Sony PCM-M1 Service Manual ▷ View online
— 47 —
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
—
O
O
O
O
O
O
I
O
I
—
I
O
O
I
O
O
O
I
I
O
O
O
O
O
O
O
I
O
I
O
I
I
I
I
—
O
O
O
I
O
I
I
I
O
O
I
I
Description
Capstan turbo (Power on = for Capstan high speed rotation).
Capstan direction: reverse.
Control motor -.
Control motor +.
Control motor standby.
Headphone power on.
A/D converter STANDBY.
D/A converter standby.
VOL. & AGC EVR, REC current adjustment - D/A converter data.
VOL. & AGC EVR, REC current adjustment - D/A converter clock.
VOLUME EVR chip select.
Audio PB block power control output. (on at “H”).
DA converter de-emphasis SW0.
Analog PLL VCO standby.
DA converter de-emphasis SW1.
Audio record block power control output. (on at “H”).
MIC limiter on.
SBPM input (from CXD2607).
REC current adjust D/A converter data latch output.
AGC EVR chip select output.
MIC/line select SW (low = line).
Headphone plug SW detection.
Line out plug SW detection.
REC mode manual/auto select SW (key input) (low: AUTO).
AVLS SW input.
Limiter SW input.
MIC plug SW input.
AC/DC SW input; BATTERY IN = high.
Thinner tape identification SW input.
REC inhibit recognition SW input.
Cassette existence SW input.
Cassette compartment lock SW input.
Rotary encoder SW input-3.
Rotary encoder SW input-2.
Rotary encoder SW input-1.
Rotary encoder SW input-0.
GND.
Reset input.
GND.
11.2896 MHz clock.
11.2896 MHz clock.
PWM driver standby.
Capstan driver standby.
Drum driver standby.
Drum brake.
CXD2607 (DSP) sub-sync signal input.
CXD2607/NVRAM communication data input.
CXD2607/NVRAM communication data output.
CXD2607/NVRAM communication clock input.
GND.
Pin Name
TURBO
CAPDIR
CMR–
CMR+
CMRSTBY
HPVCNT
XADSTBY
XDASTBY
VOLDT
XVOLCK
XVOLCS
AVCONT
FS0
XVCOSB
FS1
MVCNT
XLIMON
SBPM
DALD
XAGCCS
XLINE
XHPIN
XLPIN
XAUTO
XAVLS
XLIMSW
XMPIN
ACDC
THIN
RECINH
XCASIN
XCASLK
XRE3
XRE2
XRE1
XRE0
GND
XRESET
VSS
XTAL
EXTAL
XPWMSTBY
XCAPSTBY
XDRMSTBY
DRMBR
SBSY
S11
S01
XSCK1
CS0
• IC505 CXP87540-046R
— 48 —
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
I
O
I
—
—
—
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
O
O
I
I
I
—
—
—
O
O
O
O
O
O
O
O
O
O
O
O
Description
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.
Pin Name
SI0
SO0
XSCK0
AVSS
AVREF
AVDD
RFENV
DEW
TEND
SEND
BATT
AGCAD
SCC
ATFPLT
SRLFG
TRLFG
CAPFG
DRMFG
DRMPG
DREF
MUTEM
XFS48
XFS44
XFS32
MCLK
RFDT
XNVCS
NVRST
XTURVO
ATFAGC
CAPPWM
DRMPWM
SYMN
MINT
VDD
VSS
VDD
—
ATSY
XAUSW
XHPMUTE
LMUTE
DMUTE
SWP
ENDLDS
ENDLDT
RLLDS
RLLDT
XSYSREQ
XDSPRST
SECTION 5
EXPLODED VIEWS
Note:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
packing materials are given in the last of this
parts list.
— 49 —
1
A-3320-052-A PANEL ASSY, LOWER
2
3-387-476-01 FOOT, RUBBER
3
3-348-998-81 SCREW (M1.4X2.5)
4
3-704-197-02 SCREW (M1.4X1.6) LOCKING
5
1-475-171-21 PC BOARD UNIT, SYSTEM CONTROL
7
3-375-114-21 SCREW (M1.7X2.5)
8
X-4949-265-1 LID ASSY, CASSETTE
10
3-704-197-31 SCREW (M1.4X3.0), LOCKING
11
4-990-722-01 SPACER
12
3-362-469-01 CUSHION, MD FITTING
13
4-990-742-11 CABINET
14
4-992-335-11 KNOB (OPEN)
15
4-990-735-01 TERMINAL (+,-), BATTERY
16
4-990-734-01 HOLDER, BATTERY TERMINAL
17
4-990-736-01 BRACKET (BATTERY CASE LID)
18
3-704-197-12 SCREW (M1.4X2.0), LOCKING
19
4-990-733-11 LID, BATTERY CASE
20
4-992-334-01 REINFORCEMENT (DC JACK)
21
4-990-723-01 SCREW (M1.4), STEP
22
4-992-333-01 CASE, BATTERY
23
3-704-197-21 SCREW (M1.4X2.5), LOCKING
24
4-992-336-01 TERMINAL (-), BATTERY
25
A-3293-776-A MAIN BOARD ASSY, COMPLETE
26
3-335-797-22 SCREW (M1.4X3), TOOTHED LOCK
* 27
4-990-745-01 BRACKET (JACK)
28
3-335-797-01 SCREW (M1.4X2), TOOTHED LOCK
29
3-704-197-01 SCREW (M1.4X1.6) LOCKING
30
4-990-748-01 ORNAMENT (REC VOL)
31
4-990-744-01 HOLDER (REC VOL)
32
7-627-852-27 +P 1.7X3
33
4-990-747-01 RING, REC (VOL)
34
4-990-746-02 KNOB (REC VOL)
36
3-704-246-01 SCREW (P1.4X1.6)
37
4-963-883-31 SCREW (M1.4), PRECISION PAN
38
4-990-743-11 WINDOW, CASSETTE
39
4-992-967-01 SHEET (COVER)
41
4-992-968-01 SHEET (BUTTON)
42
4-992-969-01 SHEET (DD)
46
4-994-599-01 SHEET (CM)
47
4-994-598-01 SHEET (DC)
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
5-1.
CABINET SECTION
1
2
3
2
4
5
7
8
4
4
37
38
10
11
12
13
14
15
16
18
17
20
22
46
23
24
21
19
4
4
25
26
3
27
28
28
29
36
30
29
32
33
34
31
39
41
42
47
— 50 —
64
55
52
53
54
55
56
55
51
57
57
58
59
60
61
57
57
63
57
62
67
65
66
68
51
X-4948-445-3 BRACKET ASSY, MD
52
3-362-469-01 CUSHION, MD FITTING
53
4-990-722-01 SPACER
54
3-704-197-31 SCREW (M1.4X3.0), LOCKING
55
3-331-047-01 SCREW (M1.4X1.4),SPECIAL HEAD
56
4-992-358-01 SPRING, TENSION
57
3-349-825-01 SCREW
58
1-665-830-11 PC BOARD, MOTOR FLEXIBLE
59
8-719-031-97 DIODE NJL5134KL
60
3-387-566-01 SCREW, STEP
61
X-3373-745-1 HOLDER (CASSETTE) ASSY
62
X-4948-667-1 CHASSIS ASSY
* 63
3-013-472-01 OPENER, LID
64
1-801-766-11 RF MODULE
65
3-330-681-01 SHEET, LUMILER
66
4-992-966-01 SHEET (MD)
67
4-993-509-01 WASHER (CB)
68
4-994-597-01 SHEET (RT)
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
5-2.
CASSETTE HOLDER SECTION
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