Manual - Pioneer DEH-P4300R Service Manual

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PML008A
3 7 63 1515 0
Sel_out_L 1
2
PV_in_L
3
Tone_out_FL
4
SV_in_FL
Tone_out_RL 5
6
SV_in_RL
7
NC
8
NC
9
AGND_L
10
Front_out_L
Rear_out_L 11
TE
L 13942296513
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
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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
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44 43 42 41 40 39
Isolator
circuit
Rch block (same as Lch)
Source
Gain
adjuster
Primary
volume
Treble Middle
Anti Alias
filter
Anti radiation
filter
Anti radiation
filter
MUTE
Secondary
Zero cross
volume
detect circuit
Secondary
volume
12 13 14 15 16 17
I/O
I
O
O
I
I
I
x ao
y
O
i
O
O
I
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8
38 37 36 35 34
to Rch
from Rch
LPF
(L+R)
Loudness
Bass
volume
Treble2
Bass2
Digital block
18 19 20 21 22
Q Q
3 6 7 1 3
Function and Operation
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
Not used
Connect to GND
Dimmer select output
Key data output
Display data input
Remote control pulse input
Dual Illumination (Green)
Dual Illumination (Amber)
Key data input
u163
Key strobe output
VDD
.
LCD segment output
LCD common output
LCD voltage input
Power supply terminal
DEH-P4300R,P4300RB
2 9 9 4 2 8
33
Sel_out_R
32
PV_in_R
31
Tone_out_FR
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
*PD6294A
1 5 0 5 8 2 9 9 4
80
1
20
21
m
co
9 9
2 8 9 9
61
60
41
40
53