SECTION 5 |
DIAGRAMS
IelOI
| BALANCE AMP |
|
| 1[106 (1/2) |
| leI 06 (212) |
| |
|
|
|
| ~ BLiFFER | ..J'.. | BYPASS AMP |
| |
|
|
|
|
|
| |||
|
|
|
|
| TT |
|
| |
|
| RVI £I I |
|
|
|
|
|
|
JI1I3 |
| lINPUTl | IC103 |
|
|
| 1[3£14 A/B CONVERTER |
|
| r | ATT BUFFER | reI £1411/21 |
|
| |||
INf>OT ~ |
|
| IC305 f11GITAL FILTER | |||||
|
|
|
|
| ||||
| ~ | ABC | AMP | """"'" ~ .........J |
| |||
UNBALANCE£) | UNB:~:~C2Ef) | OLD | ||||||
| AMP | ~ | ~ | I |
|
| ||
|
|
|
|
|
|
| C c |
|
I C306 11/2) |
| '""W, I |
|
|
|
| |
I '"(;1303,304""" I |
| IC30b (1/2) |
|
|
|
| |
| I Q3Q3. 3£14 |
|
|
|
| ||
](3£17 f)/A CONVERTER | I |
|
|
|
| ||
I | Vtl9 | J |
|
|
|
| |
' | XIN | ""' | , | ||||
~:; ~ | r~l>r~;.;:igw~' ~,'"~~" | "'" | ~ | !,'~;"'~" |
[[4£13 (\/Z)
BALANCE AMP
'Ii'
1[4D312/2)
BALANCE AMP
• CIRCUIT BOARD LOCATION
|
| . |
|
|
|
| ~ |
| ~~~~~ ~::t:+:;:::===l=t==3:~~~~~:~~~~~J | ~~+~,~~ | III |
|
| ||||||||
| J |
|
|
|
| ~1£1412/21 |
|
| Melt::: | 126 FSO (47 |
|
|
|
|
| '" |
|
| BUFFER | ||
|
|
|
|
| ABC AMP | L | 256 FSD fib |
|
|
|
|
|
|
|
| ||||||
r |
|
|
|
|
|
|
|
|
|
| I |
| I [gOg | ||||||||
|
| ~IGITAL |
|
|
|
| 5WlTCH |
|
| ||||||||||||
| 4 - |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| lEXTERNAL! |
|
|
|
|
|
|
|
|
|
______ |
| le901 |
| Met:::IN 19 |
|
|
|
|
|
|
|
|
|
| BYPASS |
|
|
| |||
|
| %ts;: | 9 RXP | SilATA | 20 |
|
| 1[903 | PARALLEL 10 |
|
|
|
|
|
| Q/,I S, 619 |
|
| !;]904,"eo905 | ||
|
| eBl |
|
|
|
|
|
|
|
|
|
|
|
| |||||||
h |
|
|
|
|
|
|
|
| rfi BO | BI ::p- |
|
|
|
|
|
|
|
|
| ||
T9D I |
|
|
|
| [e911 |
|
|
|
| IC9Q6 |
|
|
| IC907 |
|
|
| ||||
I |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
| CLOCK SELECTOR |
|
|
|
|
| ||||||||
|
|
|
|
|
| !INTERNAL! |
|
|
| PRES CALER |
|
|
| ||||||||
| 'IZl' |
|
| CS/FCK |
| SWI TCH |
|
|
| '" |
|
|
|
|
|
|
|
| |||
|
|
|
| f |
|
|
| I C914 |
|
|
|
|
|
|
|
|
|
|
| ||
~IZl ' |
|
|
|
|
|
|
| , | IC90S |
|
|
|
| t CLK | ,mIl |
| |||||
|
|
|
|
|
| MASTER""CLOCK GEN |
| IC2 | ZCI | II |
| ||||||||||
5 | !±l:5 |
|
|
|
| IC904 | CLK fl1VlflE |
| MASTER CLOCK &EN | IC; | ZC; | IQ | 1 |
|
|
|
| ||||
| CN90 I |
| legQ2 | CCK rl | ~ |
|
| ~1> | 4, :,~~ | ~~~ :p- |
| lC908 | IC910 | PLL | '" | ||||||
WIGlTAL I/o! |
| flllHTAL | OUT | I |
|
|
|
| |||||||||||||
|
|
| a901.903 | ||||||||||||||||||
|
|
|
| ||||||||||||||||||
| ' |
| 4B,6MH, |
|
| 1~2~i~~~Z | AB CONVERT | lllGITAL OUT | IL | ' | PBOUT | ||||||||||
|
|
|
|
| T |
|
|
|
|
|
|
| MCK SELECTOR | MCK SELECTOR |
|
|
|
|
|
I
I
I
JI04
| jif t"~;,~,;<~''':~~ | OUTPUT |
|
| |
|
| UNBALANCE£! |
1[404 (1/2) |
|
|
UNBALANCE AMP |
|
|
| 5102 |
|
| !LEVEL I~B, I |
|
DISPLAY PANEL, | PRIMARY board | |
LIQUID CRYSTAL | ||
|
|
|
| IC602 | flSP | +_ | I· | RAMO I |
| RAMI I |
| |||
|
| '. |
|
| S~!~~H |
| S\o/[TCH |
| |||||
|
|
|
|
|
|
|
| I |
| I |
| ||
|
|
|
|
|
|
|
|
|
|
|
| Qb 17 |
|
|
| " |
| ClK[ | [Cb06 GATE ARRAY |
|
|
|
|
|
|
| 3,25.24J. 21, 23. 2. 26,1 |
|
| " |
|
|
|
|
|
|
|
|
| ||
ICbOI URAM |
| .;, |
|
|
|
|
|
| {7 |
| {7 |
| |
|
|
|
|
|
|
|
|
|
| ||||
| . | .;, EBIi. |
| AI8:: ::~=:::;lll4 |
|
|
|
| |||||
| " |
|
|
|
|
|
|
|
| ||||
| t | ":1 |
|
| A4 | 47 |
|
| 10 | ||||
| , |
| H);! |
|
|
| |||||||
|
|
|
|
|
|
| AD - AI4 |
| AD - Al 4 |
| AO - At4 | ||
I/O 0 I,D?~:====~,,6:668 |
|
|
|
|
|
| I Cb07 | ~ XCE | IC608 | ~ XCE | I C609 | ||
I/O 15 | "3'.8 | 7,1. |
