Brother HL-1260 service manual B48K158

ROM block

DRAM block

		Centronics parallel I/F connector
SIMM block	RS-232C serial I/F connector		ASIC M65243FP
Option I/F connector			CPU(VIDEO)

		8				2	1			CN4		8
		7				1
C153				P15 0P
		72	C152	71	72	C151	71	72	C150		71	72
	71

1

2

14

1

CN3

ROM2H

C154

#37

PST591DMT

R121

R120

(EVEN)

#42

R114 C141

R115

1

R112

C143

C140

R113C139

R110

SP12

C126

C123

C125

#41RA52

1034

74ALS

C127 R111

CP6

C113

#40

C122

ADM202JRNADM202JRN

C124

R88

1034

74ALS

R90

R98

C110R89

C112C109

#38

C114

SP11

C121

#39

C116

C120

R92

RA44

#32

HM514800

C98

21

C91

1

#30

HM514800

C82

#36	ROM1H		#35
42	(EVEN)	42
	1		1

	22			22
		21			21
42			C90
		1	42		1

25

13

19

ROM0H

RS232C

P14

1

(EVEN)

P13CDCC

RA64 RA63

42

RA58 RA57

C142

RA60

RA59

RA53

R109

RA55 RA54

RA56

R108

C138

C137

C136

C135

C132 C133 C134

R103

R107

R97

R106

R105

RA50

RA51

R102R104

C119

RA49

74F245D

RA48

C115

105

104

RA47

#34

#33C108

RA45

RA46

C106

R87

C104

49

C103

.3576MHz Y1 RA42

C101

R83

RA43

R84 C96

156

22 42

RA40

74F245D

157

RA39

R78

C95

C94

RA38

#31

R76

C92

SP8

R73

R64

C84

R65

R69

C86

RA41

R63

#29

C85

54

53

RA36RA34

RA35

74F245D

RA37

C78

RA32

36

18

RA62

RA61

R119

R122

7

R116

C147 C148 C149

C128

R117

CN2

C130 C131

SP10

C144 C145 C129 R118 C146

1

R100

R101

1

D8

C118

R99

R95

R94 52 C117 53 /RESET

CP5

D7

R93

R96

SP9

R91

M65243FP

C111

R86

C107

C105

C102

R85

C100

R81

Q18

C99

1

Q19 Q17

208

R79

C97

C93

C89

C88

D6

3 1

R75

R77

R74

R68

R67R72

R70 R71

D4

C87

R125

4

R62

33

R66

C83

C81

32

R59

R61

C79

C80 R60

R58

1

R57

R56

BZ1 3

CN1 RC 1

Y2 39

R82 .3216MHZ

R80

Q16 FAN D5 P12(WHITE)

(WHITE) FUSERP11

										HM514800	C73
									#27
		SLOT1		SLOT2		SLOT3		SLOT4
									#22	HM514800	C65
C64		C63		C62		C61
1	2	1	2	1	2	1	2

RA30 RA28	RA33	C76			C74RA29 RA26 C70
		RA31 RA27	#23	74F245D		74	75	#28	C68

R3041	C75		C77
	R53	R55	4
		R54	C72
12 11	C71	Q15	C69
			1
C67

SCNMTR P10

		C66
C59	(48)	C16
	(32)	B16

P8 OPT IO

(33)(17) C1 B1	6P9		SCNLSR
		2
	C60

#21		74F04
	C49
			R38
REV		B48K158
	-3

	R52R51 RA25 RA24
74F04	#20	74F04	#19	74F04	#17		R44
C47		C46			C44
								R29
			GNDVCC		74LS244	#11	74LS244
				#12				C30
			R23			C28
			C29
						RA16 RA15		RA14
C27			RA18
		RA13	RA12 RA11		RA17

		21	R50
		ROM2L
		(ODD) #26
			#16
R28				SP7
	RA22
	74LS244	#10
R22		R21

22	C58	21					22	C57	21
		ROM1L
			(ODD)#25
						R43
R42		#15		#14
CP4	SP6	CP3
			SP5
	C32				CP2

22	(16)	A16
ROM0L
(ODD) #24
			C43
			C39
			C38
			C36
RA21	RA20
C33 SP4
24		1
25		80	XT1
			5.

R37

C42 R35

R34 RA23

25

R24

24

			R45 R46	#18		C53
#13	C41 C45 C50 C37			UPC		C48
			R39 R40 R41
				358
LS07	R36 R33	D3	D2	Q14
		R32				R25
	R30		R26
					R31
			1
				80	R27
					C34
	M38063E6FP				#9	C31

		(1) A1			4	1
			R49				(RED)
	C55			R47
R48 C56	C52		C54
		C51			1	P7	MTR
			C40	P6	16 15
		C35		H.
Q12			Q13	VOL
	Q11		Q10
	Q9		Q8
			Q7		2 1
						CPU(ENGINE)

8MX6SOLDER		RA19	74LS245
	SP5 SP6 SP7	#7

M65340FP 0MHZ

40

C26

	FLOCK
65	8
	GND

65

41

64 GND

R17		RA10	RA9
	C24
(25)		CARTRIDGE	(1)
A25				A1	P5
B25				B1
(50)			(26)

			C25
OUT	CP2 CP3 CP4	#6 0 1 A B	74LS245
		2 C	C13
		3 D
			94
		4 E
		5 F
		6 G
		7 H
		8 J

X24C04F

#5	R10	C11
R4	Q3

R3

	#8		64	R20
	100	R14	C18		R124
				81
	1			80	C12 C9
Q2	#4		µPD65626			R11
	3

C23	R16	R19
C22		C17
C21
C20
C19
C16
C14 C15	RA4
	C10R9
RA3

R15

1

R18				Q6	SP3
		L1				+24VRET
						+24V
						+5V
						+5V
						HEAT
	2				1
		R13	R12 Q5			Q4
			C7

P4 POWER

C8

		9 K
		L
		M
R123
#2			LS08
	C2

96

1

2

35

36

CP1

LS74

	R8					30	31				51
SP2	R7	R6Q1		C4	1	#3C5	AN78N12			C6	50
			D1
#1										R2
			C3						RA1
					SP1	R1
								P2 IC CARD

		+24B
RA2		+5B
P3 P.		+5V	S1
FEED	19
		20
		+24V
33	C1	2	P1 PANEL
	1
34			20

67	21
68

Font cartridge connector

Control panel connector

Font card connector

ASIC µPD65626

ASIC M65340 FP

Figure 3.4 Main PCB

III - 6