Panasonic PT-44LCX65-K Service Manual page 161

LCD DRIVE III SCHEMATIC DIAGRAM
3
*
LCD CHILD C.B.A.
IC1
C0JBAB000619
(INVERTER)
1 VCC 8 R2499
0
2 7
3 6
C2326
PT
4 GND 5
C1 0.1
TO LD IV 5
3.3V
TP2301
TO LD I, LD II 7 SD_DATA
TO LD I, LD II 8 SD_SCK
R2308
PT TP2302
TP2303
TO LD IV 65 FAN1_SD_CTL
C2302
TP2304
22/6.3V
TP2309
TO LD I 3 ERROR
TP2305
TP2306
TO LD IV 66
FAN1_LOCK_H
TO LD IV 67
FAN2_LOCK_H
TO LD IV 68 FAN3_LOCK_H
TO LD II 63
DIR_Y
(NO CONNECTION) P2301
8
RXD
TXD 7
VPP 6
VDD 5
4
RXD_WRITER
3
TXD_WRITER(W_CLK)
RESET 2
GND 1
TO LD IV 69 LCD_ON_H
TO LD I 6
D_RESET
TO LD I 10
CORRECT_ON_L
TO LD II 62
DIR_X
TO LD II 64 XDIR_X
* 3, * 6: REFER TO LCD DRIVE C.B.A. REPLACEMENT NOTE OF SCHEMATIC
DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES.
6
*
IC2304
C0JBAB000619
(INVERTER)
1 VCC 8
LCD_DRIVE(SYSTEM)
2 7
3 6
4 GND 5
C2327 0.1
IC2302
RESET
C0EBE0000275
GND
(RESET)
1 2 3
L2301
J0JCC0000077
R2328
1K
R2303 100
R2304 100
H2D800400017
16 15 14 13 12
R2305 PT
17 SCL4B/SBT1A/P02
R2306
100 SD_DATA
18
[TXD0A/SB00A/P03]
R2307 100 DS_DATA
19
[RXD0A/SB10A/P04]
SD_CLK
20
[SBT0A/P05]
R2309 PT
21 BUZZER/P06
R2310 PT
22
RMOUTA/TC00A/P10
R2311 100K FAN1_SD_CTL
23
[RMOUTB/TC100B/P11]
R2312 PT
24 TC04A/P12
R2313 PT
25 FAN2_SD_CTL[TC104B/P13]
R2314 100
26 ERROR[TC107/P14]
R2315 PT
27
IRQ0/P20
R2316 PT
28
ACZ/IRQ1/P21
R2317 100 FAN1_LOCK_H
29
0.1 C2305 [IRQ2/P22]
R2318 100
FAN2_LOCK_H
30
0.1 C2306
[IRQ3/P23]
R2319 100
31 FAN3_LOCK_H
0.1 C2307
[IRQ4/P24]
R2320
100
32
DIR_Y
]SB13/P50]
33 34 35 36 37
R2321 100
R2322 100
R2323 100
R2324
100
R2325 100
R2326 100
R2327 100
L2302
J0JCC0000077
8 7 6 5
IC2301
LSEQ0810
C3EBHC000026
(32kbit EEPROM)
1 2 3 4
NOTE: For placing a purchase order of the parts, NOTE: For placing a purchase order of the parts, NOTE: NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
be sure to use the part number listed in the parts list. be sure to use the part number listed in the parts list.
REFER TO BEGINNING OF SCHEMATIC SECTION. REFER TO BEGINNING OF SCHEMATIC SECTION.
Do not use the part number on this diagram. Do not use the part number on this diagram.
Q2301
PT
X2301
8MHz
11 10 9 8 7 6 5 4 3 2 1
THERMO1_IN
C2316 PT
64
[PA2/AN2]
PA1/AN1/DA1 63
15.5ADJ
62
[PA0/AN0/DA0]
VREF-
61
[P80/LED0]17V_IN 60
[P81/LED1]9V_IN 59
IC2303
MN101C77CAA [P82/LED2]SHR_CS 58
LCD
[P83/LED3]SHG_CS
MICROCONTROLLER 57
[P84/LED4]SHB_CS
56
LINK TO I/O CHART
P85/LED5 55
54
P86/LED6
[P87/LED7]JIGU_L 53
FAN3_SD_CTL C2317 PT
52
[P77/TC105]
C2318 PT
P76/TC101
51
C2319 PT
P75/SBT1B 50
C2320
PT
P74/SB11B/RXD1B 49
38 39 40 41 42 43 44 45 46 47 48
161
PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K
NOTE: NOTE:
PARTS MARKED "PT" ARE NOT USED. PARTS MARKED "PT" ARE NOT USED.
5V 1 TO LD IV
TO THERNISTOR1
R2391 22K
P2302 C.B.A.P2811
R2392 PT
R2416 1
THERMO_4
100
TP2307
2 THERMO_3
R2393 PT
TP2308
TO THERNISTOR2
P2303 C.B.A.P2821
1
THERMO_2
R2418 100
2
THERMO_1
R2394
1K
FAN2_SD_CTL 70 TO LD IV
R2408 PT
71 TO LD IV
15.5ADJ
R2409 47K
17V 72 TO LD IV
R2410 27K
TO LD IV
9V 73
R2395
100
TO LD II
SH_CSR 59
R2411 100
TO LD II
SH_CSG 60
R2412 100
TO LD II
SH_CSB 61
R2413 PT
TP2310
R2414 PT
TP2311
R2415 PT
TP2312
R2396 1K
FAN3_SD_CTL 74 TO LD IV
R2397 PT
TP2313
C2323
R2398 PT
22/6.3V
TP2314
R2399
PT
TP2315
R2400
PT
TP2316
R2401 PT
TP2317
R2402
PT
TP2318
R2403 1K
4 TO LD I
TIMER_ON_H
R2404 PT
TP2319
PT
R2405
TP2320
R2406 100
FAN_ON_H 75 TO LD IV
100
R2407
CORRECT_CS TO LD I
9
LINK TO VOLTAGE CHART
LCD DRIVE III SCHEMATIC DIAGRAM
PT-44LCX65-K/PT-52LCX65-K/PT-61LCX65-K
LSJB3159