Sony SX-M100, Руководство по обслуживанию

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SX-M700 6-7
**********
DC-DC CONVERTER CONTROLLER
-TOP VIEW-
MC34063M
IL00
1
2
3
4
C
E
CT
8
7
6
5
GND
C
IN
SENSE
–
IN
V
CC
(+2.5 to +40V)
8
C
5
7
3
C IN
– IN
SENSE
CT
1
2
E
INPUT
C IN
CT
– IN
SENSE
OUTPUT
C
E
; DRIVE COLLECTOR
; TIMING CAPACITOR
; COMPARATOR INVERTING
; I PEAK SENSE
; SWITCH COLLECTOR
; SWITCH EMITTER
C IN
8
– IN
5
–
+
1.25 V
REFERENCE
REG
Ipk
OSC
S
R
SENSE
7
CT
3
Q
C
1
E
2
–
+
4
V IN
INPUT
CD
V IN
OUTPUT
VO1
VO2
OTHER
FC1–FC2
**********
LOW POWER AUDIO AMPLIFIER
—TOP VIEW—
MC34119-M
IL08
; CHIP DISABLE
; SIGNAL
; SIGNAL (–)
; SIGNAL (+)
; BY–PASS CAPACITOR
CD
OUT
FC2
IN
FC1
IN
V
IN
4
3
2
V IN
FC1
FC2
5
8
1
VO1
VO2
CD
1
2
3
4
8
7
6
5
GND
V
CC
(+2 to +16 V)
VO2
OUT
VO1
OUT
3
FC1
–
+
2
FC2
BIAS
CIRCUIT
1
CD
8
VO2
5
VO1
4.0 K
4.0 K
50 K
125 K
50 K
#2
#1
MC34119P(MOTOROLA)
MC74HC162N(MOTOROLA)
MC74HC4316N(MOTOROLA)
MC34063AP1(MOTOROLA)