Pioneer GM-X924 Service Manual - Page 8

Schematic Diagram - schematics

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1 2 3 4 GM-X1024,GM-X924 3. SCHEMATIC DIAGRAM A 3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". A-a Large size A-a A-b SCH diagram B -10dBm -7.7dBm -10.2dBm HPF LPF VR501:FREQUENCY S501:LPF/HPF OFF -14.4dB A-a A-b Guide page B A-a A-b Detailed page 2CH/4CH 2CH 4CH ISOLATOR C HPF VR501:FREQUENCY OFF S501:LPF/HPF LPF VR551:FREQUENCY S551:LPF/HPF OFF D C -15.4V +15.4V +15V REGULATOR -42.1V +42.1V -29.0V +29.0V RECTIFICATION DC-AC INVERTER -15V REGULATOR D 8 ABCD 1 2 3 VR551:FREQUENCY OFF S551:LPF/HPF SWITCHING CONTROL 3.9V 3.9V 14.4V 5V 5V 2.4V 2.4V 14.4V 0V 3.8V 1.8V 2.2V 0V GM-X924/X1R/EW, GM-X924/X1R/ES BFC H L 6.5V D903,D904:NSPWF50S(AQ) 4

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8
GM-X1024,GM-X924
A
1
2
3
4
B
C
D
3
4
A-a
A-b
A-a
A-b
A-b
A-a
Large size
SCH diagram
Guide page
Detailed page
3. SCHEMATIC DIAGRAM
3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL
PARTS LIST”.
A
B
C
D
A-a
1
2
OFF
OFF
HPF
LPF
VR501:FREQUENCY
S501:LPF/HPF
VR501:FREQUENCY
S501:LPF/HPF
VR551:FREQUENCY
S551:LPF/HPF
OFF
OFF
VR551:FREQUENCY
S551:LPF/HPF
HPF
LPF
SWITCHING
CONTROL
DC-AC INVERTER
+15V REGULATOR
RECTIFICATION
-15V REGULATOR
ISOLATOR
BFC
H
L
2CH/4CH
2CH
4CH
GM-X924/X1R/EW,
GM-X924/X1R/ES
B
C
D
-7.7dBm
-10.2dBm
-10dBm
-14.4dB
-15.4V
+15.4V
-42.1V
+42.1V
-29.0V
+29.0V
3.9V
3.9V
14.4V
5V
5V
2.4V
2.4V
14.4V
0V
3.8V
1.8V
2.2V
0V
6.5V
D903,D904:NSPWF50S(AQ)