Specifications

28L05U AA 6.
Block Diagrams, Testpoint Overviews, and Waveforms
Supply Lines Overview
POWER SUPPLY
43
2
9
8
4
17
18
14
13
5
3
2
1
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
LINE + FRAME DEFLECTION
A2
1503
5512
7541
ENERGIZING
CIRCUIT
(optional)
10
12
1
2
3
4
+Vaudio
5562
6563 1572
-Vaudio -Vaudio
+Vaudio
+Vaudio
+6V
+6VA
5551 5552
6551
5561
6562
Vbatt
+Vbatt
A4
A4
A5
STDBY_CON
7571
REFERENCE
CIRCUIT
7990
TDA2616Q
AUDIO
OUTPUT
HERCULES
7573
STANDBY
CIRCUIT
7513
TCET1103
Vbatt
VIDEO SUPPLY
VIDEO SUPPLY
FILAMENT
FILAMENT
EW_DRIVE
A5
Stdby_Con
A1
POWER_DOWN
A1
-14V
+12V_LOT
SVM_ROT
+14V
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
6
7
10
6
B1
6453
6467
6456
6452
7
8
9
5
6461
6207
HOT GROUND COLD GROUND
2204
7210
3458
3485
3450
+1.8V_A
+1.8V_B
+3V
+3V
+8V
+6V
+8V
+6V
+Vbutter
+Vbutter
+3.3V
+3.3V
+5V
+5V
+6VA
+3V
+3V (N.C.)
+6V
VT_SUPPLY
RESET +5V
+6V
+6VS
+3V3
+5V
+6VA (To 3445)
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
13
Vbutter
Vbutter
To LED
+6V
To 3-6692
(IR_REC)
+5V
3690 3693
1
1693
1693
5
4
3
2
1
1351
+200V
+12V_LOT
SVM_ROT
SVM_ROT
Vbatt
Vbatt
+12V_LOT
+12V_LOT
+200V
+200V
+200A
3351
TUNER IF
A3
5001
9002
6001
+5V
+5V
To TUNER
Pin 6.7
To TUNER
Pin 9
VT_SUPPLY
-/C33
2X
+3V3
+5V
HD
VT_SUPPLY
VT_SUPPLY
EHTinfo
EHTinfo
3455
15
31
SUPPLY
PRIMARY
SIDE
SUPPLY LINES DIAGRAM
3401
5457
A5
7
6
VDC
3519
VCC
AUXILIARY POWER SUPPLY
6
4
7
8
9
10
5
2
1
3545
3542
3544
A10
5504
12
1
2
3
4
1532
6545
6552
A4
STDBY_CON
7542
REFERENCE
CIRCUIT
7575
STANDBY
CIRCUIT
7516
TCET1103
HOT GROUND COLD GROUND
VDC
3536
7510
SUPPLY
CONTROL
14
7525
11
7
9
VCC
2
6
5527
6546
6544
5526
+6V
+3V
+12VA
+5V
+6VA
7509
B
7544
+3V3
6539
5524
7535
7561
POWER_DOWN
7545
+3VA
+8V
7543
SOURCE SELECT + MICROCONTROLLER
T2
+3V3
5210
V_SAA
+5V
+8V
SVP
T1
+3V3
+5V
+8V
VCC3
5201
VDDC
5202
VCCA3
5203
VADC3
5204
ADC
T3
+3V3A
7211
VAD
5215
VDD
5216
VCC_PLL
5217
SDRAM
T4
VCC3
DEFLECTION CONTROLLER
T5
+8v
F_15050_074.eps
030305