Philips NTX800 Service Manual page 33

CIRCUIT DIAGRAM - MAIN BOARD&JACK BOARTD
SEGB[00:34]
R11
1K
[1] LCDA_CS
R12
R10
1K
[1]
LCDA_CLK
R9
1K
[1] LCDA_DATA
C6 C5 C4
20P 20P 20P
LCD-VCC
[3]
[2]
3K9 R149
7860_L_OUT
input1800mV
3K9 R147
L101
100MHZ/80R
JK101-A
3 LIN/O 3K9 R74 0R R145
C159
Left
33P
5 L/O
L102
FB100R
4 R/O 1K5
C158
33P
2 RIN/O
Right
R75
1 GND 3K9
HP JACK (PJ30580)
[1]
IN2_4052_B
[1]
IN2_4052_A
[2]
7860_R_OUT
input 1800mV +3db
L104
FB1K
7 AUX-AL
L105
FB1K
6
L106
FB1K
5 AUX-AR
[1,3] U605 pin
A+5V
4
IVB INA OUTPUT
3
[1]
L L 0X 0Y
AUX_4052_A
2
[1] L H 1X 1Y
AUX_4052_B H L 2X 2Y
1
CW810 H H 3X 3Y
7-3
LCD
U1
TM1621(SSOP48)
48
1 SEG7 SEG8
47
2 SEG6 SEG9
46
3 SEG5 SEG10
45
4 SEG4 SEG11
44
5 SEG3 SEG12
43
6 SEG2 SEG13
42
7 SEG1 SEG14
41
8 SEG0 SEG15
40
9 CS SEG16
47K
39
10 RD SEG17
38
11 WR SEG18
37 SEGB19
12 DATA SEG19
SEGB20
36
13 VSS SEG20
SEGB21
35
14 OSCO SEG21
34 SEGB22
R13 15 OSCI SEG22
15K SEGB23
33
16 VLCD SEG23
SEGB24
32
17 VDD SEG24
C3
31 SEGB25
100N 18 IRQ SEG25
SEGB26
30
19 BZ SEG26
SEGB27
29
20 BZA SEG27
COM05 28 SEGB28
21 COM0 SEG28
COM06 SEGB29
27
22 COM1 SEG29
COM07 SEGB30
26
23 COM2 SEG30
COM08 25
24 COM3 SEG31
B CH
750mV
C161 10UF
C176 10UF
R154
ADD C169
C163 10UF
ADD
2K2
10UF
C165 10UF
C40
3K9
10UF R64
ADD
5-12V
VOL-B
HCF4052
10K
U605
2K7
Q105
R153
BC847B C19 R63
10K C170 R155 100N
10UF
R151 10K 3K9 2K2
C173
10UF
R150 10K R152
C177
10K
Q104
BC847B 10UF
3K9 R144 C160 10UF
0R R148 C164 10UF
C171
3K9 R146 C162 10UF
47UF
16V
MODE
USB2
LINK/B
AUX
NA
DISPLAY
SEGA[00:34]
[3]
R405
1K
[1] LCDB_CS
R403
1K
[1]
LCDB_CLK
R404
1K
[1] LCDB_DATA
IR/LCD-VCC
[1] U4
ME6201-3.3V
3 2
VCC2+5V
VIN VOUT
[1] 5-18V
R406 R43
470R 470R
B-LCH
[3]
B-L/CH
[1]
3.9K
[1]
5K6
R29
A_LCH
[1] PT2259_B_DATA
3K9
R31
B-LCH
R83 R683
[3]
2K2 2K2
U608 pin
1E/4E 2E/3E OUTPUT MODE
[1]
PT2259_CLK
H L A-CH A-OUT
L H B-CH B-OUT
[1,3]
H H ON-A/B A/B
A+5V
L L OFF-A/B A/B
B-R/CH
C23
[1]
[3] 10UF
B-RCH R30 3K9
[3] B-RCH
[1,3]
[1] C21
A+5V
R28
5K6
A_RCH
10UF
R82 R684
2K2 2K2
7-3
LCD
U401
TM1621(SSOP48)
48
1 SEG7 SEG8
47
2 SEG6 SEG9
46
3 SEG5 SEG10
45
4 SEG4 SEG11
44
5 SEG3 SEG12
43
6 SEG2 SEG13
42
7 SEG1 SEG14
41
8 SEG0 SEG15
40
9 CS SEG16
R401
47K
39
10 RD SEG17
38
11 WR SEG18
37
12 DATA SEG19
36
13 VSS SEG20
C496 C497 C498
35
20P 20P 20P 14 OSCO SEG21
R402 34
15 OSCI SEG22
15K
33
16 VLCD SEG23
32
17 VDD SEG24
C499
31
100N 18 IRQ SEG25
30
19 BZ SEG26
[3]
29
20 BZA SEG27
COM00 28
21 COM0 SEG28
COM01
27
22 COM1 SEG29
COM02
26
23 COM2 SEG30
COM03 25
24 COM3 SEG31
R81 NC
1K
R79 R80
2 S
1 G
3
D
M2
R87
Q3 1
1K
R78
2 S 1 G
3 BC847B
D M1
3400A
10UF R41
C36 560P C30 100P
C20 10R 10UF C24
10UF
C183 10UF R38
C22 R32 3K9
15K
R37 1K
[1]
A+12V
C29
C28
2
A-IN
100N
47UF
16V A-O
3
A+IN 4
C26
C27
47UF
100N
16V C32 R39
100N 1K
[1]
C175
A-12V
C37 C31 100P
560P
100N
R35
C182
R33 3K9
R34 6 B-IN
1K
10UF
B-O
10UF C25 5 B+IN
[1,3]
10K
R176
A+5V
U2-B
R174 10K C33
D4556
R R36
100N
1K
10K R173
[1] 4066_CON1
10K R175
[1]
4066_CON2
Q106
BC847B
LED LED LED LED LED
LED
R501
1K5 1K8
R504 R507 1K2
330R
680R 1K R510 R512
[1] R514
KEY0
0.14 0.57 1.3
0.33 0.85 1.07
R515
1K8
0.14 0.33 1.07
0.57 0.85
KEY1
R508 R511 R513
[1] R502 R505
1K 1K2
680R 1K5
330R
LED LED
MYS-M4070-TP-4
SEGA19
SEGA20
SEGA21
SEGA22
SEGA23
SEGA24
SEGA25
SEGA26
SEGA27
SEGA28
SEGA29
SEGA30
10K
M+5V
[1,2]
10K R60 1K
2
HP_MUTE
[1]
R58
C14
1K 1UF 50V
U609 pin11 Q7
HP_MUTE MODE
L mute
500mV H hp-out
10V
1
C34 220U
L5
U2-A
3400A FB100R
JK2-A
D4556
LIN/O
3
R59
NC C38
R56
Left
33P 1K
L/O 5
L6
FB100R
R/O 4
C35 C39 R57
M6
33P 1K
3400A
15K 10V
RIN/O
2
220U
FB100R Right
L7
7 GND 1
R62 NC
HP JACK (PJ30580)
LED
2K2 2K7
R516
R518
1.54
8k7=8k2+500R
10K
3K3
R15
1.3 1.54 R521
R519
R517
2K2 2K7
2
USB-REC
1
CN1