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6-52
3-5-3. Clock Adjustment
1. IC1900 27MHz XTAL fo Adjustment (VC-183 Board)
Set the sub-carrier frequency of the video output signal in VTR mode.
Adjusting method:
1) Set data: 01 to page: 1, address: 00.
2) Change the data of page: D, address: E7, and set the clock
1) Set data: 01 to page: 1, address: 00.
2) Change the data of page: D, address: E7, and set the clock
frequency (f) to the specified value.
3) Press the PAUSE button of the adjusting remote commander.
4) Set data: 00 to page: 1,address: 00.
4) Set data: 00 to page: 1,address: 00.
2. IC1900 VCO Operation Check (VC-183 Board)
3-5-4. BIST Check
1. Playback System Check
1) Set the POWER switch to VTR (or PLAYER) position.
2) Connect the adjusting remote commander and set the HOLD
2) Connect the adjusting remote commander and set the HOLD
switch to HOLD (SERVICE) position.
3) Playback the BIST check tape.
IC1701(D1) Playback System Check
4) Set data: 04 to page: 4, address: 11 and press the PAUSE button.
5) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
6) Set data: 03 to page: 4, address: 13 and press the PAUSE button.
5) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
6) Set data: 03 to page: 4, address: 13 and press the PAUSE button.
(The data will be automatically return to “00”.)
7) When the IC1701 (D1) n IC1503 (T1) playback system is
normal, following data will be displayed in page: 4, address: 14
and 15.
and 15.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
VTR stop
No signal
R1901 (Pin
2 of IC1900)
Frequency counter
D
E7
f = 13500000 ± 68Hz (NTSC)
f = 13500000 ± 68Hz (PAL)
f = 13500000 ± 68Hz (PAL)
Checking method:
1) Set data: 01 to page: 1, address: 00.
2) Set data: 04 to page: 2, address: 05 and press the PAUSE button
1) Set data: 01 to page: 1, address: 00.
2) Set data: 04 to page: 2, address: 05 and press the PAUSE button
of the adjusting remote commander.
3) Set data: 13 to page: D, address: FE and press the PAUSE button
of the adjusting remote commander.
4) Check that the display data of page: 2, address: 1D is “C0” to
“FF”.
5) Set data: 15 to page: D, address: FE and press the PAUSE button
of the adjusting remote commander.
6) Check that the display data of page: 2, address: 1D is “C0” to
“FF”.
7) Set data: 10 to page: D, address: FE and press the PAUSE button
of the adjusting remote commander.
8) Set data: 00 to page: 2, address: 05 and press the PAUSE button
of the adjusting remote commander.
9) Set data: 00 to page: 1, address: 00.
3. IC6101 41.85MHz VCO Operation Check (MR-36 Board)
Mode
Signal
VTR stop
No signal
Display data of page: 2, address: 1D of
the adjusting remote commander
the adjusting remote commander
Measurement Point
Measuring Instrument
Specified Value
“C0” to “FF”
Checking method:
1) Check that the display data of page: 3, address: 39 is “37” to
1) Check that the display data of page: 3, address: 39 is “37” to
“C9”.
Mode
Subject
Camera recording
Arbitrary
Display data of page: 3, address: 39 of
the adjusting remote commander
the adjusting remote commander
Measurement Point
Measuring Instrument
Specified Value
“37” to “C9”
Page
Address
Data
4
15
E5 (NTSC), 27 (PAL)
4
14
11 (NTSC), CA (PAL)
8) When the IC1701(D1) n IC3501(INDI) playback system is
normal, following data will be displayed in page: 4, address: 16
and 17.
and 17.
Page
Address
Data
4
17
C0 or BA (NTSC), DC (PAL)
4
16
6E or 04 (NTSC), 44 (PAL)
9) When the IC1701 (D1) n IC1901 (A1) playback system is
normal, following data will be displayed in page: 4, address: 18
and 19.
and 19.
Page
Address
Data
4
19
33 or B2 (NTSC), A2 (PAL)
4
18
59 or 19 (NTSC), 03 (PAL)
IC1901(A1) Playback System Check
10) Set data: 10 to page: 4, address: 11 and press the PAUSE button.
11) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
12) Set data: 04 to page: 4, address: 13 and press the PAUSE button.
11) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
12) Set data: 04 to page: 4, address: 13 and press the PAUSE button.
(The data will be automatically return to “00”.)
13) When the IC1901(A1) playback system is normal, following
data will be displayed in page: 4, address: 14 and 15.
Page
Address
Data
4
15
7B (NTSC), CC (PAL)
4
14
B5 (NTSC), C0 (PAL)
IC1500(V1) Playback System Check
14) Set data: 02 to page: 4, address: 11 and press the PAUSE button.
15) Set data: 02 to page: 4, address: 13 and press the PAUSE button.
15) Set data: 02 to page: 4, address: 13 and press the PAUSE button.
(The data will be automatically return to “00”.)
16) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
17) When the IC1503 (T1) n IC1500 (V1) playback system is
17) When the IC1503 (T1) n IC1500 (V1) playback system is
normal, following data will be displayed in page: 4, address: 14
and 15.
and 15.
Page
Address
Data
4
15
C4 (NTSC), 69 (PAL)
4
14
00 (NTSC), FE (PAL)
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