Sony XR-T200 User manual

MICROFILM
XR-T200
FM/AM CASSETTE CAR STEREO
SERVICE MANUAL
Saudi Arabia Model
Model Name Using Similar Mechanism XR-1750
Tape Transport Mechanism Type MG-52A-135
•XR-T200 are almost same as XR-1750.
Printed wiring boards, schematic diagram, exploded views
andelectricalparts list are described in this service manual.
Please refer to XR-1750 service manual previously issued
for the other informations.
TABLE OF CONTENTS
1. EXPLODED VIEWS................................................ 2
2. DIAGRAMS
2-1. IC Pin Function Description ........................................... 6
2-2. Printed Wiring Boards –MAIN Section– ....................... 8
2-3. Schematic Diagram –MAIN Section–........................... 11
2-4. Printed Wiring Board –CONTROL Section–................ 15
2-5. Schematic Diagram –CONTROL Section–................... 17
3. ELECTRICAL PARTS LIST ............................... 19
SERVICING NOTES
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
ing repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.

– 2 –
NOTE:
•-XX and -X mean standardized parts, so they
may have some difference from the original
one.
•Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑↑
Parts Color Cabinet's Color
•Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
•The mechanical parts with no reference num-
ber in the exploded views are not supplied.
•Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
SECTION 1
EXPLODED VIEWS
(1) CHASSIS SECTION
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
*1 X-3373-606-1 CHASSIS ASSY
*2 3-012-600-01 INSULATOR
*3 A-3313-260-A MAIN BOARD, COMPLETE
4 3-915-923-01 SCREW, GROUND POINT
*5 3-012-565-01 COVER
6 1-777-184-11 CORD (WITH CONNECTOR)
*7 3-012-598-01 BRACKET (IC)
*8 3-012-599-01 HEAT SINK
9 3-937-650-01 PLATE (C), GROUND
10 3-934-325-01 SCREW, +K (5X8) TAPPING
11 3-935-568-01 BRACKET (LOCK)
12 9-911-840-XX CUSHION (U)
*13 3-014-628-01 CHASSIS, FRONT
F901 1-533-330-11 FUSE (BLADE TYPE) (AUTO FUSE) (10A)
5
6
not
supplied
MG-52A-135
4
3
2
10
11
1
13
11
10
#1
#1
Front panel ass'y
12
#1 F901
9
8
7
#2 #2
#2 #
4

– 3 –
(2) FRONT PANEL SECTION
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
51 3-009-301-01 BUTTON (BASS)
53 3-009-299-01 BUTTON (L) (2) (+.–)
55 3-012-576-01 BUTTON (RESET)
56 3-009-300-01 BUTTON (SOURCE)
57 3-009-297-01 BUTTON (L) (r. OFF. + +). .
SEEK AMS. =0–. SEL. MUTE)
58 3-009-308-01 BUTTON (1-3) (6. 1. 2. 3)
59 3-009-309-11 BUTTON (4-6) (4. 5. 6)
60 3-009-313-01 BUTTON (R) (S) (BTM. LCL. r)
61 3-932-205-81 DOOR, CASSETTE
62 3-935-003-01 SPRING, TORSION
*63 3-010-282-01 PLATE (LCD), GROUND
*64 3-012-669-01 SHEET (REFLECTOR)
*65 3-009-302-01 PLATE (LCD), LIGHT GUIDE
*66 3-009-303-02 HOLDER (LCD)
*67 A-3294-317-A CONTROL BOARD, COMPLETE
68 X-3374-314-1 PANEL SUB ASSY
LCD901 1-801-678-11 DISPLAY PANEL, LIQUID CRYSTAL
PL901 1-517-567-11 LAMP, PILOT
PL902 1-517-567-11 LAMP, PILOT
not supplied
#3
#3
PL902
LCD901
PL901
67
66
65
64
63
58
59
60 61
68
51
53
55 56 57
62

– 4 –
(3) MECHANISM DECK SECTION-1
(MG-52A-135)
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
101 3-928-675-01 BELT (52)
*102 3-928-673-01 LEVER (LDG-A)
103 3-928-674-01 LEVER (LDG-B)
104 3-933-341-01 SPRING (LEVER LDG), TENSION
105 3-928-671-01 HOUSING
*106 3-933-347-01 ARM (SUCTION)
107 3-933-340-01 HANGER
108 3-933-346-01 CATCHER
109 3-933-344-01 GUIDE (C)
110 3-341-753-11 WASHER, POLYETHYLENE
111 3-933-335-01 GEAR (LDG-FT)
112 3-928-667-01 GEAR (LDG-A)
M901 A-3291-665-A MOTOR ASSY, MAIN (CAPSTAN/REEL)
106
107
108
109
A
M901
110
111
112
101
102
103
104
105
A
# 6
#7

– 5 –
(4) MECHANISM DECK SECTION-2
(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

