Diagnosis Of Sd (Shutdown) - Pioneer KRP-500P Service Manual

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5.4 DIAGNOSIS OF SD (SHUTDOWN)

A
[1] BLOCK DIAGRAM OF THE SHUTDOWN SIGNAL
MAIN ASSY
B
AUDIO ASSY
CN8301
C
IC8341
PWM
IC8401
D-Amp
D
FAN FAN
CN3302 CN3301
E
CN3304
FAN CH ASSY
F
60
1
2
8
IC5001
DisplayPort
Receiver
CN4201
8
5
5
10 10
CN4101
CN1201
CN1202
FAN ASSY
2
3
IC7001
Panel Main ucom
SCL_DP
DC IN
SDA_DP
SCL_AV SCL_E2P
SDA_AV SDA_E2P
A_NG_B
OTW
TXD_MD
RXD_MD
FAN NG1
REQ_MD
FAN NG2
TEMP3_1 TEMP3_2
11 11
IC1203
Temp. sensor
(T1)
CN1203
KRP-500P
3
4
V+6_5V
13
15
IC7003
EEPROM
CN4002
6
CN2401
IC2401
Temp. sensor
(T2)
SENS ASSY
4