Sony CCU-590P Maintenance Manual Download Page 91

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CCU-590/P/V1(E)

4-27

CN902

S363

E101

E102

E300

E701

E801

LV101

LV201

LV301

LV302

LV401

LV402

LV601

LV602

LV901

LV902

RV101

RV201

RV301

RV401

RV41

RV601

RV701

RV801

RV901

RV902

TP1

TP101

TP201

TP202

TP21

TP301

TP302

TP401

TP402

TP41

TP701

TP801

TP901

TR-133B BOARD (SIDE A)

TP601

TP602

E100

Minimum

1.24

0.02 V dc

GND

4-6-6. INCOM1 Demodulation Adjustment

Adjustment category:

Note:

Perform this adjustment only

after replacing

LV601 and/or

LV602 on the TR-133B

board.

Measuring instruments:

Oscilloscope, Audio generator

Extended board:

TR-133B board

Preparation:

Set the switches below on the MA-128B board of CA-

590/590P.
S3 (CM/DYM)

→

“DYM”

S4 (UNBAL)

→

“ON”

S5 (GAIN:

/0/

)

→

“0”

Input 1 kHz/220 mV p-p sine wave signal from the audio
generator to the pin 2 (X) (GND: pin 3) of the INCOM1

connector (XLR pin 5) of CA-590/590P.

Fig.1 (Refer to “4-1-4. Audio Connection”.)

Measurement point:

TP601 (GND: E300)/TR-133B
board

Adjustment procedure:

Set the oscilloscope INPUT (AC/DC) mode to DC,
and connect the probe to TP601 (GND: E300) on the

TR-133B board. Then, turn slowly the

LV601 (7.1M

TUNE 1) core up to 1.24

0.02 V dc while watching

the oscilloscope screen.

Set the oscilloscope INPUT (AC/DC) mode to “AC”,

and adjust the

LV602 (7.1M TUNE2) core to

minimize the carrier.

Perform steps 1 and 2 repeatedly to meet the specifica-

tions in 1 and 2.

4-6-7. INCOM1 Level Adjustment

Adjustment category:

Measuring instruments:

Oscilloscope, Audio generator

Extended board:

TR-133B board

Preparation:

Input 1 kHz/220 mV p-p sine wave signal from the audio
generator to the pin 2 (X) (GND: pin 3) of the INCOM1

connector (XLR pin 5) of CA-590/590P.

Fig.1 (Refer to “4-1-4. Audio Connection”.)

Measurement point:

TP602 (GND: E300)/TR-133B
board

Adjustment point:

RV601 (INCOM 1 LEVEL)/

TR-133B board

Specification:

A = 200

10 mV p-p

Summary of Contents for CCU-590P

Page 1: ...CAMERA CONTROL UNIT CCU 590 CCU 590P MAINTENANCE MANUAL Volume 1 1st Edition Serial No 10001 and Higher CCU 590 UC Serial No 40001 and Higher CCU 590P CE ...

Page 2: ...uniquement 4 Prevention against achieving hazardous condition due to uneven mechanical loading When this product is installed in a rack please make sure that the rack does not achieve hazardous condition due to uneven mechanical loading 5 Install the equipment while taking the operating temperature of the equipment into consideration For the operating temperature of the equipment refer to the spec...

Page 3: ...nsfare Ved utskifting benyttes kun batteri som anbefalt av apparatfabrikanten Brukt batteri returneres apparatleverandøren VARNING Explosionsfara vid felaktigt batteribyte Använd samma batterityp eller en likvärdig typ som rekommenderas av apparattillverkaren Kassera använt batteri enligt gällande föreskrifter VAROITUS Paristo voi räjähtää jos se on virheellisesti asennettu Vaihda paristo ainoasta...

Page 4: ......

Page 5: ...vel of the Signals on a Picture Monitor 2 18 2 4 8 Adjusting the G Y B B Y R R Y Signal Level 2 18 3 Service Overview 3 1 Location of Printed Wiring Boards 3 1 3 2 Circuit Description 3 2 3 3 Adjusting Setting Items after Board Replacement 3 9 3 3 1 Service Action after Replacing the AT 155B Board 3 9 3 3 2 Service Action after Replacing the Lithium Battery on the AT 155B Board 3 9 3 3 3 Service A...

Page 6: ...stment 4 41 4 Electrical Alignment 4 1 Preparation 4 1 4 1 1 Equipment and Tools Used 4 1 4 1 2 Tools 4 1 4 1 3 Precautions for Adjustment 4 1 4 1 4 Connection 4 2 4 2 Adjustment Flow 4 3 4 3 Video Signal System Adjustment 4 4 4 3 1 Frequency Adjustment 4 4 4 3 2 VBS 1 2 3 OUT Level Adjustment 4 4 4 3 3 WF OUT Level Adjustment 4 5 4 3 4 PIX OUT Level Adjustment 4 5 4 3 5 Y OUT Level Adjustment 1 4...

Page 7: ...ments block diagrams schematic diagrams and board layouts of the CCU 590 590P Part number 9 968 168 0X Operation Manual Supplied with this unit This manual is necessary for application and operation of this unit Part number 3 869 646 XX Semiconductor Pin Assignments CD ROM Available on request This Semiconductor Pin Assignments CD ROM allows you to search for semiconductors used in B P Company equ...

Page 8: ......

Page 9: ...el from the RM B750 1 Loosen the screw with stopper of the RM B750 and open the cover in the direction of the arrow 2 Loosen the four screws with stopper and open the front panel and the rear panel in the direction of the respec tive arrows 3 Disconnect the flexible card wires from the connectors CN2 CN14 on the VA 211 board n Be careful not to bend the flexible card wires This shortens the wire l...

Page 10: ... the excessive force is not given to it 12 Close the front panel of the RM B750 in the direction of the arrow and secure it with the two screws with stopper 13 Upon completion of front panel installation check that the switch S206 CCU PW on the MPU 124 board of the RM B750 is ON Installing the Front Panel to the Unit 5 Turn off the power and disconnect the plug from the outlet 6 Open the front pan...

Page 11: ... SMPTE259M Y R Y B Y video 4 BNC Y 1 0 V p p 75 Z R Y B Y CCU 590 700 mV p p 75 Z CCU 590P 525 mV p p 75 Z R G B video 4 BNC 700 mV p p 75 Z PIX BNC 1 0 V p p 75 Z WF BNC CCU 590 714 mV p p 75 Z CCU 590P 700 mV p p 75 Z Encoded output 1 0 V p p 75 Z SYNC BNC 0 3 V p p 75 Z 3 The signal selection VBS or SDI output from the VBS SDI 1 2 3 connectors is switchable 4 R G B and Y R Y B Y are switchable ...

