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Sony DPS-V77 - page 1
SERVICE MANUAL DPS-V77 US Model Canadian Model AEP Model Australian Model SPECIFICATIONS AID Converter DI A Converter Sampling Frequency Analog Input Jack type XLR-3-31 PHONE 1 Bit / 64 times oversampling (24 bit resolution) Advanced PULSE 0/ A converter (20 bit resolution) Analog input 48 kHz Digital input 44.1/48 kHz (auto-switching) reference ma ...
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Sony DPS-V77 - page 2
TABLE OF CONTENTS Section Title Page 1. GENERAL·····························································3 2. TEST MODE························································ 17 3. CLOCK CONSTRUCTION .... · ...... · ........ · ...
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Sony DPS-V77 - page 3
~ Getting Started Names and Functions of Parts Front panel 2 3 4 5 17 16 15 14 POWER ON/OFF switch Press this switch to turn the power on and off. Turning on the power on recalls the last used memorized effect and activates play mode automatically. 2 INPUT level adjustment knob Turn the knob to the left or right to adjust the input level. Adjustmen ...
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Sony DPS-V77 - page 4
~ Understanding the Signal Flow This unit takes in audio signals from two types of input jacks (digital and analog), processes them using various internal blocks, and outputs them through the analog and digital output jacks. To make the most of this unit, it is essential that you have a firm understanding of the audio signal flow. This section prov ...
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Sony DPS-V77 - page 5
U1 Analog IN/OUT and digitaliN/OUT This unit is provided with both analog and digital inputs and outputs, and you can use both of tilt'm at the same time. The input block in the SYSTEM: Setup menu lets you determine whether to usc the anall'g, the digital, or both the analog and the digital INPUT /OUTPUT jacks. Analog INPUT priority This ...
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Sony DPS-V77 - page 6
en Hooking Up 12EN • Before connecting this unit to another device, be sure to unplug the AC power cord from the power outlet. • Turn off the power switch on this unit and all components to be connected, such as keyboards and active speakers (speakers with built in amplifiers). • After all the connections, double check that the connections ar ...
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Sony DPS-V77 - page 7
........ Choosing an Effect Recalling Effects from the Memory The effector comes with 198 different effects stored in the preset memory as well as a 198 effect memory capacity for storing the effects you create. You can use the following procedure to select effects from either the preset memory or the user memory banks. POWER Level meter Memory num ...
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Sony DPS-V77 - page 8
ex> Choosing an Effect Morphing . When the structure is set to (MORPH) (see page 8 for details on the system structure, see page 19 to change the structure), the effector creates a seamless change between effects when you switch to other memory numbers whose structures are also set to (MORPH). Note The (,(kctor dOl'S not respond to any comm ...
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Sony DPS-V77 - page 9
(.C Processing Effects (EDIT) 5 18 fN Turn the operation dial to choose the setting you desire. i Operation dial To change numerical values Use the number buttons and ENTER to input the value you want dire(,tly. If you press the wrong number, input the number again before pressing ENTER. CDCDo:::J c::::D CIJ o::J CQ o::J CIJ CIJ + [ENTER I To chang ...
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Sony DPS-V77 - page 10
o Processing Effects (EDIT) . Editing in PLAY Mode (direct edit) With direct edit you can edit up to6 different parameters directly from th .. PLA Y scre<>n. TI,<'S€ parameters are called Active Parameters. The following steps show you how to edit from the play screen once you've designated the Active Parameters. To d<' ...
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Sony DPS-V77 - page 11
Saving Processed Effects (SAVE) Saving an Effect Effects created by changing the parameter values with the edit function can be stored in one of the two USER memory banks for later use. Each USER bank has room for 99 effects. so you can store up to 198 different effects The following procedure shows you how to store an effect in one of the USER mem ...
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Sony DPS-V77 - page 12
I'.;) Setting the System Environment In the system mode lets you set up the effector's operating environments. To go back to the previous screen during setup, press EXIT once. To return to the play mode after making adjustments, press EXIT a few times until you reach the PLAY screen. The following steps describe how to make changes in the ...
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Sony DPS-V77 - page 13
CA) Using MIDI You can use the MIDI interface to control various aspects of this unit For example, you can switch between memorized effects by using the program table, or save USER memory data onto an external storage device. In addition, MIDI controls, like wheels and velocity effect . controllers, can be used to control things like effect depth i ...
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Sony DPS-V77 - page 14
~ Additional Information Troubleshooting If this unit docs not operate as expected, the probl.em may simply be an oversight, a disconnected cable or a setting error. Before calling a service technician, Gom~)are the symptoms of the problem with those listed below to sec if you can correct the problem yourself. No sound is heard, or the sound is sma ...
