Sony SLV-L45AR / SLV-L65HFAR / SLV-L75HFAR Service Manual ▷ View online
6-10
2-4. IF CIRCUIT ADJUSTMENT
• In this model, the circuits of the TUNER, IF, and RF
converter have been made into one. Therefore, should
one circuit malfunction, the whole unit must be replaced.
one circuit malfunction, the whole unit must be replaced.
• The adjustments for the IF (RF AGC) circuit of the 3 in 1
tuner are described below.
Note:
The 3 in tuner dose not need any adjustments,
because precise adjustments were down before
shipment.
because precise adjustments were down before
shipment.
3 in 1 Tuner
Rear Panel
3 in 1 Tuner
CP-1 PWB
Assembly
Assembly
Fig. 2-4-1
VR RF AGC
2-4-3. RF AGC ADJ.
1. Connect the monitor TV to the VHF/UHF antenna
output terminal.
2. Connect the VHF or UHF antenna to the VHF/UHF
antenna input terminal.
3. Receive the middle electrical field (70 dB
µ
~90 dB
µ
) of
the VHF or UHF channel, and slowly turn the VR (RF
AGC) from the point where snow-noise is present to the
point where it just disappears from the monitor TV.
AGC) from the point where snow-noise is present to the
point where it just disappears from the monitor TV.
4. Confirm by monitor TV that there is no beat and
saturation (S/N is best point) when receiving any TV
channel.
channel.
Measuring Point
Measuring Equipment
Adj. Condition
Picture of
Monitor TV
E-E mode
monitor TV
Adj. Location
Adj. Value
VR (RF AGC)
S/N is best point
(on the 3 in 1 tuner)
3. TEST POINTS FOR TAPE PATH ADJUSTMENT
Test points TP182 (ENV) and TP183 (SW-P) for tape path adjustment are shown in figure below.
For adjustment, refer to the separate volume “ V95
For adjustment, refer to the separate volume “ V95
Ι
Mechanism Manual ” (MM531433) and “ V95
ΙΙ
Mechanism Manual ” (MS531500).
VP-1 PWB Assembly
TP182
(ENV.)
(ENV.)
TP183
(SW-P)
(SW-P)
Fig. 3-1
E
2-4-1. TEST EQUIPMENT AND STANDARD REQUIRED
Monitor TV
2-4-2. LOCATION OF ADJUSTMENT POINT
7-1
The CP-A board and CP-1 board
are identical.
are identical.
SECTION 7
EXPLODED VIEWS
7-1.CABINET & CHASSIS PARTS
r
Items marked “ * ”are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
seldom required for routine service. Some delay
should be anticipated when ordering these items.
r
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
r
Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts
list.
ing materials are given in the last of this parts
list.
NOTE :
r
-XX, -X mean standardized parts, so they may
have some difference from the original one.
have some difference from the original one.
r
The construction parts of an assembled part are
indicated with a collation number in the remark
column.
indicated with a collation number in the remark
column.
r
The parts marked with a
◊
are special parts for
Argentina and are supplied by SONY ARGEN-
TINA.
