Sony SLV-SE310D / SLV-SE310I / SLV-SE410K / SLV-SE510B / SLV-SE510D / SLV-SE510K Service Manual ▷ View online
7-2
2-1-5.
Input/Output Levels and Impedance
Video input: LINE-1 (TV)/LINE-2 IN
Input signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
sync negative
Video output: LINE-1 (TV)
Output signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
sync negative
Audio input: LINE-1 (TV)/LINE-2 IN
Input level: –7.5 dBs
(0 dBs= 0.775 Vrms)
Input impedance: more than 47 kilohms
(0 dBs= 0.775 Vrms)
Input impedance: more than 47 kilohms
Audio output: LINE-1 (TV)
Standard level: –7.5 dBs at load impedance 47
kilohms
Output impedance: less than 10 kilohms
kilohms
Output impedance: less than 10 kilohms
2-1-6.
Adjustment Sequence
The adjustments should be performed in the following sequence.
2-2.
POWER SUPPLY CHECK
2-2-1.
Output Voltage Check (MA-401 Board)
Mode
STANDBY
D5 V Check
Measurement point
Cathode of D606
Specified value
4.8 to 5.4 V
Mode
E-E
–11 V Check
Measurement point
Corrector of Q602
Specified value
–13.5 to – 9.5 V
SW +12 V Check
Measurement point
IC601 pin 2 or corrector of Q612
Specified value
11.7 to 12.3 V
SW +5 V Check
Measurement point
Emitter of Q600
Specified value
4.8 to 5.4 V
MTR12 V Check
Measurement point
Corrector of Q601
Specified value
12.6 to 13.6 V
SW +30 V Check
Measurement point
Corrector of Q720
Specified value
33.5 to 36.5 V
[Check Method]
1)
1)
Each of these supply voltages must meet its specified value.
Power Supply Check
Servo System Adjustments
Audio System Adjustments
7-3
7-4 E
2-5.
ADJUSTING PARTS LOCATION DIAGRAM
MA-401 BOARD
(CONDUCTOR SIDE)
(CONDUCTOR SIDE)
LINE-1(TV)
CN500
Q601
E
B
Q600
B
E
Q602
B
E
1
5
CN262
2-3.
SERVO SYSTEM CHECK
2-3-1.
RF Switching Position Adjustment
(MA-401 Board)
(MA-401 Board)
[Adjustment Purpose]
To adjust the link of the A-ch and B-ch of the tape playback out-
puts.
To make the unit compatible with other tapes and units. If this
specification is not satisfied, the link will appear on the screen and
the screen will be disrupted, etc.
To adjust the link of the A-ch and B-ch of the tape playback out-
puts.
To make the unit compatible with other tapes and units. If this
specification is not satisfied, the link will appear on the screen and
the screen will be disrupted, etc.
Mode
Playback
Signal
Alignment tape: SP color bar portion
Measurement point
CH1: CN262 pin 1 (PB RF)
CH2: CN262 pin 2 (RF SWP)
CH2: CN262 pin 2 (RF SWP)
Measuring instrument
Oscilloscope
Adjusting element
Remote commander CH+/–
Specified value
A=minimize
[Adjustment Method]
1) Playback the alignment tape.
2) Short CN262 pin 5 to Ground.
3) Check that “A P” is indicated on FL display.
4) Adjust so that part A becomes minimized at CH +/–.
5) Write data in EEPROM by pressing PAUSE button.
6) The display “A P” disappears and then the Adjustment mode
1) Playback the alignment tape.
2) Short CN262 pin 5 to Ground.
3) Check that “A P” is indicated on FL display.
4) Adjust so that part A becomes minimized at CH +/–.
5) Write data in EEPROM by pressing PAUSE button.
6) The display “A P” disappears and then the Adjustment mode
terminates.
Fig. 7-2-3
2-4.
AUDIO SYSTEM ADJUSTMENTS
[Connecting Instruments]
Fig. 7-2-4
A
CH1
PB RF
CH2
RF SWP
CN500
3
A (L) OUT
4
A GND
J481 AUDIO IN
Audio oscillator
Attenuator
600
Ω
Audio level meter
or distortion meter
or distortion meter
47 k
Ω
VTR
2-4-1.
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.
2-4-2.
ACE Head Adjustment
Refer to the VHS mechanical adjustment manual (S MECHA-
NISM) (9-921-647-11).
NISM) (9-921-647-11).
2-4-3.