– 6 –
2-1. IC PIN FUNCTION DESCRIPTION
•MAIN BOARD IC501 µPD17707GC-528-3B9 (SYSTEM CONTROL)
SECTION 2
DIAGRAMS
1 NIL – Notused(Fixedat“L”)
2, 3 POS3,POS2 I Tapepositiondetectionpin
4, 5 POS0,POS1 I Tapepositiondetectionpin
6 TAPEON O Tapepowersupplycontrolpin
7 CM_ON O Capstanmotorcontrolpin
8 LM_LOD O Loadingmotorcontrolpin(loadigdirection)
9 LM_EJ O Loadingmotorcontrolpin(ejectdirection)
10 TUNON O Tunerpowersupplycontrolpin
11 FM_ON O FMpowersupplycontrolpin
12 PW_ON O Systempowersupplycontrolpin
13 MUTE O Systemmutingcontrolpin Atmuting:“H”
14 VOLCE O Chipenableoutputpintoelectricalvolume
15 VOLCKO O Clockoutputpintoelectricalvolume
16 VOLSO O Dataoutputpintoelectricalvolume
17 AMPON O Poweramppowersupplycontrolpin
18 AMPMUT O Powerampmutingcontrolpin Atmuting:“L”
19 DX_LO O DX/localselectioncontrolpin
20 NC1 – Notused
21 GND – GND
22 DSTSEL I Destinationsettingpin(A/Dinput)(Fixedat“L”)
23 D_BASS I D-BASSswitchinputpin (A/Dinput)
24,25 KEYIN1,KEYIN0 I Keyinputpin(A/D input)
26 RC_IN0 I Rotaryremotecommander input pin(A/Dinput)
27 VSM I FM/AMsignalmetervoltagedetectionpin(A/Dinput)
28 AMIFIN I AM(MW,SW)IF input pin
29 FMIFIN I FM IFinputpin
30 V D D – Powersupply
31 FM_OSC I FMOSCsignalinputpin
32 AM_OSC I AMOSCsignalinputpin
33 GND – GND
34 NC2 – Notused
35 EO1 O Maincharge-pumpoutputpin
36 TEST0 I Testpin
37 SECU-OUT O Notused
38 SEKOUT O SEEKcontrolsignaloutputpin
39 MW_SW O MW/SWpowersupplyselectpin
40 BEEP O Beepsoundoutputpin
41 KEYACK O Keyacknowledgesignalinputpin
42 BU_IN I Backuppowersupplydetectionpin
METALcontrolinput/outputpin
Atinitialmode:auto/manualselectioninputofMETALfunction “L”:manual
43 MTLSEL I/O Atmanualmode:METALon/offoutput “H”:on
Atautomode:input at %ª MTLIN
DOLBYcontrolinput/outputpin
44 DOLON I/O Atinitialmode:valid/invalidselectioninputofDOLBYfunction
Atnormalmode:DOLBYon/offoutput
45 AMSIN I Tapemusicwith/withoutdetectionpin “L”:withmusic
46 ST I/O Stereodetectionsignalinputandforcedmonauralsignaloutputpin
Pin No. Pin Name I/O Function

– 7 –
Pin No. Pin Name I/O Function
47 AMSON O AtAMS:“L”
48 N_ROUT O Forward/reversecontrolpin
49 TAPMUT O Tapemutingcontrolpin Atmuting:“H”
Illuminationpowersupplycontrolpin
50 ILLON O AtPWSEL on:ACCon:“H”
AtPWSELoff:Poweron:“H”
51 SD_IN I Stationdetectionsignalinputpin
52 NOSESW I Frontpanelremovalorattachingdetectionpin
53 TELMUT I Telephonemutingdetection pin “L”:20dBaudio muting
54 REL I Reeltablerotationdetectionpin
55 ACCIN I Accessoryvoltagedetectionpin
56 TESTIN I Testmodesettingpin
57 RC_IN1 I Rotaryremotecommander input pin(A/Dinput)
58 PW_SEL I Powerselectswitchinputpin(Fixedat“H”)
59 MTLIN I AUTOMETALdetectionpin “L”:METAL
60 AD_ON O PowersupplycontrolpinforA/Dconversion
61 KEYSEL I Keyfunctionsettingpin
62 SEKOUTSEL I Activeselectpinfor #•SEKOUT
63 PULL-OUT I Notused
64 LCDCE O LCDchipenableoutputpin
65 LCDCKO O LCDclockoutputpin
66 LCDSO O LCDdataoutputpin
67 LCDINH O LCDbrankindicationcontrolpin
68 CLK-SEL I Notused(Fixedat“L”)
69 NC7 – Notused
70 SECU-SEL I Notused(Fixedat“L”)
71 NC9 – Notused
72 NC10 – Notused
73 NC11 – Notused
74 VREG O CPUreguratoroutputpin
75 GND – GND
76 X_OUT O Systemclockoutputpin(4.5MHz)
77 X_IN I Systemclockinputpin (4.5MHz)
78 CE I Fixedat“H”
79 V D D – Powersupply
80 RESET I Resetinputpin