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6-3
6-4 E
2-4.
AUDIO SYSTEM ADJUSTMENTS
• Adjust both Lch and Rch.
[Connection]
Fig. 6-2-4.
2-4-1.
Hi-Fi Audio System Adjustment
(SLV-GF85/GF86)
(SLV-GF85/GF86)
• Set switches and knobs to the following positions to make ad-
justment unless otherwise specified.
AUDIO MONITOR .......................... STEREO
AUDIO MONITOR .......................... STEREO
1.
AF Switching Position Adjustment (MA-366 Board)
Purpose:
Adjust the interval between A ch and B ch of tape playback out-
put. Improve the interchangeability with other tapes and sets.
When it is out of order, noisy sound is increased and big noise is
heard.
Adjust the interval between A ch and B ch of tape playback out-
put. Improve the interchangeability with other tapes and sets.
When it is out of order, noisy sound is increased and big noise is
heard.
Mode
PB
Signal
Alignment tape SP mode color
bar
Measurement point
CH1: Pin 3 of CN202
CH2: Pin 1 of CN202
CH2: Pin 1 of CN202
Measuring Instrument
Oscilloscope
Adjusting Element
RV102
Specified Value
Fig. 6-2-5
Adjusting Method:
1) Connect MA-366 board JS401 to the GND for about 1 second
1) Connect MA-366 board JS401 to the GND for about 1 second
to activate the RF switching position adjustment mode.
2) Check that D403 and D405 mutually flash on and off quickly.
3) Adjust RV102 to minimize a chipped portion.
3) Adjust RV102 to minimize a chipped portion.
At the time, confirm that a noisy sound is not heard.
Audio
generator
generator
Attenuator
600
Ω
47 k
Ω
VCR
Audio level meter or
distortion meter
AUDIO LINE OUT
AUDIO LINE IN
Feed signal both
channelssimultaneously.
Feed signal both
channelssimultaneously.
CH2
CH1
RF SWP
RF SWP
OK
NG
Fig. 6-2-5.
2-4-2.
Normal Audio System Adjustment
• Make adjustment in the SP mode, unless otherwise specified.
Use a normal VHS cassette for an adjustment tape.
• Set AUDIO MONITOR to normal.
[Adjustment Sequence]
1. ACE Head Adjustment
2. E-E Output Level Check
1. ACE Head Adjustment
2. E-E Output Level Check
1. ACE Head Adjustment
Refer to the service manual of VHS MECHANICAL
ADJUSTMENT
ADJUSTMENT
VI
.
2. E-E Output Level Check
Purpose:
Confirm that the output level against the reference input is within
the specification.
Confirm that the output level against the reference input is within
the specification.
Mode
E-E
Signal
L, R: 400 Hz, –7.5 dBs
Measurement point
Audio output terminal
Measurement equipment
Audio level meter
Specified value
–7.5 ± 2 dBs
Confirmation Method:
1) Simultaneously input a signal of 400 Hz, –7.5 dBs to both L
1) Simultaneously input a signal of 400 Hz, –7.5 dBs to both L
and R channels of Audio Line Input.
2) Confirm that the audio output level is –7.5 ± 2 dBs.
2-5.
PARTS ARRANGEMENT DIAGRAM FOR ADJUSTMENTS
MA-366 BOARD (COMPONENT SIDE)
Q604
E
C
B
CN001
1
7
CN202
4
1
RV101
RF SWP
RV102
AF SWP
JS401
7-2
NOTE:
• -XX and -X mean standardized parts, so they may
have some difference 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.
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and pack-
ing materials are given in the last of the electrical
parts list.
parts list.
SECTION 7
REPAIR PARTS LIST
7-1.
EXPLODED VIEWS
SLV-GA35/GA36/GA45/GA55/GA59/GA65/GF85/GF86/SA34
The components identified by mark
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number speci-
fied.
critical for safety.
