Marantz SR4023 Service Manual page 29

IC41 : T5CB5
Pin
Port Name
No.
1 Vss
2 XIN
3 XOUT
4 TEST
5 VDD
6 P21 (XTIN)
7 P22 (XTOUT)
8 _RESET
9 P20 (_STOP/_INT5)
10 P00 (_INT0)
11 P01 (BOOT/RXD1)
12 P02 (TXD1)
13 P03 (INT1)
14 P04 (SI1)
15 P05 (SO1)
16 P06 (_SCK1)
17 P07 (INT2)
18 VAREF
19 AVDD
20 P60 (AIN0)
21 P61 (AIN1)
22 P62 (AIN2)
23 P63 (AIN3)
24 P64 (AIN4/STOP0)
25 P65 (AIN5/STOP1)
26 P66 (AIN6/STOP2)
27 P67 (AIN7/STOP3)
28 P70 (AIN8)
29 P71 (AIN9)
30 P72 (AIN10)
31 P73 (AIN11)
32 P74 (AIN12)
33 P75 (AIN13)
34 P76 (AIN14)
35 P77 (AIN15)
36 P40
37 P41 (RXD2)
38 P42 (TXD2)
39 P43
40 P44 (SI2)
41 P45 (SO2)
42 P46 (_SCK2)
43 P47
44 P10 (TC1)
45 P11 (_DVO)
46 P12 (_PPG)
P13 (TC3/_PDO3/_
47
PWM3)
P14 (TC4/_PDO4/_
48
PWM4/_PPG4)
49 P15 (INT3/TC2)
P16 (TC5/_PDO5/_
50
PWM5)
51 P17 (TC6/_PDO6/_
PWM6/_PPG6)
I/O Use STBY Name
I Yes VSS
I Yes XIN
O Yes XOUT
I Yes BOOT MODE
I Yes VDD
I/O (I) O O KILL IR
I/O (O) O O KILL FLA
I RESET
I/O (I/I) I WAKE-UP
I/O (I) INT I RDS CLK
I/O (I/I) SI I FLASH RX
I/O (O) SC I FLASH TX
I/O (I) O I SYS-MUTE
I/O (I) O O ST-BY LED
I/O (O) O I VFD SO
I/O(I/O) O I VFD CLK
I/O (O) I
I VREF VREF
I AVDD AVDD
I/O (I) AD AD KEY0
I/O (I) AD AD KEY1
I/O (I) AD AD KEY2
I/O (I) I I PROTECT
I/O (I/I) I
I/O (I/I) I I VOL UP
I/O (I/I) I I VOL DOWN
I/O (I/I) I I SEL-
I/O (I) I I SEL+
I/O (I) AD AD OPTION0
I/O (I) AD AD OPTION1
I/O (I) I
I/O (I) I
I/O (I) I I P_LINE_FAIL
I/O (I) I
I/O (I) O I REMOTE_SEL
I/O O I RDS LED
I/O (I) O I VFD RS
I/O (O) O I VFD RESET
I/O I I POWER-DOWN
I/O (I) O I VFD CS
I/O (O) O I PLL/F-DATA
I/O
O I PLL/F-CLK
(I/O)
I/O I I RDS DATA
I/O (I) TC1 I RC-IN
I/O (I) O I PLL CE
I/O (O) I I PLL D/I
I/O (O) O I POWER ON
I/O
O I RC-5_OUT
(I/O)
I/O
O I T-MUTE
(I/O)
I/O (I/I) I I TU_SD
I/O
I I TU_ST
(I/O)
Port
Setting Note
Act. init
L GND
16MHz ,Resonator
16MHz ,Resonator
H L Boot Mode (Normal : L / Boot : H)
H +5V
H L Kill to IR Output Signal
H L Kill to FLASHER Output Signal
L H Reset
L Pull-down(47K ohm)
- - Tuner RDS Clock (Tuner Pck)
UART for RS232C Flush WR Pull Up
- -
Reset : "H"
- l UART for RS232C Flush WR Pull Up
H H System Mute
H H Standby LED
- L Front FL Driver SO
- L Front FL Driver CLK
L Pull-down(47K ohm)
+5V
+5V
- - Front Key 0
- - Front Key 1
- - Front Key 2
Power Amp Fail : Heat sink Temp/DC
L -
Detect
L Pull-down(47K ohm)
- - Front Vol. Encoder
- - Front Vol. Encoder
- - Front Select Encoder
- - Front Select Encoder
- - OPTION0(MODEL)
- - OPTION1(VERSION)
L Pull-down(47K ohm)
L Pull-down(47K ohm)
L - Emergency Protection
L Pull-down(47K ohm)
H L Pull-down(47K ohm)
H L Pull-down(47K ohm)
- - Front FL Driver RS
L - Front FL Driver Reset
L - Power Down Detect
L - Front FL Driver Chip Serect
Tuner/Function PLL Data out (Tuner
- L
Pack)
- L Tuner/Function PLL Clock (Tuner Pack)
- - Tuner RDS Data In (Tuner Pack)
- IR In for RC-5
- L Tuner PLL CE (Tuner Pack)
- L Tuner PLL Data in (Tuner Pack)
H L Power ON/Standby
L L RC-5 OUT
H H Tuner Mute (Tuner Pack)
L - Tuner Tuned (Tuner Pack)
L - Tuner Stereo/Mono (Tuner Pack)
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