Cpu Level Chg Unit - Denon AVR-1913 Service Manual

1 2
AX
TO AJ
TO NET/PHY
C3207
OPEN
20 19 18 17 16 15 14
1 2 3 4 5 6 7 8 9 10
COMP_SW2_5
COMP_SW1_5
PSAVE_5
VIN_C_5
VIN_B_5
VIN_A_5
C3201
OPEN
R3203
CEC_OUT Q3202
10K 2SD2114K
R3204
100K
R3202 2M2
R3207
220K
D3201
KDS4148U
GND GND POWER + POWER + POWER - POWER -
3 4
AY
SWM3.3V N3201 R3215
FFC-4P (1.0-9-4PW) 4K7
M3.3V
16 15 14 13 12 11 10 9
232MO
232MI
DGND
R3216 R3217
33 33
1 2 3 4 5 6 7 8
Except AVR2113E3
R3212 0
R3213 0
R3214 R3218
0 0
AVR2113E3 Only
13 12 11 14 13 12 11 10 9 8
1 2 3 4 5 6 7
Except AVR2113E3
BA
TO CPU
TO AU
STBY POWER STBY POWER
5
TO BF
TO DIGITAL CNT
R3221 R3225 R3243
2K7 1K 2K7
R3219 R3222 R3226 R3241 R3244
390 270 100 390 270
DGND
MODEL
R_NO
N3201
R3214,R3218
C3209
U3203
136
6 7
CPU LEVEL CHG
STBY3.3V
STBY5V
REMOTE3.3V
SWM5V
SWM3.3V
M3.3V
DGND
SWM3.3V
DGND
SWM3.3V
R3248
1K
R3249
100
AVR1913 AVR2113
E3 E3 E2 JP E1C
OPEN OPEN FPC_4P FPC_4P FPC_4P
0 0 OPEN OPEN OPEN
OPEN OPEN 100N 100N 100N
OPEN OPEN TC74VHC08FT TC74VHC08FT TC74VHC08FT
SCHEMATIC DIAGRAMS (12/26)

CPU LEVEL CHG UNIT

8
A
AZ
TO BM
FROM
D.SUPPLY
B
C
D
E
F