Sherwood RD-7502 Service Manual page 17

Pin No. Symbol
50 MD1
51 MD2
52 KEY3_INTERRUPT
53 TUNED
54 PLL_DATA
55 PLL_CLK
56 PLL_DATAIN
57 RDS_CLK
58 PLL_CE
59 RDS_DATA
60 NJW1197_MUTE
61 M24C08_SDAT
62 M24C08_SCLK
63 NC
64 RMC
65 NC
66 CODEC/DSP_SCDIN
67 CODEC/DSP_SCCLK
68 DSP_CE
69 DSP_RDY
70 DSP/FLASH_RST
71
DSP_SDOUT
72 DSP_MUTE
73 AK4588_CE
74 AK4588_CDTO
75 AK4588_PD
76 PROTECTION
77 RESET
78 POWER DOWN
79 X1A
80 X0A
81 VSS
82 XIN
83 XOUT
84 VCC3
85 XM_IRQ
86 XM_COMMSEL
87 XM_RESET
88 XM_DAC_PDN
89 XM_DAC_CSN
90 XM_DAC_CCLK
91 XM_DAC_CDTI
92 XM_DAC_MUTE
93 HDMI_S3
94 HDMI_S2
95 HDMI_HPD
96 VOL. DOWN
97 VOL. UP
98 FUNC_DOWN
99 FUNC_UP
100 FL_CE
UPGRADE
UPGRADE
INTERRUPT for KEY3.
Input for detecting "TUNED" condition(At "L", it is active)
Data signal output for "LC72131"
Clock signal output for "LC72131"
Input from "LC72131"
Clock signal input from "BU1924"
Output for chip enable of "LC72131"
Input for RDS data from "BU1924"
MUTE signal output for NJW1197.
Input/output for M24C08.
Clock signal output for M24C08.
Not used!
Input for remocon data.
Not used!
Data signal output for AK4588/DA607
Clock signal output for AK4588/DA607
Output for chip enable of da607
output for ready signal to da607
Reset signal output to da607/M29W400
Chip select signal output to CS49326
Output for surround channel mute(At "L", it is active)
Output for chip enable of AK4588
Input for AK4588 Control Data Output
Output for AK4588 Power Down
Input for detecting "PROTECTION" condition
Input for resetting the CPU(At "L", it is active)
Input for power down.
UPGRADE
UPGRADE
Ground
Input for 10MHz crystal oscillator
Output for 10MHz crystal oscillator
+3.3V power supply
Input for Interrupt request of XMDT IC.
Output for commend mode select of XMDTIC.
Output for resetting the XMDTIC(At "H", it is active)
Output for power down of AK4385.
Output for chip select of AK4385.
Output for control clock of AK4385.
Output for control data of AK4385.
Output for analog output mute (At "H", it is active)
Output for HDMI Input select of TMDS341
Output for HDMI Input select of TMDS341
Output for HPD ON/OFF
Input for main volume down.
Input for main volume up.
Input for main function down.
Input for main function up.
Output for chip enable of PT6315
16
Description