DVR-6100/6100K
8
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Description
16
DSP A. BOOST
O
DSP auto boot.
17
H/P CHK
I
Detection pin of headphones jack.
18
CS8415A-CE
O
DIR IC (IC39) chip enable.
19
EMPHASIS
O
CS4228 DAC IC emphasis ON/OFF
20
TUNED
I
Tuned signal input for tuner.
21
DSP INTREQ
O
DSP INT request.
22
4094CE
O
4049 (IC81)chip enable.
23
CS49326 CE
O
CS49326 DSP IC (IC33) chip enable.
24
CS4228 CE
O
CS4228 DAC IC (IC31) chip enable.
25
DSP CLK
O
CS49326 DSP IC (IC33) clock output.
26
CS49326 DATA IN
I
CS49326 DSP IC (IC33) data input.
27
DSP DA OUT
O
CS49326 DSP IC (IC33) data output.
28
VREF
I
A/D reference voltage input.
29
PROTECT
I
AMP protection input.
30
KEY IN
I
A/D key input.
31
EEPROM DATA
I/O
EEPROM (IC52) data output.
32
KEY2 IN
I
A/D key input.
33
8415 DA IN
I
CS8415 DIR IC (IC39) data input.
34
DVD OPTION
I
Setting pin for the destination.
35
PLL DATA IN
I
PLL data input.
36
STEP OPTION
I
Setting pin for tuner destination.
37
VSS(G)
I
Analog ground.
38
RST
I
Reset signal input.
39
EXTAL
I
Crystal resonator (10MHz) connection.
40
XTAL
O
Crystal resonator (10MHz) connection.
41
GND
-
Digital ground.
42
NC
O
Unused.
43
GND
-
GND
44
VDD
I
Digital ground.
45
VFDP
I
Power supply for VFDP.
46
STANDBY
O
Control pin for power relay on/off.
47
SPK RELAY
O
Control pin for speaker relay on/off.
48
SUB ON/OFF
O
Gain control for sub woofer.
49
CS8415 RST
O
CS8415 (IC39) reset signal output.
50
PLL CE
O
PLL chip enable.
51
PLL CLK
O
PLL clock output.
52
PLL D OUT
O
PLL data output.
53
A CLK
O
Common clock (LC7821,BU4094) output.
54
A DATA
O
Common data (LC7821,BU4094) output.
55
EEPROM CLK
O
EEPROM (IC52) clock output.
56~59
VIDEO (SW1~SW4)
O
Control pin for video.
60
4228 RST
O
CS4228 (IC31) reset signal output.
61
LC7821 CE
O
LC7821(tuner pack) chip enable.
62
SM7346 CE
O
Volume IC (Main IC11) chip enable.
63
T MUTE
O
Tuner mute control.
64
S MUTE
O
Mute control pin for surround signal
65
C MUTE
O
Mute control pin for center signal.
66
F MUTE
O
Mute control pin for front signal.
67
W MUTE
O
Mute control pin for sub woofer signal.
68
CS49326 RST
O
CS49326 DSP IC (IC5) reset signal output.
69~71
DSP (A15~A17)
O
DSP ROM address (SEL 1~3).
72~88
SEG (1~17)
O
FIP segment output.
89
VDD
-
Digital power supply.
90,91
SEG18,19
O
FIP segment output.
92-100
GRID (11~3)
O
FIP Grid output.
