12
SPECIAL FUNCTION
FEATURE
KEYS PRESS ON FRONT PANEL
RESET FOR AH VERSION
VIDEO 6 +SOURCE UP
RESET FOR C VERSION
VIDEO 6 + SOURCE DOWN
NTSC / PAL SELECTION
VIDEO + MEMORY
VFD ALL DISPLAY
AUDIO 6 + TONE DEFEAT
AM FREQ. STEP
AM/FM + FM MUTE
DETAILS & WAVEFORMS ON SYSTEM TEST & DEBUGGING
M6759(U202) main clock is at 20MHz(X202)
M6759(U201) main clock is at 20MHz(X201)
UPPER - +5V supply to KEYBOARD when power up
LOWER - RESET line (TCM810LENB713) when
power up
UPPER - OUTPUT ENABLE(pin 24) of EPROM
(W27C02) when changing SURROUND MODES
LOWER - CHIP ENABLE(pin 22) of EPROM
(W27C02) when changing SURROUND MODES
SCLK (pin 43 of CS49326)
LRCLK (pin 42 of CS49326)
MCLK (pin†30 of CS49326)
NOTE:
The waveforms are based on software version V2.10.
Содержание T753
Страница 2: ...2 SAFETY INFORMATION AH VERSION C VERSION ...
Страница 11: ...11 BLOCK DIAGRAM ...
Страница 14: ...14 PCB LAYOUT AUDIO BOARD POWER SUPPLY STANDBY BOARD ...
Страница 16: ...16 DSP BOARD COPPER SIDE DSP BOARD COMPONENT SIDE ...
Страница 17: ...17 FRONT CENTER AMPLIFIER BOARD COMPONENT SIDE ...
Страница 18: ...18 FRONT CENTER AMPLIFIER BOARD COPPER SIDE ...
Страница 19: ...19 SURROUND AMPLIFIER BOARD COMPONENT SIDE ...
Страница 20: ...20 SURROUND AMPLIFIER BOARD COPPER SIDE ...
Страница 21: ...21 KEY BOARD POWER SWITCH COMPONENT SIDE KEY BOARD POWER SWITCH COPPER SIDE ...
Страница 22: ...22 MAIN BOARD ...
Страница 23: ...23 MULTI CHANNEL BOARD COMPONENT SIDE ...
Страница 24: ...24 MULTI CHANNEL BOARD COPPER SIDE ...
Страница 25: ...25 PRE OUT BOARD COPPER SIDE PRE OUT BOARD COMPONENT SIDE ...
Страница 26: ...26 SPEAKER TERMINAL BOARD POWER SWITCH TRIGGER BOARD VIDEO 6 BOARD ...
Страница 27: ...27 SECONDARY ISC BOARD COMPONENT SIDE SECONDARY ISC BOARD COPPER SIDE ...
Страница 28: ...28 S VIDEO BOARD ...
Страница 29: ...29 COMPOSITE VIDEO BOARD COMPONENT SIDE COMPOSITE VIDEO BOARD COPPER SIDE ...
Страница 37: ...37 SPEAKER A B ...
Страница 53: ...53 LC74763 S VIDEO BOARD U4101 ...
Страница 54: ...54 M61516FP MULTI CHANNEL BOARD U6101 U6102 ...
Страница 80: ...80 SERVICE MANUAL T 753 Phase II Surround Sound Receiver NAD ELECTRONICS LTD LONDON ...