Specifications
Circuit Diagrams and PWB Layouts
31L03.2U AA 7.
Mono Carrier: IF, Video Processing, Control, and Sync.
H-OSC + PLL
PAL/SEC/NTSC
DECODER
BASE-BAND
DELAY LINE
LUMA DELAY
PEAKING
BLACK STRETCH
AGC CIRCUIT
NARROW BAND
PLL
DEMODULATOR
VIDEO SWITCH
VIDEO IDENT.
VIDEO FILTERS
VISION-IF
ALIGNMT-FREE
PLL DEMOD
AGC/AFC
VIDEO AMP
DEEMPHASIS
AUDIO SWITCH
VOL CONTR
CONTR/BRIGHTN
OSD/TXT INSERT
CCC
WHITE-P ADJ
RGB/YUV INSERT
RGB/YUV MATRIX
SATURATION
YUV/RGB/MATRIX
CPU
I2C-BUS
VST PWM-DAC
I/O PORTS
ROM/RAM
TELETEXT
ACQUISITION
1/10 PAGE
MEMORY
TXT/OSD
DISPLAY
EW GEOMETRY
V-DRIVE +
GEOMETRY
H-DRIVE
2nd LOOP
H-SHIFT
H/V SYNC SEP.
2
G
1
I
3
O
1201 C2
1202 E1
1203 E9
1621 C4
1622 E10
2123 C4
2201 B2
2202 B3
2203 B2
2204 A4
2205 C3
2206 C4
2207 C2
2208 C2
2209 D2
2210 D2
2212 E2
12345678
5482
10u
91011
1234567891011
A
B
C
D
7201
BC847B
E
F
G
H
A
B
C
D
E
F
G
H
5602
5u6
2481 G3
2482 F2
2483 G2
2484 G3
2485 G3
2486 G3
2487 G4
2488 G5
2489 G5
2490 G6
2491 F1
2492 C9
2493 B9
2494 C8
2495 A10
2496 G4
2497 G5
2498 G2
2601 C4
2602 B5
2603 C5
2604 B6
2605 C7
2606 C7
2607 C7
2608 B7
BZX384-C5V6
6492
2612 D8
2615 F7
2616 F8
2641 B11
2642 C10
2643 G2
3201 A3
3202 B3
3203 B4
3204 B2
3205 C3
3206 C3
3207 C3
3208 D2
18K
3481
3209 D2
3210 D2
3211 E1
3231 G7
3232 F7
3479 B8
3480 G5
3481 F3
3483 G4
3485 G5
3486 G5
3487 G6
3488 G4
3489 G6
3490 G4
3491 B7
3492 C7
3493 B8
3494 B9
3495 B9
3496 A10
3497 A10
3498 G3
3499 G3
3601 A5
3602 B5
3603 B5
3604 C5
3605 C5
3606 B5
3607 B6
3618 B5
2607
3619 E7
3620 E8
3621 E7
3624 E9
3634 C8
3641 B11
3642 C10
3643 C11
3644 B11
3645 D9
3646 G2
4491 B9
4606 B4
4661 D9
5201 B2
5482 F2
5601 C7
5602 C7
5603 C7
5604 G9
6481 G3
6491 B9
6492 B10
6624 F9
6625 D10
6626 D8
6627 D8
6628 D8
6681 F8
7200 C3
7201 B3
7202 B4
7491 B7
7493 B9
7494 B10
7496 A8
7601 D9
7641 B10
9200 B4
9410 G5
9476 A10
4491
2210
220n
1n0
2497
2605 100n
9V8
Item
3V3
A4
2V7
5V0
NO
JUMP
NO
NO
330P
33P
3K9
3K3
NO
FIXD 10U
100K
3V3
2202
5861
4865
3867
4N7
820P
STEREO
MONO
A2
A4
3V8
2K7
3861
2206
3201
A7
0V0
2V3
3V8
2V7
A1
0V8
3v4
A3,A5
0V
3V3
4V2
9V6
1V8
5v0
8V3
2V3
A2
8v2
3V3
To 1300
8V3
A5
1V0
0V
2V6
3V3
3V3
0V2
4M5
A1
1N
3V4
A2
2v8
9625
3V8
3V3
4V1
3V3
NVM
3V4
8V3
3V2
0V
1V3
2v5
