Block Diagram - Key Control/Power Supply Section - Sony Glasstron PLM-A35 Service Manual
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Also See for Glasstron PLM-A35:
- Operating instructions manual (30 pages) ,
- Operating instructions manual (57 pages)
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4-3.
BLOCK DIAGRAM – KEY CONTROL/POWER SUPPLY Section –
SYSTEM CONTROLLER
S101
(POWER SWITCH)
ON/OFF
21 POWER SW
S102
STRAT/BATT CHECK
15
CHECK CROSS
D104
LED DRIVE
POWER LED
24
POWER
Q101
CN306
2
LANC SIG
3
LANC DC
4
POWRE SW
FOR
CHECK
CN305
1
LANC DC
MOD UNREG
SERVICE LANC
95
LANC IN
2
LANC SIG
INTERFACE
96
LANC OUT
Q304
ON
S301
8
USER LOCK
USER LOCK
OFF
RV301
82
BRIGHT A/D
BRIGHT
05
4-5
IC301
DC IN
DC IN NON
33
DETECT SWITCH
Q303
T101
DC/DC
CONVERTER
D108
L106
RIPPLE
AUDIO CIRCUIT
FILTER
12V
Q203
LCD CONTROL
CIRCUIT
12V
L104
LCD BACK
L109
LIGHT
5V
L102
EEPROM,
L107
VIDEO CIRCUIT
(IC302)
5V
+3.2V
L110
VIDEO CIRCUIT
REGULATOR
3V
Q102
HEADPHONE AMP
L108
L103
(IC201)
2V
DD MAIN
79
BL ON
28
RESET SIGNAL
RESET
6
GENERATOR
IC304
PS301
+5V
BATT IN
31
REGURATOR
IC303
VCC
47
AVCC
90
BACK UP VCC
98
BATT SENCE
85
L101
D102
SWITCHING
F301
REGULATOR
Q102
D101
46
OUT1
VCC2
45
8
–IN1 (C)
VCC1
18
SWITCHING
D103
F302
REGULATOR
Q105
44
OUT2
13
–IN2 (C)
SWITCHING
REGULATOR
Q103
OUT3
40
24
–IN3 (C)
SWITCHING
REGULATOR
Q104
39
OUT4
29
–IN4 (C)
20 CTL1
22 CTL3
21 CTL2
DC/DC CONVERTER
IC101
4-6
PLM-A35
J101
DC IN 9V
+
–
BATTERY
TERMINAL
+
–
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