Memory/Clkgen Diagram - Philips IJ6B2W/76 Service Manual

23" tft lcd colour monitor
Table of Contents

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1
2
3
1
2
A
+3.3V
+3.3V
A
1
2
ROMOE
ROMWE
I349
A1
3
4
B
5
6
ROMOE
I348
A1
D0
7
8
D8
A2
A3
I350
D1
9
10
D9
A4
A5
D2
11
12
D10
A6
A7
13
14
D3
D11
A8
B
A9
C
15
16
D4
A10
+3.3V
A11
D12
17
18
D5
A12
A13
D13
19
20
D6
A14
A15
D14
21
22
D7
A16
A17
23
24
D15
A18
A19
25
26
A17
D
+3.3V
A15
27
28
C
A16
A13
29
30
A14
+3.3V
A11
31
32
A12
33
34
A9
A10
35
36
E
A0
I346
37
38
ROMWE
I347
U2
IRP
39
40
41
42
A19
A20_INTO
D
43
44
A8
A18
A6
45
46
A7
F
A4
47
48
A5
A2
49
50
A3
1471
SPRZ-50S2
7473
BC858C
I391
E
3482
I390
G
4K7
1492
1491
68302
SKHHAJ2410
1
2
I387
3486
3
4
I388
H
470R
SKHHAJ2410
F
1493
+5V
1
2
I
SCALER BOARD
J
SB: 58421 x2
PB: 58431
1
2
3
Schematic diagram(Memory)
4
5
6
3
4
5
7471
AT49BV8192AT-12TC
+3.3V
(Flash ROM)
I386
37
VCC
12
RP
47
13
BYTE
NC2
14
NC3
28
G
I370
11
29
D0
W
DQ0
I371
D1
26
31
E
DQ1
I372
D2
33
DQ2
I373
D3
35
DQ3
I351
25
38
I374
D4
A0
DQ4
I375
I352
24
40
D5
A1
DQ5
I376
I353
23
42
D6
A2
DQ6
7472
I377
I354
22
44
D7
A3
DQ7
M24C32-WBN6
I355
I378
21
30
D8
A4
DQ8
1
I356
I379
20
32
D9
A5
DQ9
E0
VCC
I357
I380
D10
19
34
A6
DQ10
I358
I381
D11
18
36
A7
DQ11
2
I359
I382
D12
8
39
A8
DQ12
E1
WC
I360
I383
D13
7
41
A9
DQ13
I384
I361
6
43
D14
A10
DQ14
I385
3
I362
5
45
D15
A11
DQ15A-1
E2
SCL
I363
4
A12
I364
3
9
A13
NC0
I365
4
2
10
A14
NC1
VSS
SDA
I366
1
A15
I367
48
15
A16
RB
I368
17
A17
I369
16
46
NC4
VSS1
27
VSS2
CS0
I436
20
VCC
19
OE2
7480
D0
74LVC541AD
18
Y0
D1
17
Y1
D2
16
+3.3V_S
Y2
D3
15
Y3
D4
14
Y4
D5
13
Y5
3484
I392
7474
D6
12
470R
Y6
3
LM810M3X-2.93
VCC
2
RESET
D7
11
RESET
Y7
GND
1
I389
NMI
3450
I437
POWERLED
10K
3451
I438
SLEEPLED
10K
3
4
5
Ref Des
Reserved
1476-A
rca-jack-2p
69028
1476-B
rca-jack-2p
69028
4
5
6
8
9
7
6
7
3466
AUD_IN_SEL_A
5471
10K
+3.3V
100MHZ
1206
3467
AUD_IN_SEL_B
10K
+3.3V
+3.3V
+3.3V
2
4
8
5
3
7
EEWR
1
6
3475 100R
3470
SCL
I417
AUDIO1_R
100R
5
3476
100R
I419
AUDIO1_L
3471
SDA
100R
3472
AUDIO2_R
100R
I418
+3.3V
3473
AUDIO2_L
I420
100R
1
OE1
2
A0
3
A1
4
A2
I453
5
A3
I454
6
A4
I455
7
I456
A5
I457
8
A6
I458
9
I459
A7
I460
10
GND
+3.3V
I462
+3.3V
7481
I463
BC847C
I439
3452
I450
7482
I451
150R
BC847C
3453
I452
150R
6
7
EXCEPT 1473,1474,1475,1476,1477,1491,1492,1493,7472 WERE CHIP COMPONENTS.
CHN
TYT12-
SETNAME
WUH3 (HPQ-230W Hanel )
