Marantz NR1609 - Page 15

SCH07_CPU LEVEL CHG
CMPONENT(Y)
ANALOG AUDIO DIGITAL AUDIO TMDS SIGNAL VIDEO SIGNAL GND LINE POWER- LINE POWER+ LINE STBY POWER
R1367 33
RLY_HIB
FL_DATA
KEY2
C1288 10N-K
R1347 100
DCDET4
KEY3
TU_IISD
R1348 100K
KEY2
TU_DA
ZONE_CL
R1349 100
DCDET3
SB_RLY
DGND
C1292 10N-K
R1354 100
THERMALDETE
THER_PROTA
R1374 OPEN R1357 120K
COMP_SW2
TU_DA
COMP_SW1
VIN_B
C1294 10N-K
R1358 100
THERMALDETA
VIN_B VIN_A
RXD_MI232O REMOTE3.3V
AMPSIG_DET
M-DAX_LED
DCDET4
THERMALDETB
ASODET
ISEL_B ISEL_A
VSEL_B VSEL_A
GRN_LED
FLRST
CPU_POWER2
FL_CLK
RXD_MI232O
ISEL_B
VSEL_B
GRN_LED
VOL_CLK
FLRST
SEL_CLK
PRE_MUTE
PRE_MUTE
DC/ASO_DET
FRONT_RLY
C/S_RLY
H/P_RLY
KILLIR_MZ
RXD_MI232O.
TXD_MO232I.
ZONE_MUTE
ZONE_DA
VOL_
CLK
R1337 22K
VOL_MUTE
HP_MIC_DET
SEL_DATA
TU_IISD
OPENR1340
RLY_HIB
THER_PROTB
CURRENT_DET
R1341 22K
M-DAX_LED
RC_IN/WAKE_UP
TRG_OUT
COMP_DET
COMP_SW1
R1379
OPEN
R1385
OPEN
DGND
SWM3.3V
M3.3V
REMOTE3.3V
DGND
R1368 33
RC_OUT
FL_CLK
CPU_POWER2
KEY1 KEY3
R1369 33K
C1286
100N-K
TU_LA
TU_CK
C1287
100N-K
KEY1
ZONE_DA
C1289 10N-K
R1370 18K
C/S_RLY
C1321 10N-K
R1371
100
R1372
3K9
ASODET
H/P_RLY
THER_PROTB
M3.3V
R1373 OPEN R1355 12K
COMP_DET
C1293 10N-K
R1356 100
THERMALDETB
VIN_C
VIN_A
R1375 OPEN R1359 120K
C1296 OPEN
R1351 OPEN
VIN_C
SWM3.3V
DGND
C1298 100N-K
TXD_MO232I
CURRENT_DET
DIRECT_LED
DCDE
T3
THERMALDETA
THERMALDETE
POWERKEY
RED_LED
FL_CE
Q1028
2SC3052
FL_DATA
TU_IIC/RDSI.
TXD_MO232I
Q1031
ISA1530AC1
Q1029
2SC3052
ISEL_A
VOL_DATA
VOL_MUTE
ZONE_MUTE
22K
R1332
Q1019
2SC3052
VSEL_A
RED_LED
POWERKEY
FL_CE
PRE_Z2_MUTE
SEL_DATA
10K
R13502SC3052
Q1034
SB_RLY
PRE_Z2_MUTE
RC_IN/WAKE_UP
TRG_OUT
FRONT_RLY
DC/ASO_DET
2SC3052
Q1022
OPENR1338
ZONE_CL
VOL_DATA
SEL_CLK
THER_PROTE
THER_PROTE
2SC3052
Q1023
R1339 22K
TU_LA
TU_CK
TU_IIC/RDSI.
AMPSIG_DET
RC_OUT
DIRECT_LED
THER_PROTA
OPEN
R1342
R2207 OPEN-1608R2206 OPEN-1608
KILLIR_MZ
TEMP_SENSOR
COMP_SW2
HP_MIC_DET
DC_PROT
R1366 4K
7
R1346 100K
R1376
3K9
TO DIGITAL CNT
FROM
D.SUPPLY
14 13 12
321
11 10 9 8
7654
U1016
1A 1B 1Y 2A 2B 2Y GND
VCC
4B 4A 4Y 3B 3A 3Y
TC74VHC08FT
Q1030
ISA1530AC1
Q1018
2SC3052
2SC3052
Q1024
NCU18XH103J60RBPTC1001R2185 10K-F-1608
TO CPU
CPU LEVEL CHG
D2
TO 2D
D3
TO 3D
D4
TO 4D
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
15