Philips FW-D596/21M - Power Board

POWER BOARD
TABLE OF CONTENTS
Internal IC Diagram & Voltages List ..................................10-1
Circuit Diagram ..................................................................10-2
PCB Layout........................................................................10-3
Electrical Parts List ............................................................10-4
10-1
10-1
TOP249 INTERNAL IC DIAGRAM
SHUTDOWN/
AUTO-RESTART
PWM
COMPARATOR
CLOCK
SAW
HALF 
FREQ.
CONTROLLED
TURN-ON
GATE DRIVER
CURRENT LIMIT
COMPARATOR
INTERNAL UV
COMPARATOR
INTERNAL
SUPPLY
5.8 V
4.8 V
SOURCE (S)
S
R
Q
D
MAX
STOP
SOFT-
START
-
+
CONTROL (C)
LINE-SENSE (L)
EXTERNAL 
CURRENT LIMIT (X)
FREQUENCY (F)
-
+
5.8 V
1 V
I
FB
R
E
Z
C
V
C
+
-
LEADING
EDGE
BLANKING
÷ 8
1
HYSTERETIC
THERMAL
SHUTDOWN
SHUNT REGULATOR/
ERROR AMPLIFIER
+
-
DRAIN (D)
ON/OFF
SOFT
START
DC
MAX
V
BG
DC
MAX
V
BG 
+ V
T
0
OV/UV
V
I (LIMIT)
CURRENT
LIMIT 
ADJUST
LINE
SENSE
SOFT START
LIGHT LOAD
FREQUENCY
REDUCTION
STOP LOGIC
OSCILLATOR WITH JITTER
VOLTAGE
PIN 1 2 3 PIN 1 2 3 PIN 1 2 3
VOLTAGE -3.8 -28.
2
-12.3
VOLTAGE 5.1 5.7 19.8 VOLTAGE 7.2 27.7 7
PIN 1 2 3 PIN 1 2 3 PIN 1 2 3
VOLTAGE 7.2 27.7 7 VOLTAGE 25.4 27.8 27.2 VOLTAGE-0.6
7
-0.6
7
0
PIN 1 2 3 PIN 1 2 3 PIN 1 2 3
VOLTAGE 0.06 42 0.05 VOLTAGE-32.
2
-41.
9
-32.6
VOLTAGE 43 -26.
8
42.2
PIN 1 2 3 PIN 1 2 3 PIN 1 2 3
VOLTAGE 0.06 0.2 0.74 VOLTAGE
12.1
5
12.1
5
13.35
VOLTAGE 0
1
3.2
5
0
Q9004 (2SC2001) Q9005 (2SA733) Q9006 (2SC945)
Q905 (2SA733) Q905 (2SA733) Q906 (2SC945)
Q9001 (2SC945) Q9002 (2SA733) Q9003 (2SA733)
Q901 (TIP127) Q903 (2N2222A) Q904 (TLP122)
PIN 123456
VOLTAGE 0 40 -1.5 -1.5 0 83
PIN 1 2 3
VOLTAGE 2.4 0 5
PIN 1 2 3
VOLTAGE 12 0 7.9
PIN 1 2 3
VOLTAGE 6.9 0 5
PIN 1 2 3
VOLTAGE 6.9 0 5
IC9003 (BA05T)
IC901 (TOP249)
IC903 (TL431)
IC9001 (L7808)
IC9002 (BA05T)