Sony Walkman PCM-M1 Service Manual page 34

Pin No. Pin Name I/O
51 SI0 I
52 SO0 O
53 XSCK0 I
54 AVSS —
55 AVREF —
56 AVDD —
57 RFENV I
58 DEW I
59 TEND I
60 SEND I
61 BATT I
62 AGCAD I
63 SCC I
64 ATFPLT I
65 SRLFG I
66 TRLFG I
67 CAPFG I
68 DRMFG I
69 DRMPG I
70 DREF I
71 MUTEM I
72 XFS48 I
73 XFS44 I
74 XFS32 I
75 MCLK I
76 RFDT I
77 XNVCS O
78 NVRST O
79 XTURVO O
80 ATFAGC O
81 CAPPWM O
82 DRMPWM O
83 SYMN I
84 MINT I
85 VDD I
86 VSS —
87 VDD —
88 — —
89 ATSY O
90 XAUSW O
91 XHPMUTE O
92 LMUTE O
93 DMUTE O
94 SWP O
95 ENDLDS O
96 ENDLDT O
97 RLLDS O
98 RLLDT O
99 XSYSREQ O
100 XDSPRST O
System controller communication data input.
System controller communication data output.
System controller communication data clock.
Built-in A/D converter, reference GND.
Built-in A/D converter, reference power supply.
Built-in A/D converter power supply. (connected to VDD).
RF envelope input.
Dew (condensation) sensor input.
Tape-top side end sensor signal input.
Tape-end side end sensor signal input.
Battery voltage input.
Audio signal detection voltage input for AGC.
Pull down.
ATF pilot signal input.
S-side reel FG.
T-side reel FG.
Capstan FG.
Drum FG.
Drum PG.
Drum reference (L = A ch).
CXD2607 (DSP) mute monitor input.
Fs switch input 48 kHz.
Fs switch input 44.1 kHz.
Fs switch input 32 kHz.
Channel clock input.
RF signal.
NVRAM chip select (High output during reset).
NVRAM reset (High output during reset).
Capstan turbo inverted output.
ATF gain control PWM out.
Capstan motor control PWM output.
Drum motor control PWM output.
C1 syndrome monitor input.
Music top signal input after CD-Q decode.
VDD connection.
GND.
VDD.
No connection.
ATF-SYNC (ATFS2) timing signal.
REC mode AUTO select switch (output) (L: AUTO).
Headphone mute output.
Line mute output.
Digital mute output.
SWP output. (L = A ch/H = B ch).
S-reel side end-sensor LED ON.
T-reel side end-sensor LED ON.
S-reel FG sensor LED ON.
T-reel FG sensor LED ON.
System controller communication request output.
CXD2607 (DSP) reset input.
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Description