E-E Output Level Check
[Adjustment purpose]
Confirm that the output level adjust the reference input is within the
specification.
Confirm that the output level adjust the reference input is within the
specification.
Mode
E-E
Signal
400 Hz, –6.3 dBs
Measurement point
CN500 Pin 3
Measuring instrument
Audio level meter
Specified value
–6.3 ± 2 dBs
[Check Method]
1) Input signal of 400 Hz and –6.3 dBs to the J480.
2) Check that the audio output level is –6.3 ± 2 dBs.
1) Input signal of 400 Hz and –6.3 dBs to the J480.
2) Check that the audio output level is –6.3 ± 2 dBs.
2-4-4.
Frequency Response Check
[Adjustment purpose]
Confirm that the frequency characteristic is within the specification.
Confirm that the frequency characteristic is within the specification.
Mode
REC and PB (SP mode)
Signal
400 Hz, –26.3 dBs
7 kHz, –26.3 dBs
7 kHz, –26.3 dBs
Measurement point
CN500 Pin 3
Measuring instrument
Audio level meter
Specified value
0 ± 3 dB
Note:
Tape path adjustment must have been completed.
[Confirmation Method]
1) Supply a signal of 400 Hz, –26.3 dBs to J481 AUDIO IN.
2) Connect the audio level meter to CN500 Pin 3.
3) Adjust the attenuator so that the audio level meter will indi-
1) Supply a signal of 400 Hz, –26.3 dBs to J481 AUDIO IN.
2) Connect the audio level meter to CN500 Pin 3.
3) Adjust the attenuator so that the audio level meter will indi-
cate –26.3 dBs.
4) Make recording in the SP mode.
5) Set an audio line input signal to 7 kHz and make recording.
6) Playback a recorded portion, and measure output levels at 400
5) Set an audio line input signal to 7 kHz and make recording.
6) Playback a recorded portion, and measure output levels at 400
Hz and 7 kHz.
7) Confirm that the 7 kHz playback output level within a range
of the 400 Hz playback output level 0 dB to ± 3 dB.
8-1
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)
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.
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 8
REPAIR PARTS LIST
8-1.
EXPLODED VIEWS
SLV-SE310/SE410/SE510
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
8-1-1. FRONT PANEL AND CABINET ASSEMBLIES
1
X-3951-252-1 PANEL ASSY, FRONT (SE510: D, K)
1
X-3951-253-1 PANEL ASSY, FRONT (SE510B)
1
X-3951-254-1 PANEL ASSY, FRONT (SE310I)
1
X-3951-255-1 PANEL ASSY, FRONT (SE310D)
1
X-3951-256-1 PANEL ASSY, FRONT (SE410)
2
3-953-432-01 SPRING (GE), FL
3
3-065-637-11 DOOR, CASSETTE
5
4-921-277-41 SCREW (B2.6X8), TAPPING, BIND
6
3-058-423-51 CASE, UPPER (E)
7
3-363-099-11 SCREW (CASE 3 TP2)
8
1-418-008-31 COMMANDER, STANDARD (RMT-V257B)
(SE310/SE410/SE510: D, K)
8
1-418-008-41 COMMANDER, STANDARD (RMT-V257C)
(SE510B)
7
6
8
7
2
3
1
not supplied
not supplied
(KK-26 board)
(KK-26 board)
5
8-2
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 51
A-6713-786-A MA-401 BOARD, COMPLETE (SE510D)
* 51
A-6713-787-A MA-401 BOARD, COMPLETE (SE310D)
* 51
A-6713-789-A MA-401 BOARD, COMPLETE (SE510B)
* 51
A-6713-790-A MA-401 BOARD, COMPLETE (SE510K)
* 51
A-6713-791-A MA-401 BOARD, COMPLETE (SE410)
* 51
A-6713-792-A MA-401 BOARD, COMPLETE (SE310I)
52
3-970-608-21 SUMITITE (B3), +BV
53
1-792-018-11 CABLE, FLAT (FAC-8)
54
1-792-019-11 CABLE, FLAT (FFM-36)
55
3-058-999-01 PLATE, DRUM COVER
* 56
1-468-459-11 POWER BLOCK (ETXNY272E2D)
0 57
1-782-012-22 CORD, POWER
52
55
52
52
51
52
#1
#1
not supplied
not supplied
not supplied
not supplied
#1
52
57
52
52
52
56
53
54
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
line with mark 0 are critical for safety.
Replace only with part number specified.
8-1-2. CHASSIS ASSEMBLY
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