Brother HL-1260 service manual Main PCB HL-1660

	RS-232C serial I/F connector	Centronics parallel I/F	ASIC HG51CS265FD
SIMM block DRAM block
		connector	CPU(VIDEO)
	ROM block
Option I/F connector

P15	C187	L10					P14
	1	8	C186 R136		2	1
			C185 R135	+			RS
							232C

C181

19

36

14

OPTION

8 7

2 1

CN4

PST591

C182 CN3

1

(EVEN )

#27

#35

C184 R134

R123

R132

C183 R133

#33

R122

ROM2H

R126

R113

C161

RA75

ALS1034

C177

SP6

ADM202JRN

SP5

C165

C159

SP4

C151

C160

72

72

C155

SW2

CP 5

C152

27C8000

C149

R105

C150

C148

R102

R104

C145

C 147

C156

C144

R109

C142

R 99

RA64

R98

C141

C139

R97

C140

RA66RA62RA59

71

71

C135

ALS1034

#34#31

ADM202JRN

#32

42

1

(EVEN )	#26
ROM1H
23C8000

42

(EVEN )

25

+1

13

1

ROM 0H

42 #25

C180

RA73 RA 74

C179

R112

R111

RA71 RA72C169

C176

C175

C172

C171

C170

208

C153

RA70

C174

R117

C154

RA69

R131 RA76

23C16000

R106

RA67

F245

C138 #29

HG51C265FD

RA61

RA65

1 #30C132

R103

R121

C164

R101

C168

R100

C146

RA63

RA60

RA58

RA56

P13

							Q24	18
				C178				D7
				C173
				R116 R115
	C157			C163 C162
157			R110
	156	R108					R130 R127
		R107					R128 R125
					SP3	CP1	R120 R119
		RA68					C167 R114
		C113		L7
		C137		XT4 C136
					R94
		R96		R95
			C134		C133
		C131
			R91	R

L9	POW
CDCC
C158	FAN
L8
P18
1	9.
C166	8304MHZ
R129
R124
R118

RA55					28	15
					C126
						HM514800	C125
					#28	14
					1
C117		38		38
	37		C116	37			21 1
								#17	C113
		36	36 35
	35
					28	15
RA43 RA40					C104#23	HM514800	C103		27C8000
						14
					1
					28	15
C93					C94	HM514800	C95
RA30					#21	14
					1
						15
RA29					28
		2		2	C83
	1			1		HM514800	C82
			C78		#18

22

21

1

#16 C112

23C8000

22 42

21 C111 1

23C16000

#15	22
	42

RA57 RA53 RA49 C115RA45 RA39 RA36 RA33

C128

RA48

RA54

C129

52

53

R87

C121

R86

R85

R83 R84

C122

R69 R70

R89

C120

RA52

RA50

RA51

C124

C114

#24

RA47

R80 R81 R82

R77 R65 R78 R66 R79 R67

F245

C108

R75 R76

R74

R71 R72 R73

F245

RA44

54

53

R56 R57

C109

R60 R61 R62

RA42

R58 R59

RA38

#22

RA34

C97 C100

79R3041

RA37

C99

RA35

RA32

RA31

C87

F245

#20

C89

74

75

C86

84

1

#19

C16

P8 A16B16

OPTION I / O

R90

92 R93

105 104 C123

R88

C130 C127

XT3

R68

Q22

C119

L6

R64

7CN2

C118

D6 Q23

L5

FAN

R63

1

R55 R53 C107 R54

ZD2

Q21

C106

L4

RA46 32

33

R52

1

ZD1C105

Q20

RA41

P11

C102

C101

R51

R49

R50

C98

Q19

R48

C96

Q18

1

R47

R46

C92

C91

11

12

C90

C84C88

Q17

C85

RST

CH8C1

+

5

5 6

B1

C81

A1

C80

16.45253MHZ (WHITE) P12

C110

(WHITE) FUSER

P10 SCNMTR

P9SCNL

C79

1

14

SLOT1

SLOT2

21

(ODD)

RA24

2 R65,R67 R66,R78ADD

1 CP1 CUT SP2SHORT

8MX6

ROM

ROM2L

RA26

RA25

F04 VCC GND

CUT

B48K259 -

C68

F04

C67

#13

RMV #8

W4 SHORT FLSH

W3

CH7

R30

C51

C50

C49

#14

CH5

LS244

LS244

LS244

C58

03124 ABECD

-GCMKC2X

#9

#7

5 F

22	21		C74		22	(ODD)
	C75		(ODD)
						ROM0L
		ROM1L
W2	CP2 SP7 W1						LS245
						C60		#11
	+		RA17	RA19 RA18		RA16	RA14
							RA13

C76

C55

	RA23	RA28	RA27 RA22
								R41
								R40
								R39
								R37
					C66			R35
			5 . 00MHZ			C63		C65
LS245					R32
			XT1
		40		R33				D4
	#10	41 CH6			25	24 +	Q13	D3
									RA15
LS245							R27
							R26
							CH4

RA21	RA20
	C70
		MPC358
	R28

#12
R29
	Q15 Q12 Q10	Q14 Q11 Q9
	Q8	Q7

R38

R36

R34

C64

				2
				4
	C77
	R45		C71
	R44
	R43
	C73		1
Q16	C72
	R42		C69
		L3
D5	L2			15
		C62
R31
			C56
C61
C59
C57		C54
C52
C53			C48
R25
C47
C45 C44C46

1

16

SR
P7
MTR
(RED)	SCN
2
1	FAN
P19
P6
H.VOL

6 G	2		+
7 8 9 H J K
		94V-0	C42			RA8	RA7	RA6	RA10	R23	RA9
L M				98	97	96
						RA5		C40
			(25)								P5 (1)
			A25								A1

(50)	(26)
B25	B1

Font cartridge connector

R24

1

		RA12
BZ1		RA11
#4	R17	D2
LS07		R16
	R15
		D1
	R14
	R13

C43

#6	M38063FP		#5
	64		CH3
			1
	65	80	CH2
R20
		C41
		Q5	Q4
	R12	R22
		C39R21
		R19R18

C38	Q6		FLOCK
			GND
		SP2
			GND

+24VRET

+	+24V
	+5V

2P4

	R11
C34	C37
	C36
	C35
	C33
	#3
	C30
	R6	Q3
	R5
		Q2
		+
C8	#1	Q1

X24C04F

C21

R9

R7

C18

							CH1
			C32
26		25					1
				MPD65632GC			100
50							#2
	51		R3			75	76
R4				C24			C23
			C26
				C20			C17 C19
	DA1		R2 C15				C13
			C11				C10
							C7
			C4 C6		C5

		L1
R10		1
		P3
	R8 C29
RA4		C28
		C27
		C25
RA3	C22
R A2
	C16	19
	C14

C12

C9

2 P . FEED

+24V

+5B

20

+5V

+5V

HEAT

+

C31

POWER

1	P2		RA1		67		C3	+	C2
36									SW1
2		SP1		C1	3334
35		CARD R1						+24V
	IC					68		1 2 P1 PANEL	20
									21

CPU M38063FP

Control panel connector

Font card connector

ASIC MPD65632GC

Figure 3.4 Main PCB (HL-1660)

III - 5