Sony HCD-V818 Service Manual page 66

• IC801 PANEL CONTROL ( TMP87CH48DF)
Pin Name
Pin No.
1 VSS
2 X OUT
3 X IN
4 RESET
5 MUTE
6 MODE_0
7 TEST
8 MODE_1
9 YB_CLK
10 NAR/YB_RDY
11 MSM6654/BSY
12 MSM6654/RST
13 MSM6654/CH
14 MSM6654/DATA
15 MSM6654/CLK
16 MSM6654/LAT
17 YB_D0
18 IC2 CLK
19 IC2 DATA
20 YB_D3
21 UART RX
22 UART TX
23 to 26 NC
27 JOG_A
28 JOG_B
29 SIRCS
30 VASS
31 VAREF
32 DVDD
33 BPF/LOW
34 BPF/LOW-MID
35 BPF/HIGH-MID
36 BPF/HIGH
37 L + R
38 KEY/0
39 KEY/1
40 KEY/2
41 to 56 NC
57 to 60 GND
61 BPM_LED_B
62 BPM_LED_A
63 BOMBER_LED
64 ON/OFF_LED
I/O
– Ground
O
X'tall (8MHz)
I
I Reset signal input
I Mute ON/OFF selection input
I
–
Connected to ground
I
O
I Connected to VDD
I Busy signal input for IC851 (MSM6653A)
O Reset signal output for IC851 (MSM6653A)
O Channel signal output for IC851 (MSM6653A)
O Data signal output for IC851 (MSM6653A)
O Clock signal output for IC851 (MSM6653A)
O Latch signal output for IC851 (MSM6653A)
I Connected to ground
I Serial clock input from master controller
I Serial data input from master controller
I
I Connected to ground
O
O Connected to ground
I
Rotary encoder (S601) pulse input
I
I Remote commander signal input
– Ground
I Analog reference voltage input
– Power supply (+5V)
I Spectrum analyzer input
I Connected to ground
I Connected to ground
I Spectrum analyzer input
I Spectrum analyzer (high frequency) input
I
Key input
I
I Connected to VDD
O Not used
– Ground
O
O
LED Drive output
O
O
– 98 –
Function