53
DEH-P4300R,P4300RB
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
I/O
Function and Operation
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
Not used
I
Connect to GND
O
Dimmer select output
O
Key data output
9
DPDT
I
Display data input
10
REMIN
I
Remote control pulse input
11
GRN
Dual Illumination (Green)
12
AMB
Dual Illumination (Amber)
13–16
KD4–1
I
Key data input
17-22
KST6–1
O
Key strobe output
23
VDD
VDD
24-73
SEG49–0
O
LCD segment output
74–77
COM3–0
O
LCD common output
78
VLCD
I
LCD voltage input
79,80
V2,1
Power supply terminal
*PD6294A
80
1
20
21
40
41
60
61
IC's marked by* are MOS type.
Be careful in handing them because they are very liable
to be damaged by electrostatic induction.
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
