Pioneer GM-7200M/XU/CN Service Manual - Page 12

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Pioneer GM-7200M/XU/CN Service Manual
1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 SCHEMATIC DIAGRAM(GUIDE PAGE)

A
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
Large size
SCH diagram
A-a
A-a
A-b
A-b
A-a
A-a
A-b
A-b
Guide page
Detailed page
A-a
A-a
A-b
A-b
B
C
D
E
F
A
12
1
2
A-a
NOTE :
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
0dB
+18.5dBs
(BB ON
INPUT MAX)
GM-7200M/XU/UC
2
3
Decimal points for resistor
and capacitor fixed values
are expressed as :
←
2.2
2R2
←
0.022
R022
0dB
0dB
+18.3dBs
+17.5dBs
LPF
-0.8dB
320µH
320µH
3
4
The > mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.
-1.7dB ~
0dB or +12dB
-32.0dB
or +6dB ( or +9dB)
-15dBs
+17.5dBs
-2.6d
15K
GAIN
BASS BOOST
4