L922 AV8 Video Circuit

VID RGB YUV video mux

VID RGB YUV video mux.SCH

OSD R

 

OSD R

 

OSD G

OSD G

 

 

OSD B

OSD B

 

 

OSD Y

OSD Y

 

 

CLAMP_ON

CLAMP_ON

 

 

RGB MUTE

RGB MUTE

 

OSD G TTL

 

OSD G TTL

 

 

OSD B TTL

 

 

 

OSD B TTL

 

 

 

BLACK CLAMP

 

 

 

BLACK CLAMP

 

 

 

CHAR OUT

 

 

 

CHAR OUT

 

 

 

Y/G 2V

 

 

 

Y/G 2V

 

 

 

FAST BLANKING

 

 

 

FAST BLANKING

 

 

 

 

 

 

 

 

 

 

RGB/YUV INPUT SEL 1

 

RGB/YUV INPUT SEL 1

 

RGB/YUV INPUT SEL

 

RGB/YUV INPUT SEL

 

 

OSD RGB/YUV SEL

 

OSD RGB/YUV SEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VID SVideo mux

 

 

 

 

 

 

 

VID SVideo mux.sch

 

 

 

 

 

 

 

OSD RGB/YUV SEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RGB/YUV INPUT SEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RGB/YUV INPUT SEL 1

 

 

 

 

 

 

 

 

SYNC ON GREEN

 

 

 

SYNC ON GREEN

 

 

 

OSD MUX A

 

 

 

OSD MUX A

 

 

 

OSD MUX B

 

 

 

OSD MUX B

 

 

 

OSD MUX C

 

 

 

OSD MUX C

 

 

 

OSD MUX D

 

 

 

OSD MUX D

 

 

 

OSD MUX E

 

 

 

OSD MUX E

 

 

 

 

 

 

 

 

 

 

RGB MUTE

 

 

 

 

 

 

 

 

VIDEO SERIAL DATA

VIDEO SERIAL DATA

 

 

VIDEO SERIAL CLK

 

VIDEO SERIAL CLK

 

 

VIDEO SVID LATCH

VIDEO SVID LATCH

 

 

SVIDEO Y

 

 

SVIDEO Y

 

 

 

SVIDEO C

 

 

SVIDEO C

 

 

 

SVIDEO MUTE

 

 

SVIDEO MUTE

 

 

 

 

 

 

 

 

 

 

SCART CTRL 0

 

SK0

 

 

SK1

 

 

SCART CTRL 1

 

 

 

SK2

 

 

SCART CTRL 2

 

 

 

SK3

 

 

SCART CTRL 3

 

 

 

SK4

 

 

SCART CTRL 4

 

 

 

SK5

 

 

SCART CTRL 5

 

 

 

SK6

 

 

SCART CTRL 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VID Zone2 OSD

VID Zone2 OSD.sch

Zone2 OSD CLK

 

Zone2 OSD CLK

 

 

 

 

VIDEO SERIAL DATA

 

VIDEO SERIAL DATA

VIDEO SERIAL CLK

 

VIDEO SERIAL CLK

VIDEO ZONE2 CS

 

VIDEO ZONE2 CS

 

Zone2 video OSD 2V

 

Zone2 video OSD 2V

 

Zone2 video 2V

 

Zone2 video 2V

VSYNC ZONE2

 

VSYNC ZONE2

ZONE2 VIDEO IN PRESENT

 

ZONE2 VIDEO IN PRESENT

 

 

 

 

 

 

 

VID On Screen Display

 

 

 

 

 

 

 

 

VID On Screen Display.Sch

 

 

 

 

 

 

 

 

OSD R

 

 

 

 

 

 

 

 

OSD G

 

 

 

 

4 SKP2

 

 

OSD B

 

 

 

 

 

 

 

 

 

 

5

L

 

 

 

 

 

SKP1

 

 

 

 

 

 

 

 

 

 

 

SYNC ON GREEN

 

 

1

 

2

LHC

 

 

OSD G TTL

 

 

2

 

3

RHC

 

 

OSD B TTL

 

 

3

 

1

 

 

 

 

 

4

 

 

 

 

 

COMP SYNC

 

 

 

 

HPSKT

 

 

 

 

5

 

6

 

 

CHAR OUT

 

 

 

 

 

 

 

 

 

 

7

 

 

BLACK CLAMP

Y/G 2V

 

 

AMPCT5

 

R

 

BLACK CLAMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CP1

CP2

CP3

 

 

 

 

 

 

 

 

1N 0805

 

 

 

 

 

100P NPO 0805100P NPO 0805

 

 

 

 

 

 

PHONES SKT BOARD

 

 

HPCHASSIS

 

