Sony STR-DA9000ES Service Manual page 139

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• AMP BOARD IC1800 MB89537APFM-G-461-BNDE1 (OUTPUT CONTROLLER)
Pin No. Pin Name
1 4/8 IN
2 MOD2
3 TEMP
4 to 10 —
11 AVCC
12 AVR
13 AVSS
14 U-MAIN
15 AC-OFF
16 to 18 —
19 RST
20, 21 MOD0, MOD1
22 X0
23 X1
24 VSS
25 VOL-CLK
26 VOL-DATA
27 VOL-LAT
28 DAC-MUTE
29, 30 (P23), (P22)
TE
31 4I-LIMIT
L 13942296513
32 DC
33 I LIMIT
34 4/8OUT
35 DIAG
36 EN
37 MODE1
38 INIT
39 NSP-MUTE
40 (P10)
41 —
42 U-SUB1
43 LAT4
44 LAT3
45 LAT2
46 LAT1
47 F-B RY
48 SR-A RY
49 NC
50 F-A RY
51 SHIFT
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52 SO1/SCDT
53 SI1/SR-B RY
54 C RY
.
55 SB RY
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I/O
I Current detection signal input from the protect circuit
I Not used
I Temperature detection signal input from the thermistor
— Not used
— Power supply terminal (+3.3V)
I Reference voltage (+3.3V) input terminal
— Ground terminal
I Clock signal input from main system controller
I AC off detection signal input terminal "L": AC off
— Not used
I System reset signal input from the main system controller "L": reset
I Setting terminal for memory access mode Normally: fixed at "L"
I System clock input terminal (8 MHz)
O System clock output terminal (8 MHz)
— Ground terminal
O Serial data transfer clock signal output to the data decoder
O Serial data output to the data decoder
O Serial data latch pulse signal output to the data decoder
O Muting on/off control signal output terminal "H": muting on
— Not used
I IMPEDANCE SELECTOR switch input terminal "L": 4Ω, "H": 8Ω
I DC off detection signal input terminal
I Current detection signal input terminal Not used
O Relay drive signal (for speaker impedance 4Ω/8Ω selection) output terminal
I Temperature detection signal input from the power amplifier
O Enable signal output terminal
O PCM/DSD data selection signal output terminal Not used
O Initialize signal output to the PCM/PWM processor
O Muting on/off control signal output terminal Not used
— Not used
— Not used
I Serial data input from main system controller
O Serial data latch pulse signal (for surround back) output to the PCM/PWM processor
O Serial data latch pulse signal (for surround) output to the PCM/PWM processor
O Serial data latch pulse signal (for center) output to the PCM/PWM processor
O Serial data latch pulse signal (for front) output to the PCM/PWM processor
O Relay drive signal (for front speaker B) output terminal
O Relay drive signal (for surround speaker A) output terminal
— Not used
O Relay drive signal (for front speaker A) output terminal
O Serial data transfer clock signal output to the PCM/PWM processor
O Serial data output to the PCM/PWM processor
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O Relay drive signal (for surround speaker B) output terminal
y
O Relay drive signal (for center speaker) output terminal
i
O Relay drive signal (for surround back speaker) output terminal
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Description
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