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CIRCUIT DESCRIPTION
®@ Version /Model Set up
Setup of the version
of the model
for each area is per-
formed by the initial setup diode matrix.
Set to '1' when diode is provided, or ''0'' when not pro-
vided.
1) Version setup switch
87.5 ~ 108.0MHz
100kHz
530 ~ 1610kHz
1OkHz
2) Model setup switch (TYP1, TYP2)
Model setup switch
Function
Dolby surround | Speaker matrix | Spectrum amalyzer display (SP!)
O : Available, X': Not available
TAPE 2 | TAPE 2
AUX
PHONO
TUNER
OFF
ON
AUDIO
INJECTION
EQ REC
ON
OFF
Open whenA.].is turned OFF.
INJECTION
Open when TAPE
1
is turned ON.
® Static Driver IC : u~PD6300C
CLK (12), DATA (11), LH (10)
01 (16)
02 (17). | 03 (18)
Output
VIDEO 1
—T
"
oo
pe |e
EQ
EQ
OFF
ON
O5 (20)
Display
11-20
1-10
AUTO
DEFEAT
|
$2 (25)
O11 (26)
012 (27) | 013 (1)
AUDIO
VIDEO | VIDEO
INJECTION
$6 (31)
$7 (34)
015 (3)
$1 (24)
$3 (26)
010 (25)
Display
ON
SURROUND
Terminal
| S14 (42)
$15 (43)
$17 (45) | S18 (46)
LAMP.
Positive logic is used.
@ PLLIC:LM7001
CLK (2), DATA (4), CE (3)
@ Equalizer iC : LC7522
FM
AM
Except TUNER
0 : Short, 1: Open
S (13) : VEE, CLK (17), DATA (16)
17 = 60Hz, f1 = 15kHz
@ EQ./SPI display IC : LC7565
"$1 (15), S2 (16) : VDD, CLK (18), DATA (17)
© Volume IC : TC9176P
CLK (8), DATA (9), ST (10)
The FRONT volume control uses the same IC with reversed
L/R channel connections.
£7 = 60Hz, f1 = 15kHz
19
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