Marantz SR5300, Service Manual

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49 50
PIN NO PIN NAME opeation description ASSIGN
1 6dB ATT Output for 6dB ATT O
2 DSP SCD_OUT INPUT Port for DSP SCD_OUTPUT Signal I
3 DSP INT_REQ Input for DSP Interrupt Request O
4 ABOOT Output for DSP AUTOBOOT O
5 S-dir ON/OFF MUTE Mute Whenever Source direct key ON/OFF O
6 ERR Mute Output for DSP error mute ACTIVE HIGH O
7 DSP SDIN DSP,DIR,DA Convertor SPI Serial Data INPUT O
8 DSP SCLK DSP,DIR,DA Convertor Control Signal Clock O
9 DSP Reset DSP Reset O
10 DSP CE DSP Chip Enable
O
11 E2PROM CE E2PROM Chip Enable O
12 ROM3 EPROM Address (Adrr.15) O
13 ROM2 EPROM Address (Adrr.16) O
14 ROM30 EPROM Address (Adrr.17) O
15 ROM31 EPROM Address (Adrr.18) O
16 74HC151_A2 MM74HC151 Select 0 (A2) DIGITAL INPUT SELECT O
17 74HC151_A1 MM74HC151 Select 0 (A1) DIGITAL INPUT SELECT
O
18 74HC151_A0 MM74HC151 Select 0 (A0) DIGITAL INPUT SELECT O
19 Dir DOUT LC89055 DATA OUTPUT O
20 Dir CE LC89055 Chip Enable O
21 Dir RST LC89055 RESET O
22 F_SPK_RLY Front Speaker Relay FRONT SPEAKER RELAY ON/OFF O
23 H/P RLY HeadPhone Relay HEADPHON RELAY ON/OFF O
24 CV MUTE C-VIDEO MUTE O
25 Front Mute Front Mute O
26 Center Mute Center Mute O
27 R Center Mute Rear Center Mute O
28 Subwoofer Mute Subwoofer Mute O
29 H/P RLY Output for "HEADPHONE RELAY ON/OFF" O
30 Power Relay POWER ON/OFF RELAY O
31 Main OSD CE Main OSD Chip Enable O
32 DAC RST AK5380 RESET O
33
34
ATT LED Output to drive Attenuation LED ACTIVE HIGH O
35 Display Off LED Output to drive Display off LED ACTIVE HIGH O
36 PEAK LED Output to drive Peak Indication LED ACTIVE HIGH O
37 Night Mode LED Output to drive Night Mode LED ACTIVE HIGH
O
38 HT_EQ LED Output to drive HT_EQ LED ACTIVE HIGH O
39 FL Reset Output for resetting LC75721 FLT DRRVE IC O
40 MCU Reset Input for resetting the CPU ACTIVE LOW I
41 GND Ground O
42 XTAL Output for 12MHz crystal oscillator
43 EXTAL Input for 12MHz crystal oscillator O
44 FL Drv. CE Output for chip enable of LC75721 FLT DRIVE IC O
45 FL Drv. Data Output for data of LC75721 FLT DRIVE IC O
46 FL Drv. CLK Output for clock of LC75721 FLT DRIVE IC O
47 Standby LED Output to drive standby LED O
48 Vol.Encoder Down Volume Encoder Down Turning clockwise, volume is up I
49 Vol.Encoder Up Volume Encoder Up Turning counterclockwise, volume is down I
50 Surr.mode Encoder Up Surround mode Selector Up I
51 Surr.mode Encoder Down Surround mode Selector Down
I
52 GND Avss
53 V
DD
Reference voltage(connected to +5V) AV
REF
I
54 V
DD
+5V BACK UP' +5V power supply(AV
DD
) I
55 Protection Input for detecting "PROTECTION'' condition ACTIVE HIGH I
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 I
58 Set Option Input for selecting the Set SR6300 : 0V , SR5300 : 3.3V I
59 Key3 Data input key scan Check port for AD key input I
60 Key2 Data input key scan Check port for AD key input
I
61 Key1 Data input key scan Check port for AD key input I
62
63
CS4382_M3 Serial clock for the Direct O
Stream Digital audio interface
64 Auto TV(C) Input for detecting CVBS TV input signal ACTIVE HIGH I
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 I
68 V-SYNC Input for detecting synchronization signal output I
from BA7046
69
70
KILL RC5 Output for killing the remote control input ACTIVE HIGH O
71
72
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 I
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 I
of Headphones automatically to STEREO.
