Circuit Boards Location - Sony STR-DE897 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
Pin No. Pin Name I/O
52 RDS_CLK I Not used (Fixed at L)
53 RDS_DATA I Not used (Fixed at L)
54 SIRCS I SIRCS signal input
55 HP_DETECT I Headphones detection signal input
56 POWER_KEY I Power key detection signal input
57 FL_LAT O Latch signal output for FL DISPLAY DRIVER IC
58 POWER_RY O Power relay driver control signal output
59 FL_DATA O Serial data output for FL DISPLAY DRIVER IC
60 FL_CLK O Clock signal output for FL DISPLAY DRIVER IC
61 PROTECTOR I Protector detection signal input
62 HP_RY O Headphones relay driver control signal output
63 FUSE_DETECT I Fuse open detection signal input
64 A1_OUT O CTRL A1 II signal output
65 A1_IN I CTRL A1 II signal input
66 FRONT_RY O Front speaker A relay driver control signal output
67 SP_B_RY O Front speaker B relay driver control signal output
68 C/SB_RY O Center/Surround back speakers relay driver control signal output
69 REAR_RY O Surround speaker relay driver control signal output
70 SW_RY O Sub woofer relay driver control signal output
71 NC — Not used (Fixed at L)
72 BRIDGEABLE_RY O Bridgeable relay driver control signal output
73 D0 I Tuner serial data input
74 SLATCH O Tuner latch signal output
75 TUNED I Tuned signal detection input
T E
L 1 3 9 4 2 2 9 6 5 1 3
76 STEREO I Stereo signal detection input
77 RSTX I Reset signal input
78 MUTE O Tuner mute signal output
79 X1A — Not used (Open)
80 X0A — Not used (Connect to VSS)
81 VSS — Ground
82 X0 — Clock signal input (16 MHz)
83 X1 — Clock signal output (16 MHz)
84 VCC3 — Power supply pin (+3.3 V)
85 GROUPING_SW O Surround back switch signal output
86 to 89 SW1 to SW4 O Video select signal output
90 SELECT2 O Digital input select 2 signal output
91 SELECT1 O Digital input select 1 signal output
92 BST_SEL O 96/24 signal output for DSP IC
93 XMODE O Xmode signal output for DIR IC
94 CKSEL1 O Clock select signal output for DIR IC
95 CLK O Data clock signal output for DIR IC
96 CE O Latch signal output for DIR IC
97 DI O Data output for DIR IC
98 DO I Data input from DIR IC
99 ERROR I Error detection signal input from DIR IC
100 XSTATE I Xstate signal input from DIR IC
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Pin Description
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8 9

4-2. CIRCUIT BOARDS LOCATION

GUIDE1 board
GUIDE2 board
POWER board
TUNING board
HP board
V3 board
Q Q
3 7 6 3 1 5 1
c o
.
15 15
2 4 2
9 8
AC SEL board
SPEAKER board
(E2 model only)
STBY board
VIDEO board
UP CONVERT board
(US, Canadian model only)
S-VIDEO board
DISPLAY board
MAIN board
VOLUME board
5 0 8 9 2 4 9 8
m
STR-DE897
9 9
VIDEO (AU) board
DIGITAL board
2 9 9