Page 12: ... or OPEN 4 3 GND 16 9 14 AUX9 15 MIC GAIN CONT2 IN 2 See below 2 CONT0 CONT1 CONT2 CHU MIC1 AMP GAIN H H H 60 dB L H H 50 dB H L H 40 dB L L H 30 dB H H L 20 dB 3 8pin 15pin MIC GAIN CONT L L MIC1 MIC2 ON L H MIC1 ON H L MIC2 ON H H INTERNAL SET AUDIO OUTPUT CH1 CH2 XLR 3P MALE EXTERNAL VIEW 0 dBu 0 775 Vrms No Signal Specifications 1 MIC OUT G 0 dBu _20 dBu balanced 2 MIC OUT X Selectable with S2...

Page 13: ...D T X IN PROD SYSTEM TALK 18 PROD T Y IN 0 dBu BALANCED 19 NC No connection 20 NC No connection 21 NC No connection 22 AUX7 23 AUX6 24 G TALLY X IN ON 24 V dc TTL H SHORT 25 G TALLY Y IN OFF 0 V dc TTL L OPEN 4 To use these interface signals modification for AT board is required For more details please consult your Sony service representative REMOTE 8P FEMALE EXTERNAL VIEW No Signal Specification ...

Page 14: ... MALE or the equivalent MIC REMOTE 1 506 582 11 D Sub 15 pin male or JAE DA 15PF N 15P FEMALE or the equivalent INTERCOM TALLY PGM D Sub 25 pin male JAE DA 25P FEMALE 25PF N or the equivalent WF MODE 1 560 155 00 plug 4 pin male 4P FEMALE REMOTE 1 766 848 11 plug 8 pin male or CCA cable assembly optional CCA 5 10 10 m 8P FEMALE CCA 5 3 3 m INCOM 1 508 370 11 XLR 5 pin male or CANNON XLR 5 12C or t...

Page 15: ...tic fields 3 Put the unit in a dry and well ventilated place 4 Do not put the unit in a place subject to excessive dust and mechanical shock 5 Do not put the unit in a place subject to direct sunlight and light 1 5 Outer Dimensions Unit mm Screws Screws B5 screws 6 mm or longer RMM 301 1 6 Mounting on 19 Inch Rack Two CCU 590 590Ps can be mounted on a 19 inch EIA standard rack in parallel by using...

Page 16: ... Section 1 5 Change Procedure Change the connection following the procedure below Change on the CCU Side 1 Remove the DM 140 board Refer to Section 3 4 1 steps 1 and 2 2 Disconnect the yellow RF cable from the connector CN1 and connect it to CN2 3 Remount the DM 140 board on the unit Check after Change 1 Connect the coaxial cable between the COAX connec tor on the CCU rear panel and the COAX conne...

Page 17: ...n connect the CNU 5 Not used OFF 6 ON WFM PIX same control OFF enable OFF WFM PIX same control disable 7 Monitor selection in MSU OFF enable 8 For VCS test OFF S310 B 4 TEST ALL OFF 1 to 8 Not used S311 B 4 CCU NO ALL OFF Set with BCD CCU No 00 S312 B 4 MODE2 1 ON System delay LV5000 OFF OFF WFM601 2 ON BARS character mix to OFF PIX disable OFF BARS character mix to PIX enable 3 ON D sub 15P WFM r...

Page 18: ... ON Four signals on SEQ OFF OFF Three signals on SEQ 2 ON RGB ENC signals in four OFF signals on SEQ OFF RGB Y signals in four signals on SEQ 3 Monitor function out to WF OUT OFF ON Fixing to ENC OFF WFM MODE 4 Monitor function mix to PIX OUT OFF ON Without Character on PIX OFF With Character on PIX S707 B 4 Not used OFF S708 B 4 Not used OFF S709 B 4 Not used OFF S1001 G 4 Video selection out to ...

Page 19: ...used ON 3 ON VBS 3 OFF SDI 3 OFF 4 ON VBS 4 OFF SDI 4 OFF S102 B 4 1 to 3 Not used 4 SDI RETURN FREQ ADJ MODE OFF S103 A 4 Not used OFF S104 B 4 Not used OFF S105 A 4 Not used OFF CN902 S101 S102 S103 S104 S105 S107 S108 TP101 TP102 TP103 TP104 E1 E2 E3 RV101 RV102 RV103 RV104 RV105 RV106 RV401 A B C D E F G H J 1 2 3 4 5 S106 IV 57B BOARD A SIDE CN902 S1 S2 S363 E1 E101 E102 E300 E701 E801 LV101 ...

Page 20: ... dB 0 dB _20 dB PGM1 line is set to _20 dB S201 H 2 0 dB PGM2 line is set to 0 dB 0 dB _20 dB PGM2 line is set to _20 dB S202 F 3 0 dB MIC2 line is set to 0 dB 0 dB _20 dB MIC2 line is set to _20 dB S203 F 3 0 dB MIC1 line is set to 0 dB 0 dB _20 dB MIC1 line is set to _20 dB S204 A 4 RTS Prod line is set to RTS RTS CC Prod line is set to ClearCom S205 A 4 RTS ENG line is set to RTS RTS CC ENG lin...

Page 21: ...lect PRIV PROD Producer line PRIV Communication available only between CA and CCU ENG Engineer line S4 C 2 MIC PGM switch OFF MIC ON Head set MIC ON MIC OFF Head set MIC OFF PGM Program audio output S5 A 1 MIC select DYNAMIC CARBON ECM DYNAMIC S6 A 1 GND GND OPEN RV1 S2 S3 S4 S5 S6 A B C 1 2 SW 1189 BOARD A SIDE ...

Page 22: ...ENS TRIAX CABLE 1 or COAX CABLE TRIAX CABLE 1 1 35 COLOR VF BVF C10W 2 VF BVF 20W 20WCE 1 5 VF BVF 10 10CE COLOR VIDEO CAMERA BVP E10 E10P BVP E10WS E10WSP ELECTRONIC VIEWFINDER BVF 55 55CE CAMERA ADAPTOR 3 CA 570 570P 1 35 COLOR VF BVF C10W 2 VF BVF 20W 20WCE 1 5 VF BVF 10 10CE COLOR VIDEO CAMERA BVP E30 E30P BVP E30WS E30WSP 1 9 Instance of System Configuration 1 Triax cable length Fujikura cabl...

