Marantz SR5300 Service Manual page 33

IC714:CS4382
Pin Assignment
Pin Function
49
IC805:M35013
Pin Assignment
IC107:CXP740010
Pin Assignment
Mainroom OSD Chip Enable PH7
AK5380_RST PH6
PH5
Attenuation LED PH4 (L)
Display Off LED PH3 (L)
PEAK LED PH2 (L)
Night Mode LED PH1 (L)
HT_EQ LED PH0 (L)
FL Reset PK7/TO1
MCU Reset RST(L)
GND V
SS
XTAL
EXTAL
FL Drv.(LC75721E) Chip Enable PK6/CS0(L)
FL Drv. Data PK5/SI0
FL Drv. Clock PK4/SO0
Standby LED PK3 (H) / SCK0 ( L)
Volume Encoder Down PF7/AN11
Volume Encoder Up PF6/AN10
Surr.mode Encoder Up PF5/AN9
Pin Function
PIN NO PIN NAME opeation description
1 6dB ATT Output for 6dB ATT
2 DSP SCD_OUT INPUT Port for DSP SCD_OUTPUT Signal
3 DSP INT_REQ Input for DSP Interrupt Request
4 ABOOT Output for DSP AUTOBOOT
5 S-dir ON/OFF MUTE Mute Whenever Source direct key ON/OFF
6 ERR Mute Output for DSP error mute ACTIVE HIGH
7 DSP SDIN DSP,DIR,DA Convertor SPI Serial Data INPUT
8 DSP SCLK DSP,DIR,DA Convertor Control Signal Clock
9 DSP Reset DSP Reset
10 DSP CE DSP Chip Enable
11 E2PROM CE E2PROM Chip Enable
12 ROM3 EPROM Address (Adrr.15)
13 ROM2 EPROM Address (Adrr.16)
14 ROM30 EPROM Address (Adrr.17)
15 ROM31 EPROM Address (Adrr.18)
16 74HC151_A2 MM74HC151 Select 0 (A2) DIGITAL INPUT SELECT
17 74HC151_A1 MM74HC151 Select 0 (A1) DIGITAL INPUT SELECT
18 74HC151_A0 MM74HC151 Select 0 (A0) DIGITAL INPUT SELECT
19 Dir DOUT LC89055 DATA OUTPUT
20 Dir CE LC89055 Chip Enable
21 Dir RST LC89055 RESET
22 F_SPK_RLY Front Speaker Relay FRONT SPEAKER RELAY ON/OFF
23 H/P RLY HeadPhone Relay HEADPHON RELAY ON/OFF
24 CV MUTE C-VIDEO MUTE
25 Front Mute Front Mute
26 Center Mute Center Mute
27 R Center Mute Rear Center Mute
28 Subwoofer Mute Subwoofer Mute
29 H/P RLY Output for "HEADPHONE RELAY ON/OFF"
30 Power Relay POWER ON/OFF RELAY
31 Main OSD CE Main OSD Chip Enable
32 DAC RST AK5380 RESET
33
34 ATT LED Output to drive Attenuation LED ACTIVE HIGH
35 Display Off LED Output to drive Display off LED ACTIVE HIGH
36 PEAK LED Output to drive Peak Indication LED ACTIVE HIGH
37 Night Mode LED Output to drive Night Mode LED ACTIVE HIGH
38 HT_EQ LED Output to drive HT_EQ LED ACTIVE HIGH
39 FL Reset Output for resetting LC75721 FLT DRRVE IC
40 MCU Reset Input for resetting the CPU ACTIVE LOW
41 GND Ground
42 XTAL Output for 12MHz crystal oscillator
43 EXTAL Input for 12MHz crystal oscillator
44 FL Drv. CE Output for chip enable of LC75721 FLT DRIVE IC
45 FL Drv. Data Output for data of LC75721 FLT DRIVE IC
46 FL Drv. CLK Output for clock of LC75721 FLT DRIVE IC
47 Standby LED Output to drive standby LED
48 Vol.Encoder Down Volume Encoder Down Turning clockwise, volume is up
49 Vol.Encoder Up Volume Encoder Up Turning counterclockwise, volume is down
50 Surr.mode Encoder Up Surround mode Selector Up
PC6 4094/OSD Data
PC7 4094/OSD Clock
PA0 PLL Chip Enable
PA1 Tuned
CXP740010 PA2 Stereo
PA3 Tuner Mute
PA4 PLL Data In (PLL -> MCU)
PA5 TC9459/9842 Chip Enable
PA6 PLL/Volume Data
PA7 PLL/Volume Clock
L : Low Active
