NAD T 742 - Block Diagram; System Block Diagram; Adjustment Points Diagram; Tuner Adjustment Points

9 10
OSC RF
VT
BLOCK DIAGRAM
COAXIAL x2 OPTICAL x1
74HC153
4053
74LS157
M62446FP
S-Video Selector CD4052
TEMPERATURE PROTECTION
TUNER
L
TUNER R
POWER DOWN Detect Pin. For SPK off, Mute ON, VFD off.
FL
Trigger out
IR IN
FL
OUT2 OUT3 OUT1 OUT4
FR CENTER SL SR SUB
FR CENTER SL SR SUB
Video Pin 1 IN 13 2 IN 12 3 IN 15 4 IN 14 5 IN 1 3 OUT 3 4 OUT 3 S-Video Pin CY 1 IN 11 4 2 IN 12 1 3 IN 15 2 3 OUT 13 3
Video Selector CD4051
ADJUSTMENT POINTS DIAGRAM
1. TUNER
2. IDLE CURRENT - Front Amplifier & Surround Amplifier Board