81
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 O
85 Remote Control RC5 In I
86 AUTO Input for non-PCM burst data transfer
I
detection signal
87 AUDIO Input for channel status bit 1 I
88 GND Ground
89 V
DD
+5V power supply
90 N.C
91 PLL/Vol. CLK Output for clock of LC75131 PLL IC and KIC9459,
O
KIC9482 VOLUME IC
92 PLL/Vol. Data Output for data of LC75131 PLL IC and KIC9459, O
KIC9482 VOLUME IC
93 TC9459/9482 CE Output for chip enable of KIC9459, KIC9482 O
VOLUME IC
94 PLL Data In Input for detecting "SCAN STOP" condition I
98 PLL CE Output for chip enable of LC72131 PLL IC O
95 Tuner Mute Output for TUNER MUTE ACTIVE LOW O
(" L" condition is active)
96 Stereo Input for detecting "STEREO" condition If LOW is detected, STEREO flag is on. I
97 Tuned Input for detecting "TUNED" condition If LOW is detected, TUNED flag is on. I
99 4094/OSD CLK Output for clock of BU4094, CD4094 O
SHIFT RESISTOR and M35010 OSD IC
100 4094/OSD Data Output for data of BU4094, CD4094 O
SHIFT RESISTOR and M35010 OSD IC
PIN NO PIN NAME opeation description ASSIGN
4094/OSD Data
4094/OSD Clock
PLL Chip Enable
Tuned
Stereo
Tuner Mute
PLL Data In (PLL -> MCU)
TC9459/9842 Chip Enable
PLL/Volume Data
PLL/Volume Clock
V
DD
GND
Remote Control (RC5 In)
RC5 Out
Rear Select
TONE_DIR
PC6
PC7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
NC
V
DD
V
SS
PK1/TX
PK2/TEX
PI1/RMC
PI2/NMI(L)
PI3/TO0/ADJ
PI4/INT1/CS1(L)
PI5/SCK1(L)
6dB Attenuation
PC5
PI6/SO1
Headphone Check (L)
CS49326_SCD_OUT
PC4
PI7/SI1
RDS Data
CS49326_INT_REQ
PC3
PE0/INT0
RDS Clock
ABOOT
PC2
PE1/INT2
Power Down Check
Source_Dir_ON/OFF
PC1
PE2/PWM0
TC9274/9164 Chip Enable
ERR_MUTE
PC0
PE3/PWM1
TC9274/9164 Data
CS49326/AK4382/LC89055_SDIN
PB7/SI2
PE4
TC9274/9164 Clock
C
S49326/AK4382/LC89055_SCLK
PB6/SO2
PE5
4094(RLY, DC) Chip Enable
CS49326_RST
PB5/SCK2(L)
PE6
CS49326_CE
PB4/TO2
PE7
E2PROM_CE
PB3
PG0/T
X
D
KILL RC5
ROM3
PB2
PG1/R
X
D
ROM2
PB1
PG2/EC0(L)
V-SYNC
ROM30
PB0
PG3/EC1(L)
S. Video Detector
ROM31
PJ7
PG4/EC2(L)
AK4382_RST
74HC151_A2
PJ6
PG5/INT3
4094 Chip Enable
74HC151_A1
PJ5
PG6/INT4
Auto TV (C)
74HC151_A0
PJ4
PG7/CINT
CS4382_M3
LC89055_DOUT
PJ3
AN0
LC89055_CE
PJ2
AN1
Key 1
LC89055_RST
PJ1
AN2
Key 2
Front Speaker Relay
PJ0
AN3
Key 3
Headphone Relay
PD7
PF0/AN4
Set Option
C-VIDEO Mute
PD6
PF1/AN5
Step Option
Front Mute
PD5
PF2/AN6
CS4382_M2
Center Mute
PD4
PF3/AN7
Protection
R Center Mute
PD3
AV
DD
V
DD
Subwoofer Mute
PD2
AV
REF
V
DD
Rear mute
PD1
AV
SS
GND
Power Relay
PD0
PF4/AN8
Surr.mode Encoder Down
PH7
PH6
PH5
PH4 (L)
PH3 (L)
PH2 (L)
PH1 (L)
PH0 (L)
PK7/TO1
RST(L)
V
SS
XTAL
EXTAL
PK6/CS0(L)
PK5/SI0
PK4/SO0
PK3 (H) / SCK0 ( L)
PF7/AN11
PF6/AN10
PF5/AN9
Mainroom OSD Chip Enable
AK5380_RST
Attenuation LED
Display Off LED
PEAK LED
Night Mode LED
HT_EQ LED
FL Reset
MCU Reset
GND
FL Drv.(LC75721E) Chip Enable
FL Drv. Data
FL Drv. Clock
Standby LED
Volume Encoder Down
Volume Encoder Up
Surr.mode Encoder Up
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57
46
45
44
43
42
41
40
39
38
37
36
35
33
32
31
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
34
29 28 27 26 25 30
50
49
48
47
56 55 54 53 52 51
84
83
82
81
12MHz
CXP740010
L : Low Active
Port H : Open Drain (Needs Pull-up)
Pin Function
IC714:CS4382
Pin Assignment
IC805:M35013
Pin Assignment
Pin Function
IC107:CXP740010
Pin Assignment