Sony STR-DH800 Service Manual page 48

STR-DH800
QQ
3 7 63 1515 0
• IC Pin Function Description
DIGITAL BOARD IC2018 MB91F467RAPMC-GE1 (SYSTEM CONTROLLER)
Pin No. Pin Name
1 VSS
2 NO_USE
3 CEC_IN
4 VUCOM_SDA (I2C)
5 VUCOM_SCL (I2C)
6 FLI_DATA/N1
7 FLI_CLK/N1
8 CEC_OUT
9 UPDATE SW/N1
10 FLI STBY/N1
11, 12 VCC3_(3.3V)
13 VSS_(GND)
14 C_1
15 STOP
16 POWER_RELAY
17 HDMI_ERROR
18 H_RESET
19 DAC_RESET
20 GPI01/N1
21 CNVSS
22 HSYNC_SEL/N1
23 FLI_RESET/N1
24 GPI02/N1
TE
L 13942296513
25 NO_USE
26 HP_DETECT
27 HP_RELEY
28 NMIX
29 C_SURR_RELEY
30 SW_PREOUT_RELEY
31 FRONT_A_RELEY
SBL_SBR_BIAMP_
32
RELEY
33 BRIDGABEL_RELEY
34, 35 NO_USE
36 VCC3_(3.3V)
37 C_2
38 VSS_(GND)
39 X0_ (CLOCK_IN)
40 X1_(CLOCK_OUT)
41 VSS_(GND)
42 X0A_(SUB_CLOCK_IN)
X1A_
43
(SUB_CLOCK_OUT)
44 VCC3_(3.3V)
45 VSS_(GND)
46 DAC_SDA/N1
47 DAC_SCL/N1
48 MIC_MUTE
www
49 FL_BK
50 to 52 NO_USE
53 TUNE+/-1
.
54 TUNE+/-2
55 FUNC_1
56 FUNC_2
48
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I/O
- Ground terminal
- Not used
I CEC serial data input from the HDMI connector
I/O I2C data bus with the HDMI controller
O I2C clock signal output to the HDMI controller
- Not used
- Not used
O CEC serial data output to the HDMI connector
- Not used
- Not used
- Power supply terminal (+3.3V)
- Ground terminal
- External capacitor connection terminal for internal regulator
I AC off detection signal input terminal
O Relay drive signal (for main power) output terminal
I Error signal input from the HDMI controller and HDMI receiver
O Reset signal output to the HDMI controller
- Not used
- Not used
- Not used
- Not used
- Not used
- Not used
- Not used
I Headphone plug insert detection signal input terminal
O Relay drive signal (for headphone) output terminal
- Not used
O Relay drive signal (for center and surround) output terminal
O Relay drive signal (for subwoofer) output terminal
O Relay drive signal (for front A) output terminal
O Relay drive signal (for surround back) output terminal
O Relay drive signal (for power supply) output terminal
- Not used
- Power supply terminal (+3.3V)
- External capacitor connection terminal for internal regulator
- Ground terminal
I Main system clock input terminal (4 MHz)
O Main system clock output terminal (4 MHz)
- Ground terminal
I Sub system clock input terminal
O Sub system clock output terminal
- Power supply terminal (+3.3V)
- Ground terminal
- Not used
- Not used
O Microphone muting on/off control signal output terminal
O Blanking period signal output to the fl uorescent indicator tube
x ao u163
y
- Not used
I Jog dial pulse input from the rotary encoder (A phase input) (for TONE)
i
I Jog dial pulse input from the rotary encoder (B phase input) (for TONE)
I Jog dial pulse input from the rotary encoder (A phase input) (for INPUT SELECTOR)
I Jog dial pulse input from the rotary encoder (B phase input) (for INPUT SELECTOR)
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2 9
8
Description
"L": AC off
"H": relay on
Q Q
3 6 7 1 3 1 5
"H": headphone plug is inserted
"H": relay on
"H": relay on
"H": relay on
"H": relay on
"H": relay on
Not used
Not used
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
"H": relay on
m
"H": muting on
9 9
9 9