Sony TC-WE525 - Circuit Diagrams and Pinouts; IC Pin Descriptions and Functions

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5-1. IC PIN DESCRIPTION
• IC801 CXP82220-051Q (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Pin Description
1 A-PLAY I Play switch input (DECK A)
2 POWER IN (CED) I Power-in detection input
3 — — Connected to ground.
4 SIRCS I Sircs signal input
5 — — Connected to ground.
6 RECVOLOUT O Record level control output (PWM)
7 — — Not used in this set.
8 BUSIN I Control A signal input
9 POWER OUT O Power hold output
10 POWER IN (U) I Power-in detection input
11 A-SHUT I Capstan motor rotation detection input (DECK A)
12 A-SHUMIT I Capstan motor rotation detection input (DECK A)
13 CAPM (H/L) O Capstan motor high/normal select output “L”:ON
14 PITCH.CON O Pitch control ON/OFF output “L”:ON
15 — — Not used in this set.
16 BUSOUT O Control A signal output
17 LINE MUTE O Line mute ON/OFF control output “L”:Mute ON
18 LPF O Low pass filter on output
19 RECMUTE O Recording mute output “L”:Mute ON
20 B-BIAS O Bias ON/OFF output (DECK B) “H”:ON
21 NR SW O Dolby selector “H”:C, “Open”:B, “L”:Dolby off
22 B-IV I Metal detection input (DECK B)
23 PB SELECT (A/B) I Playback A/B selector input “L”:A, “H”:B
24 REC/PB O Record/playback dolby NR mode selector output “L”:Playback
25 PBEQ (HIGH/NORM) O PB EQ high/normal select output “L”:Normal
26 NR/MUTE/PASS O Audio selector “H”:Pass, “Open”:Mute, “L”:Dolby
27 AMSOFF/AMS/BS O AMS amp selector “H”:BS, “Open”:AMS, “L”:OFF
28 B-RELAY O Relay record/playback selector output (DECK B) “L”:Record
29 B-SHUT I Capstan motor rotation detection input (DECK B)
30 B-SHUMIT I Capstan motor rotation detection input (DECK B)
31 B-PLAY I Play switch input (DECK B)
32 B-HALF I Half switch input (DECK B)
33 METER (L) I Meter L-CH input (A/D converter)
34 METER (R) I Meter R-CH input (A/D converter)
35 KEY3 I Key 3 input (A/D converter)
36 KEY1 I Key 1 input (A/D converter)
37 KEY2 I Key 2 input (A/D converter)
38 RESET I System reset input
39 XIN I System clock oscillator input (10 MHz)
40 XOUT O System clock oscillator output (10 MHz)
41 VSS — Ground
42 — — Connected to ground.
43 — — Connected to ground.
44 KEY4 I Key 4 input (A/D converter)
45 RECVOL IN I Record volume input (A/D converter)
46 — — Connected to power supply.
47 — — Connected to ground.
48 – 50 — — Not used in this set.
51 ARL (LED) O AUTO LED driver “H”:ON
52 SYNC (LED) O SYNCHRO LED driver “L”:ON
53, 54 — — Not used in this set.
SECTION 5
DIAGRAMS