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Instruction Manual
NOTES OF SCHEMATIC DIAGRAM
Safety precautions
The Components identified by the symbol
critical for safety. For continued safety, replace safety
critical components only with manufacturer's recom-
mended parts.
1. Units of components on the schematic diagram
Unless otherwise specified.
1) All resistance values are in ohm, 1/6 W, 1/8 W (refer to
parts list).
Chip resistors are 1/16 W.
K: KØ (1000Ø), M: MØ (1000KØ)
2) All capacitance values are in µF, (P: PF).
3) All inductance values are in µH, (m: mH).
4) All diodes are 1SS133, MA165 or 1N4148M (refer to parts
list).
2. Indications of control voltage
AUX : Active at high
AUX or AUX(L) : Active at low
3. Interpreting Connector indications
1
Removable connector
2
3
1
Wire soldered directly on board
2
3
1
Non-removable Board connector
2
3
1
2
Board to Board
3
4
Connected pattern on board
The arrows indicate signal path
4. Voltage measurement
1) Video circuits
REC : Colour bar signal in SP mode, normal VHS mode
PB
: Alignment tape, colour bar SP mode, normal VHS
mode
—
: Unmeasurable or unnecessary to measure
2) Audio circuits
REC : 1KHz, –8 dBs sine wave signal in SP mode, Nor-
mal VHS mode
PB
: REC then playback it
3) Movie Camera circuits
Measured using a correctly illuminated gray scale or colour
bar test charts in the E-E mode
S40884-03
SECTION 4
CHARTS AND DIAGRAMS
4) Indication on schematic diagram
are
REC mode
Note: If the voltages are not indicated on the schematic
5. Waveform measurement
1) Video circuits
2) Audio circuits
3) Movie Camera circuits
4) Indication on schematic diagram
5) Waveform indications
Mode : REC or PB modes
Voltage Indications for REC and PB mode on the sche-
matic diagram are as shown below.
1
2
2.5
1.8
(5.0)
PB and REC modes
(Voltage of PB and REC modes
PB mode
are the same)
diagram, refer to the voltage charts.
REC : Colour bar signal in SP mode, normal VHS mode
PB
: Alignment tape, colour bar SP mode, normal VHS
mode
REC : 1KHz, –8 dBs sine wave signal in SP mode, normal
VHS mode
PB
: REC then playback it
Measured using a correctly illuminated gray scale or colour
bar test chatrs in the E-E mode
Waveform indications on the schematic diagram are as
shown below.
16
18
20
22
24
C329
C330
0.1/50
0.1/50
C331
WF25
11/10
R344
47K
R346
15K
R343
R345
18K
10K
Waveform number
WF25
ALC OUT
REC/PB 1.2 Vp-p
50 mV/2 msec/DIV
Oscilloscope Volts and Time/Division, Probe 10 : 1
3
Measurement point
Waveform number
Waveform name or
measurement point
Level : 1.2 Vp-p
4-1
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Table of Contents
Related Manuals for JVC GR-AX947UM
Summary of Contents for JVC GR-AX947UM
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Page 1: Section 4 Charts And Diagrams
SECTION 4 CHARTS AND DIAGRAMS 4) Indication on schematic diagram NOTES OF SCHEMATIC DIAGRAM Voltage Indications for REC and PB mode on the sche- matic diagram are as shown below. Safety precautions The Components identified by the symbol critical for safety. For continued safety, replace safety critical components only with manufacturer's recom- REC mode mended parts. -
Page 2: Circuit Board Notes
6. Signal path Symbols CIRCUIT BOARD NOTES The arrows indicate the signal path as follows. 1. Foil and Component sides 1) Foil side (B side) : Playback signal path Parts on the foil side seen from foil face (pattern face) are indicated. -
Page 3: Board Interconnections
∗ NOTE ) : The number of patch cords BOARD INTERCONNECTIONS are indicated by interconnected. OPEN LCD(MONITOR) MODULE With C-VF MODEL C_VF_PANEL With BW-VF MODEL E. VF 1 2 3 4 5 6 7 OP BLOCK (Page 4-33) (Page 4-29) CN7602 CN7702 C-VF BL... -
Page 4: Cpu Schematic Diagram
NOTES : For the destination of each signal and further line connections that are cut off from CPU SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (CPU) TO REG TO A/C HEAD... -
Page 5: M.mda Schematic Diagram
NOTES : For the destination of each signal and further line connections that are cut off from M.MDA SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (M.MDA) IC1602 TO REG... - Page 6 NOTES : For the destination of each signal and further line connections that are cut off from VTR ASP SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. JIG_CONN.
