Kenwood RXD-NV500 Service Manual page 8

RXD-NV500/NV600
Pin No. Name
43 SEL_MUTE
44 MD_PROTECTION
45 MD_RESET
46 POWER
47 MD_CE
48 A_MUTE
49 PROTECTION
50 HP_SW
51 EX_AMP_STB
52 EX_AMP_CLK
53 EX_AMP_DATA
54 ATT
55 SW_MUTE
56 SP_RELAY
57 HP_RELAY
58 EMP_MONO
59 PLL_DO
60 PLL_CE
61 PLL_CLK
62 +5V
63 PLL_DATA
64 GND
65 STEREO
66 SD
67 TUNER_MUTE
68 DECK_DATA
69 DECK_CLK
70 DECK_LAT
71 REC_F_SW
72 PACK_SW
73 PLAY_SW
74 CrO2_SW
75 REC_R_SW
76 REM_SW
77 LED_DATA
78 LED_CLK
79 LED2
80 LED1
81 RTREN
82 RWR
83 RWRREQ
84 REM_DATA
85 REM_CLK
86 REM_LAT
87~89 SIMUKE3~1
90 2CH/3CH
91,92 KEY1,2
93 DPSS
94 PHOTO
95 FAN_SENSOR
96 AVSS
97 RDS_SLEVEL
98 VREF
99 AVCC
100 NC
8
CIRCUIT DESCRIPTION
I/O Connect
O PD Selector CD,MD,TAPE mute output
I PU Protection detect input (MD)
O PD MD ucom reset
O PD Power relay control
O PD MD ucom power supply ON/OFF detect output
O PD Mute control output
I PU Protection detect input
I PU Phones jack detect input
O PD AMP expander IC latch output
O PD AMP expander IC clock output
O PD AMP expander IC data output
O PD Attenuator control output
O PD Sub woofer mute control 2CH MUTE L: MUTE ON
3CH RELAY
O PD Speaker relay control
O PD Phones relay output
O PD Tuner emphasis control
I PU PLL IC data input LC72131
O PD PLL IC CE LC72131
O PD clock output to PLL IC
I VDD LC72131
O PD Data output to PLL IC
I GND LC72131
I PU Tuner STEREO detect input
I PU Tuner SD detect input
O PD Tuner MUTE output
O PD DECK expander IC data output
O PD DECK expander IC latch output
O PD DECK expander IC clock output
I PU DECK F-REC SW input
I PU DECK PACK SW input
I PU DECK PLAY SW input
I PU DECK CrO2 detect SW input
I PU DECK R-REC SW input
I PU Remocon and set connection detect SW input
O PD LED expander IC clock output
O PD LED expander IC data output
O PD Standby/timer RED LED output
O PD Standby/timer GREEN LED output
I PD Remocon IC data transmit permission signal input
I PD Remocon IC data read request signal input
O PD Remocon IC data read signal input
O PD Remocon output expander IC data output
O PD Remocon output expander IC latch output
O PD Remocon output expander IC clock output
I PU Destination distinction input
I PU Speaker output 2ch/3ch select distinction input
I PU Key A/D input 1,2
I PU DECK DPSS detect A/D input
I PU DECK run detect input
I PU FAN control noise level detect input
I GND A/D converter GND
I PD RDS S level input
I VDD A/D converter reference voltage
I VDD A/D converter power supply
O NO USED
Description
H = ON
H = NORMAL
H = NORMAL
H = ON
H = NORMAL
H = OFF
H = PROTECTION
L = INSERT PHONES JACK
H = OFF
H: SUB WOOFER ON
H = ON
H = ON
H = EMP
H = MONO
H = NO TUNED
H = ON
H = OFF
H = OFF
H = OFF
H = CrO2
H = OFF
H: INSERT REMOCON
L = ON
L = ON
L = READ REQUEST
L = READING
+5V(non backup 5V)
+5V(backup 5V)
L = PROTECT
L = RESET
L = OFF
L = AC OFF
L = ON
L = ON
L = OFF
L = OFF
L = MONO
L = STEREO
L = TUNED
L = OFF
L = ON
L = ON
L = ON
L = Normal
L = ON
L = permission
H: 2CH