Marantz SR-66 - SERVICE TEST PROGRAM OF THE MICROPROCESSOR; Microprocessor Pin Configuration; Microprocessor Key Matrix

5. SERVICE TEST PROGRAM OF THE MICROPROCESSOR
IC200 : uwPD78044GF (8-bit CMOS Microprocessor)
1. Pin Configuration
T6 (1)
| T5 (2)
rip || ©,
DRIVE DIGIT 18 4)
T2
a 1
To
Voo
LM7001 -———_(9)
NJU9701 -———_(10)
CONTOL IC CLOCK
CONTOL IC DATA -———(12)
LC7821
TDA7313
N.C
TC9176
RESET
SR66(FR-751)/FR-731 ID -———(48)
T.TONE MUTE
A.Vss
NS1
NS2
CHMODE -———@3)
MAIN MUTE 24
o
z
0
z
Oo
Z
FIP DRIVE
SEGMENT
[oT
- N OO FT DD ©
nnn Mm MD W
Vioad
S7
[oe]
i?)
fo]
n
(oe)
-
79) a
FIP DRIVE:
| SEGMENT
N
no
CO-PIPITI~P6-75)-74 7-73-7970) -69)-16 8-167) +6668
@)
NS3
CENTER MUTE
~)
SURR.MUTE
uPD78044GF
28)~29(30)—31)-32-G334)35
tee ee
a ae
x oF
x
24
©) &)
TUNER MUTE
ST/BY LED
ST/BY
KEY5
64-—_——_~ $13
$14
S15
S16
DOLBY PRO-LOGIC
3- STEREO
HALL
3-STEREO
VCR IN.2
AMP MUTE
CENTER MODE1
——- CENTER MODE2
Vop
STEREO
TUNED
M.VOL IN2
Vss
M.VOL IN1
RMC
POWER DOWN
* PROTECTION
~ KEY1
- KEY2
——— KEY3
|
< EHS OXOXEKD OOOO OVODOO BODOG SBDABWS)
KEY4