 

 

 

 

 

 

 

 

 

OSD MUX A

 

 

 

 

 

 

 

 

OSD MUX B

 

 

 

 

 

 

 

 

OSD MUX C

 

 

 

 

 

 

 

 

OSD MUX D

 

 

 

 

 

 

 

 

OSD MUX E

 

 

 

 

 

 

Zone2 OSD CLK

 

Zone2 OSD CLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SVIDEO Y

 

 

 

 

 

 

 

 

 

PAL NTSC

PAL NTSC

 

 

 

 

 

OSD VIDEO IN PRESENT

 

ZONE2 PAL NTSC

 

 

 

 

 

OSD VIDEO IN PRESENT

ZONE2 PAL NTSC

 

 

 

 

 

 

 

 

 

 

 

 

 

VSYNC

 

 

 

 

 

 

 

 

FAST BLANKING

 

VIDEO SERIAL DATA

 

 

 

 

 

 

Comp Video 2V

VIDEO SERIAL DATA

 

 

 

 

 

 

VIDEO SERIAL CLK

 

 

 

 

 

 

OSD CVBS

VIDEO SERIAL CLK

 

 

 

 

 

 

VIDEO OSD CS

 

 

 

 

 

 

OSD Y

VIDEO OSD CS

 

 

 

 

 

 

 

 

 

 

 

 

 

OSD C

 

 

 

 

 

 

 

 

 

 

 

 

 

VID SPDIF RXTX

 

 

 

 

 

 

 

VID SPDIF RXTX.Sch

 

 

 

VIDEO SVID LATCH

 

 

 

 

 

 

 

VIDEO ZONE2 CS

 

 

 

 

 

OSD C

 

 

 

 

 

PAL NTSC

 

 

 

 

 

 

 

 

 

 

VID Svideo CVBS OSD insert

 

 

 

 

 

ZONE2 PAL NTSC

 

 

 

 

 

 

 

 

 

 

VID Svideo CVBS OSD insert.Sch

 

 

 

 

 

 

 

 

 

VIDEO SERIAL DATA

 

 

 

 

VIDEO SERIAL DATA

 

OSD Y

OSD C

VIDEO SERIAL CLK

 

SPDIF LATCH

 

 

VIDEO SERIAL CLK

 

OSD Y

SPDIF LATCH

 

 

 

SPDIF LATCH

 

OSD CVBS

 

 

 

 

 

OSD CVBS

VIDEO SVID LATCH

 

 

 

 

 

 

Comp Video 2V

 

 

 

 

 

 

Comp Video 2V

VIDEO ZONE2 CS

 

 

 

 

 

 

FAST BLANKING

 

VIDEO OSD CS

 

 

 

 

FAST BLANKING

VIDEO OSD CS

 

 

 

 

 

VSYNC

 

 

 

 

 

 

VSYNC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OSD VIDEO IN PRESENT

 

 

 

 

 

 

 

SVIDEO Y

BLACK CLAMP

 

 

CLAMP_ON

 

 

 

 

SVIDEO Y

 

 

 

 

CLAMP_ON

 

SVIDEO C

 

 

ZONE2 ENABLE

 

 

SVIDEO C

 

 

 

ZONE2 ENABLE

 

SVIDEO MUTE

 

SPDIF ADC TX

 

 

 

 

SVIDEO MUTE

SPDIF ADC TX

 

 

 

SPDIF ADC TX

 

 

SPDIF_RXN

 

 

 

 

 

 

SPDIF_RXN

 

 

 

SPDIF_RXN

 

 

 

SPDIF_GND

SPDIF_GND

 

 

 

 

 

SPDIF_GND

 

 

SPDIF_GND

 

 

 

 

TRIGGER

 

 

 

 

 

 

 

 

 

TRIGGER

 

 

 

 

 

MAIN ZONE ENABLE

 

 

 

 

 

 

 

MAIN ZONE ENABLE

 

 

 

 

 

TRIGGER ZONE2

 

 

 

COMP SYNC

 

 

 

TRIGGER ZONE2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRIGGER ZONE2

 

 

 

 

 

 

 

 

MAIN ZONE ENABLE

 

 

 

 

 

 

 

 

TRIGGER

 

 

 

 

 

 

 

 

ZONE2 ENABLE

 

 

Zone2 video OSD 2V

RXDATA

RXDATA

 

 

 

RXDATA

 

 

TXDATA

 

 

 

 

 

Zone2 video 2V

TXDATA

 

 

 

TXDATA

 

 

SIGGND

 

 

 

 

 

 

SIGGND

 

 

 

SIGGND

 

 

 

 

 

 

 

 

 

 

DEMOD1

DEMOD1

 