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Sony DPS-V77 - page 15
Regarding the options Two types of digital I/O cables are separately sold. (Dedicated cables) CD RK-V77A • Connection cable for AES/EBU • No. 1-769-782-11 (i) RK-V77S • Connection cable for SPDIF • No. 1-769-783-11 * Outline of optional cables Special cables used when connecting DPS-V77 and a digital audio format. Depending on the type of t ...
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Sony DPS-V77 - page 16
Functional Hierarchy PLAY 1 AP (active paramet.er) 1 AP (active parameter) 2 AP (active parameter) 3 AP (active parameter) 4 AP (active parameter) 5 AP (active parameter) 6 SYSTEM EDIT SAVE EaA~~«, E Parameter n FX A --- same as above EQ B--- same as above FX B --- same as above Mixer 1 STRCT (structure) FX A (Effect A level) FX B (Effect B level) ...
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Sony DPS-V77 - page 17
SECTION 2 TEST MODE • This product uses a microcomputer and is equipped with a· MIDI interface for musical instruments and computers, and it has specifications that make possible rewriting of the internal memory with external MIDI equipment. Due to this, when required, the internal data can be rewritten by the use of external equipment, etc., an ...
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Sony DPS-V77 - page 18
Subject • Others 3. Inspection of each function (No.2) • LCD #1 • LCD #2 • LED 4. Completion of the inspection Operation and Display 5) Other checks • Other error messages are displayed in * 1. [DRAM1 ERR] or [DRAM2 ERR] Automatic inspection of the soldered bridge, etc., of IC601, IC602, IC603 is carried out. If this display appears, appl ...
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Sony DPS-V77 - page 19
[Regarding the clock source of this unit] SECTION 3 CLOCK CONSTRUCTION 1. The clock source for IC614.(CPU : HD6413002) is X601 (10 MHz). 2. The clock source for IC613 (Clock IC : NJU6355) is X603 (32.768 kHz). 3. The clock sources for the digital audio system (AID, D/A, DPS, etc.) are X301 (48.6 MHz) and X901 (12.288 MHz). [Regarding the clock of t ...
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Sony DPS-V77 - page 20
IC602, 604 CDX2707Q (DSP) Pin No. Pin name 1 EA9 2 ECO 3 VDD 4 Vss 5,6 ECl- 2 7-9 EA13 - 15 10 TST 11 TDR 12 BFOT 13 CLKO 14 CLKI 15 Vss 16 TSO 17 TS1 18 TSA 19 LRKO 20 LRK1 21 BCKO 22 BCK1 23 BCT 24 LCT 25 SIA 26 SIB 27 SIC 28 VDD 29 Vss 30 SOA 31 SOB 32 SOC 33 EClO 34 ECll 35 ECl2 36 ECJ3 37 REDY 38 TRDT 39 XLAT 40 Vss 41 SCK 42 RVDT 43 SCLO 44 S ...
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Sony DPS-V77 - page 21
Pin No. Pin name I/O Description 45 LROF 0 Test data output. Not used (OPEN) 46 LR1F 0 Test data output. Not used (OPEN) 47 XRST I System reset input. (Active "L") 48 EDO I/O External RAM data input/output. Not used (L level) 49 ED16 I/O External RAM data input/output. 50 ED1 I/O External RAM data input/output. Not used (L level) 51 ED17 ...
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Sony DPS-V77 - page 22
IC614 HD6413002F10 (MASTER CONTROLER) Pin No. Pin name I/O Description 1 Vee - Power supply. (+5V) 2-8 PBO - PB7 0 Key decorder matrix output. 9 PB7 0 Data enable output to parallel I/O (IC903). 10 RESO 0 Reset signal output. (Not used) 11 Vss - GND 12 TXDO 0 Serial data output for communications. 13 TXDI 0 Serial data output for communications. 14 ...
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Sony DPS-V77 - page 23
Pin No. Pin name I/O Description 66 EXTAL 0 System clock. (lOMHz) 67 XTAL I System clock. (lOMHz) 68 Vee - Power supply. 69 AS 0 Not used. 70 RD 0 Lead signal output to digital meter (lC605), gate alley (lC606), master program ROM (lC607) and master RAM (lC608, 609) 71 HWR 0 Upper rank byte light output to the digital meter (IC605), gate array (IC6 ...
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Sony DPS-V77 - page 24
SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM JI1I3 INf>OT ~ UNBALANCE£) IelOI BALANCE AMP RVI £I I lINPUTl IC103 ATT BUFFER 1[106 (1/2) leI 06 (212) ~ BLiFFER ..J'.. BYPASS AMP '---.JI ~ ,k ~ TT reI £1411/21 1[3£14 A/B CONVERTER I '" "W, I IC30b (1/2) Q3Q3. 3£14 I '" """ I I C306 11/2) (;1303,304 I ...