Page 23: ...OTE CONTROL UNIT RM B750 MONITOR FUNCTION VF DISP MENU SELECT MAINTENANCE VF MENU SCENE CANCEL PAINT ENTER ALARM PANEL ACTIVE MEMORY STICK STANDARD TEST BARS CLOSE AWB AUTO IRIS IRIS MB ACTIVE MASTER BLACK REMOTE CONTROL UNIT RM B750 EXT IRIS WHITE BLACK ABB VTR STAR OP 3 When the CA 570 570P 590 590P is connected with the CCU 550D 550DP use of intercom transmission channel is limited to only one ...

Page 24: ......

Page 25: ...o OFF center NETWORK SETTING is not used Changing Checking CCU CONFIGURATION MENU After performing steps 2 to 4 of 2 1 CCU CONFIGURA TION MENU enter CCU CONFIGURATION MENU and select an item to change or check the menu content 5 Set the CONTROL SELECT switch on the EN 156B board to ENTER with the CCU MENU screen displayed to enter CCU CONFIGURATION MENU 6 Push the _ switch on the EN 156B board to ...

Page 26: ...T2 SELECT 3 STEP BAR CHARA ON WHITE LEVEL 75 BLACK LEVEL 15 ASPECT FLAG 1 2 3 4 5 6 7 BAR CHARA SET C02 TOP 1 2 3 4 5 6 7 8 9 10 11 12 ALLL CLEAR 1 2 OUTPUT SELECT C00 TOP OUTPUT CAMERA BAR TEST1 TEST2 WFM ENC R G B SEQ R G G B R B RGB PIX ENC R G B R G G B R B RGB 1 2 3 C02 BAR CHARA SET 1 BAR CHARA SET SET THE CHARACTER ON THE CB 2 ALL CLEAR ALL CLEAR ESC and END can be selected when entry of ch...

Page 27: ... shift DOWN Cursor decrement left shift 1 Pressing UP shifts right the data editing position cursor by one step a When UP is pressed at the end of the data editing region 1 Pressing ENTER here resets the edited content and editing mode 2 Pressing DOWN returns the cursor to the end of the data editing region b When UP is pressed at ESC 1 Pressing ENTER here resets the editing mode while reflecting ...

Page 28: ...ng position cursor without changing mode DEL Deletes a character at the data editing position cursor without changing mode The following characters shift left by one character RET Resets the character entry mode As with CHANSEL character selection is not reflected 1 Pressing UP shifts right the character select cursor by one character BAR CHARA SET C TOP 1 1234 2 3 4 5 0123456789 ABCDEFGHIJKLMNOPQ...

Page 29: ...ONITOR OUTPUT C03 TOP LEVEL GATE OFF Y LEVEL1 54 54 0 Y LEVEL2 54 108 0 SKIN GATE OFF 0 MARKER 4 3 MODURATION 0 CHARACTER WHITE LEVEL 75 BLACK LEVEL 15 BAR CHARA MIX ON 1 7 9 2 3 4 6 8 0 5 C03 MONITOR OUTPUT 1 LEVEL GATE OFF 1 2 1 2 SKIN GATE ON 2 Y LEVEL1 AREA MIN 0 DATA Y LEVEL1 AREA MAX 3 Y LEVEL1 AREA MAX Y LEVEL1 AREA MIN Data 108 4 Y LEVEL1 LEVEL SETTING 99 5 Y LEVEL2 AREA THRESHOLD 0 DATA 1...

Page 30: ... 5 PROMPTER MODE REMOTE LOCAL 6 PROMPTER CCU CHU CHU CCU C05 AUDIO SET 1 CH1 60 50 40 30 20dB 2 CH2 60 50 40 30 20dB 3 EMBEDDED ON OFF AUDIO SET C05 TOP CHU MIC GAIN LOCAL CH1 60dB CH2 60dB MAIN SDI AUDIO EMBEDDED ON 1 2 3 GEN LOCK PHASE C06 TOP REFERENCE None GEN LOCK None PHASE CTL LOCAL H PHASE STEP 1 18 usec COARSE 0 SC PHASE 0 1 2 3 4 5 6 C06 GEN LOCK PHASE 1 REFERENCE EXT IN NONE 2 GEN LOCK ...

Page 31: ...6B board for two seconds 1 CLEAR ALL CLEAR OK ENTER ALL CLEAR COMPLETE 2 Y GAIN 99 3 B Y GAIN 99 4 R Y GAIN 99 5 Y DC 99 6 B Y DC 99 7 R Y DC 99 8 B Y DISTORTION 99 9 R Y DISTORTION 99 0 CHU H PHASE 99 TRIAX TEST OFF ON TRIAX VIDEOADJ C07 TOP LEVEL Y 0 B Y 14 R Y 08 BLACK Y 11 B Y 02 R Y 03 AXIS B Y 0 R Y 01 CHU H PHASE 01 TRIAX TEST OFF CLEAR 1 2 3 4 5 6 7 8 9 0 TRIAX VIDEOADJ C07 TOP LEVEL Y 0 B...

Page 32: ...T DATA ENTER 2 STORE STORE CCU ADJUST DATA ENTER 3 PRESET PRESET CCU ADJUST DATA ENTER C11 MENU SETTING 1 RESUME ON OFF 2 ALARM JUMP ON OFF 3 RE DIRECTION 4 CATEGORY STD RVS 5 PAGE STD RVS 6 ITEM STD RVS 7 DATA STD RVS ADJUST DATA C10 TOP RECALL STORE PRESET 1 2 3 MENU SETTING C11 TOP RESUME ON ALARM JUMP ON RE DIRECTION CATEGORY RVS PAGE STD ITEM RVS DATA STD 1 2 3 4 5 6 7 DISPLAY C12 TOP MESSAGE...

Page 33: ...HERS 2 2 1 TRUNK LINE OFF ON 2 TRUNK LINE SEL _ _ _ INCOM2 AUDIO2 C15 SERIAL NO SET 1 SERIAL NO SETTING OTHERS 2 2 C14 TOP TRUNK LINE OFF TRUNK LINE SEL 1 2 SERIAL NO SET C15 TOP SERIAL No 0010001 WRITE EDIT CANCEL SERIAL No 1 ...

Page 34: ...e engineer line Set the switches S207 ENG SELECT and S205 on the AU 295 board according to the intercom system to be used Factory setting 4 W RTS cancel adjustment If the system is in RTS intercom it is necessary to perform the following adjustments as well 1 Connect a headset to the INCOM connector on the front panel Complete the headset setting referring to 2 Setting the headset microphone descr...

