Pioneer DVR-104 Service Manual page 61

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No. Pin Name
21 G2
22 H2
23 RREF
24 WLPF
25 GND2
26 PDIN
27 PDM
28 VCC2
29 RLD
30 RLDM
31 ELD
32 ELDM
33 EREF
34 WLD
35 WLDM
36 WREF
37 PELD
38 CREG
39 PDD
40 LDD
41 REFI
42 REFO2
43 CDAC
44 VCC3
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45 HPAD
46 HPBC
47 ADO
48 BCO
49 CAD
50 CBC
51 TOKIN
52 GND3
53 TEC
54 TECIN
55 TE2
56 TE
57 SBAD
58 VCC4
59 FE
60 PPALL
61 CWAGC
62 CWHP
63 AWOBBLE
64 WOBBLE
65 SHSP
66 SHMP
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67 SHAPCR
68 SHAPCE
69 SHAPCW
70 GND4 .
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I/O
I Sub beam signal (G2) input
I Sub beam signal (H2) input
−
ALPC smoothing capacitor connection pin for Read
−
ALPC LPF capacitor connection pin for Write/Erase
−
Analog GND
I Laser monitor current input pin for CD-R/RW
I Laser monitor current (-) input pin for CD-R/RW
−
Analog power supply
O Laser driver control output for Read
I Laser driver control amp. (-) for Read
O Laser driver control output for Erase
I Laser driver control amp. (-) for Erase
−
ALPC smoothing capacitor connection pin for Erase
O Laser driver control output for Write
I Laser driver control amp. (-) for Write
−
ALPC smoothing capacitor connection pin for Write
O Peak power output pin
O Regulator voltage (2.5V) output pin (for monitor)
I Laser monitor voltage input for DVD
O Laser driver control output for DVD
I DSP power supply voltage input (2.5V)
O Reference voltage output for DSP (at REFI pin is 2.5V: 1.5V output)
O DAC reference voltage output (for monitor)
−
Analog power supply
−
Capacitor connection pin for WOBBLE circuit and HPF bandpass setting
−
Capacitor connection pin for WOBBLE circuit and HPF bandpass setting
O (A+D) signal output
O (B+C) signal output
−
Capacitor connection pin for WOBBLE circuit and AGC response speed setting
−
Capacitor connection pin for WOBBLE circuit and AGC response speed setting
I TOK and OWP detecting signal input
−
Analog GND
O Tracking zerocross signal output
I Tracking zerocross comparator signal input
O Tracking error signal output (bandpass variable)
O Tracking error signal output (fc=50kHz (Typ.) fixed)
O Sub-beam signal total output ( (E+F+G+H) signal)
−
Digital power supply
O Focus error signal output
O Main side push-pull signal output ( (A+D-B-C) + (F+H-E-G) signal)
−
Capacitor connection pin for WOBBLE circuit and AGC response speed setting
−
Capacitor connection pin for WOBBLE circuit and HPF bandpass setting
O WOBBLE signal output (analog signal)
O WOBBLE signal output (digital signal)
I Sample and hold pulse input for sub-beam signal
I Sample and hold pulse input for main-beam signal
I Sample and hold pulse input for Read ALPC
I Sample and hold pulse input for Erase ALPC
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I Sample and hold pulse input for Write ALPC
−
i Digital GND
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Pin Function
Q Q
3 6 7 1 3 1 5
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DVR-104
7
9 4 2 8
0 5 8 2 9 9 4 2 8
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8
9 9
A
B
C
9 9
D
E
F
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