Replace only with part number speci-
fied.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
7-1-1. FRONT PANEL AND CABINET ASSEMBLIES
7-1
9
8
10
9
7
6
5
5
5
2
1
12
11
not supplied
GA45/GA55/GA59/
GF85: PL/GF86
GF85: PL/GF86
GA35/GA45: E, ME, TH/GA55/
GA59/GA65/GF85: TH
GA59/GA65/GF85: TH
GA35/GA45: E, ME, TH/
GA55: E, ME/GA59/GA65
GA55: E, ME/GA59/GA65
13
13
4
3
• Abbreviation
ME : Middle East model
PL
PL
: Philippine model
TH
: Thailand model
TW : Taiwan model
* 6
A-6794-784-A FR-167 BOARD, COMPLETE (GA35: E)
* 6
A-6794-785-A FR-167 BOARD, COMPLETE
(GA45: E, ME, TH/GA55: E, ME/GA59)
* 6
A-6794-786-A FR-167 BOARD, COMPLETE (GF85: TH)
* 6
A-6794-787-A FR-167 BOARD, COMPLETE (GA36/SA34)
* 6
A-6794-788-A FR-167 BOARD, COMPLETE (GA55: PL)
* 6
A-6794-789-A FR-167 BOARD, COMPLETE (GA45: TW)
* 6
A-6794-790-A FR-167 BOARD, COMPLETE (GF85: PL)
* 6
A-6794-792-A FR-167 BOARD, COMPLETE (GA65)
* 6
A-6794-793-A FR-167 BOARD, COMPLETE (GF86)
* 6
A-6794-794-A FR-167 BOARD, COMPLETE (GA35: PL)
7
4-921-277-41 SCREW (B2.6X8), TAPPING, BIND
8
1-791-514-11 CABLE, FLAT (FFM-32)
9
3-058-554-01 SCREW, U/C (GA35/GA36/GA45: E, TH, TW/
GA55: E, PL/GA65/GF85/GF86/SA34)
9
3-058-554-11 SCREW, U/C (GA45: ME/GA55: ME/GA59)
10
3-054-142-52 CASE, UPPER (GA65)
10
3-062-878-21 CASE, UPPER (GA35/GA36/GA45: E, TH, TW/
GA55: E, PL/GF85/GF86/SA34)
10
3-062-878-31 CASE, UPPER (GA45: ME/GA55: ME/GA59)
11
1-418-631-11 COMMANDER, STANDARD (RMT-V286)
(GA45: E, ME, TH/GA55/GA59/GA65/GF85)
11
1-418-631-21 COMMANDER, STANDARD (RMT-V286A)
(GA35)
11
1-418-779-11 COMMANDER, STANDARD (RMT-V286B)
(GA45: TW/GF86)
11
1-418-779-22 COMMANDER, STANDARD (RMT-V286C)
(GA36/SA34)
12
3-709-269-01 COVER, BATTERY
(for RMT-V286/V286A/V286B/V286C)
13
3-058-199-01 INSULATOR, U/C
1
X-3950-828-1 PANEL ASSY, FRONT (GF85: TH)
1
X-3950-829-1 PANEL ASSY, FRONT (GA55: E)
1
X-3950-830-1 PANEL ASSY, FRONT (GA55: ME)
1
X-3950-831-1 PANEL ASSY, FRONT (GA65)
1
X-3950-832-1 PANEL ASSY, FRONT (GA59)
1
X-3950-833-1 PANEL ASSY, FRONT (GA45: E, TH)
1
X-3950-834-1 PANEL ASSY, FRONT (GA45: ME)
1
X-3950-835-1 PANEL ASSY, FRONT (GA35: E)
1
X-3950-837-1 PANEL ASSY, FRONT (GF85: PL)
1
X-3950-838-1 PANEL ASSY, FRONT (GA55: PL)
1
X-3950-839-1 PANEL ASSY, FRONT (GA35: PL)
1
X-3950-840-1 PANEL ASSY, FRONT (GF86)
1
X-3950-841-1 PANEL ASSY, FRONT (GA45: TW)
1
X-3950-842-1 PANEL ASSY, FRONT (GA36)
1
X-3950-843-1 PANEL ASSY, FRONT (SA34)
2
3-943-995-01 EMBLEM (NO.5), SONY
(GA45: ME/GA55: ME/GA59)
2
3-943-995-31 EMBLEM (NO.5), SONY
(GA35/GA36/GA45: E, TH, TW/GA55: E, PL/
GA65/GF85/GF86/SA34)
3
3-953-432-01 SPRING (GE), FL
4
3-059-648-01 DOOR, CASSETTE (GF85/GF86)
4
3-059-648-11 DOOR, CASSETTE (GA35/GA36/SA34)
4
3-059-648-31 DOOR, CASSETTE
(GA45: E, TH, TW/GA55: E, PL/GA65)
4
3-059-648-41 DOOR, CASSETTE (GA45: ME/GA55: ME/GA59)
5
3-051-662-01 KNOB, SLIDE (GA35/GA45: E, TH, TW/
GA55: E, PL/GF85/GF86)
5
3-051-662-11 KNOB, SLIDE (GA45: ME/GA55: ME/GA59)
5
3-051-662-21 KNOB, SLIDE (GA65)
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