Service manual

AR-203E/5420/M200/M201 ELECTRICAL SECTION 13 - 40
DRST
DRST LCDDB5 LCDDB7 LCDDB4 LCDDB6
3.3V 5V 5VEN
PSL PSW KEYIN OP-CLK OP-LATCH OP-DATA SELIN1 SELIN2 KEYSC2 KEYSC3
LED_V3 F-KEYIN1
BZR KEYSC1 LCDRS LCDE SELIN3
LCDDB[7..4]
F-KEYIN4 DATA1 F-KEYIN2 LED_V2 F-KEYIN5 LED_V1 F-KEYSC2 F-KEYIN6 F-KEYSC3 F-KEYSC1 F-KEYIN7 F-KEYIN3
LCDCONT
To MCU PWB
To Drum Initial Detector
To FAX Key PWB
TP43TP43 TP51TP51
C303
47uF/16v
TP42TP42
C326 0.1u
TP50TP50 TP41TP41 TP49TP49
CN301
BM15B-GHS-TBT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
TP57TP57
CN302
32FMN-BMTTR-A-TB
CN302
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
R352 Open
TP
48
TP
48
C302
47uF/16v
TP56TP56 TP40TP40 TP52TP52 TP39TP39 TP54TP54 TP47TP47 TP55TP55 TP38TP38
C324 0.1u
TP46TP46 TP53TP53 TP37TP37 TP45TP45 TP44TP44
C301
47uF/16v
C325 0.1u
CN303
S3B-PH-K-S
1 2 3
A A
B B
C C
D D
E E
4 4 3 3
2 2 1 1
OPERATION PWB (Connector section) (AR-M200/M201) 3/3