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PML008A
44
43
Sel_out_L
1
Isolator
circuit
PV_in_L
2
3
Tone_out_FL
4
SV_in_FL
Tone_out_RL
5
6
SV_in_RL
7
NC
8
NC
9
AGND_L
10
Secondary
Front_out_L
volume
11
Secondary
Rear_out_L
volume
12
13
IC's marked by* are MOS type.
Be careful in handing them because they are very liable
to be damaged by electrostatic induction.
- Pin Functions (PD6294A)
Pin No.
Pin Name
1
VSS
2
X1
3
X0
4
NC
5,6
MOD1,0
7
DIMMER
8
KYDT
9
DPDT
10
REMIN
11
GRN
12
AMB
13–16
KD4–1
17-22
KST6–1
23
VDD
24-73
SEG49–0
74–77
COM3–0
78
VLCD
79,80
V2,1
42
41
40
39
38
Rch block (same as Lch)
Source
Gain
adjuster
from Rch
Primary
volume
Loudness
Treble
Middle
Bass
volume
Anti Alias
filter
Anti radiation
Treble2
filter
Anti radiation
Bass2
filter
MUTE
Zero cross
Digital block
detect circuit
14
16
17
18
15
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
I
Display data input
I
Remote control pulse input
Dual Illumination (Green)
Dual Illumination (Amber)
I
Key data input
O
Key strobe output
VDD
O
LCD segment output
O
LCD common output
I
LCD voltage input
Power supply terminal
37
36
35
34
33
Sel_out_R
32
PV_in_R
31
Tone_out_FR
to Rch
LPF
(L+R)
30
SV_in_FR
29
Tone_out_RR
28
SV_in_RR
27
NC
26
NC
25
AGND_R
24
Front_out_R
23
Rear_out_R
19
20
21
22
*PD6294A
DEH-3300R,3330R
80
1
20
21
61
60
41
40
53
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