ELE-19
7-3. HSE Input Adjustment
BOARD
RFEQ
TP
TP820, TP821, TP822, TP823,
TP660 (Trigger)
ADJUST
VR820, VR821, VR822, VR823
INPUT
Internal Color Bar
MODE
REC
TAPE
Blank Tape
M. EQ
Oscilloscope
SPEC.
A = 1.5V +/- 0.5 Vp-p
B = 24nS +/-3 The nS
1. Insert a Blank Tape and press the REC button.
2. Confirm that the A and B in following figure are
within the specification at each test point and then
also signal disappears when it is in REC PAUSE
mode.
3. During the recording mode, magnify the time
range of oscilloscope, observe the waveform in
the AC mode referring to the GND level and
adjust VR820, VR821, VR822 and VR823 so that
the crossing point of rising and falling sections of
the waveform as shown below can be located on
the GND level.
7-4. PLAY Error Rate Confirmation
(Manual Adjustment)
BOARD
RFEQ
TP
LCD
INPUT
Internal Color Bar
MODE
PLAY
TAPE
Alignment Tape (VFM3580KL)
M. EQ
Monitor TV
SPEC.
Error Rate = Less than 10 scales (VITERBI
ON)
< Menu >
*** VTR SERVICE MENU ***
<VTR SERVICE 1/3>
Þ
VITERBI
Þ
BER ADJ
Þ
BER SPEED
1. Open the SERVICE MENU, and set the item as
follows.
BER ADJ
: L1L3
BER SPEED
: SLOW
VITERBI
: ON
2. Play the alignment tape and check that the error
rate is within the specification.
3. Confirm the error rate of all heads (total 8 units) by
switching the BER ADJ to the order of R1R3,
L2L4 and R2R4.
Содержание AJ-HDC27VP
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Страница 7: ...Printed in Japan FCD0108NCKK71 ...
Страница 136: ...ELE 25 9 TP VR and SW Location AUDIO LCD P C BOARD VEP84331B COMPONENT SIDE FOIL SIDE ...
Страница 137: ...ELE 26 VIDEO OUT P C BOARD VEP23500B VTR SYSCON P C BOARD VEP86303C COMPONENT SIDE FOIL SIDE ...
Страница 138: ...ELE 27 SERVO P C BOARD VEP82224B COMPONENT SIDE FOIL SIDE ...
Страница 139: ...ELE 28 VIDEO MAIN P C BOARD VEP83462C COMPONENT SIDE FOIL SIDE ...
Страница 140: ...ELE 29 FOIL SIDE DSP MAIN P C BOARD VEP23530B COMPONENT SIDE ...
Страница 141: ...ELE 30 VTR MOTHER P C BOARD VEP80B10A RF EQ P C BOARD VEP87104B COMPONENT SIDE COMPONENT SIDE ...
Страница 142: ...ELE 31 CUE P C BOARD VEP84353A PRE PROCESS P C BOARD VEP23534B COMPONENT SIDE FOIL SIDE COMPONENT SIDE FOIL SIDE ...
Страница 151: ...HEAD BUFFER BLOCK DIAGRAM BLK 6 ...
Страница 152: ...BLK 7 RF EQ BLOCK DIAGRAM ...
Страница 153: ...HD SDI TX VIDEO MAIN BLOCK DIAGRAM BLK 8 DSP MAIN DSP MAIN DSP MAIN DSP MAIN HD SDI TX ...
Страница 155: ...SERVO BLOCK DIAGRAM BLK 10 ...
Страница 157: ...VTR SYSCON SD CARD BLOCK DIAGRAM BLK 12 Q1 SD CARD CKK USED USED ...
Страница 158: ...POWER MAIN SUB BLOCK DIAGRAM BLK 13 ...
Страница 159: ...SCHEMATIC DIAGRAMS NOTE BE SURE TO MAKE YOUR ORDERS OF REPLACEMENT PARTS ACCORDING TO PARTS LIST SECTION 8 ...
