Onkyo TA-RW255 - Dual Cassette Deck, Service Manual, Page: 25 / 106

HA12167FB/HA12169FB
3
Pin Description (V
CC
= 14 V, Ta = 25°C, No signal, The value in the show typical
value.)
Pin No.
(QFP-80) Terminal
Name
Zin DC Voltage Equivalent Circuit Description
65 RPI 100 k V
CC
/2 Recording input
76
9 LM IN 100 k Level meter input
52
12 EQ IN 100 k Equalizer input
49
66, 67, 69 VRI 100 k V
CC
/2 + 0.7 V Volume input
72, 74, 75
30, 31 VCC — V
CC
— Power supply
77 REF — V
CC
/2 — Ripple filter
62 NR IN — V
CC
/2 NR processor
input
79
3 SS 1 — V
CC
/2 Spectral skewing
amp input
58
5 CCR — V
CC
/2 Current controlled
resistor output
56
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