NC
V V
DD DD
V GND
SS
PK1/TX
Port H : Open Drain (Needs Pull-up)
PK2/TEX
PI1/RMC Remote Control (RC5 In)
PI2/NMI(L) RC5 Out
PI3/TO0/ADJ Rear Select
PI4/INT1/CS1(L)
TONE_DIR
PI5/SCK1(L)
ASSIGN PIN NO PIN NAME opeation
O 51 Surr.mode Encoder Down Surround mode Selector Down
I 52 GND Avss
O 53 V Reference voltage(connected to +5V) AV
DD REF
O 54 V +5V BACK UP' +5V power supply(AV
DD
O 55 Protection Input for detecting "PROTECTION'' condition ACTIVE HIGH
O 56 CS4382_M2 Output for CS4382 Serial Control Clock
O 57 Step Option Input for selecting the Group U1B: 0V, N1B: 1.7V, KIG: 3.3V
O 58 Set Option Input for selecting the Set SR6300 : 0V , SR5300 : 3.3V
O 59 Key3 Data input key scan Check port for AD key input
O 60 Key2 Data input key scan Check port for AD key input
O
61 Key1 Data input key scan Check port for AD key input
O
62
O 63 CS4382_M3 Serial clock for the Direct
O Stream Digital audio interface
O 64 Auto TV(C) Input for detecting CVBS TV input signal ACTIVE HIGH
O 65 4094 CE Output for chip enable of BU4094 shift resistor
O 66 ADC_RST A/D Convertor AK4382 RESET
O 67 S. Video Detector Input for detecting S-VIDEO input signal ACTIVE HIGH
O 68 V-SYNC Input for detecting synchronization signal output
O from BA7046
O 69
O 70 KILL RC5 Output for killing the remote control input ACTIVE HIGH
O 71
O
72
O 73 4094(RLY,DC) CE CD4094(RLY,DC0 Chip Enable
O 74 TC9274/9164 CLK Switch IC TC9274/NJU7313 Clock
O 75 TC9274/9164 Data Switch IC TC9274/NJU7313 DATA
O 76 TC9274/9164 CE Switch IC TC9274/NJU7313 Chip Enable
O 77 Power Down Check Input for power down
O 78 RDS Clock Output for RDS clock of TDA7330
O 79 RDS Data Output for RDS data of TDA7330
O 80 Headphone Check Input for detecting the connection If LOW is detected, the surround mode is switched
of Headphones automatically to STEREO.
O 81
O 82 TONE_Dir Output for TONE DIRECT ON/OFF RELAY
O 83 R_SEL Output for Rear channel selector IC BU4053
O 84 RC5 Out Output for RC5 REMOCON signal
85 Remote Control RC5 In
O
O
86 AUTO Input for non-PCM burst data transfer
I
detection signal
O
87 AUDIO Input for channel status bit 1
O
88 GND Ground
O
89 V +5V power supply
O DD
O 90 N.C
O 91 PLL/Vol. CLK Output for clock of LC75131 PLL IC and KIC9459,
I KIC9482 VOLUME IC
I 92 PLL/Vol. Data Output for data of LC75131 PLL IC and KIC9459,
I KIC9482 VOLUME IC
93 TC9459/9482 CE Output for chip enable of KIC9459, KIC9482
VOLUME IC
94 PLL Data In Input for detecting "SCAN STOP" condition
98 PLL CE Output for chip enable of LC72131 PLL IC
95 Tuner Mute Output for TUNER MUTE ACTIVE LOW
(" L" condition is active)
96 Stereo Input for detecting "STEREO" condition If LOW is detected, STEREO flag is on.
97 Tuned Input for detecting "TUNED" condition If LOW is detected, TUNED flag is on.
99 4094/OSD CLK Output for clock of BU4094, CD4094
SHIFT RESISTOR and M35010 OSD IC
100 4094/OSD Data Output for data of BU4094, CD4094
SHIFT RESISTOR and M35010 OSD IC
50
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