Sony TC-WE705S - Diagrams and Schematics; IC Pin Descriptions

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Pin No. Pin Name I/O Pin Description
52 BIAS CAL 1 (B) O EQ bias CAL-1 output for auto calibration. (DECK B)
53 BIAS CAL 2 (B) O EQ bias CAL-2 output for auto calibration. (DECK B)
54 BIAS CAL 3 (B) O EQ bias CAL-3 output for auto calibration. (DECK B)
55 BIAS CAL 0 (A) O EQ bias CAL-0 output for auto calibration. (DECK A)
56 BIAS CAL 1 (A) O EQ bias CAL-1 output for auto calibration. (DECK A)
57 BIAS CAL 2 (A) O EQ bias CAL-2 output for auto calibration. (DECK A)
58 BIAS CAL 3 (A) O EQ bias CAL-3 output for auto calibration. (DECK A)
59 CAP.M (B) O Capstan motor driver output (DECK B) “H” : ON
60 CAP.M (A) O Capstan motor driver output (DECK A) “H” : ON
61 CAP.M H/L O Capstan motor high/normal select output “L” : ON
62 – 77 P16 – P1 O Fluorescent indicator tube segment driver
78 – 85 G1 – G8 O Fluorescent indicator tube grid driver
86 G6,G7 O Fluorescent indicator tube grid driver
87 G7,G8 O Fluorescent indicator tube grid driver
88 VFDP — Fluorescent indicator tube power supply (-28 V)
89 VDD — Power supply (+5 V)
90 N.C — Connected to power supply.
91 VSS — Ground
92 REEL (A) + O Reel motor (+) output (DECK A)
93 REEL (A) - O Reel motor (-) output (DECK A)
94 REEL (B) + O Reel motor (+) output (DECK B)
95 REEL (B) - O Reel motor (-) output (DECK B)
96 BIAS (A) O Bias ON/OFF output (DECK A) “H”:ON
97 RELAY (A) O Relay record/playback selector output (DECK A) “L” : Record
98 BIAS (B) O Bias ON/OFF output (DECK B) “H” : ON
99 RELAY (B) O Relay record/playback selector output (DECK B) “L” : Record
100 S-REEL (A) I Supply reel rotation detection input (DECK A)