Pioneer VSX-D507S Service Manual - Page 4
Vsx-d488, 2 Schematic Diagram - parts
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4 3 2 1 4 D D9 - D17 : CL-230HR-CD × 9 R8 - R16 : 240Ω × 9 R8 R9 R10 D9 D10 D11 R11 R12 R13 D12 D13 D14 R14 R15 R16 D15 D16 D17 D1 SE303A-C R1 1.8Ω R2 220Ω Q1 2SC3265 Q2 Q3 Q4 Q2 - Q4 : RN4605 × 3 C3 1/50 X1 4.0MHz R5 100kΩ P0D3 P0D2 P0D1 P0E3 P0E2 P0E0 R18 0 T1 R6 100kΩ IC1 AZC7284 1 P0D2 2 P0D3 3 INT 4 P0E0 5 P0E1 6 P0E2 7 P0E3 8 REM 9 VDD 10 XOUT 11 XIN 12 GND 13 RESET 14 WDOUT D2 RLS-73 T2 C4 1/50 C P0D1 28 P0D0 27 P0C3 26 P0C2 25 P0C1 24 P0C0 23 P0B3 22 P0B2 21 P0B1 20 P0B0 19 P0A3 18 P0A2 17 P0A1 16 P0A0 15 B R7 100kΩ 8 16 24 32 40 7 15 23 31 39 6 14 22 30 38 5 13 21 29 37 4 12 20 28 36 SWITCHES K01 : AMP (POWER) K02 : TV (POWER) K03 : MUTING K04 : POWER K05 : TV FUNC. K06 : VOL.K07 : VOL.+ K08 : K09 : K10 : K11 : K12 : ENT. K13 : CHK14 : CH+ K15 : DVD K16 : LD/SAT K17 : CD K18 : VCR1 K19 : TUNER K20 : TV CONTROL K21 : No key K22 : SURROUND K23 : No key K24 : 1 K25 : 2 K26 : 3 K27 : 4 K28 : 5 K29 : 6 K30 : 7 K31 : 8 K32 : 9 K33 : 10 (0) K34 : 11 (+10) K35 : 12 (DISC) K36 : No key K37 : FUNCTION K38 : MODE CHECK K39 : No key K40 : COMMANDER SET UP R3 47Ω 3.0V C1 220/6.3 C2 47/10 3 11 19 27 35 2 10 18 26 34 1 9 17 25 33 T3 T4 KEY No. T5 No. 2.2 SCHEMATIC DIAGRAM Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST" A VSX-D488 4 3 2 1