Page 35: ...ted to the INCOM connector Select the intercom line connected to the INCOM connec tor by the switch on the front panel as follows To connect the producer line Set the PROD PRIV ENG switch to PROD To connect the engineer line Set the PROD PRIV ENG switch to ENG To connect only the camera Set the PROD PRIV ENG switch to PRIV When the switch is set to PRIV the external intercom line is deactivated an...

Page 36: ...t level adjustment from the MIC REMOTE connector The microphone input level control is set by pin 8 and pin 15 of the MIC REMOTE connector on the rear panel The microphone input level is controlled by pin 5 pin 6 and pin 7 of the MIC REMOTE connector Setting the microphone input level control Pin No Microphone connector 8 15 MIC IN CH 1 MIC IN CH 2 L L ON ON L H ON OFF H L OFF ON H H Internal sett...

Page 37: ...tment can be made from the CCU CONFIGURATION menu For such items perform basic adjustment with the switches and controls on the boards and fine adjustment with the CONFIGURATION menu For how to use the CONFIGURATION menu refer to Section 2 1 CCU CONFIGURATION MENU 2 4 1 Selecting the Input Output Signal Select the signal of the input and output connectors in accordance with the video system to be ...

Page 38: ...ard The phase can also be checked by the CCU CONFIGURA TION menu Adjusting on the AT 155B board AT 155B board 1 Set the REMOTE H SC switch on the AT 155B board to H or SC 2 Adjust the H phase and SC H phase with the _ switch To check the phase by the CCU CONFIGURATION menu 1 Open C06 page 2 The COARSE value of H PHASE and the SC PHASE value vary with the phase adjust switch on the AT 155B board Ad...

Page 39: ... to display the color bar signal on a waveform monitor or vectorscope 2 Adjust the color bar signal by the CCU CONFIGU RATION menu page C08 so that the signal meets the specified level Test points VBS 1 OUT connector CCU rear panel Specifications A 100 1 IRE for NTSC A 700 7 mV for PAL Specifications The beam spots for each color shall be positioned inside the corresponding frame 4 on the vectorsc...

Page 40: ... 2 3 4 DM 140 BOARD SIDE A 2 4 5 Adjusting the Triax Signal When the adjustment of the VBS signal level of the unit is finished adjust the triax signal Setting the cable compensation Set the cable compensation according to the length of the triax cable connecting the camera and CCU Automatic compensation is set at the factory To adjust the cable length compensation manually proceed as follows 1 Se...

Page 41: ...d level A using the CONFIGURATION menu LEVEL of WFM on page C08 Test point WF OUT connector CCU rear panel Specifications A 100 1 IRE for NTSC A 700 7 mV for PAL Adjusting the staircase signal Adjust the staircase signal for displaying the signal on the waveform monitor screen in sequential mode This adjustment is necessary only when the signal in sequential mode does not appear on the waveform mo...

Page 42: ...EL of PIX on page C08 Test point PIX OUT connector CCU rear panel Specifications A 100 1 IRE for NTSC A 700 7 mV for PAL 3 Extend the EN 156B board 4 Adjust the level A with 1RV304 on the EN 156B board 2 4 8 Adjusting the G Y B B Y R R Y Signal Level Adjust the level of the component signal Y R Y B Y or the RGB signal for chroma key function by the switch S701 OUTPUT on the EN 156B board using a c...

Page 43: ... OUT For PAL Y G OUT For NTSC B Y B OUT For PAL B Y B OUT D D D D D For NTSC R Y R OUT For PAL R Y R OUT When S701 RGB Test point Adj Point Specifications Rear panel Y G OUT RV106 R Y R OUT RV104 D 700 7 mV B Y B OUT RV105 When S701 RGB ...

Page 44: ......

Page 45: ...T 155B EN 156B IV 57B AU 295 TR 133B DM 140 MB 1011 VDA 62B CN 2506 CN 2546 CN 2649 CN 2516 DIF 148 CN 2474B IO 214 CN 2648 CN 2647 IF 943 SW 1189 Power unit Section 3 Service Overview 3 1 Location of Printed Wiring Boards ...

Page 46: ...ocking with the Y compensation circuit Cable Length Detector Circuit This circuit determines whether the amplitude of Y compensation circuit output is adequate for demodu lation or not If inadequate this circuit controls the Y R Y and B Y compensation circuits to add further compensation In order to determine whether compensation is adequate or not this circuit amplifies the Y compensation circuit...

Page 47: ...d is then sent to the AT 155B board The TONE signal transferred to the TONE detector circuit is used to control ON OFF of 180 VDC supplied from CCU 590 to the camera MIC1 2 Demodulator Circuit This circuit demodulates the MIC1 MIC2 signals transferred from the camera to CCU 590 The RF signal whose modulation frequency is 6 2 6 7 MHz passes through the BPF and is then demodulated by the FM demodula...

Page 48: ...nverted from balanced to unbalanced signal by IC204 and IC205 The input levels of the signals are selected 0 dB or _20 dB by S200 and 201 INCOM Switching Circuit This circuit switches INCOM lines on the CA side and the CCU 590 front panel side There are three types of INCOM lines PRODUCER line ENGINEER line external system and PRIVATE line isolated from the external system The switching control si...

Page 49: ...C303 where the H signal input from the H timing generator in the PLD IC304 is compared with the H phase of the CHU SYNC signal The difference is output to the TR 133B board as H CONT signal Analog RETURN VIDEO Signal The analog RETURN signal selected on the DIF 148 board is sent to the IV 57B board where its wave form level is adjusted by the video amplifier IC409 Then the signal passes through th...

Page 50: ...Processing Circuit RGB signals must be supplied as signals for optional front panel As described above the IC output is switched to either Y R Y B Y signals or RGB signals according to the setting of the CCU rear panel output signal When RGB is set RGB signals are output as they are but when Y R Y B Y is set a circuit to convert the IC output to RGB signals and output them is required This is set ...

Page 51: ...uding open short circuit alarm output of the Triax cable 700 Protocol The AT 155B board communicates with the camera BVP E30 etc and the external control panel RCP 750 751 etc through the 700 protocol interface using IC310 for communication with the camera and IC308 with the RCP The 27 MHz oscillation frequency is generated by X301 Another VCO different from the genlock circuit is used to prevent ...

Page 52: ...e for signal output based on the setting of the DIP switch on the EN 156B board The VBS signal passes through the LPF FL201 and is then input into the drive circuit composed of IC201 to IC205 The SDI signal is also input into the drive circuit comprising IC251 IC252 Q253 and Q254 However only one circuit for selected signal is activated by the SDI VBS selection signal that is input into Q202 and t...

