Alpine CDM-7874RB - Page 20

CDM-7874RB/CDM-7872RB/CDM-7871R
/CDM-7871RM/CDE-7868R
Schematic Diagram (5/8)
<CDM-7874RB Mode
Only>
é
59 iB COM3
COM1
NC
on a 8
LEM ciccutecescecetensecsbene.
LCD481
LCD, WTD-20888H
LNG
i
tt
7565554535251 50494847464544434241 48 39 58 37 36 35 34 333231 38292627 2625 24 232221 2019181716151413121118 9 8 7 6 5
A eee
EEL
Leo(1:57)
4321
COM2
R443,
LD416 BRIItIC
Q442
DTC114EKA
LED DRIVER
CH401
BTB, TND-V15P-A1
GND
Lco+B
ENCODER2
NOSE IN
ENCODER1
NOSE ON +5
REMCOM
LeD 00
478-174
DB1111C18
LCD CLK
LOD CE
LCD D1
LAMP+B
LCD RST
470-174
DBITIIC1O™ pBriaicie
R422
WA
R462
27-1/4
R463
PL403
6V-8OMA
21-174
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R442
R456
27-174
2-144
R450
I-44
R454
27-174
27-144
ALPI-00725 / Druck 10
- 29
2/NEWS:
6/SCAN
SW4.01~41 7: SKQMAUGQ1
DIMMER CONTROL
SOO OO SNE BOO O08 eM
BODrONTMNA- SD Ss
Newe ere nee -OOrownot~nsge
ANMNNAMMRONAD NAD DADA MG &
ar
ge
21 $21 = font 8a
22 S22 ° CLK 79
23 S23 ce 78
24 S24 DO 77
25 S25 RES 76
26 S26 ose | (75) C411, , B20p esenx
27 $27 TEST 74 Ss °gs.
Rast Zoed=
28 $28 vss 73 a 3 am
29
5
cle
mee 1c4o1 ¥Bp2 i 408 28 oe euas
30 :538 Lc75883 NDD} @. 047 eqs :
31534 vpD
32 S32 KI
aieeag LCD/KEY DRIVER ie
34 S34 KI3
35 S35 K12
36 S36 KI1
37 $37 KS6
38 S38 KS5
39 S39 KS4
40 S49 o KS3
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eens
3
OD Sw413
TREBLE C.
Yo
D Sw417
BASS C.
SW418
ENC, £C11E15445
108-174 228-174
NOSE OUT
€. S. GND
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zoo 28
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sé = x
708 = a
a 1 = D>
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ray
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C412
4
REMOTE CONTROL RECEIVER
Front P.W. Board
NOTE'N. U. is Not Used Parts.
30
To Main P.W,. Board (2/4) (CB6@1)