Toshiba Strata DK 16 Installation And Maintenance Manual page 233
Toshiba digital key telephone systems installation and maintenance manual
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Also See for Strata DK 16:
- User manual (18 pages) ,
- Installation and maintenance manual (609 pages) ,
- Installation instructions manual (584 pages)
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IC5, PIN 42, +5V
TEST POINT (+4.5 ~ +5.5)
QPSU8 POWER SUPPLY
POWER SUPPLY
MOUNTING SCREW
F.G. SCREW FOR
THIRD WIRE GROUND
CONNECTION
HPFB
GROUND WIRE
CN1, AC
POWER CORD
CONNECTOR
POWER SUPPLY
MOUNTING SCREW
FIGURE 2
QPSU8 DC VOLTAGE TEST
(FG) SCREW
DK16 BASE UNIT
MOTHERBOARD
DC OUT (P9)
CONNECTOR
(VOLTAGE
TEST POINTS)
FIGURE 3
KPSU16 DC VOLTAGE TEST
RAM STORAGE
BATTERY
ON OFF
42
QMA
ROM
IC5
DK16 KSU
KPSU 16A POWER SUPPLY
PULL
LOCK
PUSH
UNLOCK
GREEN/YELLOW: 0V
BLACK: 0V
YELLOW: –26.3V ~ –27.8V
RED: +4.5 ~ +5.5
BLUE: –4.5 ~ –5.5
GREEN: 0V
-3-
RAM STORAGE BATTERY JUMPER PLUG
J20-CONNECTOR FOR QSMU
PCB INSTALLATION
CN4
AC
CN3
DC
FG
J19
SW1
BATT
±
AC
DC
DC POWER
FAULT FINDING
SECTION 100-816-500
MARCH 1993
POWER SUPPLY
MOUNTING SCREW
CN4, BATTERY
CONNECTOR PLUG
BATTERY
CONNECTOR
FOR HPFB
DC POWER
ON/OFF SWITCH
AC AND DC
POWER
INDICATOR LEDs
F201, 3 AMP FUSE
YELLOW WIRES:
+26.3V ~ +27,8V
GREEN WIRES:
(FG) OV
RESERVE
BATTERY
CONNECTOR
FOR PBTC CABLE
–24 VOLT
CIRCUIT BREAKER
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