Page 53: ... adjustment and setting 3 3 1 Service Action after Replacing the AT 155B Board Adjusting Setting 2 5 3 Adjusting the Phases of the Signals Adjusting the phase of the sync signal Adjusting using the AT 155B board of CCU 590 590P Adjusting the phase of the camera signals Setting the SERIAL No on C15 page of the CCU CONFIGURATION menu 3 3 2 Service Action after Replacing the Lithium Battery on the AT...

Page 54: ...and remove the DM 140 and TR 133B boards 3 Insert an extension board and attach the DM 140 and TR 133B boards to the extension board 3 4 2 Extending TR 133B Board 1 Open the front panel Refer to Section 3 5 step 1 2 Raise the levers and remove the DM 140 and TR 133B boards 3 Remove the two screws PWH3 x 6 and board spacer to detach the DM 140 board 4 Disconnect the three RF cables from the connect...

Page 55: ...ng three RF signal extension cables RF signal extension cable Sony Part No 1 830 369 11 Notes at installation Notes at installation Notes at installation Notes at installation Notes at installation Pay attention to the cable colors when connecting the RF cables 3 5 Removing Reinstalling the Top Cover 1 Loosen the two screws with stopper and open the front panel in the arrow direction 2 Remove the ...

Page 56: ... Refer to section 3 5 Remov ing the Top Cover 3 Remove the connector of the power supply unit 4 After replacement of the power supply unit assemble the power unit in the reverse procedure of removal 5 Connect the power cord turn on the power of the CCU 590 590P and confirm that the CCU 590 590P operates normally 3 Remove the top cover in the arrow direction 4 Reattach the top cover in the reverse ...

Page 57: ...g the Top Cover 3 Remove the power supply unit Refer to section 3 6 4 Remove the ten screws to detach the side panel 5 Remove the six screws and disconnect three connec tors J9 J10 J11 and remove the DC DC board 6 Remove the three screws and disconnect three connec tors and remove the AC DC board 7 After replacement of the board reinstall the power supply unit on the CCU 590 590P by reversing the ...

Page 58: ...rsing the steps above n Install a new fan correctly taking care of its label side and the harness position as shown in the figure 3 6 3 Replacing the Fuse w The fuse is critical for safe operation Be sure to replace it with the specified part to avoid the danger of a fire or electric shock When replacing be sure to use the specified part FUSE H B C 6 3 A 250 V 9 885 091 43 1 Unplug the power cord ...

Page 59: ... result from tears and leakage of fluid When replacing be sure to use the specified part BATTERY LITHIUM CR 2032 1 528 174 11 If the trouble below occurs when the CCU 590 590P is used replace the lithium battery on the AT 155B board Trouble When the date on C13 page of the CCU CONFIGURA TION menu is incorrect Replacement 1 Open the front panel and detach the cover Refer to Section 3 4 1 steps 1 an...

Page 60: ...nnector Flexible card wire Connector A A Flexible card wire B 3 8 Flexible Card Wire n Be careful not to bend the flexible card wires This short ens the wire life 3 8 1 Removing Reinstalling the Flexible Card Wires Removal 1 Slide the portion of the connector in the direction of the arrow A to release the lock 2 Remove the flexible card wire in the direction of the arrow B Reinstallation 1 Hold th...

Page 61: ...acing the EEPROM NV RAM AT 155B IC507 PLD Program for Write the PLD PLD internal Data Refer to Section 3 10 EN 156B IC106 PLD Program for Write the PLD IC502 EEPROM PLD internal data IC708 EEPROM Refer to Section 3 10 IV 57B IC307 PLD Program for Write the PLD IC306 EEPROM PLD internal data Refer to Section 3 10 AU 295 IC105 PLD Program for Write the PLD PLD internal data Refer to Section 3 10 SW ...

Page 62: ...ta This unit uses the PLD Programmable Logic Device that supports the e Production EPR system to write and rewrite the internal data If the part listed below needs to be replaced or to be upgraded contact your Sony Sales Office Service Center n The part number of PLD or ROM for PLD in which data is not written yet is shown in Section 1 Spare Parts of the MAINTENANCE MANUAL Volume 2 Therefore if pa...

Page 63: ...r switches of the CONTROL SELECT switch 6 Lighting of the POWER LED MAIN indicates completion of the program upgrade 7 Turn off the power and then remove the Memory Stick 3 11 Updating the Software Upgrading ROM Program Using Memory Stick The following describes the program upgrade procedure of the ROM on the AT 155B board using a Memory Stick Equipment Memory Stick commercially available Preparat...

Page 64: ...rts list may not be stocked Therefore the delivery date will be delayed 4 Harness Harnesses with no part number are not registered as spare parts In need of repair get components shown in the list and repair using them 3 14 Unleaded Solder Boards requiring use of unleaded solder are printed with a lead free mark LF indicating the solder contains no lead Caution Some printed circuit boards may not ...

Page 65: ...quipment Video camera Sony BVP E30 E30P Camera adapter Sony CA 590 590P Remote control unit RM B750 or RCP 750 751 4 1 2 Tools RF signal extension cable Sony Part No 1 830 369 11 Extension board EX 854 Sony Part No A 8344 228 A 4 1 3 Precautions for Adjustment Turn the adjustment variable resistor 1RV101 on the AT 155B board fully clockwise Do not turn the following filters on the DM 140 board in ...

Page 66: ...R VIDEO CAMERA BVP E30 E30P TRIAX CABLE Color monitor Waveform monitor Vectorscope 75 Z REF IN RET 1 IN OUT PUT Signal generator REF OUT SIGNAL OUT PIX 75 Z 75 Z Audio generator GND X Audio generator GND Y X Audio generator GND Y X Fig 2 Fig 3 600 Z GND 600 Z GND 600 Z GND Fig 1 4 1 4 Connection Audio connection ...

Page 67: ...arrier Balance Adjustment 4 5 5 C 1st AGC Adjustment 4 4 4 22 5 MHz VCO DC Set Adjustment 4 5 2 C VCO DC SET Adjustment 4 5 7 R Y DEMOD Carrier Balance Adjustment 4 5 4 B Y Crosstalk Adjustment 4 5 6 B Y OUT Level Adjustment 4 4 9 Y OFFSET Adjustment 4 4 11 Y Output Level Adjustment 4 7 1 RETURN VIDEO Carrier Frequency Adjustment 4 7 2 RETURN VIDEO Deviation Adjustment 4 5 8 R Y Crosstalk Adjustme...

