Block Diagrams; Power Section - Sony PCM-R500 Service Manual

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4-1. BLOCK DIAGRAMS

(1) Power Section

FWD PM
1
FPM KICK
DRIVE
Q504, 505
FPM ON 100
Q509, 511
SERVO
PROCESS
IC502 (3/3)
BRAKE PM
BPM KICK 4
DRIVE
Q506-508
3
BPM ON Q510
TE
L 13942296513
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http://www.xiaoyu163.com
-33V
FL701
E
F1, F2
PM902
+6V
FWD
PLUNGER
D505
+2V
D506
PM901
BRAKE
PLUNGER +5V
+12V
+12V
-12V
-12V
+5V (A)
+5V (B)
+5V (C)
+5V (D)
-5V
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– 26 –
http://www.xiaoyu163.com
2 9
8
D503
-33V REG
Q502, 503
D502
+6V REG
IC902
+2V REG
Q501, 901
D501
+5V REG
IC901
+12V REG
IC319
Q Q
D301-304
3 6 7 1 3 1 5
+12V REG
IC301
-12V REG
IC302
-12V REG
IC320
+12V
+5V REG
IC316
+5V REG
IC317
+5V REG
IC318
+5V REG
IC305
-12V
-5V REG
IC306
co
.
9 4 2 8
T901
S901
IL901
POWER ~ AC IN
L
N
0 5 8 2 9 9 4 2 8
m
9 9
E
9 9