CLASS_NO
MEMORY / CLKGEN
IJ6B2W/76
2003-10-24
3
NAME
David Chiang/Edward Chang
SUPERS.
MGr
CHECK
********
DATE
92-09-17
7
8
9
10
11
12
8
9
U2 D1
1471 E1
1472 A2
1473 A9
+3.3V
1474 D9
7483
1475-A B8
BC848C
1475-B C8
1473
1476-A C8
1476-B C8
JFE61186V
+3.3V
A
1477 B8
I421
AUDIO1_R
1
7484
1491 F1
BC848C
1492 F2
AUDIO1_L
I422
2
1493 F2
I423
2471 A4
AUDIO2_R
3
2472 A6
I424
2473 A6
AUDIO2_L
4
2474 E3
2475 E3
5
2480 C4
3468
AUD_SEL_A
150R
I425
6
2481 C4
2482 F8
1477
I426
3469
AUD_SEL_B
7
2483 F9
69020
2484 F9
B
150R
I427
AUDIO_PW
8
2485 E6
2486 E6
I428
1
VOLUME
9
2487 E6
1475-A
2488 E6
I429
2
MUTE_OUT
10
2489 E6
2490 E6
3
11
2491 E7
+18V
2492 E7
4
12
3450 F5
1475-B
3451 F5
5
13
3452 F7
3453 F7
6
14
3454 C6
+5V
C
3455 C7
15
3456 D9
1
1476-A
3457 D9
16
69028
NI
3458 D9
3
3459 E9
1476-B
2
3460 E9
69028
3461 E9
NI
G
4
3462 E9
3463 E9
3464 E9
3465 E9
3466 A8
3467 A8
D
3468 B8
3469 B8
63373
3470 B7
OSD
3456
100R
I440
1
3471 B7
3472 C7
3457 100R
UP
1474
I441
2
3473 C7
3458
100R
3474 B6
DOWN
3
I442
3475 B5
3459 100R
RIGHT
3476 B5
4
I443
3477 B6
3460
100R
LEFT
3478 B6
5
I444
3479 B2
3461
100R
AUTO
3480 A2
I445
6
3481 C1
E
3462
100R
PIP
I446
7
3482 E1
3483 D8
3463 100R
SOURCE
8
I447
3484 E3
3485 E3
3464
100R
DC_KEY
9
I448
3486 F2
I461
3487 F3
3465
+3.3V
I449
10
5471 A6
1K
POWER
7471 A3
11
7472 B5
7473 E2
SLEEP
12
7474 E3
7480 D5
13
7481 F6
F
7482 F6
7483 A8
7484 A8
I346 D1
I347 D2
I348 A1
I349 A2
8
9
3138 158 5732
11
10
130
7
C
KONINKLIJKE PHILIPS ELECTRONICS N.V. 2000
10
11
12
HP L2335
33
Go to cover page
13
I350 B2
I463 F7
I351 A3
I352 B3
A
I353 B3
I354 B3
I355 B3
I356 B3
I357 B3
I358 B3
I359 B3
I360 B3
I361 B3
I362 B3
I363 B3
B
I364 B3
I365 B3
I366 C3
I367 C3
I368 C3
I369 C3
I370 A4
I371 A4
I372 A4
I373 A4
C
I374 A4
I375 B4
I376 B4
I377 B4
I378 B4
I379 B4
I380 B4
I381 B4
I382 B4
I383 B4
D
I384 B4
I385 B4
I386 A4
I387 F1
I388 F1
I389 F3
I390 E2
I391 E2
I392 E3
I417 B8
I418 C8
E
I419 B8
I420 C8
I421 A9
I422 A9
I423 A9
I424 A9
I425 B9
I426 B9
I427 B9
I428 B9
F
I429 B9
I436 C4
I437 F5
I438 F5
I439 F5
I440 D9
I441 D9
I442 D9
I443 E9
I444 E9
G
I445 E9
I446 E9
I447 E9
I448 E9
I449 E9
I450 F5
I451 F6
I452 F6
I453 D8
I454 D8
H
I455 D7
I456 E7
I457 E7
I458 E7
I459 E7
I460 E7
I461 E8
I462 F7
I
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1
J
***
A3
13

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