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All ok. I pay 5 $ and now i have 92 pages of good scaned service manual for my oooooold akai. Now i will try to repair it.
good and ok, very nice , good and ok, very nice, good and ok, very nice
Super manual it contains all the things you need to service your Marantz 2100.
A very easy to understand and use manual. Well worth the money.
Very good information with clear drawings. Thanks!
IC DESCRIPTION IC, TC9323F
Pin No. 1~4 5 6 7 8 9 10 11 12 Pin Name N.C
I/O â O â O O O O O O Not connected. MS signal output Not connected. Standby muting output Muting output to power amp Loudness output
APS N.C S-MUTE
P-MUTE LOUD LOCAL MONO 20dB MUTE
Local/DX switching output. LOCAL: "H", DX: "L" MONO/STEREO switching output. MONO: "H", STEREO: "L" -20dB muting output. This function is enabled when the -20dB muting jumper is selected.
13 14 15 16
AGC CUT/IF REQ RADIO TAPE CD
O O O O
Outputs "H" during searching of frequency. This is an IF count control signal or used to shut off the AGC circuit. RADIO output TAPE output CD output Band switching outputs
O FM MW LW FM (L)
BAND1 H L L H
BAND2 L L H H
19 ~ 21 22 23 24 ~ 33 34 ~ 37 38 ~ 45 46 47 48 49 50 51 52 53 54 55 56
N.C RE1 RE2 N.C K0 ~ K3 T0 ~ T7 TAPE CD PANEL POWER PHONE MUTE LEVEL METER DIR FF/REW E-VOL DATA E-VOL CK E-VOL CE
â I I â I O I I I O I â I I
Not connected Rotary encoder input 1 Rotary encoder input 2 Not connected Key matrix inputs Diode matrix outputs TAPE input CD input. "H" CD input enables the CD key. Detects detachable panel (0.2-0.5 s chattering time is provided). Panel provided: "H", Panel not provided: "L" Power output The telephone signal automatically applies muting. The signal level is converted to a digital signal. This meter signal moves the LCD level bar according to the level. TAPE running direction indicator input TAPE FF/REW indicator input
Pins to control the LC75374E electronic VR.