Yamaha CDR-HD1500 Service Manual page 34

CDR-HD1500
QQ
3 7 63 1515 0
IC2 : HD6417014F28 (MAIN P.C.B.)
µ-COM (CPU)
No. Port Name
76 NMI
77 Vcc
78 MD1
79 MD0
80 PLLVCC
81 PLLCAP
82 PLLVSS
83 CK
84 /RES
85 TIOC0A LED_HD_B
86 TIOC0B LED_HD_A
87 TIOC0C LED_CD_B
88 TIOC0D LED_CD_A
89 PE4 SB_N_FL
90 Vss
91 AN0 PUI_KEY0
92 AN1 PUI_KEY1
93 AN2 PUI_KEY2
94 AN3 PUI_KEY3
95 AN4 PUI_KEY4
96 AN5 PUI_KEY5
97 AVSS
98 AN6 PUI_KEY6
99 AN7 PUI_KEY7
TE
L 13942296513
100 AVCC
101 Vss
102 PE5 SB_SCK
103 Vcc
104 PE6 OSD_BITO
105 PE7 FLASH_N_VPP
106 PE8 SB_DATA
107 PE9
108 PE10
109 VSS
110 PE11
111 PE12
112 PE13
Key Input (A-D) Pull-Up Resistance 10 k-Ohms
Ohm +2.2 k
V ~1.5
PUI_KEY0 INPUT
91pin/AN0
PUI_KEY1 FF/SKIP+
92pin/AN1
PUI_KEY2 TEXT/TIME
93pin/AN2
www
PUI_KEY3 COPY
94pin/AN3
PUI_KEY4 CLEAR
95pin/AN4
.
34
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I/O
I NMI input
+5V Power Supply
I Setting CPU operation mode
I Setting CPU operation mode
+5V Power Supply
O PLL Capacitor Terminal
GND
O Peripheral device clock
I Reset input
O Panel LED control
O Panel LED control
O Panel LED control
O Panel LED control
O FL control IC chip select
GND
I Panel key input
I Panel key input
I Panel key input
I Panel key input
I Panel key input
I A/D input for Thermistor
GND for A/D
I Panel key input
I Panel key input
+5V power supply for A/D
GND
O SB serial clock
+5V power supply
I for extend
for extend
O SB IC serial data
DIP0 for extend
DIP1 for extend
GND
LED0 for extend
LED1 O RS-232C output
LED2 I RS-232C input
+4.7 k
~2.5
ERASE
COMPLETE
TRACK NO./
BOOKMARK
CDR
x ao
y
MENU
i
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8
Function
Q Q
3 6 7 1 3
+8.2 k +22.0 k
~3.5 ~4.5
FINALIZE REC
PLAY/PHOUSE STOP
REW/SKIP- OPEN/CLOSE
HDD A.M.Q.R.
u163
ENTER MODE
(MULTI JOG)
.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9