Marantz SR-66 - SERVICE TEST PROGRAM OF THE MICROPROCESSOR (continued); Microprocessor Pin Functions (continued); Center Mode and VCR Signal Settings

"Pino. [Symbol | Description SCS
36 Output for tuner mute.(At "H", it is active.)
37 Output for driving stand by LED.(At "H", it is active.)
8 When the power is on, contro] data output is "H".
3 ST/BY
When the power is off, contro! data output is "L"
and last memory function is actived.
39-43
44 PROTECTION Signal input for protection.
45 POWER DOWN Input for power down.(At "L", it is active.)
46 Input for remocon data.(At "L", it is active.)
47/49 M.VOL. IN1/IN2 Input for main volume up/down.
VOL.UP VOL.DOWN
M.VOL.IN 1
i ee
M.VOL.IN 2 | ay dt
50 TUNED input for detecting station during tuning.
ae | If "L" is inputed during tuning, tuning stops at that frequency.
51 Input for lighting the STEREO indicator.(At "L", it is active.)
52 +5V power supply.
53/54 CENTER MODE Control data output for center mode in the DOLBY PRO-LOGIC and the
2/1 3-STEREO mode.
Settings are as follows.
CENTER MODE
L
L
NORMAL, OFF[ L | oH
Wie | HH | iL
[PHANTOM [LL
55 AMP MUTE Output for Amp mute.(At "H", it is active.)
56/57 VCR IN.1 / Contro! data output for selecting VCR1 or VCR2 video signal.
VCR IN.2 According to each mode, data output is as follows.
MODE | VGR INT | VGRIN2 [REMARKS
OTHERS | A | A _| A: Previous state:
Last memory function is available.
58 HALL Output for driving HALL LED.(At "H", it is active.)
(FR-751/SR-66 Only)
3-STEREO Output for driving 3-STEREO LED.(At'"H", it is active.)
0
6 DOLBY PRO-LOGIC| Output for driving DOLBY PRO-LOGIC LED.(At "H", it is active.)
61-70
7
72-77
78-80
Le ee AD ER eR a ee ee FT ee EE A Ce Em ie Ok tee pe ey ee