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Sony DPS-V77 - page 25
DPS-V77 • SEMICONDUCTOR LOCATION Ref. No. Location Ref. No. LocatIon Ref. No. Location 0301 H-3 IG106 E-2 0101 E-2 D302 H-4 IC107 E-3 Ql02 E-2 0601 8-12 IC:301 G - 11 0201 E-2 0602 D-5 IC302 G -10 Q202 E-2 0603 C-B IC303 I-tO Q301 , -4 0604 C - B IC304 H-2 Q302 , -4 0605 C-B IC305 , -2 Q303 H-4 0606 , C -12 IC308 H-4 Q304 H-4 Oea7 C-l1 IC307 G-5 ...
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Sony DPS-V77 - page 26
5-3. SCHEMATIC DIAGRAM (1/2) • Refer to page 43 for Ie Block Diagrams. A B c o E F G H J I( L M N o p 1 2 __ 1..!.2.L...... INPUT UNBALANCEil . 345 6 I I I 1leB011 ~r;s~1 1!i15lTAL 170' I 19l~ ··ir=·I=--·-=-··=~=· ._=_.-:::---:::-- -:::- .+-. ---f'ii'4 l.~.j ~.Ol "" '" - 33- 7 8 9 10 11 • WAVEFORMS CD ...
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Sony DPS-V77 - page 27
DPS-V77 5·4. SCHEMATIC DIAGRAM (2/2) 123 A B c D E F G H J K L u N a p Q R - 38- . em ,. , , "" "" Wr 0.1 § ! 1 E .. 29 '" Efl~ ..;' ., * '1.'1 em LROF ~ ,. - 39- c~ MAlN ~UAR~ (1/2) -~-- ,", .. , ~ MA [N EUAHB fl/21 ~-----+hr--------+--i~---------+---~+-+-~' - --~,~J , IE] , II I I I I I I & ...
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Sony DPS-V77 - page 28
• ICBLOCK DIAGRAMS IC304 CXD8493M-E1 t~---------------------------------------------------- ------------.., A!lND ~AP-B A.INl- ACAl VlT P£lML Ne Ne : : , . ' ... _- - - - ---- --- ------- - ----- --------- - - - - -- - - --- - ----- - -- -- - ---- -- -_. IC307 CXD8505AQ TESTZ 8FV8BZ OVBBL LI H LI (T) N a 0 > > z z r-----~·,01------f5 ...
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Sony DPS-V77 - page 29
IC610 SED1335FOB N '" "" In -0 "- co m 0 N '" :;: :;: « Ci> U -< « « « ;; -< ;; ~ Ci> ~ z > > > > > > > > > > VAS 1~ __________ ~--J---~~--~--~~~~--~--1 VA4 1)00--------1 YA3 3 )00---------1 VA2 4)00--------1 VAl COl X I~ IC611 LC3564SM-10-TRM VCC WE CE2 A8 AS All ~ ME ...
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Sony DPS-V77 - page 30
NOTE: • -XX, -X mean standardized parts, so they may have some difference from the original one. • The construction parts of an assembled part are indicated with a collation number in the remark column. 6-1. FRONT PANEL SECTION Ref. No. Part No. Description 1 2 3 4 5 6 7 8 9 10 4-973-987-01 KNOB (B) 4-973-995-02 STOPPER (B) 4-973-986-01 KNOB (A ...
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Sony DPS-V77 - page 31
6-2. CHASSIS SECTION Ref. No. Part No. Description 51 52 53 * 54 A55 4-941-142-01 KNOB (A) 4-941-136-01 KNOB (B) 4-922-921-21 BUTTON (POWER) 1-656-694-11 VOL BOARD 1-762-363-11 SWITCH, POWER (POWER) 1-537-770-21 TERMINAL BOARD, GROUND 4-875-327-01 HEAT SINK BB2 BB1 Remark 56 * 57 A58 A58 59 1-551-812-11 CORD, POWER (US,Canadian) 1-590-910-11 COR ...
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Sony DPS-V77 - page 32
SECTION 7 ELECTRICAL PARTS LIST 110 KEVIIENCOOERIILEOIIMAINI NOTE: • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX, -X mean standardized parts, so they may have some difference from the original one. • RESISTORS All resistors are in ohm ...
