Hitachi UT42X902/D8MW Service Manual page 77

D8mw chassis lcd display panel
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Schematic Diagram page
23
/28
AUD+9V
3D
001:D4
R414
1.0k
002:2D
1
2
AudioRSTn
003:2B
003:3D
DAC_MCLK
002:2D
1
R407
0
002:3B
1
2
002:7E
AUD+3.3V
003:2B
003:2D
L401
BLM18BD471SN1D
003:5B
1608
1
2
200mA(Max)
GND1
001:F4
DLY_WS_H
001:F4
DLY_SD_H
001:F5
DLY_SCLK_H
R409
1
HP_MUTN
001:D5
6C
11/5 Not Mount R409
AUD+11V
---
001:D7
003:5B
003:5D
003:6B
AUD+11V
• Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement.
TABLE OF CONTENTS
3
0
R413
1
2
L402
BLM18BD471SN1D
1608
1
2
200mA(Max)
11/6 C403, C404
1u -> 2.2u
C403
1
2
2.2/16
GND1
C404
1
2
2.2/16
1.0k
2
GND1
GND1
AUDIO DAC
AUD+9V
---
R403
R402
R401
1.8k-1%
82k-1%
510k-1%
1
2
1
2
1
2
AUD+9V
C421
1
2
GND1
0.1/16
1005
R431
0
1
2
GND1
4
5
ADR
High 84h
Low
001:D4
R421
002:2D
1
100
2
003:2C
AUD_SDA
R422
001:D4
100
002:2D
1
2
AUD_SCL
003:2C
R419
100
C411
1
2
1
2
2.2/16
R420
100
C412
1
2
1
2
2.2/16
GND1
GND1
HP AMP
Slave Address:80h
2B
76
6
Slave Address
J101
80h
001:D6
001:D5
2C
HP_MUTN
R427
120
1
2
GND1
3
4
6
5
C417
7
8
1
2
100/16
2010
MVK/SKV
R428
120
1
2
3
4
5
6
C418
7
8
1
2
100/16
2010
MVK/SKV
1
2
1
HP_GND
3
2
2SD2704K
Q402
GND1
R438
0
1
2
3
4
6
5
7
8
2010
R437
0
1
2
3
4
5
6
7
8
2010
L403
120
1
2
1608
GND1
HP_GND
7
D8MW
A
11/5 AUD+3.3V -> STB+5V
B
20mA
STB+5V
R433
10k
1
1
2
3
2
R435
2SA1989-T111-1
120
1
Q403
2
3
4
6
5
7
8
HP_L
001:H6
2010
R436
120
1
2
3
4
5
6
7
8
HP_R
001:H6
2010
R429
1.0k
1
2
3
C
2SD2704K
Q401
R430
1.0k
1
2
D
E
F
TERMINAL BOARD SHEET: 004
Headphone output

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