28
A02U AA
6.
Block Diagrams, Testpoint Overview, and Waveforms
Supply Lines Overview
1
1947
6
1940
3941
3904
TUNER
SIM CONN.
A8
AUDIO AMPLIFIER
A6
HEADPHONE
AMPL.
A7
FRONT
A10
FRONT
J
VTUN
9
7.3
5901
6200
-C33
1200
TEDE9
TUNER
SBB
CONNECTOR
B18
1
0203
+5V2
43
40
+5V2
+8V
+5V
+8V
+5VA
+3V3
+8V
1000
STANDBY
STANDBY
+3V3
2x
6x
8x
8x
4x
5x
+5V
+8V
+5V2
1205
5095
5096
5098
45
44
+3V3
OUT
IN
+5VT
+8V
+8VS2
+11V5
+11V
+8VS
+8V
+8V
+11V
+5V
+5V2
5903
+5V
1
+11V5
46
47
36
7910
9970
9972
OUT
IN
7911
L78L05
7912
MC78M05
3907
3910
7001
9909
9980
3
1
1492
+11D
+11D
FILAMENT
PULSES
FILAMENT CRT
LINE
DEFLECTION
PANEL ON CRT
NECK
(IF APPLICABLE)
A3
F
F
+VBATT
SUP-ENABLE
5400
5401
+141V
+5V2
+11D
HOT
COLD
LOT
HOT
COLD
COLD
HOT
COLD
-15V-LOT
+13V-LOT
+13V-LOT
-15V-LOT
EW
LINE
DRIVE
HOT
5430
5
1
5410
7421
3465
6464
6465
3464
3400
3720
3721
3722
3300
3404
3403
LINE
OUTPUT
STAGE
9410
5465
3
3463
3499
6462
3461
12
9
6460
+11D
TO
3450
3451
5441
6400
FOCUS 2
FOCUS 1
EHT
3460
5461
3462
3498
3635
5463
1485
6
FILAMENT
2
7
1424
1424
8
6463
3
1
3
1
FRAME
DEFLECTION
E/W DRIVE
A4
COLD HOT
3449
7620
TDA8177
4
2
+11D
+8Vb
+13V-LOT
+13V-LOT
+8V-S
+141V
-15V-LOT
-15V-LOT
7813
2
7
1
1940
+8V
N.C.
+8V
200V
SCAVEM
6
1
1498
1499
+11D
1
DAF
I
3809
11VDC
1492
3
1
3807
3808
5904
5902
9203
+VBATT
1601
125mA
+11V_ROT
+11V_ROT
1
7680
TDA7052
ROTATING
CIRCUITRY
A5
MAINS SUPPLY
STAND-BY SUPPLY
MAIN SUPPLY
A2
MAINS
SUPPLY
A1B
A1A
B11
A15
A10
A11
A13
A16
A2
A12
A3
A20
+5.2V_MP
DEGAUSSING
6110
6117
6118
6119
3115
3116
+8V6-SWITCH
7133
7130
2126
7131
STP16NE06
STP16NE06
7140
7132
3173
7141
CONTROL
6113
1148
5112
3161
5111
5130
6130
6148
1A25
VTUN
HOT
ADOC
COLD
HOT
6514
3510
3527
3526
2523
2515
COLD
HOT
COLD
1
2
2
1
4
1550
7501
7528
3
DEG.
COIL
1502
6
5
5100
7103 OR
7104
7
8
10
3
6107
5103
6111
3113
6122
+11V_STBY
+11V_ROT
+11V
+5.2V
+5V
+5.2V_MP
+8V6
+8V6
+11V_STBY
6103
6109
-20V
5102
3120
5106
5517
2102
2
1
STANDBY
+VBATT
+VBA
TT
STARTUP
V-START
+375V
SUP-ENABLE
5109
5101
3509
1501
RP
RS
3
2
1
3550
8+
0+
T5AH
V
MAINS
FILTER
ACTIVATING
CIRCUIT
5502
5503
5504
5511
5516
3
2
4
1
1
3
2
3506
7507
TCET1103
3507
3520
VBATT
ADJUSTMENT
3530
7506
TL431CZP
3531
5
3108
3118
GND-STB
GND-STB
GND-STB
5113
4
1
2
D
G
S
A21
+5V-SWITCH
CONTROL
3114
3124
+375V
-20V
-20V
A7
A6
6535
6539
5507
3514
5514
2512
+
GND-AUD
GND-FB
HOT GROUND
GND-SUP
GND-FB
7529
-20V
SUP-ENABLE
6
5506 OR
5512
7502
7530
7504
STP5NB60FP
7
9
10
N.C.