TINA.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
–––––––
–––––––
––––––––––
–––––––
–––––––
–––––––
––––––––––
––––––
* 1
◊
A-6788-321-A CABINET ASSY, FRONT (L75HFAR)
* 1
◊
A-6788-328-A CABINET ASSY, FRONT (L65HFAR)
* 1
◊
A-6788-331-A CABINET ASSY, FRONT (L45AR)
2
◊
3-051-096-01 BUTTON (BASE)
3
3-942-768-02 EMBLEM (NO.5), SONY
4
3-965-446-01 SCREW, SPECIAL
* 5
◊
A-6794-549-A CP-A BOARD, COMPLETE (L75HFAR)
* 5
◊
A-6794-557-A CP-A BOARD, COMPLETE (L65HFAR)
* 5
◊
A-6794-564-A CP-A BOARD, COMPLETE (L45AR)
6
1-693-424-11 TUNER (RF/TU/IF)
* 7
◊
A-6794-554-A VP-1 BOARD, COMPLETE (L65HFAR,L75HFAR)
* 7
◊
A-6794-567-A VP-1 BOARD, COMPLETE (L45AR)
* 8
3-970-792-01 BRACKET, TERMINAL (L45AR)
* 8
3-976-269-01 BRACKET, TERMINAL (L65HFAR,L75HFAR)
9
3-740-382-01 +BTS-B S 4X12
10
3-051-087-01 COVER, TOP (L75HFAR)
10
3-051-290-01 COVER, TOP (L45AR)
* 10
3-976-260-01 COVER, TOP (L65HFAR)
11
3-963-641-01 HOLDER (AC INLET)
* 12
3-963-642-01 TOP HOLDER COVER
* 13
3-963-620-01 COVER, BOTTOM
14
3-942-661-01 STAND, FELT
* 15
◊
A-6794-547-A TM-2 BOARD, COMPLETE (L75HFAR)
* 15
◊
A-6794-561-A TM-2 BOARD, COMPLETE (L65HFAR)
* 15
◊
A-6794-569-A TM-2 BOARD, COMPLETE (L45AR)
16
◊
3-051-090-01 BUTTON (2P) (L75HFAR)
16
◊
3-051-293-01 BUTTON (POWER.EJECT) (L45AR)
16
3-974-743-01 BUTTON 2P (POWER EJECT) (L65HFAR)
17
3-947-433-01 WINDOW
18
◊
3-051-089-01 DOOR, CASSETTE (L75HFAR)
18
◊
3-051-287-01 DOOR, CASSETTE (L65HFAR)
18
◊
3-051-292-01 DOOR, CASSETTE (L45AR)
* 19
◊
A-6794-546-A TM-1 BOARD, COMPLETE (L75HFAR)
* 19
◊
A-6794-560-A TM-1 BOARD, COMPLETE (L65HFAR)
* 19
◊
A-6794-568-A TM-1 BOARD, COMPLETE (L45AR)
20
3-960-936-01 SPRING
21
◊
3-051-091-01 BUTTON (PAUSE) (L75HFAR)
21
◊
3-051-294-01 BUTTON (PAUSE) (L45AR)
21
3-974-744-01 BUTTON (PAUSE) (L65HFAR)
22
◊
3-051-092-01 BUTTON (REC) (L75HFAR)
22
◊
3-051-295-01 BUTTON (REC) (L45AR)
22
3-974-745-01 BUTTON (REC) (L65HFAR)
23
◊
3-051-095-01 BUTTON (FF.REW) (L75HFAR)
23
◊
3-051-298-01 BUTTON (FF.REW) (L45AR)
23
◊
3-974-749-01 BUTTON (FF.REW) (L65HFAR)
24
◊
3-051-094-01 BUTTON (PLAY.STOP) (L75HFAR)
24
◊
3-974-748-01 BUTTON (PLAY.STOP) (L65HFAR)
24
◊
3-051-297-01 BUTTON (PLAY.STOP) (L45AR)
25
3-709-128-01 COVER, BATTERY (L45AR,L65HFAR)
26
1-475-752-11 COMMANDER, STANDARD (RMT-V241)
(L75HFAR)
27
1-475-753-11 COMMANDER, STANDARD (RMT-V242)
(L45AR,L65HFAR)
28
3-709-395-01 COVER (V241) (L75HFAR)
#1
#1
#2
#3
#3
#3
#3
14
1
3
17
16
15
18
19
20
21
22
4
5
6
7
#3
4
8
9
10
11
12
13
not supplied
14
9
27
25
26
24
23
2
28
SLV-L45AR/L65HFAR/L75HFAR
7-2
#4
#4
#4
#4
51
52
53
53
54
55
57
59
60
61
62
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
78
79
101
102
102
103
103
104
104
105
106
107
108
109
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
58
80
80
81
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
not supplied
not
supplied
56
110
7-2.MECHANISM PARTS-1
7-3
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
