Sanyo DC-BM300, Руководство по обслуживанию

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IC BLOCK DIAGRAM & DESCRIPTION
IC601 LC866540A-50C9 (Micro Processor)
NO. PIN NAME NAME I/O DESCRIPTION NO. PIN NAME NAME I/O DESCRIPTION
1 P16/BUZ JOG+ I Input JogDial 51 VP VP FL drive output power
2 P17/PWM0 JOG- I Input JogDial 52 S20/PC4 O FL Segment output (P13)
3 P30 D_CLK O Serial clock output for Tu/Vol_Func IC 53 S21/PC5 O FL Segment output (P12)
4 P31 D_OUT O Serial date output for Tu/Vol_Func IC 54 S22/PC6 O FL Segment output (P11)
5 P32 O Open 55 S23/PC7 O FL Segment output (P10)
6 P33 O Open 56 S24/PD0 O FL Segment output (P9)
7 P34 O Open 57 S25/PD1 O FL Segment output (P8)
8 P35 VF_CE O Serial latch output for Vol_Func IC 58 S26/PD2 O FL Segment output (P7)
9 P36 TU_CE O Serial latch output for Tu IC 59 S27/PD3 O FL Segment output (P6)
10 P37 TU_D1 I Serial date input for Tu IC 60 S28/PD4 O FL Segment output (P5)
11 P70/INT0 PROTECTOR I Protect Set (High; Irregular) 61 S29/PD5 O FL Segment output (P4)
12 RES RESET I System Reset pin 62 S30/PD6 O FL Segment output (P3)
13 XT1/P74 XT1 I Sub clock junction pin 63 S31/PD7 O FL Segment output (P2)
14 XT2/P75 XT2 O Sub clock junction pin 64 S32/PE0 O FL Segment output (P1)
15 XSS1 VSS 65 S33/PE1 O Open
16 CF1 CF1 I Main clock junction pin 66 S34/PE2 O Open
17 CF2 CF2 O Main clock junction pin 67 S35/PE3 SEL_POE_RY I
Power Relay Function Select (High; None)
18 VDD1 VDD 68 S36/PE4 V_CHK I Detection for Power Failure (Low; Power Failure)
19 P80/AN0 KEY0 I 69 S37/PE5 C2F I DSP C2F input
20 P81/AN1 KEY1 I 70 S38/PE6 REEL I
Reel Rotor Signal Input
21 P82/AN2 SW0 I CD; Limit SW, Open SW, Close SW 71 S39/PE7 I Connect to GND
22 P83/AN3 I Connect to GND 72 VDD4 VDD Power(+5V)
23 P84/AN4 I Connect to GND 73 S40/PF0 G_REVS I
Failure record SW (Tape B side) Input
24 P85/AN5 I Connect to GND 74 S41/PF1 G_FWD I
Failure record SW (Tape A side) Input
25 P86/AN6 I Connect to GND 75 S42/PF2 PACK I Tape Pack Check Input
26 P87/AN7 I Connect to GND 76 S43/PF3 TAPE_INI I Tape Deck Initialize
27 P71/INT1 WRQ I CD DSP interface(sub Q Request) 77 S44/PF4 POW_RY O Power Relay Control Output (High; Relay On)
28 P72/INT2/T0IN RDS IN I Serial date input for RDS IC 78 S45/PF5 SP_RY O Speaker Relay Control Output (High; Relay On)
29 P73/INT3/T0IN IR I Remote control input 79 S46/PF6 LED O Light for CD
30 S0/T0 O Open 80 S47/PF7 Moter O Tape Moter Output (High; Moter On)
31 S1/T1 O Open 81 S48/PG0 Tape Play PL O Tape Play Plunger Output (High; Plunger On)
32 S2/T2 O Open 82 S49/PG1 P_CON O Power control (High; Power On)
33 S3/T3 O Open 83 S50/PG2 OSC O Control for Oscillation of Tape On/Off (High; Oscillation)
34 S4/T4 O Open 84 S51/PG3 PRE_MUTE O Pre Amp Mute Output (High; Mute On)
35 S5/T5 O Open 85 P00 MAIN_MUTE O Power Amp Mute Output (Low; Mute on)
36 S6/T6 O FL digit output (10G) 86 P01 SURROUND O Surround Output Open
37 S7/T7 O FL digit output (9G) 87 P02 DSP_RESET O Reset Signal for CD DSP
38 S8/T8 O FL digit output (8G) 88 P03 CLK_SHIFT O Main clock shift
39 S9/T9 O FL digit output (7G) 89 VSS2 VSS Power (GND)
40 S10/T10 O FL digit output (6G) 90 VDD2 VDD Power (+5V)
41 S11/T11 O FL digit output (5G) 91 P04 BEAT O Beat CCL Control
42 S12/T12 O FL digit output (4G) 92 P05 R_Mute O Tape Recording Mute (High; Mute On)
43 S13/T13 O FL digit output (3G) 93 P06 TRY_OPEN O Trey Open Control Output
44 S14/T14 O FL digit output (2G) 94 P07 TRY_CLOSE O TREY Close Control Output
45 S15/T15 O FL digit output (1G) 95 P10/S00 COIN O CD_DSP interface(command data output)
46 VDD3 VDD 96 P11/S10/SB0 SQOUT I CD_DSP interface(SubQ data input)
47 S16/PC0 O FL Segment output (P17) 97 P12/SCK0 CQCK O CD_DSP interface(clock)
48 S17/PC1 O FL Segment output (P16) 98 P13/S01 VD_GND O GND control output for micon power check
49 S18/PC2 O FL Segment output (P15) 99 P14/S11/SB1 DRF I DRF signal input
50 S19/PC3 O FL Segment output (P14) 100 P15/SCK1 RWC O CD_DSP interface(command latch)
1
4 5 2 3
IC443 BA7755A (Head Switch)
5
7
9
11
1 6
2
3
10
8
4
MUTE/
ST-BY
IN (L)
IN (R)
IN- (L)
IN- (R)
GND
OUT (L)
OUT (R)
-Vs
+Vs
IC442 TDA7265 (Stereo Amplifier)