Sony XR-1790 (serv.man2) Service Manual ▷ View online
25
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(4) MECHANISM DECK SECTION-2
(MG-36SZ9-32)
160
159
158
161
162
163
164
167
168
165
166
157
173
172
155
154
156
153
152
151
171
170
169
#14
#14
#6
#11
#12
#8
HP901
#12
151
3-570-615-02 POLY-WASHER (DIA.1.2)
152
3-392-945-01 ROLLER (A), H.P
153
3-392-942-01 ROLLER (B), H.P
154
3-375-378-01 ARM (R) ASSY, PINCH
155
3-392-958-01 SPRING (R)
* 156
3-392-975-05 PLATE ASSY (S), HEAD
157
3-377-908-01 SHIM (X), ADJUSTOR
158
3-392-956-01 SPRING (A)
159
3-392-943-01 ROLLER, FF
160
3-676-387-00 POLY-SLIDER (DIA.1.6)
* 161
3-392-930-01 RETAINER, SPRING
162
3-392-955-01 SPRING (A)
163
3-375-379-01 SCREW, AZIMUTH
* 164
3-379-142-01 ARM (B), ADJUSTOR
165
3-392-984-02 GUIDE, TAPE
166
3-377-909-02 LINK (X), ADJUSTOR
167
3-392-957-01 SPRING (F)
168
3-375-377-01 ARM (F) ASSY, PINCH
169
3-392-952-01 SPRING
170
3-392-962-01 SPRING
* 171
3-392-919-01 ARM ASSY, F,R SELECTION
172
3-372-244-01 ARM (N), MUTE
* 173
3-397-427-01 COLLAR, MUTE ARM
HP901
1-543-717-11 HEAD, MAGNETIC (PLAYBACK)
26
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(5) MECHANISM DECK SECTION-3
(MG-36SZ9-32)
#13
201
202
219
203
207
216
217
218
220
220
207
216
217
218
206
207
205
208
209
210
211
212
213
214
215
203
203
204
201
3-392-959-01 SPRING
202
3-392-985-02 RATCHET
* 203
4-908-792-11 SCREW (B2)
204
3-392-960-01 SPRING
205
3-392-987-01 GEAR, SELECTOR
206
3-392-990-01 GEAR, DETECTION
207
3-676-387-00 POLY-SLIDER (DIA.1.6)
208
3-392-944-01 COLLAR (SELECTOR GEAR)
209
3-375-131-01 SPRING, GEAR LOCK ARM
210
3-392-989-02 ARM, GEAR LOCK
211
3-392-937-01 GEAR (B)
212
3-570-615-02 POLY-WASHER (DIA.1.2)
213
3-392-915-01 GEAR, IDLE
214
3-392-986-01 ARM, SENSOR
215
3-392-936-01 GEAR (A)
216
3-376-196-01 SPINDLE ASSY (S), REEL
217
3-375-380-01 CAM ASSY, DETECTION
218
3-370-619-01 SPRING, BACK TENSION
* 219
3-392-976-01 BASE ASSY, REEL
220
3-370-618-01 WASHER
27
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(6) MECHANISM DECK SECTION-4
(MG-36SZ9-32)
262
261
264
266
265
267
265
261
263
262
260
255
254
273
253
252
251
271
272
268
269
270
256
257
M901
#13
not supplied
S902
S903
274
251
3-392-967-01 BELT, MAIN
252
3-392-995-02 FLYWHEEL ASSY (BR)
253
3-375-375-02 BELT (C), SUB
254
3-392-918-01 SCREW, EJECT HOOK
255
3-392-938-01 GEAR, PULLY
* 256
3-392-979-01 LEVER, REVERSE
257
3-392-916-01 ARM ASSY, TU GEAR
260
3-318-203-11 SCREW (B1.7X6), TAPPING
261
3-701-437-11 POLY-SLIDER (A)
262
3-590-768-00 RING (A), E
263
3-318-204-81 SCREW (M1.7X3), TAPPING
* 264
3-375-381-01 BRACKET ASSY (X), CM
265
3-392-963-01 SPRING (R)
266
3-318-204-91 SCREW (M1.7X4), TAPPING
267
3-375-376-01 MUTE (PWB) (MUTE SWITCH BOARD)
* 268
3-392-925-01 ARM (A) ASSY, F.R
* 269
3-392-939-01 ARM, FF
* 270
3-392-934-01 ARM (B), F.R
271
3-570-615-02 POLY-WASHER (DIA.1.2)
272
3-392-941-01 PULLEY (A), IDLE
273
3-392-926-02 FLYWHEEL ASSY (BF)
274
3-713-786-51 SCREW +P 2X3
M901
X-3376-273-1 MOTOR ASSY (CAPSTAN/REEL)
S902
1-692-065-11 SWITCH, LEAF (FF/REW)
S903
1-554-790-21 SWITCH, POWER (TAPE DETECT)
28
SECTION 7
ELECTRICAL PARTS LIST
CONTROL MAIN
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
NOTE:
• Due to standardization, replacements in the
parts list may be different from the parts speci-
fied in the diagrams or the components used
on the set.
fied in the diagrams or the components used
on the set.
