Philips VR730/02 Service Manual page 9

Main 1/6 Schematic Diagram
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MODE: SP/REC
PLAY MODE
1 2 3
~ 5.0
5.0 REC MODE
(2.5)
INDICATES THAT THE VOLTAGE
THE SAME VOLTAGE FOR
BOTH PLAY & REC MODES. IS NOT CONSISTENT HERE.
" " = SMD
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Comparison Chart of Models and Marks
MODEL MARK MODEL MARK
VR730/02 L VR732/02 P
VR730/07 M VR732/16 Q
VR730/16 N VR732/39 R
VR730/39 O
IC501 KEY VOLTAGE CHART
KEY 1 (7PIN) KEY 2 (8 PIN)
0.00 ~ 0.51V POWER CH UP
0.51 ~ 0.92V ----------------------- REW
0.92 ~ 1.27V CLEAR PLAY
1.27 ~ 1.61V REC/OTR FF
1.61 ~ 1.98V CH DOWN PAUSE
1.98 ~ 2.39V S-INH -----------------------
2.39 ~ 2.90V ----------------------- STOP/EJECT
2.90 ~ 3.60V ----------------------- -----------------------
3.60 ~ 4.30V ----------------------- -----------------------
4.30 ~ 5.00V KEY OFF KEY OFF
MAIN 1/6 Schematic Diagram Parts Location Guide
Ref No. Position Ref No. Position
CAPACITORS RESISTORS
C501 B-1 R509 E-1
C502 B-1 R510 E-2
C506 D-1 R511 E-2
C508 E-2 R513 F-2
C510 F-2 R514 F-2
C511 E-2 R516 E-2
C512 E-2 R517 E-2
C513 E-2 R518 F-3
C514 E-2 R519 F-3
C515 E-2 R520 E-4
C516 E-2 R521 E-4
C517 E-4 R522 E-4
C518 F-4 R523 C-4
C519 C-3 R524 B-4
C520 B-3 R525 B-3
C521 B-2 R526 B-2
C522 B-2 R527 B-2
C523 B-2 R528 C-1
C524 B-2 R529 A-1
C526 B-2 R530 A-3
C527 B-2 R531 A-3
C529 B-2 R533 B-3
C530 B-2 R534 A-2
C531 C-1 R535 A-2
C535 B-3 R536 A-2
C540 D-4 R537 A-2
C561 C-4 R538 B-2
C851 E-3 R539 B-2
C852 E-3 R540 B-2
C853 E-3 R541 B-1
C854 E-3 R542 A-3
C855 E-3 R543 A-3
C856 E-3 R544 A-3
C858 E-3 R545 A-2
C859 D-4 R546 A-2
C862 E-3 R547 A-3
CONNECTORS R551 E-3
CL501 F-4 R552 E-3
CL502 F-5 R555 C-1
CL504 F-5 R556 C-1
CL505 A-2 R557 C-1
CL508 A-3 R558 C-1
CL509 A-3 R566 D-5
CN506 A-2 R604 E-2
DIODES R605 D-4
D501 E-4 R608 D-4
D502 A-1 R610 D-1
D552 E-3 R612 D-1
D553 E-2 R614 D-1
ICS R615 D-1
IC501 C-2 R851 E-3
IC503 B-3 R852 E-3
IC561 D-5 R853 E-3
COILS SWITCHES
L501 B-1 SW501 A-3
L561 B-4 SW502 A-3
L562 B-4 SW504 A-3
L851 E-3 SW505 A-2
L853 D-4 SW506 E-1
TRANSISTORS SW507 A-2
Q501 E-2 VARIABLE RESISTORS
Q502 B-2 VR501 B-1
Q503 A-3 CRYSTAL OSCILLATORS
Q551 E-3 X501 E-2
Q552 E-2 X502 E-2
RESISTORS MISCELLANEOUS
C622 B-3 FP562 B-5
R501 C-1 PS503 B-3
R502 C-1 RS501 B-2
R503 C-1 TEST POINTS
R504 C-1 TP501 B-2
R505 C-1 TP502 D-1
R506 C-1 TP506 B-2
R507 C-1 TP507 A-2
R508 D-1 TP508 D-1
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