Bell System Practices G13 Скачать руководство пользователя

Страница: 7 / 9

M•cr

IIUOSET

CORO

IGI

IB<I

T RMTR

CORD

IYI

(RI

(BKI

TERMIIAL

TRWTR

BO.lRO

TRANSMITTER

BOARO

ISS 3, SECTION 501-211-102

PRitfT£0 WIRING SOARD

RCVR

Fig. S-678 Handset, Schematic

MTR

POTENTIOMETER

BOARD

POT.

PLUG

RCVR

JACK

POTIENTIOWETER

RCVR BOARD

RCVR

•

._£_R�_j

Fig. 6--G7AR Handset, Schematic

Page 7

BSP S01-211·102-i03_1970-10·07.jpg Scanned by Frank Harrell, (Cowboy Frank)

Castle Rock, Colorado Mar02, 2012 22:08:46

Содержание G13

Страница 1: ...er board and a potentiometer assembly mounted in the handle Internal connections are made by a flexible circuit strip and plug in connectors 2 05 A single stage transistorized amplifier is located on the receiver board and amplifies the received signal A polarity guard circuit mounted on the transmitter board assures proper polarity of the de voltage supplied to the amplifier G7 Type Weak Speech 2...

Страница 2: ... connections are made by a flexible circuit strip and plug in connectors The cord connects to the terminal board in the transmitter cavity 2 12 The GSB handset replaces the GSA The transistorized amplifier and polarity guard units are mounted on a printed circuit board located in the receiver end of the handle G13 Type Impaired HeBring 2 13 The G13 type handset is similar to the G6B handset except...

Страница 3: ... 25Y3 or 25P4 respectively and connect dial and handset as shown in Table B 3 03 When connecting G6 or G8 type handsets to 1660 series MD telephone sets equipped with 26B MD or 26D MD card dialers install a 26F card dialer and connect dialer and handset as shown in Table B Schematics 3 04 Fig 3 through 9 show schematic diagrams of the amplifier type handsets 4 MAINTENANCE 4 01 M aintenance of G6 G...

Страница 4: ...ilable for field use If the original cordrequires replacement modify and install an H4CJ cord as follows 1 Carefully remove outer plastic covering on two white conductors with diagonal pliers Page 4 2 Tone out and identify one white conductor For identifying purposes loose knots may be tied in each end of this conductor designating it green The other white conductor then becomes yellow 3 Loop and ...

Страница 5: ...ne BK BK BK RR term on net w w w GN term on net 0 BK 0 BK 0 BK C term on net G W G W C term on net v v IR speakerphone lead 0 0 Tl speakerphone lead S BK RR term on net Connect these leads to spare terminals on network terminal hoard or key terminal as required POTENTIOMETER R3 G IYI SKI TERMINAL BOARD w R G G BK BKI _j PRINTED WIRING BOARD Ll I I CRI I L Fig 3 G6B Handset Schematic C6 BSP 501 211...

Страница 6: ...NNECT TO CONNECT TO TB4 TB2 R TR R Term 3 BK BB BK Term 5 y BBX W Term 8 G w Wt Term 7 Connect the Y handset lead to the W termi nal with the W lead going to terminal 2 of TB2 t Connect the G handset lead to the W termi nal with the W lead going to terminal 10 of TB2 TRANSMITTER BOARD RCVR JACK Fig 4 G6AR Hand el Schematic BSP 501 211 102 i03_1970 10 06 jpg Scanned by Frank Harrell Cowboy Frank Ca...

Страница 7: ... RCVR A R l I f I I I c J i I Tl f 1 y Ll Rl L2 l l C2 CJ f V 1 cs Cl I Fig S 678 Handset Schematic TRMTR UG PL POTENTIOMETER BOARD R2 POT PLUG I RCVR JACK POTIENTIOWETER RZ ln u RJ RCVR BOARD RCVR X I I B I I 11 5 _ _R _j l ii m Fig 6 G7AR Handset Schematic Page 7 BSP S01 211 102 i03_1970 10 07 jpg Scanned by Frank Harrell Cowboy Frank Castle Rock Colorado Mar02 2012 22 08 46 ...

Страница 8: ...OARD POT PLUG IWI IWI RCVR JACK RCVR BOARD fig 7 G8A Handset Schematic TERMINAL BOARD 0 w Ll POTENTIOMETER AND PUSH TO LISTEN SWITCH ASSEMBLY SEE NOTEI PRINTED WIRING BOARD I CRI I L _ J C5 R2 NOTE Tl CONTACTS a b BREAK BEFORE c d MAKE fig 8 G8B Handset Schematic SSP S01 211 102 i03_1970 10 08 jpg Scanned by Frank Harrell Cowboy Frank Castle Rock Colorado Mar 02 2012 22 09 09 RCVR I ti r J ...

Страница 9: ... L__ C J Rl Cl C2 CJ E 7 1 I A I I I I I I I l1 I CRI 1 L______j PRINTED WIRING BOARD lc6 Ql R2 lll T1 F cs NOTE COJTACTS b ClOSE FIRST AFTER COMTACT5 c d CLOSE CONTACTS a b OPEN Fig 9 G13A and G13B Handset Schematic BSP S01 211 102 i03_1970 10 09 jpg Scanned by Frank Harrell Cowboy Frank Castle Rock Colorado Mar 02 2012 22 09 28 l f RCVR A Page 9 9 Pages ...

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