Sony STR-DB830 Service Manual - Page 30

Description, Pin Name, Pin No. - protector

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Page 30 highlights

Pin No. Pin Name I/O 51 SLVDTA/REQ O 52 DISPCLK I 53 N.C I 54 VCC - 55 S.LAT O 56 S.DATA O 57 S.CLK O 58 DATA IN I 59 AUSTOP I 60 STEREO I 61 N.C I 62 N.C I 63 VSS - 64 N.C I 65 TH I 66 PROTEC I 67 STOP I 68 N.C I 69 N.C I 70 N.C I 71 N.C I 72 VIDEO(SW4) O 73 X1A - 74 X0A - 75 VIDEO(SW3) O 76 VIDEO(SW2) O 77 VIDEO(SW1) O 78 DIGITAL 1/4 I 79 TAPE NO/ YES I 80 VIDEO3 NO/ YES I 81 DTS NO/ YES I 82 ACMUTE O 83 96K NO/YES I 84 T.MUTE O 85 S.MUTE O 86 HSTX - 87 MD2 - 88 MD1 - 89 MD0 - 90 REST I 91 VSS - 92 XO - 93 XI - 94 VCC - 95 PO0 I 96 PO1 I 97 RY-4/B O 98 RY-PRE O 99 RY-FRONT/A O 100 RY-FRONT/B O Description Slave data/request (Connected to MCU U.SREQ) Display clock (Connected to MCU U.CLOCK) Not used (Connected to ground) Power supply +5 V To tuner latch To tuner data To tuner clock PLL data in Auto stop input Stereo input Not used (Connected to ground) Not used (Connected to ground) Ground (Connected to ground) Not used (Connected to ground) TH Protector input Protector input AC power check Not used (Connected to ground) Not used (Connected to ground) Not used (Connected to ground) Not used (Connected to ground) Video select SW4 Not used Not used Video select SW3 Video select SW2 Video select SW1 Digital function Tape NO/YES input I VIDEO3 NO/ YES input DTS NO/ YES input Power amp mute ON/OFF output 96K NO/YES input Tuner muting Surround muting (Connected to ground) Hardware standby (Connected to power supply +5 V) MD2 (To MCU MD2) MD1 (Connect to power supply) MD0 (To MCU MD0) Reset (Connected to MB90553 U.RESET) Ground (Connected to ground) External ceramic filter 16MHz is connected to this terminal External ceramic filter 16MHz is connected to this terminal Power supply +5V Flash memory rewrite (Connected to ground) Flash memory rewrite (Connected to ground) 4/8 relay Pre relay Front speaker A relay Front speaker B relay - 52 -

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I/O
Description
Pin Name
SLVDTA/REQ
DISPCLK
N.C
VCC
S.LAT
S.DATA
S.CLK
DATA IN
AUSTOP
STEREO
N.C
N.C
VSS
N.C
TH
PROTEC
STOP
N.C
N.C
N.C
N.C
VIDEO(SW4)
X1A
X0A
VIDEO(SW3)
VIDEO(SW2)
VIDEO(SW1)
DIGITAL 1/4
TAPE NO/ YES
VIDEO3 NO/ YES
DTS NO/ YES
ACMUTE
96K NO/YES
T.MUTE
S.MUTE
HSTX
MD2
MD1
MD0
REST
VSS
XO
XI
VCC
PO0
PO1
RY-4/B
RY-PRE
RY-FRONT/A
RY-FRONT/B
O
I
I
—
O
O
O
I
I
I
I
I
—
I
I
I
I
I
I
I
I
O
—
—
O
O
O
I
I
I
I
O
I
O
O
—
—
—
—
I
—
—
—
—
I
I
O
O
O
O
Slave data/request (Connected to MCU U.SREQ)
Display clock (Connected to MCU U.CLOCK)
Not used
(Connected to ground)
Power supply +5 V
To tuner
latch
To tuner
data
To tuner
clock
PLL data in
Auto stop input
Stereo input
Not used
(Connected to ground)
Not used
(Connected to ground)
Ground
(Connected to ground)
Not used
(Connected to ground)
TH Protector input
Protector input
AC power check
Not used
(Connected to ground)
Not used
(Connected to ground)
Not used
(Connected to ground)
Not used
(Connected to ground)
Video select SW4
Not used
Not used
Video select SW3
Video select SW2
Video select SW1
Digital function
Tape NO/YES input
I VIDEO3 NO/ YES input
DTS NO/ YES input
Power amp mute ON/OFF output
96K NO/YES input
Tuner muting
Surround muting (Connected to ground)
Hardware standby
(Connected to power supply +5 V)
MD2 (To MCU MD2)
MD1 (Connect to power supply)
MD0 (To MCU MD0)
Reset (Connected to MB90553 U.RESET)
Ground (Connected to ground)
External ceramic filter 16MHz is connected to this terminal
External ceramic filter 16MHz is connected to this terminal
Power supply +5V
Flash memory rewrite (Connected to ground)
Flash memory rewrite (Connected to ground)
4/8 relay
Pre relay
Front speaker A relay
Front speaker B relay
Pin No.