Page 68: ...ory A Measuring instruments Waveform monitor Vectorscope EXT REF mode Extended board EN 156B board Preparation BARS button RM or RCP ON S701 1 VBS1 SDI1 EN 156B board OFF VBS S701 2 VBS2 SDI2 EN 156B board OFF VBS S701 3 VBS3 SDI3 EN 156B board OFF VBS S702 4 SET UP EN 156B board ON UC NTSC S702 4 SET UP EN 156B board OFF CE PAL Adjustment procedure 1 Measurement point VBS 1 OUT CCU rear panel Adj...

Page 69: ...y B Measuring instrument Waveform monitor Extended board EN 156B board Preparation BARS button RM or RCP ON Measurement point PIX OUT terminal CCU rear panel Adjustment point 1RV304 PIX VIDEO EN 156B board Specification A 100 1 IRE for NTSC A 700 7 mV for PAL A For NTSC For PAL A A For NTSC For PAL A CN902 E1 E2 E3 RV101 RV102 RV103 RV104 RV105 RV106 RV301 RV302 RV303 RV304 RV305 RV501 RV502 S301 ...

Page 70: ...RS button RM or RCP ON S701 4 RGB YCd EN 156B board ON YCd S702 1 G Y SYNC EN 156B board ON S702 4 SET UP EN 156B board ON UC NTSC S702 4 SET UP EN 156B board OFF CE PAL Measurement point Y G OUT terminal CCU rear panel Adjustment procedure EN 156B board Adjustment Specification point Y level adjustment 1RV106 A 100 1 IRE for NTSC A 700 7 mV for PAL 4 3 6 Y OUT Level Adjustment 2 Adjustment catego...

Page 71: ...oard EN 156B board Preparation BARS button RM or RCP ON S701 4 RGB YCd EN 156B board OFF RGB Adjustment procedure EN 156B board Measurement point Adjustment Specification Rear panel point R Y R OUT 1RV104 A 700 5 mV p p B Y B OUT 1RV105 B 700 5 mV p p Preparation S701 4 RGB YCd EN 156B board ON YCd Adjustment procedure EN 156B board Measurement point Adjustment Specification Rear panel point R Y R...

Page 72: ... POSITION EN 156B board 1RV302 STAIR CASE LEVEL EN 156B board Specification A 10 0 0 5 V p p 1RV302 B 0 0 5 V dc 1RV301 4 3 9 SDI FREQUENCY Adjustment Adjustment category A Measuring instrument Frequency counter Extended board EN 156B board Measurement point TP503 EN 156B board Preparation S701 1 VBS1 SDI1 EN 156B board ON SDI S703 3 FREE RUN EN 156B board ON Adjustment point 1RV501 EN 156B board ...

Page 73: ... Adjustment point 1LV501 DM 140 board Specification Maximize Level A 4 4 2 BLACK Pulse Width Adjustment Adjustment category B Measuring instrument Oscilloscope Extended board DM 140 board Measurement point TP502 GND E301 DM 140 board Adjustment point 1RV501 BLACK S H DM 140 board Specification T 1 7 0 1 us A H T 50 H E1 E101 E301 LV501 RV161 RV301 RV501 RV502 RV503 RV504 RV602 RV603 RV701 RV702 RV...

Page 74: ...z frequency on the MD 132B board CA 590 590P Measuring instrument Oscilloscope Extended board DM 140 board Measurement point TP602 GND E301 DM 140 board Adjustment point 1RV602 Y VCO DCSET DM 140 board Specification A 0 30 mV dc T 50 CN902 E1 E101 E301 LV501 RV161 RV301 RV501 RV502 RV503 RV504 RV601 RV602 RV603 RV701 RV702 RV801 RV802 RV803 RV804 RV805 RV901 RV902 RV903 S1 S101 S301 TP1 TP101 TP10...

Page 75: ... Specification T 800 10 us Adjustment TP503 Check after adjustment Check the number of TP504 sample pulses after adjust ing gate pulse width Check procedure TP504 for NTSC Check TP504 if there are 6 sample pulses in the odd field and also in the even field for PAL Check TP504 if there are 5 sample pulses in the odd field and also in the even field V 50 T CN902 E1 E101 E301 LV501 RV161 RV301 RV501 ...

Page 76: ...aration Turn the IRIS knob on RM or RCP to close BVP E30 E30P IRIS S101 Y 2nd AGC DM 140 board OFF Measurement point TP701 GND E1 DM 140 board Adjustment point 1RV701 Y CAR BAL DM 140 board Specification Maximize sample pulse wave form level Setting after adjustment S101 Y 2nd AGC DM 140 board ON A CN902 E1 E101 E301 LV501 RV161 RV301 RV501 RV502 RV503 RV504 RV601 RV602 RV603 RV701 RV702 RV801 RV8...

Page 77: ...nded board DM 140 board Preparation S1 CABLE LENGTH DM 140 board F AUTO S101 Y 2nd AGC DM 140 board OFF Measurement point TP701 GND E1 DM 140 board Adjustment point 1RV161 Y AGC CONT DM 140 board Specification A 1400 40 mV Setting after adjustment S101 Y 2nd AGC DM 140 board ON SYNC A BLKG CN902 E1 E101 E301 LV501 RV161 RV301 RV501 RV502 RV503 RV504 RV601 RV602 RV603 RV701 RV702 RV801 RV802 RV803 ...

Page 78: ...Carrier Level Adjustment Adjustment category B Measuring instrument Oscilloscope 20 MHz BW LIMIT OFF Extended board DM 140 board Measurement point TP803 GND E301 DM 140 board Adjustment point 1RV805 C CAR LEV DM 140 board Specification A 400 10 mV p p A CN902 E1 E101 E301 LV501 RV161 RV301 RV501 RV502 RV503 RV504 RV601 RV602 RV603 RV701 RV702 RV801 RV802 RV803 RV804 RV805 RV901 RV902 RV903 S1 S101...

Page 79: ...40 board Preparation S301 C 2nd AGC DM 140 board OFF Turn the IRIS knob on RM or RCP to close IRIS on BVP E30 E30P Measurement point TP801 GND E1 DM 140 board Adjustment point 1RV801 B Y CAR BAL DM 140 board Specification Maximize sample pulse wave form level Setting after adjustment S301 C 2nd AGC DM 140 board ON A GND CN902 E1 E101 E301 LV501 RV161 RV301 RV501 RV502 RV503 RV504 RV601 RV602 RV603...

