Sch05_Cpu Level Chg - Marantz SR7010 Service Manual

1 2 3
A
9C
TO C9
(PAGE 3_D5)
B
FROM MAIN CPU
C
D
E
R1953
4.7K Q1918
RT1N141C
C1915 0.1
F
IC191
SN74LVC244APWR
OE1
OE2
R1954
100
R1955
100
R1956
100
G R1957
100
H
J
K
E7
TO AUDIO PLD
(PAGE 7_D1)
TO 7E
L
M
GND LINE POWER+ LINE POWER- LINE ANALOG AUDIO
1 2 3
4 5 6 7
MIC/HP
DETECT PARTS
OPTION OTHERS
R1951 / R1952 OPEN
D1901 / D1903 OPEN
R1963 R1964 R1967
3.9K 3.3K 3.3K
Q1920
RT1N141C
Q1922
2SC3052
SR6010/7010 ONLY
DIGITAL AUDIO TMDS SIGNAL ANALOG VIDEO DIGITAL VIDEO
4 5 6 7
8 9 10
2B
TO B2
TO DIGITAL CONNECT
(PAGE 1_A4)
SR7010
10K
KDS160
T206
Q1907
2SC3052
T246 T247
Q1906
Q1902 Q1903
2SC3052 2SC3052 ISA1530AC1
SR7010 ONLY
PROTECT
8C
TO MAIN CPU
(PAGE 3_D5)
TO C8
STBY POWER
8 9 10
142
11 12 13
T186 T185
Q1910 Q1913
2SC3052 2SC3052 T188
T187
Q1909
Q1914 Q1915
ISA1530AC1 2SC3052 2SC3052
Q1912
ISA1530AC1
SR6010/7010 ONLY
SCHEMATIC DIAGRAMS (05/39)

SCH05_CPU LEVEL CHG

11 12 13
14 15 16
A
7B
TO B7
B
TO DIGITAL SUPPLY POWER
(PAGE 2_B1)
C
D
E
F
G
Q1916
2SC3052
H
J
K
L
M
14 15 16