Sch05_Dig_Cpu_Level_Chg - Denon AVR-X4000 Service Manual

1 2 3
A
B
C
D
DGND
E
14
1
F
G
8C
SCPUTXD
SCPURXD
TO C8
H
J
K
L
GND LINE POWER+ LINE POWER- LINE
M
1
2 3
4 5 6
OPEN
R2402
4.7K
13 12 11 10 9 8
2 3 4 5 6 7
Q2401
RT1N141C T246
ANALOG AUDIO DIGITAL AUDIO TMDS SIGNAL ANALOG VIDEO
4 5 6
7 8 9 10
AVRX4000 ONLY
CN204 CN203
CJP03GA208ZY CJP03GA208ZY
3 2 1 20022WS-03C 3 2 1 20022WS-03C
R2458
0
T11
Q2420 Q2419 Q2415 Q2418 Q2421
T247 T17
2SC3052 2SC3052 2SC3052 2SC3052 ISA1530AC1
DIGITAL VIDEO STBY POWER
7 8 9 10
134
11 12 13
TO A0
0A
DETECT
OPEN
T206 T186 T185
Q2422 Q2403 Q2406
2SC3052 2SC3052 2SC3052
Q2402 Q2407
ISA1530AC1 2SC3052
Q2405
ISA1530AC1
DETECT(MCU)
9B
TO B9
11 12 13
14 15 16
A
TO B2
2B
B
C
D
E
T188 T189
T187
F
Q2408 Q2411 Q2414
2SC3052 2SC3052 2SC3052
G
H
J
K
L
M
SCHEMATIC DIAGRAMS (5/32)

SCH05_DIG_CPU_LEVEL_CHG

14 15 16