–––––––
–––––––
––––––––––
–––––––
–––––––
–––––––
––––––––––
––––––
51
3-746-760-01 SCREW (2.3X6), SPECIAL
52
1-698-912-11 MOTOR, ROTOR CYL DC 2W
53
3-746-761-01 SCREW (2.3X10), SPECIAL
54
1-698-913-11 MOTOR, STATOR CYL DC 2W
55
3-735-738-01 SPACER, MOTOR
56
3-966-785-01 CYLINDER LWR (L45AR)
56
3-976-272-01 CYLINDER LWR (L65HFAR/L75HFAR)
57
3-966-786-01 CYLINDER UPR (L45AR)
57
3-976-273-01 CYLINDER UPR (L65HFAR/L75HFAR)
58
A-8316-756-A CLUTCH MOUNT BOARD, COMPLETE
59
3-960-915-01 LEVER, DOOR OPENER
60
3-960-954-01 FRAME, UNDER
* 61
3-960-952-01 STAND (L)
62
3-960-939-01 SCREW (2.6X6), SPECIAL
63
3-965-758-01 PAD
* 64
A-6779-276-A MECHANICAL ASSY, CASSETTE
65
3-961-302-01 LEVER, RELEASE
66
3-961-301-01 SPRING, LID OPENER
67
3-961-303-01 SPRING, LOCK TRAY
68
3-960-959-01 GEAR, LOCK
* 69
3-960-916-01 HOLDER, GEAR
70
3-960-960-01 GEAR, PINION
71
3-960-977-01 SPRING, BT
72
3-963-789-01 BAND (ASSY), BRAKE
73
3-961-016-01 LEVER ASSY, BT
74
3-971-997-01 HEAD, FULL ERASE
75
3-960-984-01 SCREW (2.6X10), SPECIAL
76
3-977-067-01 CLEANER (ASSY)
77
A-6779-889-A LEVER ASSY BOARD, COMPLETE
78
3-735-630-01 ROLLER ASSY, GUIDE
79
3-978-528-01 REEL (ASSY), SUPPLY
80
3-735-754-01 WASHER (DIA.3), ADJUSTMENT
81
3-961-038-01 SCREW (2X3), SPECIAL
* 82
3-970-883-01 MOUNT (ASSY), S INC LINE
83
3-963-782-01 REEL (ASSY), TAKE UP
84
3-961-008-01 SLIDE, T ACT BRAKE
85
3-966-763-01 SCREW (2.6X12)
86
A-6779-797-A HEAD ASSY, R/P ACE
87
3-961-015-01 SPRING, CAPSTAN BRAKE
88
3-961-014-01 BRAKE ASSY, CAPSTAN
89
3-961-024-01 LEVER ASSY, PINCH ROLLER
90
3-961-026-01 SPRING, PINCH ROLLER
91
3-973-490-01 MOUNT, LIFT PINCH
92
3-961-027-01 CAM, LIFT PINCH
93
3-961-030-01 SCREW (2.6X16), SPECIAL
94
3-961-029-01 OPENER MOUNT
95
3-961-028-01 GEAR, CAM PINCH
96
3-961-045-01 NUT (3X3), SPECIAL
97
3-961-044-01 SPRING, L GUIDE LEVER
98
3-966-764-01 LEVER ASSY, ROAD
99
3-964-886-01 LEVER (ASSY), ACT L GUIDE
* 100
3-970-884-01 MOUNT (ASSY), T INC LINE
101
3-740-367-01 WASHER, SLIT
102
3-960-951-01 SCREW (2.6X10), SPECIAL
103
3-970-880-01 CATCHER
104
1-810-691-11 PHOTO DIODE PN263L-NC
105
3-960-927-01 GEAR, S REEL
106
3-961-002-01 LEVER, S SOFT
107
3-961-003-01 SPRING, S SOFT
108
3-961-023-01 SPRING, EP SWITCH
109
3-961-022-01 LEVER, EP SWITCH
110
1-810-690-11 LED LN59L
111
1-801-326-11 PHOTO COUPLER SG-105F
112
3-961-305-01 GEAR, FRONT RACK
113
3-961-306-01 GEAR, START RACK
114
3-961-307-01 SPRING, FRONT RACK
115
3-961-021-01 SCREW (2.6X6), SPECIAL
116
3-961-001-01 SPRING, T SOFT
117
3-963-784-01 BRAKE (ASSY), SOFT
118
3-191-422-01 SCREW (2.6X5.5), SPECIAL
119
3-948-603-01 WASHER, SPECIAL
120
3-960-926-01 PULLEY, REEL
121
3-960-928-01 GEAR, T REEL
122
3-963-786-01 BRAKE (ASSY), T
123
3-966-765-01 SPRING, BRAKE
124
3-963-785-01 BRAKE (ASSY), S
125
3-960-925-01 SCREW (2.6X4), SPECIAL
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