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Page 7: Dsp Schematic Diagram
DSP SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. TO LCD/CVF, BW/CVF 0 1 MAIN (DSP) - Page 8 F/Z/I/MDA SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (F/Z/I/MDA) IRIS_O/C TO CPU...
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Page 9: Out Schematic Diagram
V OUT SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. L4701 TO REG 0 1 MAIN (V OUT) -
Page 10: Tg/Cds Schematic Diagram
TG/CDS SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. TO CCD CN5301 0 1 MAIN (TG/CDS) -
Page 11: Reg Schematic Diagram
C6622 NTSC UDZS8.2B-X Light 0.47 100k SSM3K02F 10µ/16 ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ QGA1201C2-02X JVC WB VF ONLY MODEL ∗ ∗ ∗ ∗ ∗ UDZS7.5B-X ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ Light JVC WB VF and 2.5LCD... - Page 12 4.10 LCD/CVF SCHEMATIC DIAGRAM [GR-AX970U] NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. M2_MAIN_LCD/CVF_BLOCK 0 1 MAIN (LCD/CVF) JVC_CVF_ONLY_MODEL...
- Page 13 4.11 BW/CVF SCHEMATIC DIAGRAM [GR-AX770UC] NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. TO DSP BWBLEVEL OPEN...
- Page 14 NOTES : For the destination of each signal and further line connections that are cut off from 4.12 BW/CVF SCHEMATIC DIAGRAM [GR-AX970U] this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. TO DSP TO C-VF BL BWBLEVEL...
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Page 15: Jack Schematic Diagram
S OUT OPEN 0 1 MAIN (JACK) ∗ NOTE : The parts with marked ( ) is not used. y30154001a_rev0 Exchange Parts List JVC PC JVC NON PC model PANA PC NON S JVC model JVC model PANA JVC model model... -
Page 16: Ccd Schematic Diagram
4.14 CCD SCHEMATIC DIAGRAM 4.15 C-VF BL SCHEMATIC DIAGRAM [GR-AX970U] NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. IC5301 is incorporated in the CCD base assembly. - Page 17 NOTES : For the destination of each signal and further line connections that are cut off from 4.16 C-VF SCHEMATIC DIAGRAM [GR-AX970U] this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 6 C-VF LCD(C-VF) MODULE C7713...
- Page 18 4.17 E. VF SCHEMATIC DIAGRAM [GR-AX770UC] NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 6 0 E.
- Page 19 4.18 TOP OPE UNIT, ZOOM UNIT, REAR UNIT AND SENSOR SCHEMATIC DIAGRAMS NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". The schematic diagram is only for reference. Avoid replacing individual parts. TOP OPE UNIT Replace the entire unit only.
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Page 20: Main Circuit Board
4.19 MAIN CIRCUIT BOARD FOIL SIDE(B) 0 1 MAIN PWB YB10356-01-01 D5201 JP2002 C2001 L7301 C5229 L2003 R122 X102 R5217 C5230 D7301 JP2001 C7316 IC103 C5231 Q2001 C126 C7301 C7304 C7305 R7315 R5211 R7307 C5218 D101 R7327 R7305 R7308 R7303 R2004 Q7306 C7315... - Page 21 (1/2) COMPONENT PARTS LOCATION GUIDE <MAIN/YB10356-01-01> REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION CAPACITOR C2004 C4037 C5234 C7068 D6701 L6201 C2005 C4038 C5235 C7069 D6702 L6301 C103 C2021 C4039 C5236 C7301 D7301 L6302 C104 C2022 C4040...
- Page 22 (2/2) COMPONENT PARTS LOCATION GUIDE <MAIN/YB10356-01-01> REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION Q7013 R163 R3507 R4505 R6610 R7312 TL1606 Q7015 R164 R3508 R4507 R6611 R7313 TL1607 Q7301 R165 R3901 R4508 R6612 R7315 TL1608 Q7303 R166...
