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VOLTAGE OF IC & TRANSISTOR
MAIN SECTION
IC301 TA2104AN
(V)
Pin No. 12345678910111213141516
FM 0 0.8 0 4.4 4.7 4.1 4.7 0 0 3.9 0.7 0.7 3.8 4 0.7 1.1
AM 0 0 1 5.2 5.2 4.5 5.2 0 0.2 4.6 0.7 0.7 5.2 5.2 5.2 5.2
Pin No. 17 18 19 20 21 22 23 24
FM 1.3 4.7 4.5 4.7 4.7 4.7 4.7 4.4
AM 5.2 5 5 1.1 1.1 0.7 0.8 0
IC302 TC9257F
(V)
Pin No. 12345678910111213141516
STANDBY 0.24.44.74.704.90.30.30.305.45.50000
POWER ON 2.8 2.8 4.7 4.7 0 0.4 0.4 0.3 5.3 0 5.5 5.5 2.8 0 0 2.7
Pin No. 17 18 19 20
STANDBY 0000
POWER ON 5.4000
IC303 TA8189
(V)
Pin No. 12345678910111213141516
PLAY A 0 0 1.3 2 1.4 1.4 0 0 1.9 1.3 0 0 0.9 0 1.3 1.9
PLAY B 0 0 1.3 2 1.4 1.4 0 0 1.9 1.3 0 0 0.9 0 1.3 1.9
Pin No. 17 18 19 20 21 22 23 24
PLAY A 1.5 5.2 6 1.4 2 1.3 0 0
PLAY B 1.5 5.2 0 1.4 2 1.3 0 0
IC304 TC4052
(V)
Pin No. 12345678910111213141516
Voltage 000000004.84.8000007.7
IC305 TC4052
(V)
Pin No. 12345678910111213141516
Voltage 000000005.55.5000007.7
TC306 PT2256
(V)
Pin No. 12345678910111213141516
STANDBY 0 0.3 0.3 0.3 0.3 5.4 5.3 0 5.3 0.7 0 0.3 0.3 0.3 0.3 5.4
POWER ON 0 3.5 3.5 3.5 3.5 6.4 6.4 0 6.4 7 4 5.5 3.5 3.5 3.5 6.5
IC307 UPC1330NA
(V)
Pin No. 123456789
CASS PLAY 000006.6000
CASS REC 00011.306.8000
Transistors
(Test on cassette Recorder condition)(V)
Q312 733 Q313 945 Q314 945
ECB ECB ECB
7.8 7.6 7 0.7 6 0.3 0 0 0.7
stors
(Test on Cassette "A" under playing condition) (V)
Q315 945 Q316 8050 Q317 945 Q318 945 Q319 8050 Q320 945 Q321 8050
ECB ECB ECB ECB ECB ECB ECB
000.7000000.704.20000000.67.8128.4
Q322 945 Q323 945 Q324 8550 Q325 945 Q326 8050 Q327 8050 Q328 945
ECB ECB ECB ECB ECB ECB ECB
0.6 4.9 1.2 0.6 4.9 1.2 7.8 7.8 7 0 0.1 0.7 7.8 12 8.5 3.5 3.5 0 3.5 3.5 0
Q329 8050 Q330 945 Q331 945 Q332 945 Q333 8050 Q334 8050 Q335 945
ECB ECB ECB ECB ECB ECB ECB
0 4.5 0 0 0 0.7 0 6.4 0 0 6.4 0 5.5 11 6.2 12 12 11 0 0.1 0.7
Q336 945 Q337 945 Q338 945
ECB ECB ECB
0.9 4.1 0.6 0.9 4 1.6 1.7 4.9 2.2