Page 80: ...xtended board DM 140 board Preparation S1 CABLE LENGTH DM 140 board F AUTO S301 C 2nd AGC DM 140 board OFF Measurement point TP801 GND E1 DM 140 board Adjustment point 1RV301 C AGC CONT DM 140 board Specification A 700 20 mV Setting after adjustment S301 C 2nd AGC DM 140 board ON SYNC A BLKG CN902 E1 E101 E301 LV501 RV161 RV301 RV501 RV502 RV503 RV504 RV601 RV602 RV603 RV701 RV702 RV801 RV802 RV80...

Page 81: ...B Measuring instrument Oscilloscope Extended board DM 140 board Measurement point TP902 GND E301 DM 140 board Adjustment point 1RV901 R Y CAR BAL DM 140 board Specification Maximize the absolute value of negative DC voltage A CN902 E1 E101 E301 LV501 RV161 RV301 RV501 RV502 RV503 RV504 RV601 RV602 RV603 RV701 RV702 RV801 RV802 RV803 RV804 RV805 RV901 RV902 RV903 S1 S101 S301 TP1 TP101 TP102 TP301 ...

Page 82: ...vel Adjustment Adjustment category A Measuring instrument Oscilloscope Extended board DM 140 board Preparation S301 C 2nd AGC DM 140 board ON Measurement point TP901 GND E1 DM 140 board Adjustment point 1RV902 R Y LEVEL DM 140 board Specification A 700 10 mV A V CN902 E1 E101 E301 LV501 RV161 RV301 RV501 RV502 RV503 RV504 RV601 RV602 RV603 RV701 RV702 RV801 RV802 RV803 RV804 RV805 RV901 RV902 RV90...

Page 83: ...nt 1RV101 Y BLK IV 57B board Specification A 0 1 IRE for NTSC A 0 7 mV for PAL Setting after adjustment Push the STD button on RM or RCP 4 5 11 R Y B Y Black Balance Adjustment Adjustment category A Measuring instrument Vectorscope Extended board IV 57B board Preparation BARS button RM or RCP OFF Turn the IRIS control to close Turn the MASTER BLACK adjustment knob to _99 Measurement point VBS 1 OU...

Page 84: ...OL SELECT switch to ENTER to select TRIAX TEST Turn the _ switch to the _ side and set TRIAX TEST to ON When BARS is turned ON or OFF from RM or RCP in this state the CCU color bar or camera color bar is displayed Adjust the Y A D level and R Y B Y A D level of the IV board by equalizing the camera color bar output with the CCU color bar S101 S102 S103 S104 S105 S107 S108 TP102 TP103 TP104 E3 RV10...

Page 85: ...elect TRIAX TEST Turn the _ switch to the _ side and set TRIAX TEST to ON When BARS is turned ON or OFF from RM or RCP in this state the CCU color bar or camera color bar is displayed Adjust the Y A D level and R Y B Y A D level of the IV board by equalizing the camera color bar output with the CCU color bar S101 S102 S103 S104 S105 S107 S108 TP102 TP103 TP104 E3 RV101 RV102 RV103 RV104 RV105 RV10...

Page 86: ...7B board Specification A 1 00 0 02 V p p A 4 5 15 SDI RETURN Frequency Adjustment Adjustment category A Measuring instrument Frequency counter Extended board IV 57B board Preparation S102 4 FREE RUN IV 57B board ON FREE RUN Measurement point TP300 IV 57B board Adjustment point 1RV300 DI ADJ IV 57B board Specification 27 0 1 MHz Setting after adjustment S102 4 FREE RUN IV 57B board OFF RV101 RV102 ...

Page 87: ...ignal from the signal generator to the RET 3 input connector on the CCU rear panel Set to the RET 3 on the CA 590 590P rear panel Measurement point e17 GND d17 Extension board Adjustment point 1RV402 D RET IV 57B board Specification A 1 00 0 02 V p p RV101 RV102 RV103 RV104 RV105 RV106 RV300 RV401 RV402 S101 S102 S103 S104 S105 S106 S107 S108 TP101 TP102 TP103 TP104 TP300 TP401 E1 E2 E3 A B C D E ...

Page 88: ...3B board parts below 1LV1 LV21 LV41 LV61 LV81 LV101 D2 D22 D42 D62 D82 D102 Measuring instrument Frequency counter Extended board TR 133B board Adjustment procedure 1 Remove the IV 57B board 2 Power on the unit TR 133B board GND E100 Measurement Adjustment Specification point point PGM1 TP101 1LV101 4 300 0 005 MHz PGM2 TP81 1LV81 4 750 0 005 MHz INCOM1 TP41 1LV41 3 600 0 005 MHz INCOM2 TP61 1LV61...

Page 89: ...nal level at C642 on the TR 133B board becomes 200 mV p p 3 Connect the spectrum analyzer probe to the measure ment point Measurement point TP41 GND E100 TR 133B board Adjustment point 1RV41 INCOM 1 DEV TR 133B board Specification A B 6 0 0 4 kHz 4 6 3 PGM1 Deviation Adjustment Adjustment category C Measuring instruments Spectrum analyzer Oscillo scope Audio generator Extended board TR 133B board ...

Page 90: ...category C Measuring instruments Spectrum analyzer Oscillo scope Audio generator Extended board TR 133B board Preparation 1 Input 1 kHz sine wave signal from the audio generator to the pins 19 PGM 1 X 20 PGM 1 Y and 21 PGM 1 G on the INTERCOM TALLY PGM connector Dsub pin 25 of CCU rear panel Fig 1 Refer to 4 1 4 Audio Connection 2 Adjust audio generator output level so that the signal level at C44...

Page 91: ...COM1 connector XLR pin 5 of CA 590 590P Fig 1 Refer to 4 1 4 Audio Connection Measurement point TP601 GND E300 TR 133B board Adjustment procedure 1 Set the oscilloscope INPUT AC DC mode to DC and connect the probe to TP601 GND E300 on the TR 133B board Then turn slowly the 1LV601 7 1M TUNE 1 core up to 1 24 0 02 V dc while watching the oscilloscope screen 2 Set the oscilloscope INPUT AC DC mode to...

Page 92: ...loscope screen 2 Set the oscilloscope INPUT AC DC mode to AC and adjust the 1LV502 7 4M TUNE2 core to minimize the carrier 3 Perform steps 1 and 2 repeatedly to meet the specifica tions in 1 and 2 4 6 9 INCOM2 Level Adjustment Adjustment category B Measuring instruments Oscilloscope Audio generator Extended board TR 133B board Preparation Input 1 kHz 220 mV p p sine wave signal from the audio gene...