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• RESISTORS
All resistors are in ohms.
METAL: Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F: nonflammable
METAL: Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F: nonflammable
• Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when order-
ing these items.
Some delay should be anticipated when order-
ing these items.
• SEMICONDUCTORS
In each case, u: µ, for example:
uA. .
uA. .
: µA. .
uPA. . : µPA. .
uPB. . : µPB. .
uPC. . : µPC. .
uPD. . : µPD. .
• CAPACITORS
uF: µF
• COILS
uH: µH
When indicating parts by reference
number, please include the board.
number, please include the board.
*
A-3294-547-A CONTROL BOARD, COMPLETE
*************************
*
3-022-471-01 PLATE (LCD), GROUND
*
3-022-482-01 PLATE (LCD), LIGHT GUIDE
*
3-024-264-01 ILLUMINATOR
< CAPACITOR >
C900
1-163-006-11 CERAMIC CHIP
560PF
10%
50V
C901
1-163-133-00 CERAMIC CHIP
470PF
5%
50V
C902
1-164-005-11 CERAMIC CHIP
0.47uF
25V
C903
1-164-005-11 CERAMIC CHIP
0.47uF
25V
C904
1-164-005-11 CERAMIC CHIP
0.47uF
25V
< CONNECTOR >
CN906
1-764-422-11 PLUG, CONNECTOR 12P
< DIODE >
D4
8-719-988-61 DIODE 1SS355TE-17
D900
8-719-977-03 DIODE DTZ-TT11-5.6B
D901
8-719-158-21 DIODE DTZ6.2B
D902
8-719-158-21 DIODE DTZ6.2B
D903
8-719-158-21 DIODE DTZ6.2B
< IC >
IC900
8-759-544-59 IC LC75842M
< SHORT >
JC136
1-216-296-00 SHORT
0
JC901
1-216-296-00 SHORT
0
JC902
1-216-296-00 SHORT
0
JC903
1-216-296-00 SHORT
0
JC904
1-216-296-00 SHORT
0
JC905
1-216-296-00 SHORT
0
JC906
1-216-296-00 SHORT
0
JC907
1-216-296-00 SHORT
0
JC908
1-216-296-00 SHORT
0
JC909
1-216-296-00 SHORT
0
JC910
1-216-296-00 SHORT
0
JC913
1-216-295-00 SHORT
0
< LIQUID CRYSTAL DISPLAY >
LCD900 1-803-137-11 DISPLAY PANEL, LIQUID CRYSTAL
< PILOT LAMP >
PL900
1-517-534-11 LAMP, PILOT (GREEN)
(LCD BACK LIGHT, ILLUMINATION)
PL901
1-517-534-11 LAMP, PILOT (GREEN)
(LCD BACK LIGHT, ILLUMINATION)
PL902
1-517-534-11 LAMP, PILOT (GREEN) (ILLUMINATION)
PL903
1-517-534-11 LAMP, PILOT (GRREN) (ILLUMINATION)
< RESISTOR >
R900
1-216-091-00 METAL CHIP
56K
5%
1/10W
R901
1-216-053-00 METAL CHIP
1.5K
5%
1/10W
R902
1-208-795-11 METAL CHIP
3.6K
0.5%
1/10W
R903
1-208-795-11 METAL CHIP
3.6K
0.5%
1/10W
R904
1-216-661-11 METAL CHIP
2.7K
0.5%
1/10W
R905
1-208-787-11 RES, CHIP
1.6K
0.5%
1/10W
R906
1-216-097-00 RES, CHIP
100K
5%
1/10W
< SWITCH >
S900
1-692-118-21 SWITCH, KEY BOARD (TUNER, A MEM)
S901
1-692-118-21 SWITCH, KEY BOARD (SEL)
S902
1-692-118-21 SWITCH, KEY BOARD (+)
S903
1-692-118-21 SWITCH, KEY BOARD (–)
S904
1-692-118-21 SWITCH, KEY BOARD (DSPL)
S905
1-692-118-21 SWITCH, KEY BOARD (–, SEEK MANU)
S906
1-692-118-21 SWITCH, KEY BOARD (1, ATA)
S907
1-692-118-21 SWITCH, KEY BOARD (2)
S908
1-692-118-21 SWITCH, KEY BOARD (3)
S909
1-692-118-21 SWITCH, KEY BOARD (4)
S910
1-692-118-21 SWITCH, KEY BOARD (6)
S911
1-692-118-21 SWITCH, KEY BOARD (LOUD)
S912
1-692-118-21 SWITCH, KEY BOARD (5)
S913
1-692-118-21 SWITCH, KEY BOARD (LCL)
S914
1-692-118-21 SWITCH, KEY BOARD (OFF)
S916
1-692-118-21 SWITCH, KEY BOARD (+, SEEK MANU)
**************************************************************
*
A-3317-979-A MAIN BOARD, COMPLETE
*********************
*
3-022-470-01 BRACKET (IC)
*
3-022-477-01 HEAT SINK
7-685-793-09 SCREW +PTT 2.6X8 (S)
7-685-793-09 SCREW +PTT 2.6X8 (S)
Click on the first or last page to see other XR-1790 (serv.man2) service manuals if exist.