53
MEH-P5350
-
Pin Functions (PD2068A)
Pin No.
Pin Name
I/O
Format
Function and Operation
1
VSS
GND
2
X1
Crystal oscillator connection pin
3
X0
Crystal oscillator connection pin
4
NC
GND
5
VDD
Power supply
6
NC
Not used
7
DIM
O
C
Dimmer output
8
RESET
Reset
9,10
NC
Not used
11
REM
I
Remote control reception input
12,13
NC
Not used
14–17
KDT0-3
I
Key data input
18
VDD
Power supply
19
NC
Not used
20
S0
O
C
System micro computer UART communication data output
21
S1
I
System micro computer UART communication data input
22
NC
Not used
23–78
SEG55-0
O
L
LCD segment output
79–86
COM0-7
O
L
LCD common output
87–92
KST1-6
O
C
Key strobe output
93,94
NC
Not used
95-98
V4-1
LCD drive power supply
99,100
C1,C0
Not used
*PD2068A
30
31
50
51
80
81
100
1
Format
Meaning
C
C MOS
L
LCD C output
DGND
CLK
Vref
NC
MUT
E
STB
DATA
IN4 -_R
IN4+_R
IN3_R
IN1_R
IN2_R
Vcc
IN1_L
IN2_L
IN3_L
IN4+_L
IN4 -_L
12
11
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
30
29
28
27
26
25
24
23
22
21
40
39
38
37
36
35
34
33
32
31
44
43
42
41
Tone_out_RL
SV_in_RL
SV_in_FL
Tone_out_FL
Front_out_L
Rear_out_L
NC
NC
NC
NC
PV_in_R
PV_in_L
Sel_out_R
AGND_L
NC
NC
NC
NC
Tone_out_FR
AGND_R
SV_in_RR
SV_in_FR
Tone_out_RR
Rear_out_R
Front_out_R
Sel_out_L
Isolator
circuit
Digital block
Zero cross
Secondary
volume
MUTE
Secondary
volume
Treble2
Bass2
Anti radiation
filter
Anti radiation
filter
Primary
volume
Anti Alias
filter
Loudness
volume
Bass
Middle
Treble
from Rch
to Rch
LPF
(L+R)
Rch block (same as Lch)
detect circuit
Source
Gain
adjuster
PML008A
Содержание MEH-P5350
Страница 4: ...4 MEH P5350 2 2 EXTERIOR A B ...
Страница 6: ...C D E 6 MEH P5350 2 3 MD MECHANISM MODULE ...
Страница 16: ...KEY MICROCOMPUTER RESET 560 R47 2R7K 16 MEH P5350 1 2 3 4 1 2 3 4 D C B A 3 3 KEYBOARD UNIT B ...
Страница 17: ...B LCD BACK LIGTH B A KEYBOARD UNIT CN831 17 MEH P5350 5 6 7 8 5 6 7 8 D C B A ...
Страница 29: ...29 MEH P5350 5 6 7 8 5 6 7 8 D C B A A SIDE A IC Q FRONT IP BUS REAR OUT ANTENNA FM AM TUNER UNIT C CN301 ...
Страница 30: ...30 MEH P5350 1 2 3 4 1 2 3 4 D C B A A A TUNER AMP UNIT ...
Страница 31: ...31 MEH P5350 5 6 7 8 5 6 7 8 D C B A A SIDE B ...
Страница 33: ...33 MEH P5350 1 2 3 4 1 2 3 4 D C B A A CN831 B B SIDE B KEYBOARD UNIT ...
Страница 34: ...IC Q E E 1 CN991 A 34 MEH P5350 1 2 3 4 1 2 3 4 D C B A 4 3 MD MECHANISM MODULE MD UNIT C C PU UNIT SIDE A ...
Страница 35: ...IC Q D 35 MEH P5350 D C B A 1 2 3 4 1 2 3 4 C MD UNIT C SIDE B ...
Страница 43: ...43 MEH P5350 Grating waveform 45 0 75 60 30 90 Ech Xch 50mV div AC Fch Ych 50mV div AC ...