Sony TL-HP90 Service Manual Download Page 11 | Manualshive

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11

TL-HP90

• IC BLOCK DIAGRAMS

IC101 TEA1112AT/C1.518

CURRENT

REFERENCE

LOW

VOLTAGE

CIRCUIT

LED

DRIVER

ATT

MICRO

MUTE

AGC

CIRCUIT

16

VCC

1

LN

2

SLPE

3

LED

4

REG

5

GAS

6

MMUTE

7

OTMF

8

MUTE

GAR

QR

VEE

MIC+

MIC-

IR

AGC

15

14

13

12

11

9

10

-VIN

4

3

2

7

8

5

1

6

+VIN

+VREF

CD

#A

#B

VOUT2

VOUT1

BIAS

V+

GND

IC102 NJM2149V-TE2

IC201 DBL5002

POWER

SUPPLY

AMP

OUT

HFI

HFO GND

LFO

LFI

RSL

VCC

HIGH

OSC

LOW OSC

8

7

6

5

1

2

3

4

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Summary of Contents for TL-HP90

Page 1: ...er Directories Headset TL DR0140 Dimension Cord Approx 7 ft 2m Dimension Plug 3 5 mm dia Mass Approx 0 88 oz 25 g without cord Receiver Type Open air dynamic Driver units 30 mm dia CCAW Voice coil Sensitivity 104 dB mW Impedance 24 Maximum input power 1000 mW IEC Microphone Type Close talking pipe microphone Unit Back electret condenser Output impedance Under 2 2 k Closed circuit voltage level 47 ...

Page 2: ...ide of a tantalum capacitor may be dam aged by heat Identifying the part Lamp Dialing keys HEADSET VOLUME TEL control RINGER LEVEL switch DIAL MODE switch HEADSET jack TEL DATA jack LINE jack AUDIO IN jack clip Headset Modular Setting up the phone Connect the phone 1Connect the telephone line cord supplied to the LINE jack and to a telephone outlet 2Connect the telephone line cord not supplied to ...

Page 3: ...e projection of the headset 2 Hang the headset hanger on the hook Note Do not hang the headset on as illustrationB 2 1 A B OFF RINGER LEVEL Making and receiving calls Making a call 1 Press TALK The lamp lights up You hear a dial tone 2 Dial a phone number 3 When you re done talking press TALK The lamp goes off DIAL MODE switch REDIAL PAUSE TONE FLASH RINGER LEVEL switch HOLD HEADSET VOLUME TEL P D...

Page 4: ...If you enter a wrong number start from the beginning Use the supplied directory to write down what you stored on the speed dialing numbers To store a number to be dialed via Private Branch Exchange PBX Before entering a phone number in step 3 do as follows 1 Enter the outside line access digit e g 9 2 Press REDIAL PAUSE To change a stored number Store a new number as described above and the old nu...

Page 5: ...iven 3 Connector 4 pin CN301 1 Screw BTP3X10 1 Screw BTP3X10 1 Screw BTP3X10 2 Connector 3 pin CN101 4 Connector 14 pin CN401 Case upper Case lower 5 2 2 MAIN BOARD Case upper Volume board key board Main board Case lower Set 1 Screws BTP2 6X8 4 Screws BTP2 6X8 3 Connector 2 pin CN201 Holder jack Main board Case lower 2 5 ...

Page 6: ...6 TL HP90 2 3 VOLUME BOARD KEY BOARD 4 Screws BTP2 6X8 2 Screws BTP2 6X8 5 3 1 Key board Case upper Knob VOL Volume board ...

Page 7: ... PO CONTROL DETECT LINE TEL DATA H L OFF BELL RINGER DRIVE AUDIO IN HEADSET SWITCH IC201 HOOK SWITCH Q101 102 NETWORK IC101 ATT DRIVEER LED AGC AGC VDD HEADSET VOLUME TEL RV151 MUTE Q161 MUTE IC102 Q162 IC301 VDD1 S367 S351 365 MATRIX 10 KEYS D CK PR Q CL Q IC401 DETECT IC401 HOOK HOLD 1 2 2 2 DELAY GATE SWITCH Q501 502 D503 Q503 D501 SWITCH Q403 TV OR OR OR OR OR OR LED TV VDD1 VDD Q421 TV IC601 ...

Page 8: ... 1SR139 400 T32 1SR139 400 T32 0 022 0 01 470k 2SA1776TV2Q 4 7k 33k 100k 1000p 0 22 50V RD12FB21W 1000p 470k 1SS355 1SS355 680k 22 25V 47k 10k 680k 0 01 1000p 1M 1M 0 01 1M 220p 220p 220p 220p 1k 1k 10k 1M 0 1 1000p 1M 1M 1M RB751V 40 1000p 1000p 1SS355 RB751V 40 1SS355 RD5 1JS T1AB1 22 25V 0 1 470k 22k 47k 0 01 1M 1SR139 400 T32 1M RB751V 40 0 1 RB751V 40 0 0 RB751V 40 1SS355 3 3M 3 3M 470k 0 01 ...