Страница 294: ...CBA 5 E 4 3 2 1 D C B A FOIL SIDE CCD SENSOR P C BOARD VEP20854A FOIL SIDE IC101 E1 IC201 C1 IC301 A1 ...
Страница 320: ...CBA 31 SD CARD P C BOARD VEP23532A MEMORY P C BOARD VEP23531B COMPONENT SIDE FOIL SIDE COMPONENT SIDE ...
Страница 323: ...PRT 2 MECHANICAL CHASSIS ASSEMBLY 1 ...
Страница 325: ...PRT 4 MECHANICAL CHASSIS ASSEMBLY 2 ...
Страница 327: ...PRT 6 CHASSIS FRAME ASSEMBLY 1 ...
Страница 329: ...PRT 8 CHASSIS FRAME ASSEMBLY 2 ...
Страница 331: ...PRT 10 CHASSIS FRAME ASSEMBLY 3 ...
Страница 333: ...PRT 12 CASSETTE COMPARTMENT ASSEMBLY ...
Страница 335: ...PRT 14 PACKING PARTS ASSEMBLY ...
Страница 387: ...HEAD BUFFER BLOCK DIAGRAM BLK 6 ...
Страница 388: ...BLK 7 RF EQ BLOCK DIAGRAM ...
Страница 389: ...HD SDI TX VIDEO MAIN BLOCK DIAGRAM BLK 8 DSP MAIN DSP MAIN DSP MAIN DSP MAIN HD SDI TX ...
Страница 391: ...SERVO BLOCK DIAGRAM BLK 10 ...
Страница 393: ...VTR SYSCON SD CARD BLOCK DIAGRAM BLK 12 Q1 SD CARD CKK USED USED ...
Страница 394: ...POWER MAIN SUB BLOCK DIAGRAM BLK 13 ...
Страница 399: ...CBA 5 FOIL SIDE CCD SENSOR P C BOARD VEP20854A FOIL SIDE IC101 E1 IC201 C1 IC301 A1 ...
Страница 425: ...CBA 31 SD CARD P C BOARD VEP23532A MEMORY P C BOARD VEP23531B COMPONENT SIDE FOIL SIDE COMPONENT SIDE ...
Страница 499: ...ELE 25 9 TP VR and SW Location AUDIO LCD P C BOARD VEP84331B COMPONENT SIDE FOIL SIDE ...
Страница 500: ...ELE 26 VIDEO OUT P C BOARD VEP23500B VTR SYSCON P C BOARD VEP86303C COMPONENT SIDE FOIL SIDE ...
Страница 501: ...ELE 27 SERVO P C BOARD VEP82224B COMPONENT SIDE FOIL SIDE ...
Страница 502: ...ELE 28 VIDEO MAIN P C BOARD VEP83462C COMPONENT SIDE FOIL SIDE ...
Страница 503: ...ELE 29 FOIL SIDE DSP MAIN P C BOARD VEP23530B COMPONENT SIDE ...
Страница 504: ...ELE 30 VTR MOTHER P C BOARD VEP80B10A RF EQ P C BOARD VEP87104B COMPONENT SIDE COMPONENT SIDE ...
Страница 505: ...ELE 31 CUE P C BOARD VEP84353A PRE PROCESS P C BOARD VEP23534B COMPONENT SIDE FOIL SIDE COMPONENT SIDE FOIL SIDE ...
Страница 554: ...PRT 2 MECHANICAL CHASSIS ASSEMBLY 1 ...
Страница 556: ...PRT 4 MECHANICAL CHASSIS ASSEMBLY 2 ...
Страница 558: ...PRT 6 CHASSIS FRAME ASSEMBLY 1 ...
Страница 560: ...PRT 8 CHASSIS FRAME ASSEMBLY 2 ...
Страница 562: ...PRT 10 CHASSIS FRAME ASSEMBLY 3 ...
Страница 564: ...PRT 12 CASSETTE COMPARTMENT ASSEMBLY ...
Страница 566: ...PRT 14 PACKING PARTS ASSEMBLY ...