Teac DV-H500 Service Manual page 15

IC BLOCK DIAGRAMS & PIN DESCRIPTION
1. IC25 (STi5505
PIN DESCRIPTION
Pin
SUPPLIES
1, 18, 34, 67, 75, 86, 95,
102, 110, 119, 130, 139,
149, 159, 171, 184, 208
4, 19, 35, 68, 77, 87, 96,
103, 111, 120, 131, 140,
150, 160, 172, 185, 200
53, 60
54, 61
48
49
50
FRONT-END INTERFACE
36
40
37
38
39
42
VIDEO OUTPUT INTERFACE
57
56
55
63
64
62
59
66
58
65
117
118
51
52
AC-3/MPEG1-2 AUDIO OUTPUT INTERFACE
43
44
24
21
45
46
47
EXTERNAL INTERRUPTS
23, 25
DVD BACKEND-DECODER)
Name Type
V
DD
GND
V
DDA
V
SSA
V
DDA_PCM
V_REF_PCM
V
SSA_PCM
B_DATA I
B_WCLK I/O
B_BCLK I
B_FLAG I
B_SYNC I
B_V4 I
R_OUT O
G_OUT O
B_OUT O
C_OUT O
CV_OUT O
Y_OUT O
I_REF_DAC_RGB I
I_REF_DAC_YCC I
V_REF_DAC_RGB I
V_REF_DAC_YCC I
OSD_ACTIVE I/O
PIXCLK_27MHz I
I/O
HSYNC
ODD/EVEN I/O
SCLK O
PCM_OUT0 O
PCM_OUT1 O
PCM_OUT2 O
PCM_CLK I/O
LRCLK O
SPDIF_OUT I/O
IRQ[0:1] I
Function
Power Supply (3.3 V)
Ground
Analog Power Supply for DENC D/A Converters (3.3 V)
Analog Ground for DENC D/A Converters
Analog Power Supply for PLL PCM (3.3 V)
Analog Reference for PLL PCM (3.3 V)
Analog Ground for PLL PCM
2
I S Data (DVD) or PARA_DATA[2] (DVD//) or Link Data
(DVB/DSS)
2
I S Word Clock or NRSS_CLK (DVB/DSS)
2
I S Bit Clock (DVD) or PARA_DATA[3] (DVD//) or Link
Bit Clock (DVB/DSS)
Error Flag (DVD) or PARA_DATA [4] (DVD//) or Link
Sync (DVB/DSS)
Sector / Abs Time Sync (DVD) or PARA_DATA[5]
(DVD//) or Link Not Valid (DVB/DSS)
Versatile Input Pin (Subcode Input) or NRSS_IN
(DVB/DSS)
Red Output
Green Output
Blue Output
Chroma Output
Composite Video Output
Luma Output
DAC Current Reference
DAC Current Reference
DAC Voltage Reference
DAC Voltage Reference
OSD Active
System Clock Input
Horizontal Sync
Vertical Sync
Serial Bit Clock
Audio Serial Output Data 0
Audio Serial Output Data 1
Audio Serial Output Data 2
PCM Clock In or Out
Left/Right Clock
S/PDIF Output (Tristated after reset)
External Interrupts
2-15