Service manual

AL-2030/2040CS/2050CS CIRCUIT DIAGRAM 13 - 20
PR#
/PRPR#
PGND
24V
PGND
24V
PGND
5V
VCC3
12V
PGND
VCC3
24V
PGND
24V
INT5V
24V
5V
VCC3
VCC3
5V
VCC3
12V
VCC3
VCC3
VCC3
VCC3
12V
VCC3
12V
12V
12V
5V VCC3
INT24V
PGND
12V
EN5V
VCC3 VCC3
EN5V
12V
12V
12V
VCC3
EN5V
MC(2)
BIAS(2)
TC(2)
GRIDL(2)
/MC (11)
/BIAS (11) /TC (11) /GRIDL (11)
MCNT(3) /MCNT (12)
PSFM(3)
/POFF (11)POFF(1)
MRPS3(2)
MRPS_3 (7)
SHOLD (11)
/LEND
CPFS2(2)
/CPFS2(12)MPFS(2)
CPFS1(2)
RRS(2)
VFM_24V(2)
VFMCNT_12V(2)
MRPS2(2) MRPS1(2)
HL(2)
LDEN
PMCLK
PMD
MM_Y2 MM_Y1
FTH
MMD(2)
MM_Y3
/CPFS1(12)
VFMOUT (12)
HLOUT (11)
/MPFS (12)
/VFMCNT (12)
/RRS (12)
/PMD (11)
MRPS_2 (7)
PMCLK_A (11) MMref1 (7)
/MMD (12)
/LDEN (11)
MRPS_1 (7)
MMref0 (7)
/MMCLK (12)
MMCLK(1)
MMref2 (7)
PSFMOUT (12)
PTPULSE(2)
TCS_AN(16)
(TCS_AN) (1)
FTH RTH (1)
THOPEN (3)
RTH_IN(12)
/PR (11)PR
LCDCONT(1)
(LCDCONT) (11)
Analog Tonner Sensor Buffer
LCD Contrast Buffer
TP795
TP451
TP430
TP438
R102 1KF
TP458
TP428
R113 300J
R383
NM
TP427
D58
RLS-73
D36 1SS355
R300 470KJ
C371 NM
TP804
R303 10KJ
TP807
R264 12KF
CP17 0603SFF150FM/32-2
TP801
TP792
R118 1.2KF
IC25 KID65001AF
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
COM
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
R266 10KJ
R117 10KJ
TP722
TP463
TP445
R114 100J
R308
NM
TP459
D56
CRH01
TP448
R316 NM
D66 NM_KDS226
2 1
3
R301 4.7KJ
TP437
R129 NM
TP474
R387 4.7KJ1/4W<3216>
TP449
Q16
KRC102S
1
2
3
R123 10KF
Q15
NM_2SB1197K
B
EC
TP452
IC27 KID65503F
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
G
8
NC
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
R307 7.5KF
TP797
TP784
TP435
R413 NM_10KJ
TP444
C111 0.1U/50V<1608>
TP423
R381 NM
TP436
D52 MTZ J22B
TP446
Q20 KRA119S
1
2
3
Q18 KRC102S
1
2
3
R304 100J
TP472
TP470
Q3 KRA119S
1
2
3
R302 10KJ
C113 0.1U
R368 NM
TP424
BR62 1.5KJX4
1 2 3 4
8 7 6 5
R124 4.7KJ
C407 NM
D67 KDS226
2 1
3
Q17
KRC102S
1
2
3
R414 NM_10KJ
TP455
R388 47KJ
R395 1.5KJ
+ -
IC45A
KIA358F-EL/P
3 2
1
84
TP802
TP723
TP439
IC21 KID65001AF
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
COM
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
R382 10KJ
TP805
TP454
D5 1SS355
C112 22000P
TP420
R106 10KF
D4 1SS355
R380 NM_1.5KJ
D59 NM_KDS226
2 1
3
R142 NM_10KJ
TP798
D2 NM_KDS226
2 1
3
C379 0.1U
C119 22000P
D55
CRH01
R268 10KJ
R418 NM_10KJ
R104 7.5KF
TP475
R115 100J1/4W<3216>
+ -
IC22A KIA393F
3 2
1
84
C118 0.1U/50V<1608>
Q7 KTA1505S
TP425
TP450
Q4
KRC102S
1
2
3
TP434
TP426
R297 47KJ
Q21
KRC102S
1
2
3
+ -
IC45B KIA358F-EL/P
5 6
7
84
+ -
IC17A
KIA393F
3 2
1
84
TP461
CP16 0603SFF150FM/32-2
TP473
TP440
R389 47KJ
+ -
IC53A KIA358F-EL/P
3 2
1
84
TP793
TP443 R107
4.3KF
R366
0J
TP460
TP429
TP457
R362 4.7KJ1/4W<3216>
R90 10KJ
R396 1.5KJ
TP799
BR63 1.5KJX4
1 2 3 4
8 7 6 5
+ -
IC22B KIA393F
5 6
7
84
R339 100J
TP781
Q2 NM_KTA1505S
TP421
D57
RLS-73
(G)
(D) (S)
Q19 2SK3018
C398 0.1U
+ -
IC53B KIA358F-EL/P
5 6
7
84
TP465
R298 1.5KF
TP803
Q13 2SB1132
B
EC
R394 NM
TP553
TP806
TP433
TP464
R363 47KJ
D60 NM_KDS226
2 1
3
D45 1SS355
TP789
R269 10KJ
TP467
R265 10KJ
R105 1KJ
+ -
IC17B KIA393F
5 6
7
84
R386
4.7KJ1/4W<3216>
TP431
TP453
D1 MA700
TP469
TP441
IC24 KID65503F
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
G
8
NC
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
R296 10KJ
C305 0.1U
TP447
TP794
R379 NM_1.5KJ
R112 NM_4.7KJ1/4W<3216>
R419 NM_10KJ
TP800
TP456
R270 10KJ
R299 100J
Q12 2SB1132
B
EC
D3 KDS226
2 1
3
C312 1U<2012>
R103 1MF
C367
2.2U<2012>
D61 1SS355
R116 10KJ
Q14
KRC102S
1
2
3
D51 1SS355
R378 0J
TP476
R108 NM_47KJ
R393
0J
TP466
TP790 TP785
TP432
TP442
TP422
R271 10KJ
A A
B B
C C
D D
E E
4 4 3 3
2 2 1 1
MCU PWB (Driver section 2) (AL-2050CS) 6/16