Page 9: ...IC301 1 14 1 5 15 12 CN401 22 20 10 11 R421 R422 D403 C109 C501 D101 D102 D108 D204 IC201 D303 D103 D104 D402 E C B Q421 E C B Q101 E C B Q102 RV151 HEADSET VOLUME TEL 1 6 5 10 A B KEY BOARD KEY BOARD BZ1 BUZZER VOLUME BOARD D202 1 6 D203 1 4 11 11 1 681 409 MAIN BOARD SIDE A C402 C321 C122 C415 C412 C604 C303 C504 C115 C135 R207 S201 S301 S201 RINGER LEVEL H L OFF R311 R408 R300 R301 R173 R172 R4...

Page 10: ...en with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path N RX O TX P bell 3 9Vp p 280nsec 11 11 1 681 411 S452 HOLD S365 REDIAL PAUSE S357 FLASH S361 SPEED DIAL S362 TONE S363 0 OPER S364 S358 7 P...

Page 11: ...TT MICRO MUTE AGC CIRCUIT 16 VCC 1 LN 2 SLPE 3 LED 4 REG 5 GAS 6 MMUTE 7 OTMF 8 MUTE GAR QR VEE MIC MIC IR AGC 15 14 13 12 11 9 10 VIN 4 3 2 7 8 5 1 6 VIN VREF CD A B VOUT2 VOUT1 BIAS V GND IC102 NJM2149V TE2 IC201 DBL5002 POWER SUPPLY AMP OUT HFI HFO GND LFO LFI RSL VCC HIGH OSC LOW OSC 8 7 6 5 1 2 3 4 ...

Page 12: ... 20 R3 19 R2 18 R1 17 MODE 16 DTMF 15 PO 14 HKS 13 VDD 12 HFO 1 HDI 2 C1 3 C2 4 C3 5 C4 7 OSC IN 8 OSD OUT 9 MUTE 10 VSS 11 HFI 6 C5 VDD VDD ROW COLUMN PROGRAMMING COUNTER OUTPUT INTERFACE CIRCUIT INPUT INTERFACE CIRCUIT ROW INTERFACE CIRCUIT SAVE MEMORY MEMORY DECODER DATA LATCH PULSE GENERATOR D A CONVERTER ...

Page 13: ...and packing materials are given in the last of this parts list 10 BZ1 11 12 13 14 4 4 17 15 16 4 4 4 5 7 6 3 2 1 16 17 8 9 1 3 229 140 01 CASE LOWER 2 A 3062 414 A MAIN BOARD COMPLETE 3 3 229 147 01 HOLDER JACK 4 7 685 534 19 SCREW BTP 2 6X8 TYPE2 N S 5 1 681 410 11 VOLUME BOARD 6 3 229 142 01 KEY 4 GANG 7 3 229 144 01 KNOB HOLD 8 3 229 139 01 CASE UPPER 9 3 229 148 01 LENS LED 10 3 229 143 01 KNO...

Page 14: ... 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C161 1 164 156 11 CERAMIC CHIP 0 1uF 25V C163 1 164 156 11 CERAMIC CHIP 0 1uF 25V C164 1 164 156 11 CERAMIC CHIP 0 1uF 25V C166 1 115 156 11 CERAMIC CHIP 1uF 10V C167 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C168 1 162 927 11 CERAMIC CHIP 100PF 5 50V C169 1 104 664 11 ELECT 47uF 20 10V C171 1 164 156 11 CERAMIC CHIP 0 1uF 25V C172 1 126 935 11 ELECT 470u...

Page 15: ...19 66 PHOTO COUPLER PS7141L 1B E3 JACK J101 1 785 368 11 JACK HEADSET J601 1 566 822 21 JACK AUDIO IN COIL L101 1 424 808 11 INDUCTOR 0uH MODULAR JACK MJ101 1 770 484 41 JACK MODULAR 4C 6P MJ102 1 770 484 41 JACK MODULAR 4C 6P TRANSISTOR Q101 8 729 045 65 TRANSISTOR 2SA1776TV2Q Q102 8 729 045 47 TRANSISTOR 2SC4620TV2Q Q103 8 729 120 28 TRANSISTOR 2SC1623 L5L6 Q104 8 729 120 28 TRANSISTOR 2SC1623 L...

Page 16: ... 5 1 16W R409 1 216 857 11 METAL CHIP 1M 5 1 16W R410 1 216 864 11 METAL CHIP 0 5 1 16W R411 1 216 857 11 METAL CHIP 1M 5 1 16W R412 1 216 857 11 METAL CHIP 1M 5 1 16W R413 1 216 857 11 METAL CHIP 1M 5 1 16W R414 1 216 857 11 METAL CHIP 1M 5 1 16W R421 1 249 425 11 CARBON 4 7K 5 1 4W F R422 1 249 437 11 CARBON 47K 5 1 4W R423 1 216 853 11 METAL CHIP 470K 5 1 16W R431 1 216 845 11 METAL CHIP 100K 5...

Page 17: ...17 TL HP90 ...

Page 18: ...cking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2001 04 New TL HP90 ...

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