 

 

DEMOD1

 

 

 

DEMOD2

 

 

 

 

 

VSYNC ZONE2

DEMOD2

 

 

 

DEMOD2

 

 

 

 

 

 

 

 

ZONE2 VIDEO IN PRESENT

 

 

 

 

 

 

 

 

 

PROGRAM

PROGRAM

 

 

 

PROGRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

SK0

 

SCART CTRL 0

 

 

 

 

 

 

SK1

 

 

 

 

 

 

 

 

SCART CTRL 1

 

 

 

 

 

 

SK2

 

 

 

 

 

 

 

 

SCART CTRL 2

 

 

 

 

 

 

SK3

 

 

 

 

 

 

 

 

SCART CTRL 3

 

 

 

 

 

 

SK4

 

 

 

 

 

 

 

 

SCART CTRL 4

 

 

 

 

 

 

SK5

 

 

 

 

 

 

 

 

SCART CTRL 5

 

 

 

 

 

 

SK6

 

 

 

 

 

 

 

 

SCART CTRL 6

 

 

 

 

 

 

 

 

VID RC5 & TRIGGER VID RC5 & TRIGGER.sch

VID CVBS mux

VID PSU

VID PSU.SCH

VID CVBS mux.Sch

 

DRAWING TITLE

AV8 Video Board TOP

 

02_E163

WAF

8/08/02

IC701 CHANGED FROM 74LV244D TO 74HCT244D

 

3.2

 

 

 

 

 

 

 

 

 

02_E112

AJD

6/06/02

Updated R431 and 430 to improve the IR reciever reliability.

 

 

 

 

 

 

 

 

 

 

 

 

23425

Filename: VID TOP.Sch

 

02_E103

MJT

15/05/02

None to this sheet

 

 

3.0

 

 

 

 

 

 

 

Notes:

 

02_E053

MJT

26/02/02

FINAL RELEASE MODS ADDED BEFORE PRODUCTION

2.0

 

 

 

 

 

 

 

 

 

A & R Cambridge Ltd.

 

 

02_E029

WAF

31/1/02

PRODUCTION ISSUE FOR ATE

 

1.0

Pembroke Avenue

 

 

 

 

 

 

 

 

 

 

 

 

 

ECO No.

INITIALS

DATE

DESCRIPTION OF CHANGE

 

 

ISSUE

Waterbeach

 

 

 

 

 

Cambridge CB5 9PB

Contact Engineer: Andrew Dutton

Contact Tel: (01223) 203200

Printed:

8-Aug-2002

Sheet 2 of 11

DRAWING NO.

L922CT

 

Page 125
Image 125
Arcam service manual AV8 Video Board TOP, Filename VID TOP.Sch

AV8 specifications

The Arcam AV8 is a high-performance audio-video receiver that has garnered attention for its exceptional sound quality and versatile features, making it a sought-after option for both audiophiles and home theater enthusiasts. Designed to provide an immersive viewing experience, the AV8 is equipped with a range of technologies that enhance its performance.

One of the standout features of the Arcam AV8 is its support for high-definition audio formats. The receiver can decode various lossless audio formats, including Dolby TrueHD and DTS-HD Master Audio, allowing users to experience studio-quality sound. This capability is complemented by its advanced digital signal processing, which ensures that the audio output is clear and dynamic, enhancing the overall entertainment experience.

The AV8 is built with an emphasis on connectivity and flexibility. It boasts multiple HDMI inputs and outputs, facilitating seamless connections to a variety of devices such as Blu-ray players, gaming consoles, and streaming devices. With support for 4K video pass-through, the AV8 is future-proofed for high-definition content, ensuring compatibility with the latest video technologies.

Another notable aspect of the Arcam AV8 is its user-friendly interface. The receiver is equipped with an intuitive on-screen display that simplifies navigation and setup. Additionally, Arcam has incorporated room calibration technology, which analyzes the acoustic properties of the listening environment and adjusts the audio output accordingly. This feature allows for optimal sound reproduction, tailored to the specific characteristics of the room.

The build quality of the AV8 is exceptional; it features a robust chassis designed to minimize vibration and interference, ensuring high-fidelity sound reproduction. The receiver is designed for ease of use, with remote control functionality and smart home integration options, making it convenient to operate alongside other devices.

In summary, the Arcam AV8 is a powerful AV receiver that combines high-definition audio capabilities, extensive connectivity options, and user-friendly features. With its strong emphasis on sound quality and innovative technologies, it stands out in the competitive landscape of home theater equipment, catering to the discerning tastes of audio enthusiasts and casual users alike. Whether for music or movie playback, the AV8 offers a compelling solution for those seeking an elevated audio-visual experience.