Philips MRD300/37/78 Service Manual page 22

ELECTRICAL PARTS LIST - TUNER BOARD
MISCELLANEOUS
ANT001 9965 000 17361 RF JACK FEMALE TYPE ID1.44MM
CN002 9965 000 15855 CONNECTOR S2B-XH-A 2P
IF001 9965 000 17368 CER FILTER 10.7 MHZ
IF002 9965 000 15868 CER FILTER 10.7 MHZ
IF003 9965 000 23585 CER FILTER CDA10.7MG-18A
L001 9965 000 23586 SPRING COIL 0.8X4.5DX(1-2)2.5T
L02 9965 000 23587 MOULDED COIL 2.5T 57-89nH
T001 9965 000 22254 AM IFT 455KHZ 180pF
T002 9965 000 22255 AM IFT 455KHZ 180pF
T003 9965 000 22255 AM IFT 455KHZ 180pF
T005 9965 000 22253 OSC COIL AM 120uH (796 KHZ)
T006 9965 000 15874 ANT OSC AM 4-6:10T 1-3:86T
VC001 9965 000 15866 COND TRIM 4.2 - 20 pF N450
VC002 9965 000 15866 COND TRIM 4.2 - 20 pF N450
VR001 9965 000 22264 CNTL TRIMMER 100KR P=5X5MM
XL1 9965 000 23588 CRYSTAL 75KHZ +/-15 PPMCOLUMN
DIODES
D001 4822 130 30621 1N4148
D002 4822 130 30621 1N4148
D003 4822 130 30621 1N4148
D004 9965 000 17375 11.9-12.4V 0.5W
D005 4822 130 30621 1N4148
VD001 4822 130 30621 1N4148
VD002 4822 130 30621 1N4148
VD003 4822 130 81673 1SV149
VD004 4822 130 81673 1SV149
TRANSISTORS & INTEGRATED CIRCUITS
Q001 4822 130 41198 2SC945P
Q002 4822 130 41198 2SC945P
Q003 9965 000 22272 XISTR PNP BF550 SOT23
IC001 9965 000 22265 IC 44PIN TEA5757H QFP44
Note : Only the parts mentioned in this list are normal service spare
parts.
6-5
VOLTAGES
IC101 (TEA5757H)
PIN 1 2 3 4 5 6 7
VOLTAGE(FM)
2.1 0.01 0.01 0.01 0.01 0.01 7.21 4.49
VOLTAGE(AM) 2.1 0.01 0.01 0.01 0.01 0.01 7.45 1.12 1.36 0.58 1.24 0.18 0.77 0.63 0.64 1.01 0.01
PIN 21 22 23 24 25 26 27
VOLTAGE(FM)
1.94 10.9 9.13 1.26 1.92 0.01 0.19 0.52 0.2 0.01 0.01 1.43 0.75 1.43 0.7 1.43 0.62 1.35 1.02 1.34
VOLTAGE(AM) 1.94 10.9 9.13 1.2 1.88 0.01 0.19 0.52 0.2 0.01 0.01 1.43 1.44 1.47 1.42 1.47 1.32 1.35 1.41 1.37
PIN 41 42 43 44
VOLTAGE(FM)
1.35 0.01 0.75 0.15
VOLTAGE(AM) 1.35 0.01 0.75 0.43
Q101 (BF550) Q104 (2SC945)
PIN 1 2 3 PIN
VOLTAGE(FM) 0.01 0.66 0.01 VOLTAGE(FM)
VOLTAGE(AM) 0.01 0.66 0.01 VOLTAGE(AM)
6-5
8 9 10 11 12 13 14 15 16 17 18
1 0.7 1.24 0.83 0.77 0.63 0.64 1.01 0.01 0
0
28 29 30 31 32 33 34 35 36 37 38
Q105 (2SC945)
1 2 3 PIN 1 2 3
0.07 -0.03 1.3 VOLTAGE(FM) 10.12 11.8 10.77
10.17 11.8110.82
0.08 0.01 1.24 VOLTAGE(AM)
19 20
1.15 1.15
1.15 1.15
39 40