General Information; Parts - Pioneer KEH-P7850 Service Manual

KEH-P7850
QQ
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7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC
PML003AM
VCC IN1_R IN2_R IN3_R IN4+_R
28 27 26
TE
L 13942296513
1 2 3
Vref IN1_L IN2_L IN3_L
PAL005A
Protector
Mute
Amp2
STBY
www
3 4 5 6
1 2
.
38
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IN4-_R AGND
25 24 23 22
Isolator
circuit
Anti radiation
Anti Alias
filter
filter
Primary
Treble
volume
Auto-Zero
Middle
Middle
Primary
Auto-Zero
volume
Treble
Anti Alias
Anti radiation
filter
filter
Isolator
circuit
4 5 6 7
IN4+_L IN4-_L AGND Loud-
Mute
Amp1
7
8 10 11
9 12 13 14
x ao
y
i
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8
Loud- Front- Rear-
out_R SVin_R out_R out_R FIE_R
21 20 19 18
FIE
Fader
volume
Loudness
volume
Zero cross
detect circuit
Bass
Bass
Zero cross
detect circuit
Loudness
volume
Fader
Q Q
3 6 7 1 3
volume
FIE
8 9 10 11
SVin_L Front- Rear-
out_L out_L out_L
Mute
Mute
Amp3
Amp4
15 17 19 20 21
16 18
u163
.
2 9 9 4 2 8
STB DATA
17 16 15
Secondary
volume
Digital block
Secondary
1 5 0 5 8 2 9 9 4
volume
12 13 14
FIE_L DGND CLK
m
23
22 24 25
co
9 9
2 8 9 9