MATRIX
SWITCH
10
9
11
A8
A8
A4
A8
R2_IN
24
21
22
3
22
12
15
L_OUT
Main_OutR
Main_OutL
R_OUT
L_OUT
R_OUT
23
2
3
14
19
3842
3843
SDA
SCL
3828
3827
L_OUT
MONO
L2_IN
SWITCH
STEREO
+
SAP
DEMODULATOR
ERR
4
SURR
TONE
ERR
4
18
14
13
7451
3549
EHT
7570
SI2306D
7571
L4978
32
1
3571
VTsupply-A
DVD_SUPPLY
MAINSUPPLY
5571
5572
5575
5574
5573
Vcc
4
1
CONTROL
OUT
5
6571
+12V-DVD
+8V-DVD
DEFLECTION
A2
SYNC.
A4
A1
I461
F461
F422
F449
F448
A2
A1
F425
I462
I462
I468
-12V
7421
BUT11APX
5461
F407
3424
0221
1
2
HOR.
DEFL.
COIL
0222
1
2
VERT.
DEFL.
COIL
5445
1
V
H
7
2
36
FOCUS VG2
EHT
10
EHT
A4
EHT 0
A4
A4
A3
A4
A2
BEAM-
LIMIT
3447
9
33
22
34
21
20
6446
8
5
4
6463
3445
3446
3475
VT_SUPPLY
6447
+160V
-12V
FILAMENT
3448
3459
6452
6451
F446
6444
6466
3443
3444
FRAME OUT
6422 2423
6408
6407
2406
5401 3402
3403
7423
7422
3425
6423
Vaux/Vaudio
FILAMENT
A2
EHT 0
H-DRIVE
Hflybk
H-DRIVE
2nd LOOP
H-SHIFT
V-DRVE
+
GEOMETRY
VIDEO
INTERNAL
EW
+
GEOMETRY
H/V SYNC
SEPERATOR
H-OSC
+PLL
TO MPEG
CARD
(optional)
TO DVD
ENGINE
(optional)
3463
3465
3464
7463
7461
7465
7462
-12V
V-DRIVE -
N.C.
V-DRIVE +
3470
7466
7464
3474
3451
2455
HEADPHONE
A7
L+
L-
R-
R+
L+
L-
R-
R+
F642
F643
5602
36423643
3605
3604
56035601
A3
A1
A5
FRONT CONTROL
A7
CONTROL
A4
+3.3V
WP
36013602
+3V3
+3.3V
F691
57
1621
12MHz
58
1
KEYBOARD
LOCAL
KEYBOARD
CHANNEL + / -
VOLUME + / -
7200-B
TDA93XX
VST
PWM-
DAC
ROM
RAM
CPU
IIC
BUS
I/O
PORTS
11 7
3
2
5
8
6
5
54 61 56
IR
67
LED
11
8
7641
M24C04
EEPROM
(NVM)
SDA
SCL
Pvv_ADJ
7
63
64
ITV_POR
A4
6
ITV_CLOCK
A1
A4
1
Std_Con
A8
STATUS 2
A8
SEL_AV1_AV2
60
A4
POR
(ITV)
A6
4
VOLUME
SDA
N.C.
N.C.
N.C.
SCL
9257
SDAM
1/10
PAGES
MEMORY
TELE
TEXT/CC
+
OSD
CVBS
SYNC
ERR
9
ERR
6
6692
TSOP1836
+3V3
IR
LED
6691

 
 
 
CRT
B1
1300
1
2
3
5
6
7
8
3305
3309
3301
F301
F302
F303
F309
F308
F310
4
R
G
B
R
G
B
CRT
(9P)
25kV
FOCUS
EHT
EHT
VG2
VG2
7
9
3
45 68
7313
7314
R
7317
7318
B
7315
7316
G
0165
AQUADAG
6318
3418
+160V
3313
+160 V
A8
A8
A8
A8
5201
IF, VIDEO
A4
VIF_1
VIF_2
TUNER_AGC
(MONO)
+8V
+8VD
23
38
7202
3203
3205
7201
44
24
27
L1_IN
35
AUDIO CARRIER
FILTER
7200-A
TDA93XX
VIDEO
IF
AGC
VIDEO
PLL
DEMOD.
VIDEO
AMPLIFIER
SOUND
FM-DEMOD.
DE-EMPH.
AUDIO
SWITCH
SOUND
AMPL.
+ AVL
F603
A8
CVBS_TER_OUT
AM_FM_MONO
40
1201
4.5MHz
C-IN
43
SY-CVBS-IN
42
7200-C
TDA93XX
I/O
SWITCHING
Y-DELAY
R-Y
B-Y
U
V
R
G
B
RED
GREEN
BLUE
51
52
53
49
Y
VIDEO
FILTERS
RGB
MATRIX
RGB
INSERT
BLACK
STRETCH
WHITE
STRETCH
RGB
CONTROL
OSD/TEXT/CC
INSERT
BLUE
STRETCH
WHITE-P.
ADJ
VIDEO
IDENT
1622
PAL/NTSC
DECODER
BASE
BAND
DELAY
3620
3619
3621
R_SC1_IN_V_IN
G_SC1_IN_Y_IN
B_SC1_IN_U_IN
FBL_SC1_IN
4746 48
45
50
F604
F605
1
2
3
4
5
6
7
8
OSD
A2
BEAM-LIMIT
A2
FRAME_OUT
+160 V
A2
A2
FILAMENT
F003
1003
SDA
SCL
COMPAIR
CONNECTOR
5002
TV TUNER
3003
SDA
SCL
3004
6001
BZX79-C33
TUNER IF
A3
A4
A4
A2
1000
UV1336
6, 7 9
1
2
1
+5V
VT_SUPPLY_A
VT_SUPPLY
VT
AGC
5
4
IF
2
3
11
1001
ERR
10
9282
DVD EJECT
POWER (NAFTA only)
(NOT FOR
NAFTA)