Sony TA-P9000ES service manual IC PIN Function Description

Page 17

4-9. IC PIN FUNCTION DESCRIPTION

CONTROL BOARD IC801 TMP87C846N-4D22 (SYSTEM CONTROLLER)

Pin No.

Pin Name

I/O

Description

 

 

 

 

 

 

 

 

 

 

 

1

C6DBUP

O

Relay drive signal output for the +6 dB gain control (for CENTER input signal)

 

“H”: +6 dB on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

C12DBUP

O

Relay drive signal output for the +12 dB gain control (for CENTER input signal)

“H”: +12 dB on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

R6DBUP

O

Relay drive signal output for the +6 dB gain control (for REAR input signal) “H”: +6 dB on

 

 

 

 

 

 

 

4

R12DBUP

O

Relay drive signal output for the +12 dB gain control (for REAR input signal)

“H”: +12 dB on

 

 

 

 

 

 

 

5

MAINRY

O

Relay drive signal output for the power on/off control

“L”: standby mode, “H”: power on

 

 

 

 

 

 

 

6

OUTDRY

O

Relay drive signal output for the INPUT 1 or 2 signal

“L”: INPUT 2, “H”: INPUT 1

 

 

 

 

 

 

 

7

OUTCRY

O

Relay drive signal output for the output protect “L”: protect, “H”: releasing of

protect

 

 

 

 

 

 

 

8

OUTBRY

O

Relay drive signal output for the BYPASS 2ch input signal

“H”: BYPASS 2ch on

 

 

 

 

 

 

 

9

OUTARY

O

Relay drive signal output for the BYPASS 5.1ch input signal

“H”: BYPASS 5.1ch on

 

 

 

 

 

 

 

10

STANDBY LED

O

LED drive signal output of the STANDBY LED (D809) “L”: LED on

 

 

 

 

 

 

 

 

 

 

 

11

INPUT-1 LED

O

LED drive signal output of the input 1 LED (D810)

 

“L”: LED on

 

 

 

 

 

 

 

 

 

 

 

 

12

INPUT-2 LED

O

LED drive signal output of the input 2 LED (D811)

 

“L”: LED on

 

 

 

 

 

 

 

 

 

13

BP-5.1CH LED

O

LED drive signal output of the BYPASS 5.1ch input LED (D812)

“L”: LED on

 

 

 

 

 

 

 

 

14

BP-2CH LED

O

LED drive signal output of the BYPASS 2ch input LED (D813)

“L”: LED on

 

 

 

 

 

 

 

 

15

MUTE LED

O

LED drive signal output of the MUTING LED (LED on S802) “L”: LED on

 

 

 

 

 

 

 

 

 

16

VOL LED

O

LED drive signal output of the master volume LED (D815)

“L”: LED on

 

 

 

 

 

 

 

 

 

 

 

 

 

17

 

TEST

I

Test input terminal (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

 

RESET

I

System reset signal input from the reset signal generator (IC805)

“L”: reset

 

 

For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

 

XIN

I

Main system clock input terminal (8 MHz)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

XOUT

O

Main system clock output terminal (8 MHz)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

VSS

Ground terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

VAREF

I

Reference voltage (+5V) input terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23

 

SW4

I

INPUT SELECTOR switch (S801) input terminal

“H”: input 1

 

 

 

 

 

 

 

 

 

 

 

 

24

 

SW3

I

INPUT SELECTOR switch (S801) input terminal

“H”: input 2

 

 

 

25

 

SW2

I

INPUT SELECTOR switch (S801) input terminal

“H”: BYPASS 5.1ch input

 

 

 

 

 

 

 

 

26

 

SW1

I

INPUT SELECTOR switch (S801) input terminal

“H”: BYPASS 2ch input

 

 

 

 

 

 

 

27

 

MUTE

I

MUTING switch (S802) input terminal “L” is input when key pressing

 

 

 

 

 

 

 

28

W. GAIN

I

WOOFER LEVEL up switch (S805) input terminal

 

“L” is input when key pressing

 

 

 

 

 

 

29

R. GAIN

I

REAR L/R LEVEL up switch (S804) input terminal

 

“L” is input when key pressing

 

 

 

 

 

30

C. GAIN

I

CENTER LEVEL up switch (S803) input terminal

“L” is input when key pressing

 

 

 

 

 

 

 

31

W12DBUP

O

Relay drive signal output for the +12 dB gain control (for WOOFER

input signal)

