Philips MX6050D Service Manual page 17

ELECTRICAL PARTS LIST - KEY (CONTROL/STANDBY/VOL) BOARD
MISCELLANEOUS
DP2201 9965 000 18031 VFD 100X25MM
LD2201 9965 000 17400 LED 3 DIA RED ROUND
TA2201 4822 276 13648 AI TACT SW
TA2202 4822 276 13648 AI TACT SW
TA2203 4822 276 13648 AI TACT SW
TA2204 4822 276 13648 AI TACT SW
TA2205 4822 276 13648 AI TACT SW
TA2206 4822 276 13648 AI TACT SW
TA2207 4822 276 13648 AI TACT SW
VR2201 9965 000 23589 ENCODER L20 A=12 WITHOUT CC
XL2201 9965 000 23590 CRYSTAL 4MHZ HC-49US +/-15PPM
DIODES
D2201 4822 130 30621 1N4148
D2202 4822 130 30621 1N4148
SN2201 9965 000 23591 IRT RECEIV IRM-2038F4
ZD2201 4822 130 34233 BZX79-B5V1
ZD2202 9965 000 19397 CHIP ZENER 5.6V 5% 0.5W
ZD2203 9965 000 19397 CHIP ZENER 5.6V 5% 0.5W
TRANSISTORS & INTEGRATED CIRCUITS
Q2201 9965 000 14175 2SA733Q,P
Q2202 9965 000 14175 2SA733Q,P
Q2203 9965 000 14175 2SA733Q,P
Q2204 9965 000 20268 XISTR NPN SMT TYPE (2SC1623)
Q2205 9965 000 14175 2SA733Q,P
IC2201 9965 000 23592 IC 18PIN HT48R05A-1 SOP HOLTEK
IC2202 9965 000 23593 IC 52PIN HT16511 QFP HOLTEK
Note : Only the parts mentioned in this list are normal service spare
parts.
5-4
VOLTAGES
IC2201 (HT480051)
PIN 1 2 3 4 5 6 7
VOLTAGE 5.1 5.1 5.1 0 5.1 0 5.1
IC2202 (PT16511)
PIN 1 2 3 4 5 6 7
VOLTAGE 0 0 0 0 3.8 3.8 0 3.8
PIN 21 22 23 24 25 26 27
VOLTAGE -21 -15.6 -13.4 -20 -13.4 -20 -22.4 -18 -20.3 -13.6 -15.8 -11.4 -4.6 -22.6 -20.4
PIN 41 42 43 44 45 46 47 48
VOLTAGE -20.4 -20.4 -20.5 -20.4 4.6 4.6 4.6 4.6
Q2201 (2SA733) Q2202 (2SA733)
PIN 1 2 3 PIN
5 0 5
VOLTAGE VOLTAGE
Q2204 (2SC1623) Q2205 (2SA733)
PIN 1 2 3 PIN
VOLTAGE 4.6 4.2 4.2 VOLTAGE
5-4
8 9 10 11 12 13 14 15 16 17 18
0 0 4.9 4.9 5.2 0 0 0 0 0 0
8 9 10 11 12 13 14 15 16 17 18
3.7 0 0 0 0 0 19.7 -22.2 -22 -11.2 -19.9 -17.8
28 29 30 31 32 33 34 35 36 37 38
-20.4 -20.4 -20.4 -20.4 -20.4
49 50 51 52
0 4.6 0 4.6
Q2203 (2SA733)
1 2 3 PIN 1
5 0 5 5
VOLTAGE
1 2 3
5 0 5
19 20
39 40
2 3
0 5