-5-
S_SW
S_SW
PO
WER
LAMP B
ALLAST
LAMP CO
VER
IC5031
AUDIO-OUT <LM4889>
IC5001
AUDIO-CONT
OL
<NJW1156>
IC1802
I/O EXPANDER
RC
RECEIVER
PO
WER SUPPL
Y
SW901 LAMP CO
VER
SWITCH
P.F
. CONTR
OL
S-VIDEO
SP901
SPEAKER
MUTE
LAMPDC_ON
RC
MAIN
Q6842
FAN_CON_A
FAN_CON_B
373
30
R/C
4
ON:H
ON:H
ON:H
ON:H
ERR
OR:H
P-ON:H
PC1:L
P.F
ail:L
2
1
ALARM
1
Mute On:H
Mute On:H
Po
w
er On:H
Po
w
er On:H
Po
w
er On:H
Po
w
er On:H
Po
w
er On:H
Po
w
er On:L
L/R
VOLUME
267
PWR_LED
BLAST_A
C
BALAST_A
C
FAN_ERR
LAMPREP_LED
ON_3.3V
ON_150V
191
284
190
11
201
DC_ON
W
ARNING_LED
ON_5V
A
182
98
DDC_SW
101
77
P_F
AIL_MCI
61
PO
WER_ON_MCI
50
TXD_MCI
72
99
P_F
AIL
P_F
AIL
FAN_SW1
FAN_SW1
LAMPDC_ON
READ
Y_LED
215
276
89
275
CHO_TXD
CHO_RXD
CHO_TXD
CHO_RXD
MUTE
KEY1
295
26
110
28
KEY2
126
PO
W_KEY
SCL0_5V/SD
A0_5V
SCL0_3.3V/SD
A0_3.3V
253
R/C_PW
214
290,208
212,293
IC301
SCALER <PW190>
Q6844
Q6843
D6832
D6831
D6833
Q5036
OUT_DET
Mute On:H
Q5034
Q6841
W
ARNING
LAMP REPLA
CE
READ
Y
IC4891
NAND
2
13
1
10
IC9882
INVER
TER
K8R
K8F
K6R
14
K8S
3
1
K8H
4
5
1
K8D
K29D
3
S3.3V
FAN
CONTR
OL
CIRCUIT
NET
O
WRK
(MCI)
SCL2_5V/SD
A2_5V
I/O_CLK0
76
I/O_RXD0
2
I/O_TXD0
RXD_MCI
73
13
DC_ON
P-ON:H
SW902 THERMAL SWITCH
1
K6S
3
chassis Block diagrams
System control
Summary of Contents for PRM-20
Page 68: ... 68 IC Block Diagrams MP2106 DC DC Converter IC5821 IC5861 FA5502 P F Control IC621 ...
Page 71: ... 71 IC Block Diagrams LM4889 Audio Output IC5031 NJW1156 Audio Control IC5001 ...
Page 74: ... 74 LAN9118 LAN Driver IC8801 IC Block Diagrams MC9328MX21 System Control of Network IC8301 ...
Page 103: ...KM5 2000 KM5 20 S 00 103 ...
Page 104: ... KM5YC KM5ZC January 2009 DC 200 Printed in Japan ...
Page 116: ...A10 SCH_KM5YC SCH_KM5ZC NO DATA ...