5
4
3
1
+28V
+28V
13-7701
(AUDIO AMPL.)
2542
+
2546
+
V
-ST
AR
T
D
G
S
CONTROL
CIRCUIT
ACTIVATING
CIRCUIT
CONTROL
CIRCUIT
D
7102
7100
7101
7105
7120
STP3NB60
G
S
D
G
S
1147
1A6
A4
A18
A19
A17
A5
5104
7505, 7506, 7503
QUICK
SWITCH
OFF
MAIN SUPPLY
A1
1503
F2.5AH
2516
GND-STB
6525
GBU4J
2
1
3
+
+
-
4
SUP-ENABLE
CRT
FRONT INTERFACE
J
MAINS SWITCH
(not for USA)
1
2
0201
1
2
1505
1
2
3
4
1951
1
2
0202
B11
B5
VDDE
5283
To N23 7300-J (ADOC)
To AF3 7300-J (ADOC)
To P23 7300-J (ADOC)
To F23 7300-J (ADOC)
VIDEO DECODER
VDDCO
5281
5282
5285
B4
To 35 7100-D (MPIF)
To 28 7100-D (MPIF)
To 14 7100-D (MPIF)
+5V
MPIF - SUPPLY
+5V
+8V
5150
5151
5152
B13
To 3, 9 43, 49, 7730
To 1, 14, 27, 7730
CONTROL MEMORY (SDRAM)
VDDE
5731
5730
B11
+5V
CONTROL
+5V
+5V2
+5V2
VDDCO
VDDCO
VDEE
VDDE
B10
To 8 - 7480 (HP AMPL.)
AUDIO PROCESSING
+5V
+8V
+8v
To AD22-7300-B (ADOC)
VDDCO
To AC22-7300-B (ADOC)
VDDE
B12
To 9, 37, 43, - 7790 (RAM)
CONTROL MEMORY (RAM)
VDDE
VDDE
B14
B15
VDDE
VDDCO
B14 ADOC SUPPLY
5600
5601
7650
CS51033YDR8
LOW VOLTAGE SUPPLY-ADOC
M2
INPUT SELECTION
M1
HDMI RECEIVER
M3
SYNC
+5V2
+1V8
+3V3
+1V8
VDDE
VDDCO
5654
5651
+3V3
5659
CONTROL
B1
+5Vd
+5Vb
+5Va
+5V
IF & SAW FILTER
+5V
5135
5134
5102
5112
B3
To 98 7100-A (MPIF)
To 88 7100-A (MPIF)
To 77 7100-A (MPIF)
+5V
AUDIO SOURCE
SELECTION
+5V
3018
3019
3010
3011
B2
To 64 7100-B (MPIF)
To 49 7100-B (MPIF)
+5V
VIDEO SOURCE
SELECTION
+5V
5060
5061
+8Vc
+8Va
+8V
3134
(For PIP D/W Only)
F601
7651
STS5PF30L
F650
F651
5480
5452
5450
B9
3V3
PROTECTION
+3V3
+8V
+8v
To W1-7300-G (ADOC)
VDDE
3388
+8V
+8v
+3V3
+3V3
+5v
To M1-7300-F (ADOC)
VDDCO
5342
B8
To AA4 - 7300-F (ADOC)
To R3 - 7300-F (ADOC)
To N4 - 7300-F (ADOC)
To L2 - 7300-F (ADOC)
To M1 - 7300-F (ADOC)
SYNC & DEFLECTION
VDDE
5345
3340
5344
5343
5342
To L1 - 7300-F (ADOC)
3358
B7
+3V3
RGB PROCESSING
+3V3
+8V
+8v
+5V
+5v
+5V
S
+8V
VIDEO
+8V
VIDEO
+8V
AUDIO
+5V
S
+3V3
+5V
S
To W4-7300-H (ADOC)
VDDE
5300
E_13950_068.eps
120304
9904
5
4
1951
5
4
1951
2
3
3099
3098