Sony XR-T200 Service Manual ▷ View online
– 5 –
(4) MECHANISM DECK SECTION-2
(MG-52A-135)
(MG-52A-135)
151
X-3371-710-1 CHASSIS (S) ASSY
152
3-933-337-01 SPRING (B-T-R), CONE COIL
153
3-701-437-01 POLY-SLIDER (A)
154
3-933-333-01 GEAR (LDG-E)
155
3-933-339-01 SPRING (B-T-F), CONE COIL
156
3-933-345-01 GEAR, REEL
157
3-954-807-01 WASHER
158
1-660-169-21 REEL BOARD
159
3-341-752-11 WASHER, POLYETHYLENE
160
3-933-336-01 SPRING (ARM HANGER), TENSION
161
3-928-669-01 LEVER (PINCH SELECTION)
162
3-928-668-01 LEVER (MODE)
163
3-933-338-01 SCREW (HP), STEP
164
3-927-100-01 SCREW (+PS 2X10), SPECIAL
165
3-928-670-01 SPRING (PINCH PRESS)
* 166
X-3371-712-1 PLATE SUB ASSY, HEAD
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
167
3-364-151-01 WASHER
* 168
X-3371-701-1 CHASSIS (M) SUB ASSY (A)
169
X-3371-707-1 CLUTCH (PLAY) ASSY
170
3-701-437-21 WASHER
171
3-930-932-01 FLYWHEEL (F) (SEF)
172
A-3291-667-A CLUTCH (FR) ASSY
173
3-321-813-01 WASHER, COTTER POLYETHYLENE
174
3-933-343-01 GEAR (REVERSE)
175
3-933-383-01 SEAL (32), REFLECTION
176
X-3371-703-1 LEVER (GEAR) ASSY
177
X-3371-713-2 LEVER (PINCH) ASSY
178
X-3371-706-2 ARM (HANGER) ASSY
HP901
1-500-157-21 HEAD, MAGNETIC (PLAYBACK)
M902
A-3291-664-A MOTOR ASSY, SUB
(LOADING/TAPE OPERATION)
S901
1-692-885-11 SWITCH, ROTARY SLIDE (TAPE OPERATION)
169
175
170
171
172
173
174
176
164
163
165
166
159
167
177
168
162
S901
HP901
151
152
153
156
157
158
157
156
153
154
#6
M902
#6
#8
178
159
177
160
161
B
155
– 11 –
•
Waveform
1
IC501
&¶
4.6 Vp-p
220 ns
– 6 –
2-1.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC501
µPD17707GC-528-3B9 (SYSTEM CONTROL)
SECTION 2
DIAGRAMS
1
NIL
–
Not used (Fixed at “L”)
2, 3
POS3, POS2
I
Tape position detection pin
4, 5
POS0, POS1
I
Tape position detection pin
6
TAPEON
O
Tape power supply control pin
7
CM_ON
O
Capstan motor control pin
8
LM_LOD
O
Loading motor control pin (loadig direction)
9
LM_EJ
O
Loading motor control pin (eject direction)
10
TUNON
O
Tuner power supply control pin
11
FM_ON
O
FM power supply control pin
12
PW_ON
O
System power supply control pin
13
MUTE
O
System muting control pin
At muting: “H”
14
VOLCE
O
Chip enable output pin to electrical volume
15
VOLCKO
O
Clock output pin to electrical volume
16
VOLSO
O
Data output pin to electrical volume
17
AMPON
O
Power amp power supply control pin
18
AMPMUT
O
Power amp muting control pin
At muting: “L”
19
DX_LO
O
DX/local selection control pin
20
NC1
–
Not used
21
GND
–
GND
22
DSTSEL
I
Destination setting pin (A/D input) (Fixed at “L”)
23
D_BASS
I
D-BASS switch input pin (A/D input)
24,25 KEYIN1,KEYIN0
I
Key input pin (A/D input)
26
RC_IN0
I
Rotary remote commander input pin (A/D input)
27
VSM
I
FM/AM signal meter voltage detection pin (A/D input)
28
AMIFIN
I
AM(MW,SW) IF input pin
29
FMIFIN
I
FM IF input pin
30
VDD
–
Power supply
31
FM_OSC
I
FM OSC signal input pin
32
AM_OSC
I
AM OSC signal input pin
33
GND
–
GND
34
NC2
–
Not used
35
EO1
O
Main charge-pump output pin
36
TEST0
I
Test pin
37
SECU-OUT
O
Not used
38
SEKOUT
O
SEEK control signal output pin
39
MW_SW
O
MW/SW power supply select pin
40
BEEP
O
Beep sound output pin
41
KEYACK
O
Key acknowledge signal input pin
42
BU_IN
I
Back up power supply detection pin
METAL control input/output pin
METAL control input/output pin
At initial mode: auto/manual selection input of METAL function
“L”: manual
43
MTLSEL
I/O
At manual mode: METAL on/off output
“H”: on
At auto mode: input at %ª MTLIN
DOLBY control input/output pin
DOLBY control input/output pin
44
DOLON
I/O
At initial mode: valid/invalid selection input of DOLBY function
At normal mode: DOLBY on/off output
At normal mode: DOLBY on/off output
45
AMSIN
I
Tape music with/without detection pin
“L”: with music
46
ST
I/O
Stereo detection signal input and forced monaural signal output pin
Pin No.
Pin Name
I/O
Function
– 7 –
Pin No.
Pin Name
I/O
Function
47
AMSON
O
At AMS: “L”
48
N_ROUT
O
Forward/reverse control pin
49
TAPMUT
O
Tape muting control pin
At muting: “H”
Illumination power supply control pin
50
ILLON
O
At PW SEL on: ACC on: “H”
At PW SEL off: Power on: “H”
At PW SEL off: Power on: “H”
51
SD_IN
I
Station detection signal input pin
52
NOSESW
I
Front panel removal or attaching detection pin
53
TELMUT
I
Telephone muting detection pin
“L”: 20dB audio muting
54
REL
I
Reel table rotation detection pin
55
ACCIN
I
Accessory voltage detection pin
56
TESTIN
I
Test mode setting pin
57
RC_IN1
I
Rotary remote commander input pin (A/D input)
58
PW_SEL
I
Power select switch input pin (Fixed at “H”)
59
MTLIN
I
AUTO METAL detection pin
“L”: METAL
60
AD_ON
O
Power supply control pin for A/D conversion
61
KEYSEL
I
Key function setting pin
62
SEKOUTSEL
I
Active select pin for #• SEKOUT
63
PULL-OUT
I
Not used
64
LCDCE
O
LCD chip enable output pin
65
LCDCKO
O
LCD clock output pin
66
LCDSO
O
LCD data output pin
67
LCDINH
O
LCD brank indication control pin
68
CLK-SEL
I
Not used (Fixed at “L”)
69
NC7
–
Not used
70
SECU-SEL
I
Not used (Fixed at “L”)
71
NC9
–
Not used
72
NC10
–
Not used
73
NC11
–
Not used
74
VREG
O
CPU regurator output pin
75
GND
–
GND
76
X_OUT
O
System clock output pin (4.5 MHz)
77
X_IN
I
System clock input pin (4.5 MHz)
78
CE
I
Fixed at “H”
79
VDD
–
Power supply
80
RESET
I
Reset input pin
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