“H”: +12 dB on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

W6DBUP

O

Relay drive signal output for the +6 dB gain control (for WOOFER

input signal)

“H”: +6 dB on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

33

 

A-1 IN

I

Sircs remote control signal input for the S-LINK control A1

 

 

 

 

 

 

 

 

 

 

 

 

34

A-1 OUT

O

Sircs remote control signal output for the S-LINK control A1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

35

 

I

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

 

 

36

 

SIRCS

I

Remote control signal input from the remote control receiver (IC804)

 

 

 

 

 

 

37

 

VOL+

O

Motor drive signal output to the volume motor drive (IC803) (volume up direction)

 

 

 

 

 

38

 

VOL–

O

Motor drive signal output to the volume motor drive (IC803) (volume down direction)

 

 

 

 

 

 

 

 

 

 

39

STOP IN

I

Trigger input terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

 

RCL

O

Serial clock signal output to the EEPROM (IC802)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

41

 

RDT

I/O

Two-way data bus with the EEPROM (IC802)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42

 

VDD

Power supply terminal (+5V)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

– 23 –

Image 17
Contents TA-P9000ES SpecificationsDiagrams Table of ContentsMulti Channel PRE Amplifier Serial no Made in Japan Section Servicing NotesSection General Front Panel Section Section DisassemblyCase Main Board Audio Section DiagramsCircuit Boards Location TA-P9000ES TA-P9000ES Schematic Diagram Main Board 2/2 Semiconductor Location TA-P9000ES TA-P9000ES Schematic Diagram Power Section IC Block Diagram Control Board IC803 BA6208 Control Board IC801 TMP87C846N-4D22 System Controller IC PIN Function DescriptionSection Exploded Views 4950-228-1 Button ASSY, Power BlackCase Section 12 4-211-466-01 Sheet A, Light Interception62 4-219-621-11 Plate P, Light Interception 57 4-219-621-21 Plate P, Light Interception60 4-219-621-01 Plate P, Light Interception Chassis Section CORD, Power AEP106 A-4419-502-A Control BOARD, Complete 110 A-4419-500-A Main BOARD, CompleteSection Electrical Parts List AC AC SW Control Control Eyeball LED Main Mylar Main4PF FET 2SK2145GTE85L CENTER, WooferCarbon FET 2SK208GR3Carbon Melf Main Master Volume MUT SUB Volume Power VOL LED Miscellaneous Accessories & Packing MaterialsCORD, Connection Audio MANUAL, Instruction ENGLISH, French

TA-P9000ES specifications

The Sony TA-P9000ES is a high-performance preamplifier that has become a coveted piece of equipment for audio enthusiasts. Designed with precision and sophistication, the TA-P9000ES is a part of Sony's prestigious ES (Elevated Standard) series, known for its commitment to superior sound quality and durability.

One of the main features of the TA-P9000ES is its robust construction. Encased in a solid chassis, this preamplifier is designed to minimize resonance and electromagnetic interference, ensuring the cleanest signal possible. This attention to build quality not only enhances durability but also contributes to the overall performance of the unit.

At the heart of the TA-P9000ES is its advanced audio circuitry. Utilizing premium components and meticulous engineering, it delivers an exceptional auditory experience, capturing the nuances of each note with precision. The preamplifier supports a wide frequency response, allowing users to enjoy high-fidelity sound across various genres of music.

The TA-P9000ES boasts multiple connectivity options, making it versatile for different setups. It features balanced XLR inputs and outputs, ensuring optimal signal integrity over long cable runs. Additionally, RCA connectors are available for traditional setups, catering to a broader range of audio systems. The inclusion of digital inputs, such as optical and coaxial, enhances its compatibility with modern devices, allowing seamless integration into home theatre systems or digital music sources.

Another standout characteristic is its control flexibility. The TA-P9000ES comes equipped with a remote control, enabling users to adjust settings from across the room with ease. Furthermore, it features a user-friendly interface that simplifies navigation and configuration for achieving the desired audio profile.

In terms of technologies, the TA-P9000ES incorporates advanced digital signal processing (DSP) capabilities, allowing for precise tuning of audio output. The unit also supports various surround sound formats, accommodating audiophiles who seek an immersive experience while watching movies or playing games.

In summary, the Sony TA-P9000ES is a flagship preamplifier that combines construction quality, advanced audio circuitry, diverse connectivity options, and modern technologies. Its dedication to sound fidelity and user experience makes it a desirable choice for anyone serious about high-quality audio. As part of the ES series, it not only meets but often exceeds the expectations of audiophiles.