Circuit Description - Kenwood DPF-1010 Service Manual

1. Microprocessor : CXP82324 (MAIN unit : IC601)
1-1 Pin description
Pin No. Pin name
1 GFS
2 RMC
3-5 PE5~7
6 MUTE
7 MLEN
8 MCK
9 SENS
10 MDT
11 SQCK
12 SUBQ
13 PB7
14-17 KR0-KR3
18 OPEN_M
19 CLOSE_M
20 MON
21 PC7
22 DATA
23 XLT
24 CLK
25 FOK
26 LDON
27 A_MUTE
28 XRST
29 PA7
30 RESET
31 XI
32 XO
33 Vss
34-46 –
47-57 SEG11~SEG1
58-61 –
62-70 G9-G1
71 Vfdp
72 Vdd
73 NC
74 FED_SW
75 MODE_SW
76 S_DATA
77 S_BUSY
78 SCCR
79 OP_SW
80 CL_SW
2. Key matrix
KS10 (48pin)
KR0 (14pin) 2
KR1 (15pin) 8
4
KR2 (16pin)
KR3 (17pin) EDIT
DPF-1010/1010E/2010/2010E/3010/3010E

CIRCUIT DESCRIPTION

I/O
I NOT USED
I REMOCON INPUT PORT
– NOT USED
O DIGITAL MUTE
O TC9423F LATCH CONTROL
O TC9423F CLOCK CONTROL
I SENSE INPUT FROM CXD2587Q
O TC9423F DATA CONTROL
O CLOCK TO READ Q_DATA
I Q_DATA INPUT PORT
O NOT USED
I KEY INPUT PORT
O OPEN MOTOR
O CLOSE MOTOR
O SPINDLE MOTOR ON "H"
O NOT USED
O DATA OUT TO CXD2587Q
O LATCH OUT TO CXD2587Q
O CLOCK OUT TO CXD2587Q
I FOCUS OK INPUT PORT
O LASER OUTPUT
O ANALOGUE MUTE
O IC RESET PORT
I OPTION
– (RESET)
– (XTAL1) 4.19 MHz
– (XTAL0) 4.19 MHz
– (GND)
O NOT USED
O FL SEGMENT PORT (SEG11~SEG1) / KEY SCAN KS10~KS4 (48PIN~54PIN)
O NOT USED
O FL DIGIT PORT
– FL DRIVER POWER (-26V)
– (+5V)
– CONNECTED TO Vdd
I LIMIT SWITCH
I 8/16BIT
I/O SYSTEM SERIAL DATA
I/O SYSTEM SERIAL BUSY
I SCOR FROM CXD2587
I OPEN SWITCH
I CLOSE SWITCH
KS9 (49pin) KS8 (50pin)
4 3
10 REPEAT
‰ II
STOP
CLEAR TIME
Description
(ON : "H") DPF-1010/2010 ONLY
(ACTIVE "L")
(ACTIVE "L")
(ON : "L")
(ON : "H")
L : DPF-1010/2010
(ON : "L")
(L : 8BIT , H : 16BIT)
(ON : "L")
(ON : "L")
KS7 (51pin) KS6 (52pin)
5
6
— —
— 7
¡
RANDOM
— PEAK SEARCH
H : DPF-3010
KS5 (53pin) KS4 (54pin)
5 1
0 9
¢ 1
CHECK PROGRAM
3