- Page 23 0 1 MAIN PWB COMPONENT SIDE(A) YB10356-01-01 R7333 Q7311 Q9201 ZP33-14 CN22 R7332 Q9203 ZP33-16 F7301 R7331 CN9013 CN9012 C4047 CN13 R7330 IC102 C107 C1630 ZP13-6 R9204 R9209 C5227 R9207 R3501 ZP12-3 C5234 C111 RA109 C5228 C5209 L7304 ZP13-5 ZP13-7 ZP13-10 R5215 R178...
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Page 24: Ccd Circuit Board
4.20 CCD CIRCUIT BOARD 4.21 E.VF CIRCUIT BOARD [GR-AX770UC] FOIL SIDE(B) 0 2 CCD PWB FOIL SIDE(B) YB10356-01-01 6 0 E. VF PWB Q7003 R7023 R7029 R7019 VR7002 R7024 IC7001 IC5301 C7013 R7025 R7021 Q7001 R7016 R7008 R7030 C7005 CL5301 R7020 R7006 R7005... - Page 25 4.22 C-VF CIRCUIT BOARD [GR-AX970U] FOIL SIDE(B) 0 6 C-VF PWB R7714 R7708 R7707 C7705 C7704 D7701 D7702 L7702 R7710 C7709 C7703 IC7701 C7708 R7712 R7711 COMPONENT SIDE(A) 0 6 C-VF PWB TP7704 CN7701 C7713 R7716 TP7702 TP7701 C7716 TP7703 C7701 C7711 R7715...
- Page 26 4.23 WAVEFORMS — VTR ASP — IC3501-21 IC3501-25 IC3501-19 IC3501-20 REC 0.1 Vp-p REC 0.57 Vp-p 24 mVp-p 0.24 Vp-p 2 mV/10 µsec/DIV 10 mV/10 µsec/DIV 1 mV/5 msec/DIV 20 mV/5 msec/DIV — DSP — IC4001-160 IC4001-161 IC4001-146 IC4001-147 REC/PB 0.28 Vp-p REC 0.52 Vp-p REC/PB 0.28 Vp-p REC 0.15 Vp-p...
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Page 27: Voltage Charts
4.24 VOLTAGE CHARTS <VTR ASP> <CPU> MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. - Page 28 <F/Z/I/MDA> <CCD> MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO.
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Page 29: Power System Block Diagram
4.25 POWER SYSTEM BLOCK DIAGRAM REAR UNIT MAIN NOTE) REG SECTION M. MDA SECTION OPEN DRM_PWR : For GR-AX770UC Q6401 L6002 UNREG DRM_PWR DRUM : For GR-AX970U POWER JACK SECTION L6001 CAP_PWR F6001 CN28 DRM_CTL BATT_+ CAP_PWR REG_3.2V BATT_+ IC6001-6,39PIN Q6501 UNREG M_UNREG... - Page 30 4.26 CAMERA AND Y/C SYSTEM BLOCK DIAGRAM 0 2 CCD MAIN V_PB_C IC5201 (TG/CDS) IC4001(DSP) (DSP) (CDS/AGC/AD) IC5301 Q5301 CN5301 CN22 OPTICAL CCD_OUT CDSIN BLKSH PROCESS BLOCK CONV CLAMP T. G SEPA DSP CONTROL BLKFB (3LINE) OFFSET CDS_CLK INTERFACE SERIAL INTERFACE ADCLK MATRIX IMAGE...
- Page 31 JIG_CONN. J504 CN25 A/V OUT V_PB_C IC4001(DSP) J505 S OUT IC4701 RYOUT DA_R (V OUT) BYOUT IC4702 Y/C MIX DA_B TO LCD/CVF &6dB AMP (V OUT) Q3502 IC3501 Y2OUT CH2_S DA_G (VTR ASP) PB AMP OPEN TO BW/CVF CH2_F BWYO BWYOUT Q3502 Q4701...
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Page 32: Cpu/Mda System Block Diagram
4.27 CPU/MDA SYSTEM BLOCK DIAGRAM MAIN (CPU) (M. MDA) IC101(CPU) IC1601 DRUM ROTOR POSI CENTER POSITION IC103 RTC CS (RTC) AL SI START UP TIMMING SWITCHING DRUM CLK CONTROL CONTROL SCLK AL CLK D COIL U OSCIN D COIL U FORWARD DRUM ON C1617...