Page 93: ...r Fig 3 Refer to 4 1 4 Audio Connection Measurement point TP301 GND E300 TR 133B board Adjustment procedure 1 Connect the oscilloscope probe to TP301 GND E300 on the TR 133B board Then turn the 1LV301 6 2M TUNE1 core slowly to reach 1 24 0 01 V dc while watching the oscilloscope screen 2 Set the oscilloscope INPUT AC DC mode to AC and adjust the 1LV302 6 2M TUNE2 core to minimize the carrier 3 Per...

Page 94: ...reen 2 Set the oscilloscope INPUT AC DC mode to AC and adjust the 1LV402 6 7M TUNE2 core to minimize the carrier 3 Perform steps 1 and 2 repeatedly to meet the specifica tions in 1 and 2 4 6 13 MIC 2 Level Adjustment Adjustment category B Measuring instruments Oscilloscope Audio generator Extended board TR 133B board Preparation Input 1 kHz 2 2 mV p p _60 dBu sine wave signal from the audio genera...

Page 95: ... instrument Oscilloscope 20 MHz BW Limit ON Input mode DC Extended board TR 133B board Measurement point TP201 GND E1 TR 133B board Adjustment point 1LV201 5 6M TUNE TR 133B board Specification A 0 50 0 02 V dc 4 6 15 CHU TONE Adjustment Adjustment category C Measuring instrument Oscilloscope set to AC mode Extended board TR 133B board Measurement point TP202 GND E1 TR 133B board Adjustment point ...

Page 96: ...ment category C Measuring instruments Spectrum analyzer Video signal generator 10 STEP signal Extended board TR 133B board Preparation Input 1 0 V p p linearity signal 10 STEP to the RET 1 input terminal on the CCU rear panel Press the RET 1 switch on the CA 590 590P rear panel Measurement point TP701 GND E701 TR 133B board Adjustment point 1RV701 RET DEV TR 133B board Specification T 2 000 0 005 ...

Page 97: ...OMPT VIDEO Demodulation Adjustment Adjustment category C Notes Perform this adjustment only after replacing IC903 1LV901 PROMPT FREQ or 1LV902 PROMPT TUNE on the TR 133B board Use a TRIAX cable of 300 m or less for this adjustment The CA 590 590P shall have been adjusted properly Measuring instruments Waveform monitor Video signal generator sweep signal 10 STEP signal Extended board TR 133B board ...

Page 98: ...r the adjustment is completed Set S2 TX REM RX TR 133B board to TX and then to REM S1 Cable Length DM 140 board F AUTO unchanged Re set S301 on the DM 139B board of CA 590 590P to RX Disconnect the BNC cable from the PROMPTER terminal CN902 S1 S2 S363 E1 E101 E102 E300 E701 E801 LV101 LV201 LV301 LV302 LV401 LV402 LV601 LV602 LV901 LV902 RV101 RV201 RV301 RV401 RV41 RV601 RV701 RV801 RV901 RV902 T...

Page 99: ... DLY TR 133B board Adjustment procedure Turn slowly 1RV901 RF AGC DLY on the TR 133B board counterclockwise 3 from the maximum position and stop it at a position where each black portion of noise level A see figure below becomes minimal Excessive turn causes the SYNC level to deteriorate Note Perform the following after the adjustment is completed Set S2 TX REM RX on the TR 133B board to TX side w...

Page 100: ...put 10 STEP signal from the video signal generator to the PROMPTER terminal on the CA 590 590P side panel Adjustment procedure Adjust 1RV902 PROMPT LEVEL on the TR 133B board so that RET 2 PROMPTER video level becomes 1 00 0 03 V p p Note Perform the following after the adjustment is completed Set S2 TX REM RX on the TR 133B board to TX side with POWER ON and then to REM Re set S301 on the DM 139B...

Page 101: ...139B board of CA 590 590P to RX Measurement point TP801 GND E801 TR 133B board Adjustment point 1RV801 PROMPT DEV TR 133B board Specification A 25 3 Adjustment procedure Adjust 1RV801 so that the level A meets the specifi cation when the level B is set to 100 with the oscilloscope VAR adjustment knob Note Set the switch below after the adjustment is completed S1 Cable Length DM 140 board CCU F AUT...

Page 102: ... LEV on the AU 295 board so that TP202 signal level becomes 200 10 mV p p 4 9 2 SIDE TONE Adjustment Adjustment category C Measuring instruments Oscilloscope Audio generator Extended board AU 295 board Preparation S5 SW 1189 board ECM MIC switch CCU front panel MIC ON INCOM level adjustment knob CCU front panel Maximum Measurement point TP202 GND E1 AU 295 board Adjustment point 1RV102 SIDE TONE A...

Page 103: ...justment Adjustment category C Note Perform adjustment below when the intercom system employs RTS system Measuring instruments Oscilloscope Audio generator Extended board AU 295 board Preparation S5 SW 1189 board ECM MIC switch CCU front panel MIC ON INCOM PROG PRIV ENG switch SW 1189 board PROD S206 PROD SEL AU 295 board RTS S204 AU 295 board RTS Input 1 kHz 220 mV p p sine wave signal to the INC...

Page 104: ...t point Follow the steps below Note TP205 GND E1 and TP208 GND E1 AU 295 board Adjustment point 1RV201 AU 295 board A Adjustment procedure 1 Input 1 kHz 200 mV p p sine wave from the audio generator to e4 GND e5 on the extension board 2 Adjust 1RV201 so that TP205 signal level becomes A A 1100 50 mV 3 Connect the oscilloscope to TP208 and check that the signal level is 1100 100 mV p p CN902 RV100 ...

Page 105: ...w the steps below Note TP203 GND E1 and TP204 GND E1 AU 295 board Adjustment point 1RV200 AU 295 board A Adjustment procedure 1 Input 1 kHz 200 mV p p sine wave from the audio generator to a4 GND a5 on the extension board 2 Adjust 1RV200 so that TP203 signal level becomes A A 1100 50 mV 3 Connect the oscilloscope to TP204 and check that the signal level is 1100 100 mV p p CN902 RV100 RV101 RV102 R...

Page 106: ......

Page 107: ...riftliche Erlaubnis der Sony Corporation SAFETY CHECK OUT After correcting the original service problem perform the following safety checks before releasing the set to the customer Check the metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed...

Page 108: ...Printed in Japan Sony Corporation 2005 5 08 2005 CCU 590 UC CCU 590P CE E 9 968 167 01 ...

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