Sansui AV 8800 DSP Service Manual

Page 1

IlSANSUI

AV-QOOODSP
AV-BBOODSP

SERVICE MANUAL

HSANSUI mam-wwmwu in again.

5 a"-
A/V SURROUND AMPLIFIER '---J
CAUTION (fig)

safety,

manufacturer,
2. Make leakage~current for resistance

customer.

1. Parts identified the A symbol on the schematic diagram and the parts list are critical for

Use only replacement parts that have critical characteristics recommended by the

are acceptably insulated from the supply circuit before returning the appliance to the

AEDDDHTlAEfiBfldEL figfiéfififi§§fimlfl EEEEEEHC?
CHBUDéBEaéQiQEEJBfilCIX. M'éEEEHEEBEJEEFEUCTél/L

measurements to determine that exposed parts

- Design and specifications subject to changes without no-
ties for improvements

~ Due to local laws and regulations, this unit sold in some
areas are not equipped with variable voltage selectors.

~ ZWMJEIERUliiiOD-EEIEI.ESI§®EUD§%E E: C CDE V) as.

Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.

~ "DOLBY" and the doubleAD symbol II] are trademarks of
Dolby Laboratories Licensing Corporation.

~ FJl/E-, D O L B Y&U§7JDD§E%HJI3. Flt/E-
571? '3 NJ f-XittzyiJDZI-TliU-Da )0)
fififigfig.

Xfila. Flbtifi57ii'3 i~ U 4 -15{EJJJUJ-
Tlilz- 3 El JDBUJEDEEICEEEEEH'Cmié'.

Notice

The symbols, 00, SS. EU, GE, and XX on the Parts list and
the schematic diagram mean followings respectively.
OO ........... Manufactured for Japanese market.
oneesmgtace OO @V-DDDl/chifi.
SS ..... Manufactured for Saudi Arabian market.
EU .Manufactured for European market.
GE ........... Manufactured for FR. Germany market.
XXlEXPORT) . ..Standard Version.
NON MARK... ..Common Parts.
V-Omfibluflfi'flagfflfijlfi-tififg.

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- M889765A-144 (System Control)

A SOOODSP/BBOODSP

Pin No. [/0 Function Active Pin No. IIO Function Active
1 I AIF1 ME. IN (L+R) 40 GND
2 I A|F2 A.|.F. IN (L-R) 41 | DISPLAY CONTROL MODE
3 I GND 42 GND
4 AVCC 43 o SYSTEM MUTE H
5 AW 44 o SPEAKER RELAY REAR L
6 AVss 45 o SPEAKER RELAY CENTER L
7 I KEYo 46 O SPEAKER RELAY FRONT L
e I KEY1 47 o SEL-B £4052 VIDEO SELECTOR
9 I KEY2 4a 0 SEL»A §
10 I KEYS 49 o INHA1 :
11 I REMOTE IN 50 O SEL-D E4052 VIDEO REC
12 I MODE H 51 o SEL-C : SELECTOR
13 o XTAL 52 o |NH»2
14 I XTAL 53 O SEL~E 4053 8/0 SWITCH
15 V53 54 o INH-a i
16 I RESET 55 VCC
17 O LED0 LD H 56 I S TERMINAL SW V-AUX H
18 O LED1 CD H 57 I STERMINAL SW VIDE02 H
19 O LED2 VIDEO1 H 58 I s TERMINAL SW VIDEO1 H
20 o LED3 PHONO H 59 I s TERMINAL SW LD H
21 o LED4 VIDE02 H 60 GND
22 o LED5 TUNER H 61 0 VIDE02 REC MUTE OUT L
23 O LED6 V-AUX H 62 o CLK-A :CENTER/TONE/SURROUND
24 o LED7 AUX H 63 0 DATA~A3VOLUME CONTROL
25 O LEDS TAPE2/MON H 64 0 CE LC7821/7822 (SELECTOR)
25 O LED9 TAPE1 H 65 O FL M66004 RESET OUT
27 o LED10 STANDBY H as O STB FL M66004 CS
25 I HOLD POWER IN CHECK L 57 O STB OSD M50554 CS
29 O 588 OUT 68 o DATA-v; FUOSD CONTROL
so 0 TUNER PARALLEL OUT REQ L 59 O CLK-V E
31 O TUNER PARALLEL OUT DATA H 70 o WCK
32 O B-DECK PAUSE OUT 71 0 CD YSS-215 CONTROL
33 72 o BCK E
34 0 POWER OUT 74 0 VOLUME DOWN i MOTOR VR
35 I OSD NTSC/PAL IN NTSC:H 75 0 VOLUME UP
PAL:L 76 O STBa-A T09213(CENTER VOLUME)
36 GND 77 O STB4-A T09213(REAR VOLUME)
37 I DIMMER1 78 O STB4-A T091629163(SELECT0R)
35 I DIMMER2 79 o STB2-A T09184(TONE)
39 GND 80 I PROTECTER IN
- KEY MATRIX
K0 K1 K2 K3 K4 K5 K6
AN3 7p LD _VIDEO1 VIDE02 I V-AUX TAPE2 > LOUDNESS
AN4 8p CD PHONO TUNER AUX DEFEAT < S. DIRECT
AN5 9p 5. PARAM. TONE V1 REC 20H TAPE1 v
AN6 10p PR0 LOGIC THEATER CINCERT A.I.F. SURROUND A POWER

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