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Sony DPS-V77 - page 33
jMAINI Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C21S 1-136-1S3-00 FILM O. 01uF S% SOV C402 1-163-2S1-11 CERAMIC CHIP 100PF 5% SOV C217 1-126-049-11 ELECT 22uF 20% 2SV C403 1-163-2S1-11 CERAMIC CHIP 100PF S% SOV C218 1-126-049-11 ELECT 22uF 20% 2SV C408 1-110-339-11 MYLAR 220PF S% SOV C301 1-136-16S-00 FILM O. 1uF S% ...
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Sony DPS-V77 - page 34
IMAINI Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C636 1-163-239-11 CERAMIC CHIP 33PF 5% 50V C915 1-163-038-91 CERAMIC CHIP O. luF 25V C638 1-163-235-11 CERAMIC CHIP 22PF 5% 50V C916 1-163-038-91 CERAMIC CHIP O. luF 25V C639 1-163-235-11 CERAMIC CHIP 22PF 5% 50V C918 1-136-153-00 FILM O. 01uF 5% 50V C640 1-163-038-91 ...
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Sony DPS-V77 - page 35
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < FUSE > IC804 8-759-701-56 IC NJM78M05FA IC901 8-759-355-06 IC CS8412-CS &F801 1-532-215-00 FUSE, TIME-LAG (TO. 8A 250V) IC902 8-759-330-78 IC CS8402A-CS-E1 (AEP,Australian) IC903 8-759-191-15 IC M66009FP &F801 1-532-739-11 FUSE, GLASS TUBE (0. 8A 125V) IC904 8 ...
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Sony DPS-V77 - page 36
IMAINI Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TRANSISTOR > R1l7 1-260-008-11 CARBON MELF 10K 2% 1/8W Rll8 1-260-004-11 CARBON MELF 4. 7K 2% 1/8W QI0l 8-729-422-29 TRANSISTOR 2SD601A-S R1l9 1-259-979-11 CARBON MELF 47 2% 1/8W QI02 8-729-422-29 TRANSISTOR 2SD601A-S R120 1-259-979-11 CARBON MELF 47 2% 1/8W Q2 ...
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Sony DPS-V77 - page 37
IMAINI Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R320 1-216-017-91 METAL GLAZE 47 5% l/10W R516 1-216-254-00 CARBON MELF 220K 2% l/8W R322-324 R517 1-260-008-11 CARBON MELF 10K 2% l/8W 1-216-041-00 METAL CHIP 470 5% 1/10W R518 1-260-008-11 CARBON MELF 10K 2% 1/8W R325 1-216-017-91 METAL GLAZE 47 5% 1/10W R519 1-260-0 ...
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Sony DPS-V77 - page 38
IMAINI Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R656-682 R906 1-216-017-91 METAL GLAZE 47 5% 1/10W 1-216-041-00 METAL CHIP 470 5% 1/10W R907 1-216-033-00 METAL CHIP 220 5% 1/10W &R683 1-219-212-11 FUSIBLE 15 5% 1/8W F R908 1-216-033-00 METAL CHIP 220 5% 1/10W &R684 1-219-212-11 FUSIBLE 15 5% 1/8W F R909 1-21 ...
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Sony DPS-V77 - page 39
Ref. No. Part No. Description Remark < VIBRATOR > X301 1-760-032-11 VIBRATOR, CRYSTAL (48.6MHZ) X601 1-579-358-11 VIBLATOR, CRYSTAL (10MHZ) X603 1-567-098-41 VIBRATOR, CRYSTAL (32. 768KHZ) X901 1-567-908-11 VIBRATOR, CRYSTAL (12. 288MHZ) ************************************************************ * 1-656-690-11 PRIMARY BOARD itC1 itC2 itC3 i ...
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Sony DPS-V77 - page 40
DPS-V77 Ref. No. Part No. Description ******************** HARDWARE LIST ******************** #1 7-682-547-09 SCREW +BV 3 x 6, S TIGHT #2 7-682-247-09 SCREW +K 3x6 #3 7 -682-548-09 SCREW +BVTT 3 x 8 (S) #4 7-621-255-35 SCREW +P 2x5 #5 7-621-284-10 SCREW +P 2.6x5 #6 7-621-771-06 SCREW, LOCK #7 7-621-849-00 SCREW, TAPPING #8 7-682-661-01 SCREW +PS 4x ...
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Sony DPS-V77 - page 41
DPS-V77 SONY. SERVICE MANUAL US Model Canadian Model AEPModel Australian Model CORRECTION-1 Correct your service manual as shown below. Subject: CORRECTION OF PARTS LIST (RPC-97001) ~ : indicates corrected portion. Page Ref. No. Part No. 57 X901 1-567-908-11 9-960-369-91 INCORRECT Description Part No. VIBRATOR, CRYSTAL (12.288MHz) 1-567 -907 -11 ~ ...
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