2V7
SDAM
3V4
A7
A5/A7
3V3
2V4
2V9
2V7
3v9
A3,A5
5v3
7V0
1V3
VIDEO PROCESSING
3V3
A2
4V0
3V3
0V
3V0
0V2
8V3
0V8
5V0
2V0
10R
3V3
10R
1V6
A3
RES
11V5
1V8
3V3
3V3
2v6
0V
A6
6V5
A2
5V6
of CRT PANEL
0V
A3
0V
1V5
3V3
9V0
A2
A3
*
2V4
8v3
0V4
3V9
A2
1V6
A7
0V
2V3
A2
2206 4n7
*
*
V6
9200
2485
1u
BC847B
7202
3634
1K0
10K
3489
3495
33R
2207
100n
L78L33
7493
2
GND
1
IN
3
OUT
3621
4606
470R
10V 470u
2204
1K0
3624
100n
2488
3606 10K
100n
2606
100n
2203
2K2
3602
470R
3619
100n
2208
V3
BC847B
100p
2481
7491
3K3
3490
9
2489
100n
5859 660 616263 6478
48
49
5
50
51
52
53
5455 5657
39
4
40
41
42
43
44
4546 47
3
30
31
32
3334
35
36
37 38 2
202122
23
24
25 26
27 2829 10 11 12
13
14
15
1617
18
19
7200
TDA93XX
1
3603
2K2
6681
BAS316
V11
6626
BAS316
2490
4u7
3485 1K0
3201
2K7
1n0
2642
7601
PDTA114ET
3492
3K3
3605
100R
1622
1
2
3
4
5
3207
390R
2482
3607
100R
1u0
10V470u
2491
3491
56K
3499
27K
2608
1u
1202
1n
2641
1K
3206
3231
560R
BAS316
6624
3497 390R
4u7
5201
1203
100R
3210
2602
33p
3488
100R
3645
100R
3604
1K0
V1
V8
470R
3209
25V220u
2494
3493
V10
2
E1
3
E2
1
NC
6
SCL
5
SDA
8
VCC
4
VSS
7
WC_
7496
BD135
M24C04
7641
680R
3494
2205
10u
12M
1621
2201
4n7
1K0
3203
2604
10u 16V
V9
39K3480
3498
10K
2495
470u 10V
V5
TPS
1201
2487
2n2
4K7
3644
220n
2209
1n0
2496
4661
5u6
5603
4u72483
2u22498
V2
75R
3204
BAV70
6491
3208
470R
220p2643
9476
3643
100R
BAS316
6627
1M
3483
6628
BAS316
3496
10R
100n
V7
2486
4n7
2616
10u 16V
BZX79-C8V2
6625
V4
75R
3211
3232
1K0
2492
22u 25V
2K2
3601
5604
5u6
7494
BC337-25
3486
1K0
2612
220u 16V
470n
2601
5u6
5601
2K2
3618
3479
33K
3487
2202
820p
33p
2603
1n0
2615
2493
470u 10V
3202
100R
BAS316
6481
2212
220n
3205
270R
1M03646
100R
3641
9410
100R
3642
3620
470R
100n2484
1u0
2123
VDrive+
+8V
SCL
SDA
IR
+8V
EHTO
Beam_Limit
+8V
Hflybk
Std_Con
BLK_IN
VDrive-
AM_FM_MONO
+5V
+8V
+8VD
GREEN
RED
BLUE
+3V3
Vaudio
+8V
VOLUME
+3V3
FILAMENT
VTSupply_A
SY_CVBS_IN
+8VD
KEYBOARD
L1_IN
+5V
+3V3A
+3V3
Frame_OUT
VIF_1
VIF_2
TUNER_AGC
HDRIVE
SCL
SDA
+3V3
+8VD
+3V3
REFO
+8V
3139 123 5802.1
E_14560_006.eps
150304
V9
1V / div DC
20µs / div.
V10
1V / div DC
20µs / div.
V11
1V / div DC
20µs / div.
V7
0.5V / div DC
20µs / div.
V8
0,5V / div DC
20µs / div.
V2
0.5V / div DC
5ms / div.