|
|
| 5,8 |
|
|
| SRAM |
| SRAM | |
| 4,0 | is |
|
|
| '.' |
|
| CO - 117 |
| CO ~ 117 |
| CO - £17 |
|
| " |
|
|
|
|
|
|
|
| |||
| 4 |
|
|
|
|
|
|
| I |
| |||
| 7', |
|
|
| '.' |
|
|
|
|
|
|
| |
|
| ~I |
|
|
|
|
|
|
|
|
|
| |
|
|
|
| f17 | 'f |
|
|
|
|
|
|
| |
|
| 'f |
|
| 61v:=;~=+================~=============1 |
|
|
|
|
|
| ||
|
| " |
|
|
| ,,~ |
|
|
|
|
|
|
|
|
|
|
|
| , |
|
|
|
|
|
|
|
1E~O
~o | I,S | 94 | Ef3 |
|
|
|
|
|
|
|
|
|
|
| ,H7 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
A3 | 21 V~======J 9;6 | E~4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
A4 | 2'41' | 9,9 | EA7 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
AS | '8 | 2 | ECO |
| " |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| J; | IC604 | BSP |
|
|
|
|
|
| SCKI |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
| SIA(I~ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
| ' | 5'11 ITCH | H | P4SIMUrE) |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
| SIB~l~ |
|
|
|
|
| MUTE | ~ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
lebO! f1RAM |
| " |
|
|
|
|
|
| .J |
|
| lC614 |
|
|
|
|
|
|
|
|
|
|
|
| I | ||||
|
|
| SIC |
|
|
|
|
|
|
|
|
| ,ec |
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
| " |
|
|
|
|
|
|
|
|
|
|
|
|
| PA497 | C=====:;l |
|
|
|
|
|
|
|
|
|
| CN601 | |
| 5 | 5.9 | E!l16 | CLK [ 14 |
|
|
|
|
|
|
|
|
|
|
|
| PM ::5 |
|
|
|
|
|
|
|
|
|
|
| IiITIDJ |
| ~ | 57 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
I/O 0 | ;;51' | 1: 6 | E!l31 | SOBOC, ~~'01 ===E~~J |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
~ | 1:.,1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
I/O 15 | "V:====::1'.' |
| SQA 3~ |
|
|
|
|
|
|
|
|
|
|
|
| I |
|
|
|
|
|
|
|
|
|
|
| I | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| 3,8 | (8 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| EXT AL ~ | ",b XbOl | ~ |
|
|
|
|
|
|
|
|
| |
| 4,0 | 71 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| XTAl ~ tOMH,' |
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
| 4 | 7,3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| I |
|
|
|
|
|
|
|
|
|
|
|
| '.' |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| iC61! |
|
|
|
|
|
|
|
|
|
| |
|
| '1 |
| RverSCK G'GI $==+====:'J' |
| IC605 | !l11)ITAl METER |
| !PEBAU | : ~~~~~~~~:~:::: | i |
| :::~~32.',',O,3'H' | ~ |
| , | rl :::::::: |
|
|
|
| m | |||||||
|
| " |
|
|
|
|
|
|
|
|
| ||||||||||||||||||
|
| '.3 |
|
|
| NeUSOI | f1902. | e90 t |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| " |
|
|
|
| iCH2 USER!!CHI | PRESET! |
| J601 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ' | + |
|
|
|
| ~ | L | L | I LC~C~~~~lE | I |
|
|
| +15V | __.:=~===~'III'I'I~ n tl | POO'(ERoo'FI~'IIiTCH | |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| o! |
|
|
|
|
| [C612 | RESET | REG r | JIl80L 8041 | I~ L |
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| T | ~ |
|
|
| 1 | 1 | - | 1C902 |
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
| ~ |
|
| ,{~D~'XRES | v INq>Q') | , |
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| , | , |
| .~EGRECT |
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ica03 | ~ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| +5V~ |
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ~ |
|
- 24- | - 25- | - 26- | - 27- |